Merge pull request #6809 from minrk/rm-contents-path-name

remove separate 'path' and 'name' from ContentsManager

IPython/html/tests/test_paths.py

@@ -0,0 +1,61 b''
+
+import re
+import nose.tools as nt
+
+from IPython.html.base.handlers import path_regex, notebook_path_regex
+
+try: # py3
+    assert_regex = nt.assert_regex
+    assert_not_regex = nt.assert_not_regex
+except AttributeError: # py2
+    assert_regex = nt.assert_regexp_matches
+    assert_not_regex = nt.assert_not_regexp_matches
+
+
+# build regexps that tornado uses:
+path_pat = re.compile('^' + '/x%s' % path_regex + '$')
+nb_path_pat = re.compile('^' + '/y%s' % notebook_path_regex + '$')
+
+def test_path_regex():
+    for path in (
+        '/x',
+        '/x/',
+        '/x/foo',
+        '/x/foo.ipynb',
+        '/x/foo/bar',
+        '/x/foo/bar.txt',
+    ):
+        assert_regex(path, path_pat)
+
+def test_path_regex_bad():
+    for path in (
+        '/xfoo',
+        '/xfoo/',
+        '/xfoo/bar',
+        '/xfoo/bar/',
+        '/x/foo/bar/',
+        '/x//foo',
+        '/y',
+        '/y/x/foo',
+    ):
+        assert_not_regex(path, path_pat)
+
+def test_notebook_path_regex():
+    for path in (
+        '/y/asdf.ipynb',
+        '/y/foo/bar.ipynb',
+        '/y/a/b/c/d/e.ipynb',
+    ):
+        assert_regex(path, nb_path_pat)
+
+def test_notebook_path_regex_bad():
+    for path in (
+        '/y',
+        '/y/',
+        '/y/.ipynb',
+        '/y/foo/.ipynb',
+        '/y/foo/bar',
+        '/yfoo.ipynb',
+        '/yfoo/bar.ipynb',
+    ):
+        assert_not_regex(path, nb_path_pat)

IPython/html/base/handlers.py

@@ -298,7 +298,7 b' class AuthenticatedFileHandler(IPythonHandler, web.StaticFileHandler):'
     @web.authenticated
     def get(self, path):
         if os.path.splitext(path)[1] == '.ipynb':
-            name = os.path.basename(path)
+            name = path.rsplit('/', 1)[-1]
             self.set_header('Content-Type', 'application/json')
             self.set_header('Content-Disposition','attachment; filename="%s"' % name)
         
@@ -418,43 +418,42 b' class ApiVersionHandler(IPythonHandler):'
         # not authenticated, so give as few info as possible
         self.finish(json.dumps({"version":IPython.__version__}))
 
+
 class TrailingSlashHandler(web.RequestHandler):
     """Simple redirect handler that strips trailing slashes
     
     This should be the first, highest priority handler.
     """
     
-    SUPPORTED_METHODS = ['GET']
-    
     def get(self):
         self.redirect(self.request.uri.rstrip('/'))
+    
+    post = put = get
 
 
 class FilesRedirectHandler(IPythonHandler):
     """Handler for redirecting relative URLs to the /files/ handler"""
     def get(self, path=''):
         cm = self.contents_manager
-        if cm.path_exists(path):
+        if cm.dir_exists(path):
             # it's a *directory*, redirect to /tree
             url = url_path_join(self.base_url, 'tree', path)
         else:
             orig_path = path
             # otherwise, redirect to /files
             parts = path.split('/')
-            path = '/'.join(parts[:-1])
-            name = parts[-1]
 
-            if not cm.file_exists(name=name, path=path) and 'files' in parts:
+            if not cm.file_exists(path=path) and 'files' in parts:
                 # redirect without files/ iff it would 404
                 # this preserves pre-2.0-style 'files/' links
                 self.log.warn("Deprecated files/ URL: %s", orig_path)
                 parts.remove('files')
-                path = '/'.join(parts[:-1])
+                path = '/'.join(parts)
 
-            if not cm.file_exists(name=name, path=path):
+            if not cm.file_exists(path=path):
                 raise web.HTTPError(404)
 
-            url = url_path_join(self.base_url, 'files', path, name)
+            url = url_path_join(self.base_url, 'files', path)
         url = url_escape(url)
         self.log.debug("Redirecting %s to %s", self.request.path, url)
         self.redirect(url)
@@ -464,11 +463,9 b' class FilesRedirectHandler(IPythonHandler):'
 # URL pattern fragments for re-use
 #-----------------------------------------------------------------------------
 
-path_regex = r"(?P<path>(?:/.*)*)"
-notebook_name_regex = r"(?P<name>[^/]+\.ipynb)"
-notebook_path_regex = "%s/%s" % (path_regex, notebook_name_regex)
-file_name_regex = r"(?P<name>[^/]+)"
-file_path_regex = "%s/%s" % (path_regex, file_name_regex)
+# path matches any number of `/foo[/bar...]` or just `/` or ''
+path_regex = r"(?P<path>(?:(?:/[^/]+)+|/?))"
+notebook_path_regex = r"(?P<path>(?:/[^/]+)+\.ipynb)"
 
 #-----------------------------------------------------------------------------
 # URL to handler mappings

IPython/html/files/handlers.py

@@ -17,13 +17,18 b' class FilesHandler(IPythonHandler):'
 
     @web.authenticated
     def get(self, path):
-        cm = self.settings['contents_manager']
+        cm = self.contents_manager
         if cm.is_hidden(path):
             self.log.info("Refusing to serve hidden file, via 404 Error")
             raise web.HTTPError(404)
-
-        path, name = os.path.split(path)
-        model = cm.get_model(name, path)
+        
+        path = path.strip('/')
+        if '/' in path:
+            _, name = path.rsplit('/', 1)
+        else:
+            name = path
+        
+        model = cm.get_model(path)
         
         if self.get_argument("download", False):
             self.set_header('Content-Disposition','attachment; filename="%s"' % name)

IPython/html/nbconvert/handlers.py

@@ -76,12 +76,13 b' class NbconvertFileHandler(IPythonHandler):'
     SUPPORTED_METHODS = ('GET',)
     
     @web.authenticated
-    def get(self, format, path='', name=None):
+    def get(self, format, path):
         
         exporter = get_exporter(format, config=self.config, log=self.log)
         
         path = path.strip('/')
-        model = self.contents_manager.get_model(name=name, path=path)
+        model = self.contents_manager.get_model(path=path)
+        name = model['name']
 
         self.set_header('Last-Modified', model['last_modified'])
         
@@ -109,7 +110,7 b' class NbconvertFileHandler(IPythonHandler):'
 class NbconvertPostHandler(IPythonHandler):
     SUPPORTED_METHODS = ('POST',)
 
-    @web.authenticated 
+    @web.authenticated
     def post(self, format):
         exporter = get_exporter(format, config=self.config)
         

IPython/html/notebook/handlers.py

@@ -17,18 +17,16 b' from ..utils import url_escape'
 class NotebookHandler(IPythonHandler):
 
     @web.authenticated
-    def get(self, path='', name=None):
+    def get(self, path):
         """get renders the notebook template if a name is given, or 
         redirects to the '/files/' handler if the name is not given."""
         path = path.strip('/')
         cm = self.contents_manager
-        if name is None:
-            raise web.HTTPError(500, "This shouldn't be accessible: %s" % self.request.uri)
         
         # a .ipynb filename was given
-        if not cm.file_exists(name, path):
-            raise web.HTTPError(404, u'Notebook does not exist: %s/%s' % (path, name))
-        name = url_escape(name)
+        if not cm.file_exists(path):
+            raise web.HTTPError(404, u'Notebook does not exist: %s' % path)
+        name = url_escape(path.rsplit('/', 1)[-1])
         path = url_escape(path)
         self.write(self.render_template('notebook.html',
             notebook_path=path,

IPython/html/notebookapp.py

@@ -187,9 +187,10 b' class NotebookWebApplication(web.Application):'
         return settings
 
     def init_handlers(self, settings):
-        # Load the (URL pattern, handler) tuples for each component.
+        """Load the (URL pattern, handler) tuples for each component."""
+        
+        # Order matters. The first handler to match the URL will handle the request.
         handlers = []
-        handlers.extend(load_handlers('base.handlers'))
         handlers.extend(load_handlers('tree.handlers'))
         handlers.extend(load_handlers('auth.login'))
         handlers.extend(load_handlers('auth.logout'))
@@ -206,6 +207,8 b' class NotebookWebApplication(web.Application):'
         handlers.append(
             (r"/nbextensions/(.*)", FileFindHandler, {'path' : settings['nbextensions_path']}),
         )
+        # register base handlers last
+        handlers.extend(load_handlers('base.handlers'))
         # set the URL that will be redirected from `/`
         handlers.append(
             (r'/?', web.RedirectHandler, {

IPython/html/services/contents/filemanager.py

@@ -61,27 +61,22 b' class FileContentsManager(ContentsManager):'
         except OSError as e:
             self.log.debug("copystat on %s failed", dest, exc_info=True)
 
-    def _get_os_path(self, name=None, path=''):
-        """Given a filename and API path, return its file system
-        path.
+    def _get_os_path(self, path):
+        """Given an API path, return its file system path.
 
         Parameters
         ----------
-        name : string
-            A filename
         path : string
             The relative API path to the named file.
 
         Returns
         -------
         path : string
-            API path to be evaluated relative to root_dir.
+            Native, absolute OS path to for a file.
         """
-        if name is not None:
-            path = url_path_join(path, name)
         return to_os_path(path, self.root_dir)
 
-    def path_exists(self, path):
+    def dir_exists(self, path):
         """Does the API-style path refer to an extant directory?
 
         API-style wrapper for os.path.isdir
@@ -112,25 +107,22 b' class FileContentsManager(ContentsManager):'
 
         Returns
         -------
-        exists : bool
-            Whether the path is hidden.
-
+        hidden : bool
+            Whether the path exists and is hidden.
         """
         path = path.strip('/')
         os_path = self._get_os_path(path=path)
         return is_hidden(os_path, self.root_dir)
 
-    def file_exists(self, name, path=''):
+    def file_exists(self, path):
         """Returns True if the file exists, else returns False.
 
         API-style wrapper for os.path.isfile
 
         Parameters
         ----------
-        name : string
-            The name of the file you are checking.
         path : string
-            The relative path to the file's directory (with '/' as separator)
+            The relative path to the file (with '/' as separator)
 
         Returns
         -------
@@ -138,20 +130,18 b' class FileContentsManager(ContentsManager):'
             Whether the file exists.
         """
         path = path.strip('/')
-        nbpath = self._get_os_path(name, path=path)
-        return os.path.isfile(nbpath)
+        os_path = self._get_os_path(path)
+        return os.path.isfile(os_path)
 
-    def exists(self, name=None, path=''):
-        """Returns True if the path [and name] exists, else returns False.
+    def exists(self, path):
+        """Returns True if the path exists, else returns False.
 
         API-style wrapper for os.path.exists
 
         Parameters
         ----------
-        name : string
-            The name of the file you are checking.
         path : string
-            The relative path to the file's directory (with '/' as separator)
+            The API path to the file (with '/' as separator)
 
         Returns
         -------
@@ -159,32 +149,31 b' class FileContentsManager(ContentsManager):'
             Whether the target exists.
         """
         path = path.strip('/')
-        os_path = self._get_os_path(name, path=path)
+        os_path = self._get_os_path(path=path)
         return os.path.exists(os_path)
 
-    def _base_model(self, name, path=''):
+    def _base_model(self, path):
         """Build the common base of a contents model"""
-        os_path = self._get_os_path(name, path)
+        os_path = self._get_os_path(path)
         info = os.stat(os_path)
         last_modified = tz.utcfromtimestamp(info.st_mtime)
         created = tz.utcfromtimestamp(info.st_ctime)
         # Create the base model.
         model = {}
-        model['name'] = name
+        model['name'] = path.rsplit('/', 1)[-1]
         model['path'] = path
         model['last_modified'] = last_modified
         model['created'] = created
         model['content'] = None
         model['format'] = None
-        model['message'] = None
         return model
 
-    def _dir_model(self, name, path='', content=True):
+    def _dir_model(self, path, content=True):
         """Build a model for a directory
 
         if content is requested, will include a listing of the directory
         """
-        os_path = self._get_os_path(name, path)
+        os_path = self._get_os_path(path)
 
         four_o_four = u'directory does not exist: %r' % os_path
 
@@ -196,39 +185,43 b' class FileContentsManager(ContentsManager):'
             )
             raise web.HTTPError(404, four_o_four)
 
-        if name is None:
-            if '/' in path:
-                path, name = path.rsplit('/', 1)
-            else:
-                name = ''
-        model = self._base_model(name, path)
+        model = self._base_model(path)
         model['type'] = 'directory'
-        dir_path = u'{}/{}'.format(path, name)
         if content:
             model['content'] = contents = []
-            for os_path in glob.glob(self._get_os_path('*', dir_path)):
-                name = os.path.basename(os_path)
+            os_dir = self._get_os_path(path)
+            for name in os.listdir(os_dir):
+                os_path = os.path.join(os_dir, name)
                 # skip over broken symlinks in listing
                 if not os.path.exists(os_path):
                     self.log.warn("%s doesn't exist", os_path)
                     continue
+                elif not os.path.isfile(os_path) and not os.path.isdir(os_path):
+                    self.log.debug("%s not a regular file", os_path)
+                    continue
                 if self.should_list(name) and not is_hidden(os_path, self.root_dir):
-                    contents.append(self.get_model(name=name, path=dir_path, content=False))
+                    contents.append(self.get_model(
+                        path='%s/%s' % (path, name),
+                        content=False)
+                    )
 
             model['format'] = 'json'
 
         return model
 
-    def _file_model(self, name, path='', content=True):
+    def _file_model(self, path, content=True):
         """Build a model for a file
 
         if content is requested, include the file contents.
         UTF-8 text files will be unicode, binary files will be base64-encoded.
         """
-        model = self._base_model(name, path)
+        model = self._base_model(path)
         model['type'] = 'file'
         if content:
-            os_path = self._get_os_path(name, path)
+            os_path = self._get_os_path(path)
+            if not os.path.isfile(os_path):
+                # could be FIFO
+                raise web.HTTPError(400, "Cannot get content of non-file %s" % os_path)
             with io.open(os_path, 'rb') as f:
                 bcontent = f.read()
             try:
@@ -241,34 +234,32 b' class FileContentsManager(ContentsManager):'
         return model
 
 
-    def _notebook_model(self, name, path='', content=True):
+    def _notebook_model(self, path, content=True):
         """Build a notebook model
 
         if content is requested, the notebook content will be populated
         as a JSON structure (not double-serialized)
         """
-        model = self._base_model(name, path)
+        model = self._base_model(path)
         model['type'] = 'notebook'
         if content:
-            os_path = self._get_os_path(name, path)
+            os_path = self._get_os_path(path)
             with io.open(os_path, 'r', encoding='utf-8') as f:
                 try:
                     nb = nbformat.read(f, as_version=4)
                 except Exception as e:
                     raise web.HTTPError(400, u"Unreadable Notebook: %s %r" % (os_path, e))
-            self.mark_trusted_cells(nb, name, path)
+            self.mark_trusted_cells(nb, path)
             model['content'] = nb
             model['format'] = 'json'
             self.validate_notebook_model(model)
         return model
 
-    def get_model(self, name, path='', content=True):
-        """ Takes a path and name for an entity and returns its model
+    def get_model(self, path, content=True):
+        """ Takes a path for an entity and returns its model
 
         Parameters
         ----------
-        name : str
-            the name of the target
         path : str
             the API path that describes the relative path for the target
 
@@ -280,32 +271,29 b' class FileContentsManager(ContentsManager):'
         """
         path = path.strip('/')
 
-        if not self.exists(name=name, path=path):
-            raise web.HTTPError(404, u'No such file or directory: %s/%s' % (path, name))
+        if not self.exists(path):
+            raise web.HTTPError(404, u'No such file or directory: %s' % path)
 
-        os_path = self._get_os_path(name, path)
+        os_path = self._get_os_path(path)
         if os.path.isdir(os_path):
-            model = self._dir_model(name, path, content)
-        elif name.endswith('.ipynb'):
-            model = self._notebook_model(name, path, content)
+            model = self._dir_model(path, content=content)
+        elif path.endswith('.ipynb'):
+            model = self._notebook_model(path, content=content)
         else:
-            model = self._file_model(name, path, content)
+            model = self._file_model(path, content=content)
         return model
 
-    def _save_notebook(self, os_path, model, name='', path=''):
+    def _save_notebook(self, os_path, model, path=''):
         """save a notebook file"""
         # Save the notebook file
         nb = nbformat.from_dict(model['content'])
 
-        self.check_and_sign(nb, name, path)
-
-        if 'name' in nb['metadata']:
-            nb['metadata']['name'] = u''
+        self.check_and_sign(nb, path)
 
         with atomic_writing(os_path, encoding='utf-8') as f:
             nbformat.write(nb, f, version=nbformat.NO_CONVERT)
 
-    def _save_file(self, os_path, model, name='', path=''):
+    def _save_file(self, os_path, model, path=''):
         """save a non-notebook file"""
         fmt = model.get('format', None)
         if fmt not in {'text', 'base64'}:
@@ -322,7 +310,7 b' class FileContentsManager(ContentsManager):'
         with atomic_writing(os_path, text=False) as f:
             f.write(bcontent)
 
-    def _save_directory(self, os_path, model, name='', path=''):
+    def _save_directory(self, os_path, model, path=''):
         """create a directory"""
         if is_hidden(os_path, self.root_dir):
             raise web.HTTPError(400, u'Cannot create hidden directory %r' % os_path)
@@ -333,7 +321,7 b' class FileContentsManager(ContentsManager):'
         else:
             self.log.debug("Directory %r already exists", os_path)
 
-    def save(self, model, name='', path=''):
+    def save(self, model, path=''):
         """Save the file model and return the model with no content."""
         path = path.strip('/')
 
@@ -343,24 +331,18 b' class FileContentsManager(ContentsManager):'
             raise web.HTTPError(400, u'No file content provided')
 
         # One checkpoint should always exist
-        if self.file_exists(name, path) and not self.list_checkpoints(name, path):
-            self.create_checkpoint(name, path)
+        if self.file_exists(path) and not self.list_checkpoints(path):
+            self.create_checkpoint(path)
 
-        new_path = model.get('path', path).strip('/')
-        new_name = model.get('name', name)
-
-        if path != new_path or name != new_name:
-            self.rename(name, path, new_name, new_path)
-
-        os_path = self._get_os_path(new_name, new_path)
+        os_path = self._get_os_path(path)
         self.log.debug("Saving %s", os_path)
         try:
             if model['type'] == 'notebook':
-                self._save_notebook(os_path, model, new_name, new_path)
+                self._save_notebook(os_path, model, path)
             elif model['type'] == 'file':
-                self._save_file(os_path, model, new_name, new_path)
+                self._save_file(os_path, model, path)
             elif model['type'] == 'directory':
-                self._save_directory(os_path, model, new_name, new_path)
+                self._save_directory(os_path, model, path)
             else:
                 raise web.HTTPError(400, "Unhandled contents type: %s" % model['type'])
         except web.HTTPError:
@@ -373,29 +355,28 b' class FileContentsManager(ContentsManager):'
             self.validate_notebook_model(model)
             validation_message = model.get('message', None)
 
-        model = self.get_model(new_name, new_path, content=False)
+        model = self.get_model(path, content=False)
         if validation_message:
             model['message'] = validation_message
         return model
 
-    def update(self, model, name, path=''):
-        """Update the file's path and/or name
+    def update(self, model, path):
+        """Update the file's path
 
         For use in PATCH requests, to enable renaming a file without
         re-uploading its contents. Only used for renaming at the moment.
         """
         path = path.strip('/')
-        new_name = model.get('name', name)
         new_path = model.get('path', path).strip('/')
-        if path != new_path or name != new_name:
-            self.rename(name, path, new_name, new_path)
-        model = self.get_model(new_name, new_path, content=False)
+        if path != new_path:
+            self.rename(path, new_path)
+        model = self.get_model(new_path, content=False)
         return model
 
-    def delete(self, name, path=''):
-        """Delete file by name and path."""
+    def delete(self, path):
+        """Delete file at path."""
         path = path.strip('/')
-        os_path = self._get_os_path(name, path)
+        os_path = self._get_os_path(path)
         rm = os.unlink
         if os.path.isdir(os_path):
             listing = os.listdir(os_path)
@@ -406,9 +387,9 b' class FileContentsManager(ContentsManager):'
             raise web.HTTPError(404, u'File does not exist: %s' % os_path)
 
         # clear checkpoints
-        for checkpoint in self.list_checkpoints(name, path):
+        for checkpoint in self.list_checkpoints(path):
             checkpoint_id = checkpoint['id']
-            cp_path = self.get_checkpoint_path(checkpoint_id, name, path)
+            cp_path = self.get_checkpoint_path(checkpoint_id, path)
             if os.path.isfile(cp_path):
                 self.log.debug("Unlinking checkpoint %s", cp_path)
                 os.unlink(cp_path)
@@ -420,57 +401,59 b' class FileContentsManager(ContentsManager):'
             self.log.debug("Unlinking file %s", os_path)
             rm(os_path)
 
-    def rename(self, old_name, old_path, new_name, new_path):
+    def rename(self, old_path, new_path):
         """Rename a file."""
         old_path = old_path.strip('/')
         new_path = new_path.strip('/')
-        if new_name == old_name and new_path == old_path:
+        if new_path == old_path:
             return
 
-        new_os_path = self._get_os_path(new_name, new_path)
-        old_os_path = self._get_os_path(old_name, old_path)
+        new_os_path = self._get_os_path(new_path)
+        old_os_path = self._get_os_path(old_path)
 
         # Should we proceed with the move?
-        if os.path.isfile(new_os_path):
-            raise web.HTTPError(409, u'File with name already exists: %s' % new_os_path)
+        if os.path.exists(new_os_path):
+            raise web.HTTPError(409, u'File already exists: %s' % new_path)
 
         # Move the file
         try:
             shutil.move(old_os_path, new_os_path)
         except Exception as e:
-            raise web.HTTPError(500, u'Unknown error renaming file: %s %s' % (old_os_path, e))
+            raise web.HTTPError(500, u'Unknown error renaming file: %s %s' % (old_path, e))
 
         # Move the checkpoints
-        old_checkpoints = self.list_checkpoints(old_name, old_path)
+        old_checkpoints = self.list_checkpoints(old_path)
         for cp in old_checkpoints:
             checkpoint_id = cp['id']
-            old_cp_path = self.get_checkpoint_path(checkpoint_id, old_name, old_path)
-            new_cp_path = self.get_checkpoint_path(checkpoint_id, new_name, new_path)
+            old_cp_path = self.get_checkpoint_path(checkpoint_id, old_path)
+            new_cp_path = self.get_checkpoint_path(checkpoint_id, new_path)
             if os.path.isfile(old_cp_path):
                 self.log.debug("Renaming checkpoint %s -> %s", old_cp_path, new_cp_path)
                 shutil.move(old_cp_path, new_cp_path)
 
     # Checkpoint-related utilities
 
-    def get_checkpoint_path(self, checkpoint_id, name, path=''):
+    def get_checkpoint_path(self, checkpoint_id, path):
         """find the path to a checkpoint"""
         path = path.strip('/')
+        parent, name = ('/' + path).rsplit('/', 1)
+        parent = parent.strip('/')
         basename, ext = os.path.splitext(name)
         filename = u"{name}-{checkpoint_id}{ext}".format(
             name=basename,
             checkpoint_id=checkpoint_id,
             ext=ext,
         )
-        os_path = self._get_os_path(path=path)
+        os_path = self._get_os_path(path=parent)
         cp_dir = os.path.join(os_path, self.checkpoint_dir)
         ensure_dir_exists(cp_dir)
         cp_path = os.path.join(cp_dir, filename)
         return cp_path
 
-    def get_checkpoint_model(self, checkpoint_id, name, path=''):
+    def get_checkpoint_model(self, checkpoint_id, path):
         """construct the info dict for a given checkpoint"""
         path = path.strip('/')
-        cp_path = self.get_checkpoint_path(checkpoint_id, name, path)
+        cp_path = self.get_checkpoint_path(checkpoint_id, path)
         stats = os.stat(cp_path)
         last_modified = tz.utcfromtimestamp(stats.st_mtime)
         info = dict(
@@ -481,43 +464,45 b' class FileContentsManager(ContentsManager):'
 
     # public checkpoint API
 
-    def create_checkpoint(self, name, path=''):
+    def create_checkpoint(self, path):
         """Create a checkpoint from the current state of a file"""
         path = path.strip('/')
-        src_path = self._get_os_path(name, path)
+        if not self.file_exists(path):
+            raise web.HTTPError(404)
+        src_path = self._get_os_path(path)
         # only the one checkpoint ID:
         checkpoint_id = u"checkpoint"
-        cp_path = self.get_checkpoint_path(checkpoint_id, name, path)
-        self.log.debug("creating checkpoint for %s", name)
+        cp_path = self.get_checkpoint_path(checkpoint_id, path)
+        self.log.debug("creating checkpoint for %s", path)
         self._copy(src_path, cp_path)
 
         # return the checkpoint info
-        return self.get_checkpoint_model(checkpoint_id, name, path)
+        return self.get_checkpoint_model(checkpoint_id, path)
 
-    def list_checkpoints(self, name, path=''):
+    def list_checkpoints(self, path):
         """list the checkpoints for a given file
 
         This contents manager currently only supports one checkpoint per file.
         """
         path = path.strip('/')
         checkpoint_id = "checkpoint"
-        os_path = self.get_checkpoint_path(checkpoint_id, name, path)
+        os_path = self.get_checkpoint_path(checkpoint_id, path)
         if not os.path.exists(os_path):
             return []
         else:
-            return [self.get_checkpoint_model(checkpoint_id, name, path)]
+            return [self.get_checkpoint_model(checkpoint_id, path)]
 
 
-    def restore_checkpoint(self, checkpoint_id, name, path=''):
+    def restore_checkpoint(self, checkpoint_id, path):
         """restore a file to a checkpointed state"""
         path = path.strip('/')
-        self.log.info("restoring %s from checkpoint %s", name, checkpoint_id)
-        nb_path = self._get_os_path(name, path)
-        cp_path = self.get_checkpoint_path(checkpoint_id, name, path)
+        self.log.info("restoring %s from checkpoint %s", path, checkpoint_id)
+        nb_path = self._get_os_path(path)
+        cp_path = self.get_checkpoint_path(checkpoint_id, path)
         if not os.path.isfile(cp_path):
             self.log.debug("checkpoint file does not exist: %s", cp_path)
             raise web.HTTPError(404,
-                u'checkpoint does not exist: %s-%s' % (name, checkpoint_id)
+                u'checkpoint does not exist: %s@%s' % (path, checkpoint_id)
             )
         # ensure notebook is readable (never restore from an unreadable notebook)
         if cp_path.endswith('.ipynb'):
@@ -526,13 +511,13 b' class FileContentsManager(ContentsManager):'
         self._copy(cp_path, nb_path)
         self.log.debug("copying %s -> %s", cp_path, nb_path)
 
-    def delete_checkpoint(self, checkpoint_id, name, path=''):
+    def delete_checkpoint(self, checkpoint_id, path):
         """delete a file's checkpoint"""
         path = path.strip('/')
-        cp_path = self.get_checkpoint_path(checkpoint_id, name, path)
+        cp_path = self.get_checkpoint_path(checkpoint_id, path)
         if not os.path.isfile(cp_path):
             raise web.HTTPError(404,
-                u'Checkpoint does not exist: %s%s-%s' % (path, name, checkpoint_id)
+                u'Checkpoint does not exist: %s@%s' % (path, checkpoint_id)
             )
         self.log.debug("unlinking %s", cp_path)
         os.unlink(cp_path)
@@ -540,6 +525,10 b' class FileContentsManager(ContentsManager):'
     def info_string(self):
         return "Serving notebooks from local directory: %s" % self.root_dir
 
-    def get_kernel_path(self, name, path='', model=None):
+    def get_kernel_path(self, path, model=None):
         """Return the initial working dir a kernel associated with a given notebook"""
-        return os.path.join(self.root_dir, path)
+        if '/' in path:
+            parent_dir = path.rsplit('/', 1)[0]
+        else:
+            parent_dir = ''
+        return self._get_os_path(parent_dir)

IPython/html/services/contents/handlers.py

@@ -10,9 +10,9 b' from tornado import web'
 from IPython.html.utils import url_path_join, url_escape
 from IPython.utils.jsonutil import date_default
 
-from IPython.html.base.handlers import (IPythonHandler, json_errors,
-                                    file_path_regex, path_regex,
-                                    file_name_regex)
+from IPython.html.base.handlers import (
+    IPythonHandler, json_errors, path_regex,
+)
 
 
 def sort_key(model):
@@ -29,38 +29,36 b' class ContentsHandler(IPythonHandler):'
 
     SUPPORTED_METHODS = (u'GET', u'PUT', u'PATCH', u'POST', u'DELETE')
 
-    def location_url(self, name, path):
+    def location_url(self, path):
         """Return the full URL location of a file.
 
         Parameters
         ----------
-        name : unicode
-            The base name of the file, such as "foo.ipynb".
         path : unicode
-            The API path of the file, such as "foo/bar".
+            The API path of the file, such as "foo/bar.txt".
         """
         return url_escape(url_path_join(
-            self.base_url, 'api', 'contents', path, name
+            self.base_url, 'api', 'contents', path
         ))
 
     def _finish_model(self, model, location=True):
         """Finish a JSON request with a model, setting relevant headers, etc."""
         if location:
-            location = self.location_url(model['name'], model['path'])
+            location = self.location_url(model['path'])
             self.set_header('Location', location)
         self.set_header('Last-Modified', model['last_modified'])
         self.finish(json.dumps(model, default=date_default))
 
     @web.authenticated
     @json_errors
-    def get(self, path='', name=None):
+    def get(self, path=''):
         """Return a model for a file or directory.
 
         A directory model contains a list of models (without content)
         of the files and directories it contains.
         """
         path = path or ''
-        model = self.contents_manager.get_model(name=name, path=path)
+        model = self.contents_manager.get_model(path=path)
         if model['type'] == 'directory':
             # group listing by type, then by name (case-insensitive)
             # FIXME: sorting should be done in the frontends
@@ -69,112 +67,83 b' class ContentsHandler(IPythonHandler):'
 
     @web.authenticated
     @json_errors
-    def patch(self, path='', name=None):
-        """PATCH renames a notebook without re-uploading content."""
+    def patch(self, path=''):
+        """PATCH renames a file or directory without re-uploading content."""
         cm = self.contents_manager
-        if name is None:
-            raise web.HTTPError(400, u'Filename missing')
         model = self.get_json_body()
         if model is None:
             raise web.HTTPError(400, u'JSON body missing')
-        model = cm.update(model, name, path)
+        model = cm.update(model, path)
         self._finish_model(model)
 
-    def _copy(self, copy_from, path, copy_to=None):
-        """Copy a file, optionally specifying the new name.
-        """
-        self.log.info(u"Copying {copy_from} to {path}/{copy_to}".format(
+    def _copy(self, copy_from, copy_to=None):
+        """Copy a file, optionally specifying a target directory."""
+        self.log.info(u"Copying {copy_from} to {copy_to}".format(
             copy_from=copy_from,
-            path=path,
             copy_to=copy_to or '',
         ))
-        model = self.contents_manager.copy(copy_from, copy_to, path)
+        model = self.contents_manager.copy(copy_from, copy_to)
         self.set_status(201)
         self._finish_model(model)
 
-    def _upload(self, model, path, name=None):
-        """Handle upload of a new file
-
-        If name specified, create it in path/name,
-        otherwise create a new untitled file in path.
-        """
-        self.log.info(u"Uploading file to %s/%s", path, name or '')
-        if name:
-            model['name'] = name
-
-        model = self.contents_manager.create_file(model, path)
+    def _upload(self, model, path):
+        """Handle upload of a new file to path"""
+        self.log.info(u"Uploading file to %s", path)
+        model = self.contents_manager.new(model, path)
         self.set_status(201)
         self._finish_model(model)
-
-    def _create_empty_file(self, path, name=None, ext='.ipynb'):
-        """Create an empty file in path
-
-        If name specified, create it in path/name.
-        """
-        self.log.info(u"Creating new file in %s/%s", path, name or '')
-        model = {}
-        if name:
-            model['name'] = name
-        model = self.contents_manager.create_file(model, path=path, ext=ext)
+        
+    def _new_untitled(self, path, type='', ext=''):
+        """Create a new, empty untitled entity"""
+        self.log.info(u"Creating new %s in %s", type or 'file', path)
+        model = self.contents_manager.new_untitled(path=path, type=type, ext=ext)
         self.set_status(201)
         self._finish_model(model)
 
-    def _save(self, model, path, name):
+    def _save(self, model, path):
         """Save an existing file."""
-        self.log.info(u"Saving file at %s/%s", path, name)
-        model = self.contents_manager.save(model, name, path)
-        if model['path'] != path.strip('/') or model['name'] != name:
-            # a rename happened, set Location header
-            location = True
-        else:
-            location = False
-        self._finish_model(model, location)
+        self.log.info(u"Saving file at %s", path)
+        model = self.contents_manager.save(model, path)
+        self._finish_model(model)
 
     @web.authenticated
     @json_errors
-    def post(self, path='', name=None):
-        """Create a new file or directory in the specified path.
+    def post(self, path=''):
+        """Create a new file in the specified path.
 
-        POST creates new files or directories. The server always decides on the name.
+        POST creates new files. The server always decides on the name.
 
         POST /api/contents/path
-          New untitled notebook in path. If content specified, upload a
-          notebook, otherwise start empty.
+          New untitled, empty file or directory.
         POST /api/contents/path
-          with body {"copy_from" : "OtherNotebook.ipynb"}
+          with body {"copy_from" : "/path/to/OtherNotebook.ipynb"}
           New copy of OtherNotebook in path
         """
 
-        if name is not None:
-            path = u'{}/{}'.format(path, name)
-
         cm = self.contents_manager
 
         if cm.file_exists(path):
-            raise web.HTTPError(400, "Cannot POST to existing files, use PUT instead.")
+            raise web.HTTPError(400, "Cannot POST to files, use PUT instead.")
 
-        if not cm.path_exists(path):
+        if not cm.dir_exists(path):
             raise web.HTTPError(404, "No such directory: %s" % path)
 
         model = self.get_json_body()
 
         if model is not None:
             copy_from = model.get('copy_from')
-            ext = model.get('ext', '.ipynb')
-            if model.get('content') is not None:
-                if copy_from:
-                    raise web.HTTPError(400, "Can't upload and copy at the same time.")
-                self._upload(model, path)
-            elif copy_from:
+            ext = model.get('ext', '')
+            type = model.get('type', '')
+            if copy_from:
                 self._copy(copy_from, path)
             else:
-                self._create_empty_file(path, ext=ext)
+                self._new_untitled(path, type=type, ext=ext)
         else:
-            self._create_empty_file(path)
+            self._new_untitled(path)
 
     @web.authenticated
     @json_errors
-    def put(self, path='', name=None):
+    def put(self, path=''):
         """Saves the file in the location specified by name and path.
 
         PUT is very similar to POST, but the requester specifies the name,
@@ -184,39 +153,25 b' class ContentsHandler(IPythonHandler):'
           Save notebook at ``path/Name.ipynb``. Notebook structure is specified
           in `content` key of JSON request body. If content is not specified,
           create a new empty notebook.
-        PUT /api/contents/path/Name.ipynb
-          with JSON body::
-
-            {
-              "copy_from" : "[path/to/]OtherNotebook.ipynb"
-            }
-
-          Copy OtherNotebook to Name
         """
-        if name is None:
-            raise web.HTTPError(400, "name must be specified with PUT.")
-
         model = self.get_json_body()
         if model:
-            copy_from = model.get('copy_from')
-            if copy_from:
-                if model.get('content'):
-                    raise web.HTTPError(400, "Can't upload and copy at the same time.")
-                self._copy(copy_from, path, name)
-            elif self.contents_manager.file_exists(name, path):
-                self._save(model, path, name)
+            if model.get('copy_from'):
+                raise web.HTTPError(400, "Cannot copy with PUT, only POST")
+            if self.contents_manager.file_exists(path):
+                self._save(model, path)
             else:
-                self._upload(model, path, name)
+                self._upload(model, path)
         else:
-            self._create_empty_file(path, name)
+            self._new_untitled(path)
 
     @web.authenticated
     @json_errors
-    def delete(self, path='', name=None):
+    def delete(self, path=''):
         """delete a file in the given path"""
         cm = self.contents_manager
-        self.log.warn('delete %s:%s', path, name)
-        cm.delete(name, path)
+        self.log.warn('delete %s', path)
+        cm.delete(path)
         self.set_status(204)
         self.finish()
 
@@ -227,22 +182,22 b' class CheckpointsHandler(IPythonHandler):'
 
     @web.authenticated
     @json_errors
-    def get(self, path='', name=None):
+    def get(self, path=''):
         """get lists checkpoints for a file"""
         cm = self.contents_manager
-        checkpoints = cm.list_checkpoints(name, path)
+        checkpoints = cm.list_checkpoints(path)
         data = json.dumps(checkpoints, default=date_default)
         self.finish(data)
 
     @web.authenticated
     @json_errors
-    def post(self, path='', name=None):
+    def post(self, path=''):
         """post creates a new checkpoint"""
         cm = self.contents_manager
-        checkpoint = cm.create_checkpoint(name, path)
+        checkpoint = cm.create_checkpoint(path)
         data = json.dumps(checkpoint, default=date_default)
         location = url_path_join(self.base_url, 'api/contents',
-            path, name, 'checkpoints', checkpoint['id'])
+            path, 'checkpoints', checkpoint['id'])
         self.set_header('Location', url_escape(location))
         self.set_status(201)
         self.finish(data)
@@ -254,19 +209,19 b' class ModifyCheckpointsHandler(IPythonHandler):'
 
     @web.authenticated
     @json_errors
-    def post(self, path, name, checkpoint_id):
+    def post(self, path, checkpoint_id):
         """post restores a file from a checkpoint"""
         cm = self.contents_manager
-        cm.restore_checkpoint(checkpoint_id, name, path)
+        cm.restore_checkpoint(checkpoint_id, path)
         self.set_status(204)
         self.finish()
 
     @web.authenticated
     @json_errors
-    def delete(self, path, name, checkpoint_id):
+    def delete(self, path, checkpoint_id):
         """delete clears a checkpoint for a given file"""
         cm = self.contents_manager
-        cm.delete_checkpoint(checkpoint_id, name, path)
+        cm.delete_checkpoint(checkpoint_id, path)
         self.set_status(204)
         self.finish()
 
@@ -294,10 +249,9 b' class NotebooksRedirectHandler(IPythonHandler):'
 _checkpoint_id_regex = r"(?P<checkpoint_id>[\w-]+)"
 
 default_handlers = [
-    (r"/api/contents%s/checkpoints" % file_path_regex, CheckpointsHandler),
-    (r"/api/contents%s/checkpoints/%s" % (file_path_regex, _checkpoint_id_regex),
+    (r"/api/contents%s/checkpoints" % path_regex, CheckpointsHandler),
+    (r"/api/contents%s/checkpoints/%s" % (path_regex, _checkpoint_id_regex),
         ModifyCheckpointsHandler),
-    (r"/api/contents%s" % file_path_regex, ContentsHandler),
     (r"/api/contents%s" % path_regex, ContentsHandler),
     (r"/api/notebooks/?(.*)", NotebooksRedirectHandler),
 ]

IPython/html/services/contents/manager.py

@@ -33,14 +33,6 b' class ContentsManager(LoggingConfigurable):'
     - if unspecified, path defaults to '',
       indicating the root path.
 
-    name is also unicode, and refers to a specfic target:
-
-    - unicode, not url-escaped
-    - must not contain '/'
-    - It refers to an individual filename
-    - It may refer to a directory name,
-      in the case of listing or creating directories.
-
     """
 
     notary = Instance(sign.NotebookNotary)
@@ -69,7 +61,7 b' class ContentsManager(LoggingConfigurable):'
     # ContentsManager API part 1: methods that must be
     # implemented in subclasses.
 
-    def path_exists(self, path):
+    def dir_exists(self, path):
         """Does the API-style path (directory) actually exist?
 
         Like os.path.isdir
@@ -105,8 +97,8 b' class ContentsManager(LoggingConfigurable):'
         """
         raise NotImplementedError
 
-    def file_exists(self, name, path=''):
-        """Does a file exist at the given name and path?
+    def file_exists(self, path=''):
+        """Does a file exist at the given path?
 
         Like os.path.isfile
 
@@ -126,15 +118,13 b' class ContentsManager(LoggingConfigurable):'
         """
         raise NotImplementedError('must be implemented in a subclass')
 
-    def exists(self, name, path=''):
-        """Does a file or directory exist at the given name and path?
+    def exists(self, path):
+        """Does a file or directory exist at the given path?
 
         Like os.path.exists
 
         Parameters
         ----------
-        name : string
-            The name of the file you are checking.
         path : string
             The relative path to the file's directory (with '/' as separator)
 
@@ -143,17 +133,17 b' class ContentsManager(LoggingConfigurable):'
         exists : bool
             Whether the target exists.
         """
-        return self.file_exists(name, path) or self.path_exists("%s/%s" % (path, name))
+        return self.file_exists(path) or self.dir_exists(path)
 
-    def get_model(self, name, path='', content=True):
+    def get_model(self, path, content=True):
         """Get the model of a file or directory with or without content."""
         raise NotImplementedError('must be implemented in a subclass')
 
-    def save(self, model, name, path=''):
+    def save(self, model, path):
         """Save the file or directory and return the model with no content."""
         raise NotImplementedError('must be implemented in a subclass')
 
-    def update(self, model, name, path=''):
+    def update(self, model, path):
         """Update the file or directory and return the model with no content.
 
         For use in PATCH requests, to enable renaming a file without
@@ -161,26 +151,26 b' class ContentsManager(LoggingConfigurable):'
         """
         raise NotImplementedError('must be implemented in a subclass')
 
-    def delete(self, name, path=''):
-        """Delete file or directory by name and path."""
+    def delete(self, path):
+        """Delete file or directory by path."""
         raise NotImplementedError('must be implemented in a subclass')
 
-    def create_checkpoint(self, name, path=''):
+    def create_checkpoint(self, path):
         """Create a checkpoint of the current state of a file
 
         Returns a checkpoint_id for the new checkpoint.
         """
         raise NotImplementedError("must be implemented in a subclass")
 
-    def list_checkpoints(self, name, path=''):
+    def list_checkpoints(self, path):
         """Return a list of checkpoints for a given file"""
         return []
 
-    def restore_checkpoint(self, checkpoint_id, name, path=''):
+    def restore_checkpoint(self, checkpoint_id, path):
         """Restore a file from one of its checkpoints"""
         raise NotImplementedError("must be implemented in a subclass")
 
-    def delete_checkpoint(self, checkpoint_id, name, path=''):
+    def delete_checkpoint(self, checkpoint_id, path):
         """delete a checkpoint for a file"""
         raise NotImplementedError("must be implemented in a subclass")
 
@@ -190,8 +180,12 b' class ContentsManager(LoggingConfigurable):'
     def info_string(self):
         return "Serving contents"
 
-    def get_kernel_path(self, name, path='', model=None):
-        """ Return the path to start kernel in """
+    def get_kernel_path(self, path, model=None):
+        """Return the API path for the kernel
+        
+        KernelManagers can turn this value into a filesystem path,
+        or ignore it altogether.
+        """
         return path
 
     def increment_filename(self, filename, path=''):
@@ -214,7 +208,7 b' class ContentsManager(LoggingConfigurable):'
         for i in itertools.count():
             name = u'{basename}{i}{ext}'.format(basename=basename, i=i,
                                                 ext=ext)
-            if not self.file_exists(name, path):
+            if not self.exists(u'{}/{}'.format(path, name)):
                 break
         return name
 
@@ -223,85 +217,124 b' class ContentsManager(LoggingConfigurable):'
         try:
             validate(model['content'])
         except ValidationError as e:
-            model['message'] = 'Notebook Validation failed: {}:\n{}'.format(
+            model['message'] = u'Notebook Validation failed: {}:\n{}'.format(
                 e.message, json.dumps(e.instance, indent=1, default=lambda obj: '<UNKNOWN>'),
             )
         return model
-
-    def create_file(self, model=None, path='', ext='.ipynb'):
-        """Create a new file or directory and return its model with no content."""
+    
+    def new_untitled(self, path='', type='', ext=''):
+        """Create a new untitled file or directory in path
+        
+        path must be a directory
+        
+        File extension can be specified.
+        
+        Use `new` to create files with a fully specified path (including filename).
+        """
+        path = path.strip('/')
+        if not self.dir_exists(path):
+            raise HTTPError(404, 'No such directory: %s' % path)
+        
+        model = {}
+        if type:
+            model['type'] = type
+        
+        if ext == '.ipynb':
+            model.setdefault('type', 'notebook')
+        else:
+            model.setdefault('type', 'file')
+        
+        if model['type'] == 'directory':
+            untitled = self.untitled_directory
+        elif model['type'] == 'notebook':
+            untitled = self.untitled_notebook
+            ext = '.ipynb'
+        elif model['type'] == 'file':
+            untitled = self.untitled_file
+        else:
+            raise HTTPError(400, "Unexpected model type: %r" % model['type'])
+        
+        name = self.increment_filename(untitled + ext, path)
+        path = u'{0}/{1}'.format(path, name)
+        return self.new(model, path)
+    
+    def new(self, model=None, path=''):
+        """Create a new file or directory and return its model with no content.
+        
+        To create a new untitled entity in a directory, use `new_untitled`.
+        """
         path = path.strip('/')
         if model is None:
             model = {}
-        if 'content' not in model and model.get('type', None) != 'directory':
-            if ext == '.ipynb':
+        
+        if path.endswith('.ipynb'):
+            model.setdefault('type', 'notebook')
+        else:
+            model.setdefault('type', 'file')
+        
+        # no content, not a directory, so fill out new-file model
+        if 'content' not in model and model['type'] != 'directory':
+            if model['type'] == 'notebook':
                 model['content'] = new_notebook()
-                model['type'] = 'notebook'
                 model['format'] = 'json'
             else:
                 model['content'] = ''
                 model['type'] = 'file'
                 model['format'] = 'text'
-        if 'name' not in model:
-            if model['type'] == 'directory':
-                untitled = self.untitled_directory
-            elif model['type'] == 'notebook':
-                untitled = self.untitled_notebook
-            elif model['type'] == 'file':
-                untitled = self.untitled_file
-            else:
-                raise HTTPError(400, "Unexpected model type: %r" % model['type'])
-            model['name'] = self.increment_filename(untitled + ext, path)
-
-        model['path'] = path
-        model = self.save(model, model['name'], model['path'])
+        
+        model = self.save(model, path)
         return model
 
-    def copy(self, from_name, to_name=None, path=''):
+    def copy(self, from_path, to_path=None):
         """Copy an existing file and return its new model.
 
-        If to_name not specified, increment `from_name-Copy#.ext`.
+        If to_path not specified, it will be the parent directory of from_path.
+        If to_path is a directory, filename will increment `from_path-Copy#.ext`.
 
-        copy_from can be a full path to a file,
-        or just a base name. If a base name, `path` is used.
+        from_path must be a full path to a file.
         """
-        path = path.strip('/')
-        if '/' in from_name:
-            from_path, from_name = from_name.rsplit('/', 1)
+        path = from_path.strip('/')
+        if '/' in path:
+            from_dir, from_name = path.rsplit('/', 1)
         else:
-            from_path = path
-        model = self.get_model(from_name, from_path)
+            from_dir = ''
+            from_name = path
+        
+        model = self.get_model(path)
+        model.pop('path', None)
+        model.pop('name', None)
         if model['type'] == 'directory':
             raise HTTPError(400, "Can't copy directories")
-        if not to_name:
+        
+        if not to_path:
+            to_path = from_dir
+        if self.dir_exists(to_path):
             base, ext = os.path.splitext(from_name)
             copy_name = u'{0}-Copy{1}'.format(base, ext)
-            to_name = self.increment_filename(copy_name, path)
-        model['name'] = to_name
-        model['path'] = path
-        model = self.save(model, to_name, path)
+            to_name = self.increment_filename(copy_name, to_path)
+            to_path = u'{0}/{1}'.format(to_path, to_name)
+        
+        model = self.save(model, to_path)
         return model
 
     def log_info(self):
         self.log.info(self.info_string())
 
-    def trust_notebook(self, name, path=''):
+    def trust_notebook(self, path):
         """Explicitly trust a notebook
 
         Parameters
         ----------
-        name : string
-            The filename of the notebook
         path : string
-            The notebook's directory
+            The path of a notebook
         """
-        model = self.get_model(name, path)
+        model = self.get_model(path)
         nb = model['content']
-        self.log.warn("Trusting notebook %s/%s", path, name)
+        self.log.warn("Trusting notebook %s", path)
         self.notary.mark_cells(nb, True)
-        self.save(model, name, path)
+        self.save(model, path)
 
-    def check_and_sign(self, nb, name='', path=''):
+    def check_and_sign(self, nb, path=''):
         """Check for trusted cells, and sign the notebook.
 
         Called as a part of saving notebooks.
@@ -310,17 +343,15 b' class ContentsManager(LoggingConfigurable):'
         ----------
         nb : dict
             The notebook dict
-        name : string
-            The filename of the notebook (for logging)
         path : string
-            The notebook's directory (for logging)
+            The notebook's path (for logging)
         """
         if self.notary.check_cells(nb):
             self.notary.sign(nb)
         else:
-            self.log.warn("Saving untrusted notebook %s/%s", path, name)
+            self.log.warn("Saving untrusted notebook %s", path)
 
-    def mark_trusted_cells(self, nb, name='', path=''):
+    def mark_trusted_cells(self, nb, path=''):
         """Mark cells as trusted if the notebook signature matches.
 
         Called as a part of loading notebooks.
@@ -329,14 +360,12 b' class ContentsManager(LoggingConfigurable):'
         ----------
         nb : dict
             The notebook object (in current nbformat)
-        name : string
-            The filename of the notebook (for logging)
         path : string
-            The notebook's directory (for logging)
+            The notebook's path (for logging)
         """
         trusted = self.notary.check_signature(nb)
         if not trusted:
-            self.log.warn("Notebook %s/%s is not trusted", path, name)
+            self.log.warn("Notebook %s is not trusted", path)
         self.notary.mark_cells(nb, trusted)
 
     def should_list(self, name):

IPython/html/services/contents/tests/test_contents_api.py

@@ -46,56 +46,59 b' class API(object):'
     def list(self, path='/'):
         return self._req('GET', path)
 
-    def read(self, name, path='/'):
-        return self._req('GET', url_path_join(path, name))
+    def read(self, path):
+        return self._req('GET', path)
 
-    def create_untitled(self, path='/', ext=None):
+    def create_untitled(self, path='/', ext='.ipynb'):
         body = None
         if ext:
             body = json.dumps({'ext': ext})
         return self._req('POST', path, body)
 
-    def upload_untitled(self, body, path='/'):
-        return self._req('POST', path, body)
+    def mkdir_untitled(self, path='/'):
+        return self._req('POST', path, json.dumps({'type': 'directory'}))
 
-    def copy_untitled(self, copy_from, path='/'):
+    def copy(self, copy_from, path='/'):
         body = json.dumps({'copy_from':copy_from})
         return self._req('POST', path, body)
 
-    def create(self, name, path='/'):
-        return self._req('PUT', url_path_join(path, name))
+    def create(self, path='/'):
+        return self._req('PUT', path)
+
+    def upload(self, path, body):
+        return self._req('PUT', path, body)
 
-    def upload(self, name, body, path='/'):
-        return self._req('PUT', url_path_join(path, name), body)
+    def mkdir_untitled(self, path='/'):
+        return self._req('POST', path, json.dumps({'type': 'directory'}))
 
-    def mkdir(self, name, path='/'):
-        return self._req('PUT', url_path_join(path, name), json.dumps({'type': 'directory'}))
+    def mkdir(self, path='/'):
+        return self._req('PUT', path, json.dumps({'type': 'directory'}))
 
-    def copy(self, copy_from, copy_to, path='/'):
+    def copy_put(self, copy_from, path='/'):
         body = json.dumps({'copy_from':copy_from})
-        return self._req('PUT', url_path_join(path, copy_to), body)
+        return self._req('PUT', path, body)
 
-    def save(self, name, body, path='/'):
-        return self._req('PUT', url_path_join(path, name), body)
+    def save(self, path, body):
+        return self._req('PUT', path, body)
 
-    def delete(self, name, path='/'):
-        return self._req('DELETE', url_path_join(path, name))
+    def delete(self, path='/'):
+        return self._req('DELETE', path)
 
-    def rename(self, name, path, new_name):
-        body = json.dumps({'name': new_name})
-        return self._req('PATCH', url_path_join(path, name), body)
+    def rename(self, path, new_path):
+        body = json.dumps({'path': new_path})
+        return self._req('PATCH', path, body)
 
-    def get_checkpoints(self, name, path):
-        return self._req('GET', url_path_join(path, name, 'checkpoints'))
+    def get_checkpoints(self,  path):
+        return self._req('GET', url_path_join(path, 'checkpoints'))
 
-    def new_checkpoint(self, name, path):
-        return self._req('POST', url_path_join(path, name, 'checkpoints'))
+    def new_checkpoint(self,  path):
+        return self._req('POST', url_path_join(path, 'checkpoints'))
 
-    def restore_checkpoint(self, name, path, checkpoint_id):
-        return self._req('POST', url_path_join(path, name, 'checkpoints', checkpoint_id))
+    def restore_checkpoint(self, path, checkpoint_id):
+        return self._req('POST', url_path_join(path, 'checkpoints', checkpoint_id))
 
-    def delete_checkpoint(self, name, path, checkpoint_id):
-        return self._req('DELETE', url_path_join(path, name, 'checkpoints', checkpoint_id))
+    def delete_checkpoint(self, path, checkpoint_id):
+        return self._req('DELETE', url_path_join(path, 'checkpoints', checkpoint_id))
 
 class APITest(NotebookTestBase):
     """Test the kernels web service API"""
@@ -131,8 +134,6 b' class APITest(NotebookTestBase):'
         self.blob = os.urandom(100)
         self.b64_blob = base64.encodestring(self.blob).decode('ascii')
 
-
-
         for d in (self.dirs + self.hidden_dirs):
             d.replace('/', os.sep)
             if not os.path.isdir(pjoin(nbdir, d)):
@@ -178,12 +179,12 b' class APITest(NotebookTestBase):'
         nbs = notebooks_only(self.api.list(u'/unicodé/').json())
         self.assertEqual(len(nbs), 1)
         self.assertEqual(nbs[0]['name'], 'innonascii.ipynb')
-        self.assertEqual(nbs[0]['path'], u'unicodé')
+        self.assertEqual(nbs[0]['path'], u'unicodé/innonascii.ipynb')
 
         nbs = notebooks_only(self.api.list('/foo/bar/').json())
         self.assertEqual(len(nbs), 1)
         self.assertEqual(nbs[0]['name'], 'baz.ipynb')
-        self.assertEqual(nbs[0]['path'], 'foo/bar')
+        self.assertEqual(nbs[0]['path'], 'foo/bar/baz.ipynb')
 
         nbs = notebooks_only(self.api.list('foo').json())
         self.assertEqual(len(nbs), 4)
@@ -198,8 +199,11 b' class APITest(NotebookTestBase):'
         self.assertEqual(nbnames, expected)
 
     def test_list_dirs(self):
+        print(self.api.list().json())
         dirs = dirs_only(self.api.list().json())
         dir_names = {normalize('NFC', d['name']) for d in dirs}
+        print(dir_names)
+        print(self.top_level_dirs)
         self.assertEqual(dir_names, self.top_level_dirs)  # Excluding hidden dirs
 
     def test_list_nonexistant_dir(self):
@@ -208,8 +212,10 b' class APITest(NotebookTestBase):'
 
     def test_get_nb_contents(self):
         for d, name in self.dirs_nbs:
-            nb = self.api.read('%s.ipynb' % name, d+'/').json()
+            path = url_path_join(d, name + '.ipynb')
+            nb = self.api.read(path).json()
             self.assertEqual(nb['name'], u'%s.ipynb' % name)
+            self.assertEqual(nb['path'], path)
             self.assertEqual(nb['type'], 'notebook')
             self.assertIn('content', nb)
             self.assertEqual(nb['format'], 'json')
@@ -220,12 +226,14 b' class APITest(NotebookTestBase):'
     def test_get_contents_no_such_file(self):
         # Name that doesn't exist - should be a 404
         with assert_http_error(404):
-            self.api.read('q.ipynb', 'foo')
+            self.api.read('foo/q.ipynb')
 
     def test_get_text_file_contents(self):
         for d, name in self.dirs_nbs:
-            model = self.api.read(u'%s.txt' % name, d+'/').json()
+            path = url_path_join(d, name + '.txt')
+            model = self.api.read(path).json()
             self.assertEqual(model['name'], u'%s.txt' % name)
+            self.assertEqual(model['path'], path)
             self.assertIn('content', model)
             self.assertEqual(model['format'], 'text')
             self.assertEqual(model['type'], 'file')
@@ -233,12 +241,14 b' class APITest(NotebookTestBase):'
 
         # Name that doesn't exist - should be a 404
         with assert_http_error(404):
-            self.api.read('q.txt', 'foo')
+            self.api.read('foo/q.txt')
 
     def test_get_binary_file_contents(self):
         for d, name in self.dirs_nbs:
-            model = self.api.read(u'%s.blob' % name, d+'/').json()
+            path = url_path_join(d, name + '.blob')
+            model = self.api.read(path).json()
             self.assertEqual(model['name'], u'%s.blob' % name)
+            self.assertEqual(model['path'], path)
             self.assertIn('content', model)
             self.assertEqual(model['format'], 'base64')
             self.assertEqual(model['type'], 'file')
@@ -247,66 +257,71 b' class APITest(NotebookTestBase):'
 
         # Name that doesn't exist - should be a 404
         with assert_http_error(404):
-            self.api.read('q.txt', 'foo')
+            self.api.read('foo/q.txt')
 
-    def _check_created(self, resp, name, path, type='notebook'):
+    def _check_created(self, resp, path, type='notebook'):
         self.assertEqual(resp.status_code, 201)
         location_header = py3compat.str_to_unicode(resp.headers['Location'])
-        self.assertEqual(location_header, url_escape(url_path_join(u'/api/contents', path, name)))
+        self.assertEqual(location_header, url_escape(url_path_join(u'/api/contents', path)))
         rjson = resp.json()
-        self.assertEqual(rjson['name'], name)
+        self.assertEqual(rjson['name'], path.rsplit('/', 1)[-1])
         self.assertEqual(rjson['path'], path)
         self.assertEqual(rjson['type'], type)
         isright = os.path.isdir if type == 'directory' else os.path.isfile
         assert isright(pjoin(
             self.notebook_dir.name,
             path.replace('/', os.sep),
-            name,
         ))
 
     def test_create_untitled(self):
         resp = self.api.create_untitled(path=u'å b')
-        self._check_created(resp, 'Untitled0.ipynb', u'å b')
+        self._check_created(resp, u'å b/Untitled0.ipynb')
 
         # Second time
         resp = self.api.create_untitled(path=u'å b')
-        self._check_created(resp, 'Untitled1.ipynb', u'å b')
+        self._check_created(resp, u'å b/Untitled1.ipynb')
 
         # And two directories down
         resp = self.api.create_untitled(path='foo/bar')
-        self._check_created(resp, 'Untitled0.ipynb', 'foo/bar')
+        self._check_created(resp, 'foo/bar/Untitled0.ipynb')
 
     def test_create_untitled_txt(self):
         resp = self.api.create_untitled(path='foo/bar', ext='.txt')
-        self._check_created(resp, 'untitled0.txt', 'foo/bar', type='file')
+        self._check_created(resp, 'foo/bar/untitled0.txt', type='file')
 
-        resp = self.api.read(path='foo/bar', name='untitled0.txt')
+        resp = self.api.read(path='foo/bar/untitled0.txt')
         model = resp.json()
         self.assertEqual(model['type'], 'file')
         self.assertEqual(model['format'], 'text')
         self.assertEqual(model['content'], '')
 
-    def test_upload_untitled(self):
-        nb = new_notebook()
-        nbmodel = {'content': nb, 'type': 'notebook'}
-        resp = self.api.upload_untitled(path=u'å b',
-                                              body=json.dumps(nbmodel))
-        self._check_created(resp, 'Untitled0.ipynb', u'å b')
-
     def test_upload(self):
         nb = new_notebook()
         nbmodel = {'content': nb, 'type': 'notebook'}
-        resp = self.api.upload(u'Upload tést.ipynb', path=u'å b',
-                                              body=json.dumps(nbmodel))
-        self._check_created(resp, u'Upload tést.ipynb', u'å b')
+        path = u'å b/Upload tést.ipynb'
+        resp = self.api.upload(path, body=json.dumps(nbmodel))
+        self._check_created(resp, path)
+
+    def test_mkdir_untitled(self):
+        resp = self.api.mkdir_untitled(path=u'å b')
+        self._check_created(resp, u'å b/Untitled Folder0', type='directory')
+
+        # Second time
+        resp = self.api.mkdir_untitled(path=u'å b')
+        self._check_created(resp, u'å b/Untitled Folder1', type='directory')
+
+        # And two directories down
+        resp = self.api.mkdir_untitled(path='foo/bar')
+        self._check_created(resp, 'foo/bar/Untitled Folder0', type='directory')
 
     def test_mkdir(self):
-        resp = self.api.mkdir(u'New ∂ir', path=u'å b')
-        self._check_created(resp, u'New ∂ir', u'å b', type='directory')
+        path = u'å b/New ∂ir'
+        resp = self.api.mkdir(path)
+        self._check_created(resp, path, type='directory')
 
     def test_mkdir_hidden_400(self):
         with assert_http_error(400):
-            resp = self.api.mkdir(u'.hidden', path=u'å b')
+            resp = self.api.mkdir(u'å b/.hidden')
 
     def test_upload_txt(self):
         body = u'ünicode téxt'
@@ -315,11 +330,11 b' class APITest(NotebookTestBase):'
             'format'  : 'text',
             'type'    : 'file',
         }
-        resp = self.api.upload(u'Upload tést.txt', path=u'å b',
-                                              body=json.dumps(model))
+        path = u'å b/Upload tést.txt'
+        resp = self.api.upload(path, body=json.dumps(model))
 
         # check roundtrip
-        resp = self.api.read(path=u'å b', name=u'Upload tést.txt')
+        resp = self.api.read(path)
         model = resp.json()
         self.assertEqual(model['type'], 'file')
         self.assertEqual(model['format'], 'text')
@@ -333,13 +348,14 b' class APITest(NotebookTestBase):'
             'format'  : 'base64',
             'type'    : 'file',
         }
-        resp = self.api.upload(u'Upload tést.blob', path=u'å b',
-                                              body=json.dumps(model))
+        path = u'å b/Upload tést.blob'
+        resp = self.api.upload(path, body=json.dumps(model))
 
         # check roundtrip
-        resp = self.api.read(path=u'å b', name=u'Upload tést.blob')
+        resp = self.api.read(path)
         model = resp.json()
         self.assertEqual(model['type'], 'file')
+        self.assertEqual(model['path'], path)
         self.assertEqual(model['format'], 'base64')
         decoded = base64.decodestring(model['content'].encode('ascii'))
         self.assertEqual(decoded, body)
@@ -350,45 +366,52 b' class APITest(NotebookTestBase):'
         nb.worksheets.append(ws)
         ws.cells.append(v2.new_code_cell(input='print("hi")'))
         nbmodel = {'content': nb, 'type': 'notebook'}
-        resp = self.api.upload(u'Upload tést.ipynb', path=u'å b',
-                                              body=json.dumps(nbmodel))
-        self._check_created(resp, u'Upload tést.ipynb', u'å b')
-        resp = self.api.read(u'Upload tést.ipynb', u'å b')
+        path = u'å b/Upload tést.ipynb'
+        resp = self.api.upload(path, body=json.dumps(nbmodel))
+        self._check_created(resp, path)
+        resp = self.api.read(path)
         data = resp.json()
         self.assertEqual(data['content']['nbformat'], 4)
 
-    def test_copy_untitled(self):
-        resp = self.api.copy_untitled(u'ç d.ipynb', path=u'å b')
-        self._check_created(resp, u'ç d-Copy0.ipynb', u'å b')
-
     def test_copy(self):
-        resp = self.api.copy(u'ç d.ipynb', u'cøpy.ipynb', path=u'å b')
-        self._check_created(resp, u'cøpy.ipynb', u'å b')
+        resp = self.api.copy(u'å b/ç d.ipynb', u'unicodé')
+        self._check_created(resp, u'unicodé/ç d-Copy0.ipynb')
+        
+        resp = self.api.copy(u'å b/ç d.ipynb', u'å b')
+        self._check_created(resp, u'å b/ç d-Copy0.ipynb')
 
     def test_copy_path(self):
-        resp = self.api.copy(u'foo/a.ipynb', u'cøpyfoo.ipynb', path=u'å b')
-        self._check_created(resp, u'cøpyfoo.ipynb', u'å b')
+        resp = self.api.copy(u'foo/a.ipynb', u'å b')
+        self._check_created(resp, u'å b/a-Copy0.ipynb')
+
+    def test_copy_put_400(self):
+        with assert_http_error(400):
+            resp = self.api.copy_put(u'å b/ç d.ipynb', u'å b/cøpy.ipynb')
 
     def test_copy_dir_400(self):
         # can't copy directories
         with assert_http_error(400):
-            resp = self.api.copy(u'å b', u'å c')
+            resp = self.api.copy(u'å b', u'foo')
 
     def test_delete(self):
         for d, name in self.dirs_nbs:
-            resp = self.api.delete('%s.ipynb' % name, d)
+            print('%r, %r' % (d, name))
+            resp = self.api.delete(url_path_join(d, name + '.ipynb'))
             self.assertEqual(resp.status_code, 204)
 
         for d in self.dirs + ['/']:
             nbs = notebooks_only(self.api.list(d).json())
-            self.assertEqual(len(nbs), 0)
+            print('------')
+            print(d)
+            print(nbs)
+            self.assertEqual(nbs, [])
 
     def test_delete_dirs(self):
         # depth-first delete everything, so we don't try to delete empty directories
         for name in sorted(self.dirs + ['/'], key=len, reverse=True):
             listing = self.api.list(name).json()['content']
             for model in listing:
-                self.api.delete(model['name'], model['path'])
+                self.api.delete(model['path'])
         listing = self.api.list('/').json()['content']
         self.assertEqual(listing, [])
 
@@ -398,9 +421,10 b' class APITest(NotebookTestBase):'
             self.api.delete(u'å b')
 
     def test_rename(self):
-        resp = self.api.rename('a.ipynb', 'foo', 'z.ipynb')
+        resp = self.api.rename('foo/a.ipynb', 'foo/z.ipynb')
         self.assertEqual(resp.headers['Location'].split('/')[-1], 'z.ipynb')
         self.assertEqual(resp.json()['name'], 'z.ipynb')
+        self.assertEqual(resp.json()['path'], 'foo/z.ipynb')
         assert os.path.isfile(pjoin(self.notebook_dir.name, 'foo', 'z.ipynb'))
 
         nbs = notebooks_only(self.api.list('foo').json())
@@ -410,41 +434,31 b' class APITest(NotebookTestBase):'
 
     def test_rename_existing(self):
         with assert_http_error(409):
-            self.api.rename('a.ipynb', 'foo', 'b.ipynb')
+            self.api.rename('foo/a.ipynb', 'foo/b.ipynb')
 
     def test_save(self):
-        resp = self.api.read('a.ipynb', 'foo')
+        resp = self.api.read('foo/a.ipynb')
         nbcontent = json.loads(resp.text)['content']
         nb = from_dict(nbcontent)
         nb.cells.append(new_markdown_cell(u'Created by test ³'))
 
-        nbmodel= {'name': 'a.ipynb', 'path':'foo', 'content': nb, 'type': 'notebook'}
-        resp = self.api.save('a.ipynb', path='foo', body=json.dumps(nbmodel))
+        nbmodel= {'content': nb, 'type': 'notebook'}
+        resp = self.api.save('foo/a.ipynb', body=json.dumps(nbmodel))
 
         nbfile = pjoin(self.notebook_dir.name, 'foo', 'a.ipynb')
         with io.open(nbfile, 'r', encoding='utf-8') as f:
             newnb = read(f, as_version=4)
         self.assertEqual(newnb.cells[0].source,
                          u'Created by test ³')
-        nbcontent = self.api.read('a.ipynb', 'foo').json()['content']
+        nbcontent = self.api.read('foo/a.ipynb').json()['content']
         newnb = from_dict(nbcontent)
         self.assertEqual(newnb.cells[0].source,
                          u'Created by test ³')
 
-        # Save and rename
-        nbmodel= {'name': 'a2.ipynb', 'path':'foo/bar', 'content': nb, 'type': 'notebook'}
-        resp = self.api.save('a.ipynb', path='foo', body=json.dumps(nbmodel))
-        saved = resp.json()
-        self.assertEqual(saved['name'], 'a2.ipynb')
-        self.assertEqual(saved['path'], 'foo/bar')
-        assert os.path.isfile(pjoin(self.notebook_dir.name,'foo','bar','a2.ipynb'))
-        assert not os.path.isfile(pjoin(self.notebook_dir.name, 'foo', 'a.ipynb'))
-        with assert_http_error(404):
-            self.api.read('a.ipynb', 'foo')
 
     def test_checkpoints(self):
-        resp = self.api.read('a.ipynb', 'foo')
-        r = self.api.new_checkpoint('a.ipynb', 'foo')
+        resp = self.api.read('foo/a.ipynb')
+        r = self.api.new_checkpoint('foo/a.ipynb')
         self.assertEqual(r.status_code, 201)
         cp1 = r.json()
         self.assertEqual(set(cp1), {'id', 'last_modified'})
@@ -456,26 +470,26 b' class APITest(NotebookTestBase):'
         hcell = new_markdown_cell('Created by test')
         nb.cells.append(hcell)
         # Save
-        nbmodel= {'name': 'a.ipynb', 'path':'foo', 'content': nb, 'type': 'notebook'}
-        resp = self.api.save('a.ipynb', path='foo', body=json.dumps(nbmodel))
+        nbmodel= {'content': nb, 'type': 'notebook'}
+        resp = self.api.save('foo/a.ipynb', body=json.dumps(nbmodel))
 
         # List checkpoints
-        cps = self.api.get_checkpoints('a.ipynb', 'foo').json()
+        cps = self.api.get_checkpoints('foo/a.ipynb').json()
         self.assertEqual(cps, [cp1])
 
-        nbcontent = self.api.read('a.ipynb', 'foo').json()['content']
+        nbcontent = self.api.read('foo/a.ipynb').json()['content']
         nb = from_dict(nbcontent)
         self.assertEqual(nb.cells[0].source, 'Created by test')
 
         # Restore cp1
-        r = self.api.restore_checkpoint('a.ipynb', 'foo', cp1['id'])
+        r = self.api.restore_checkpoint('foo/a.ipynb', cp1['id'])
         self.assertEqual(r.status_code, 204)
-        nbcontent = self.api.read('a.ipynb', 'foo').json()['content']
+        nbcontent = self.api.read('foo/a.ipynb').json()['content']
         nb = from_dict(nbcontent)
         self.assertEqual(nb.cells, [])
 
         # Delete cp1
-        r = self.api.delete_checkpoint('a.ipynb', 'foo', cp1['id'])
+        r = self.api.delete_checkpoint('foo/a.ipynb', cp1['id'])
         self.assertEqual(r.status_code, 204)
-        cps = self.api.get_checkpoints('a.ipynb', 'foo').json()
+        cps = self.api.get_checkpoints('foo/a.ipynb').json()
         self.assertEqual(cps, [])

IPython/html/services/contents/tests/test_manager.py

@@ -42,7 +42,7 b' class TestFileContentsManager(TestCase):'
         with TemporaryDirectory() as td:
             root = td
             fm = FileContentsManager(root_dir=root)
-            path = fm._get_os_path('test.ipynb', '/path/to/notebook/')
+            path = fm._get_os_path('/path/to/notebook/test.ipynb')
             rel_path_list =  '/path/to/notebook/test.ipynb'.split('/')
             fs_path = os.path.join(fm.root_dir, *rel_path_list)
             self.assertEqual(path, fs_path)
@@ -53,7 +53,7 b' class TestFileContentsManager(TestCase):'
             self.assertEqual(path, fs_path)
 
             fm = FileContentsManager(root_dir=root)
-            path = fm._get_os_path('test.ipynb', '////')
+            path = fm._get_os_path('////test.ipynb')
             fs_path = os.path.join(fm.root_dir, 'test.ipynb')
             self.assertEqual(path, fs_path)
 
@@ -64,8 +64,8 b' class TestFileContentsManager(TestCase):'
             root = td
             os.mkdir(os.path.join(td, subd))
             fm = FileContentsManager(root_dir=root)
-            cp_dir = fm.get_checkpoint_path('cp', 'test.ipynb', '/')
-            cp_subdir = fm.get_checkpoint_path('cp', 'test.ipynb', '/%s/' % subd)
+            cp_dir = fm.get_checkpoint_path('cp', 'test.ipynb')
+            cp_subdir = fm.get_checkpoint_path('cp', '/%s/test.ipynb' % subd)
         self.assertNotEqual(cp_dir, cp_subdir)
         self.assertEqual(cp_dir, os.path.join(root, fm.checkpoint_dir, cp_name))
         self.assertEqual(cp_subdir, os.path.join(root, subd, fm.checkpoint_dir, cp_name))
@@ -101,46 +101,58 b' class TestContentsManager(TestCase):'
 
     def new_notebook(self):
         cm = self.contents_manager
-        model = cm.create_file()
+        model = cm.new_untitled(type='notebook')
         name = model['name']
         path = model['path']
 
-        full_model = cm.get_model(name, path)
+        full_model = cm.get_model(path)
         nb = full_model['content']
         self.add_code_cell(nb)
 
-        cm.save(full_model, name, path)
+        cm.save(full_model, path)
         return nb, name, path
 
-    def test_create_file(self):
+    def test_new_untitled(self):
         cm = self.contents_manager
         # Test in root directory
-        model = cm.create_file()
+        model = cm.new_untitled(type='notebook')
         assert isinstance(model, dict)
         self.assertIn('name', model)
         self.assertIn('path', model)
+        self.assertIn('type', model)
+        self.assertEqual(model['type'], 'notebook')
         self.assertEqual(model['name'], 'Untitled0.ipynb')
-        self.assertEqual(model['path'], '')
+        self.assertEqual(model['path'], 'Untitled0.ipynb')
 
         # Test in sub-directory
-        sub_dir = '/foo/'
-        self.make_dir(cm.root_dir, 'foo')
-        model = cm.create_file(None, sub_dir)
+        model = cm.new_untitled(type='directory')
         assert isinstance(model, dict)
         self.assertIn('name', model)
         self.assertIn('path', model)
-        self.assertEqual(model['name'], 'Untitled0.ipynb')
-        self.assertEqual(model['path'], sub_dir.strip('/'))
+        self.assertIn('type', model)
+        self.assertEqual(model['type'], 'directory')
+        self.assertEqual(model['name'], 'Untitled Folder0')
+        self.assertEqual(model['path'], 'Untitled Folder0')
+        sub_dir = model['path']
+        
+        model = cm.new_untitled(path=sub_dir)
+        assert isinstance(model, dict)
+        self.assertIn('name', model)
+        self.assertIn('path', model)
+        self.assertIn('type', model)
+        self.assertEqual(model['type'], 'file')
+        self.assertEqual(model['name'], 'untitled0')
+        self.assertEqual(model['path'], '%s/untitled0' % sub_dir)
 
     def test_get(self):
         cm = self.contents_manager
         # Create a notebook
-        model = cm.create_file()
+        model = cm.new_untitled(type='notebook')
         name = model['name']
         path = model['path']
 
         # Check that we 'get' on the notebook we just created
-        model2 = cm.get_model(name, path)
+        model2 = cm.get_model(path)
         assert isinstance(model2, dict)
         self.assertIn('name', model2)
         self.assertIn('path', model2)
@@ -150,14 +162,14 b' class TestContentsManager(TestCase):'
         # Test in sub-directory
         sub_dir = '/foo/'
         self.make_dir(cm.root_dir, 'foo')
-        model = cm.create_file(None, sub_dir)
-        model2 = cm.get_model(name, sub_dir)
+        model = cm.new_untitled(path=sub_dir, ext='.ipynb')
+        model2 = cm.get_model(sub_dir + name)
         assert isinstance(model2, dict)
         self.assertIn('name', model2)
         self.assertIn('path', model2)
         self.assertIn('content', model2)
         self.assertEqual(model2['name'], 'Untitled0.ipynb')
-        self.assertEqual(model2['path'], sub_dir.strip('/'))
+        self.assertEqual(model2['path'], '{0}/{1}'.format(sub_dir.strip('/'), name))
     
     @dec.skip_win32
     def test_bad_symlink(self):
@@ -165,7 +177,7 b' class TestContentsManager(TestCase):'
         path = 'test bad symlink'
         os_path = self.make_dir(cm.root_dir, path)
         
-        file_model = cm.create_file(path=path, ext='.txt')
+        file_model = cm.new_untitled(path=path, ext='.txt')
         
         # create a broken symlink
         os.symlink("target", os.path.join(os_path, "bad symlink"))
@@ -175,16 +187,17 b' class TestContentsManager(TestCase):'
     @dec.skip_win32
     def test_good_symlink(self):
         cm = self.contents_manager
-        path = 'test good symlink'
-        os_path = self.make_dir(cm.root_dir, path)
+        parent = 'test good symlink'
+        name = 'good symlink'
+        path = '{0}/{1}'.format(parent, name)
+        os_path = self.make_dir(cm.root_dir, parent)
         
-        file_model = cm.create_file(path=path, ext='.txt')
+        file_model = cm.new(path=parent + '/zfoo.txt')
         
         # create a good symlink
-        os.symlink(file_model['name'], os.path.join(os_path, "good symlink"))
-        symlink_model = cm.get_model(name="good symlink", path=path, content=False)
-        
-        dir_model = cm.get_model(path)
+        os.symlink(file_model['name'], os.path.join(os_path, name))
+        symlink_model = cm.get_model(path, content=False)
+        dir_model = cm.get_model(parent)
         self.assertEqual(
             sorted(dir_model['content'], key=lambda x: x['name']),
             [symlink_model, file_model],
@@ -193,53 +206,54 b' class TestContentsManager(TestCase):'
     def test_update(self):
         cm = self.contents_manager
         # Create a notebook
-        model = cm.create_file()
+        model = cm.new_untitled(type='notebook')
         name = model['name']
         path = model['path']
 
         # Change the name in the model for rename
-        model['name'] = 'test.ipynb'
-        model = cm.update(model, name, path)
+        model['path'] = 'test.ipynb'
+        model = cm.update(model, path)
         assert isinstance(model, dict)
         self.assertIn('name', model)
         self.assertIn('path', model)
         self.assertEqual(model['name'], 'test.ipynb')
 
         # Make sure the old name is gone
-        self.assertRaises(HTTPError, cm.get_model, name, path)
+        self.assertRaises(HTTPError, cm.get_model, path)
 
         # Test in sub-directory
         # Create a directory and notebook in that directory
         sub_dir = '/foo/'
         self.make_dir(cm.root_dir, 'foo')
-        model = cm.create_file(None, sub_dir)
+        model = cm.new_untitled(path=sub_dir, type='notebook')
         name = model['name']
         path = model['path']
 
         # Change the name in the model for rename
-        model['name'] = 'test_in_sub.ipynb'
-        model = cm.update(model, name, path)
+        d = path.rsplit('/', 1)[0]
+        new_path = model['path'] = d + '/test_in_sub.ipynb'
+        model = cm.update(model, path)
         assert isinstance(model, dict)
         self.assertIn('name', model)
         self.assertIn('path', model)
         self.assertEqual(model['name'], 'test_in_sub.ipynb')
-        self.assertEqual(model['path'], sub_dir.strip('/'))
+        self.assertEqual(model['path'], new_path)
 
         # Make sure the old name is gone
-        self.assertRaises(HTTPError, cm.get_model, name, path)
+        self.assertRaises(HTTPError, cm.get_model, path)
 
     def test_save(self):
         cm = self.contents_manager
         # Create a notebook
-        model = cm.create_file()
+        model = cm.new_untitled(type='notebook')
         name = model['name']
         path = model['path']
 
         # Get the model with 'content'
-        full_model = cm.get_model(name, path)
+        full_model = cm.get_model(path)
 
         # Save the notebook
-        model = cm.save(full_model, name, path)
+        model = cm.save(full_model, path)
         assert isinstance(model, dict)
         self.assertIn('name', model)
         self.assertIn('path', model)
@@ -250,18 +264,18 b' class TestContentsManager(TestCase):'
         # Create a directory and notebook in that directory
         sub_dir = '/foo/'
         self.make_dir(cm.root_dir, 'foo')
-        model = cm.create_file(None, sub_dir)
+        model = cm.new_untitled(path=sub_dir, type='notebook')
         name = model['name']
         path = model['path']
-        model = cm.get_model(name, path)
+        model = cm.get_model(path)
 
         # Change the name in the model for rename
-        model = cm.save(model, name, path)
+        model = cm.save(model, path)
         assert isinstance(model, dict)
         self.assertIn('name', model)
         self.assertIn('path', model)
         self.assertEqual(model['name'], 'Untitled0.ipynb')
-        self.assertEqual(model['path'], sub_dir.strip('/'))
+        self.assertEqual(model['path'], 'foo/Untitled0.ipynb')
 
     def test_delete(self):
         cm = self.contents_manager
@@ -269,36 +283,38 b' class TestContentsManager(TestCase):'
         nb, name, path = self.new_notebook()
 
         # Delete the notebook
-        cm.delete(name, path)
+        cm.delete(path)
 
         # Check that a 'get' on the deleted notebook raises and error
-        self.assertRaises(HTTPError, cm.get_model, name, path)
+        self.assertRaises(HTTPError, cm.get_model, path)
 
     def test_copy(self):
         cm = self.contents_manager
-        path = u'å b'
+        parent = u'å b'
         name = u'nb √.ipynb'
-        os.mkdir(os.path.join(cm.root_dir, path))
-        orig = cm.create_file({'name' : name}, path=path)
+        path = u'{0}/{1}'.format(parent, name)
+        os.mkdir(os.path.join(cm.root_dir, parent))
+        orig = cm.new(path=path)
 
         # copy with unspecified name
-        copy = cm.copy(name, path=path)
+        copy = cm.copy(path)
         self.assertEqual(copy['name'], orig['name'].replace('.ipynb', '-Copy0.ipynb'))
 
         # copy with specified name
-        copy2 = cm.copy(name, u'copy 2.ipynb', path=path)
+        copy2 = cm.copy(path, u'å b/copy 2.ipynb')
         self.assertEqual(copy2['name'], u'copy 2.ipynb')
+        self.assertEqual(copy2['path'], u'å b/copy 2.ipynb')
 
     def test_trust_notebook(self):
         cm = self.contents_manager
         nb, name, path = self.new_notebook()
 
-        untrusted = cm.get_model(name, path)['content']
+        untrusted = cm.get_model(path)['content']
         assert not cm.notary.check_cells(untrusted)
 
         # print(untrusted)
-        cm.trust_notebook(name, path)
-        trusted = cm.get_model(name, path)['content']
+        cm.trust_notebook(path)
+        trusted = cm.get_model(path)['content']
         # print(trusted)
         assert cm.notary.check_cells(trusted)
 
@@ -306,13 +322,13 b' class TestContentsManager(TestCase):'
         cm = self.contents_manager
         nb, name, path = self.new_notebook()
 
-        cm.mark_trusted_cells(nb, name, path)
+        cm.mark_trusted_cells(nb, path)
         for cell in nb.cells:
             if cell.cell_type == 'code':
                 assert not cell.metadata.trusted
 
-        cm.trust_notebook(name, path)
-        nb = cm.get_model(name, path)['content']
+        cm.trust_notebook(path)
+        nb = cm.get_model(path)['content']
         for cell in nb.cells:
             if cell.cell_type == 'code':
                 assert cell.metadata.trusted
@@ -321,12 +337,12 b' class TestContentsManager(TestCase):'
         cm = self.contents_manager
         nb, name, path = self.new_notebook()
 
-        cm.mark_trusted_cells(nb, name, path)
-        cm.check_and_sign(nb, name, path)
+        cm.mark_trusted_cells(nb, path)
+        cm.check_and_sign(nb, path)
         assert not cm.notary.check_signature(nb)
 
-        cm.trust_notebook(name, path)
-        nb = cm.get_model(name, path)['content']
-        cm.mark_trusted_cells(nb, name, path)
-        cm.check_and_sign(nb, name, path)
+        cm.trust_notebook(path)
+        nb = cm.get_model(path)['content']
+        cm.mark_trusted_cells(nb, path)
+        cm.check_and_sign(nb, path)
         assert cm.notary.check_signature(nb)

IPython/html/services/sessions/handlers.py

@@ -36,10 +36,6 b' class SessionRootHandler(IPythonHandler):'
         if model is None:
             raise web.HTTPError(400, "No JSON data provided")
         try:
-            name = model['notebook']['name']
-        except KeyError:
-            raise web.HTTPError(400, "Missing field in JSON data: notebook.name")
-        try:
             path = model['notebook']['path']
         except KeyError:
             raise web.HTTPError(400, "Missing field in JSON data: notebook.path")
@@ -50,11 +46,11 b' class SessionRootHandler(IPythonHandler):'
             kernel_name = None
 
         # Check to see if session exists
-        if sm.session_exists(name=name, path=path):
-            model = sm.get_session(name=name, path=path)
+        if sm.session_exists(path=path):
+            model = sm.get_session(path=path)
         else:
             try:
-                model = sm.create_session(name=name, path=path, kernel_name=kernel_name)
+                model = sm.create_session(path=path, kernel_name=kernel_name)
             except NoSuchKernel:
                 msg = ("The '%s' kernel is not available. Please pick another "
                        "suitable kernel instead, or install that kernel." % kernel_name)
@@ -92,8 +88,6 b' class SessionHandler(IPythonHandler):'
         changes = {}
         if 'notebook' in model:
             notebook = model['notebook']
-            if 'name' in notebook:
-                changes['name'] = notebook['name']
             if 'path' in notebook:
                 changes['path'] = notebook['path']
 

IPython/html/services/sessions/sessionmanager.py

@@ -21,7 +21,7 b' class SessionManager(LoggingConfigurable):'
     # Session database initialized below
     _cursor = None
     _connection = None
-    _columns = {'session_id', 'name', 'path', 'kernel_id'}
+    _columns = {'session_id', 'path', 'kernel_id'}
     
     @property
     def cursor(self):
@@ -29,7 +29,7 b' class SessionManager(LoggingConfigurable):'
         if self._cursor is None:
             self._cursor = self.connection.cursor()
             self._cursor.execute("""CREATE TABLE session 
-                (session_id, name, path, kernel_id)""")
+                (session_id, path, kernel_id)""")
         return self._cursor
 
     @property
@@ -44,9 +44,9 b' class SessionManager(LoggingConfigurable):'
         """Close connection once SessionManager closes"""
         self.cursor.close()
 
-    def session_exists(self, name, path):
+    def session_exists(self, path):
         """Check to see if the session for a given notebook exists"""
-        self.cursor.execute("SELECT * FROM session WHERE name=? AND path=?", (name, path))
+        self.cursor.execute("SELECT * FROM session WHERE path=?", (path,))
         reply = self.cursor.fetchone()
         if reply is None:
             return False
@@ -57,17 +57,17 b' class SessionManager(LoggingConfigurable):'
         "Create a uuid for a new session"
         return unicode_type(uuid.uuid4())
 
-    def create_session(self, name=None, path=None, kernel_name=None):
+    def create_session(self, path=None, kernel_name=None):
         """Creates a session and returns its model"""
         session_id = self.new_session_id()
         # allow nbm to specify kernels cwd
-        kernel_path = self.contents_manager.get_kernel_path(name=name, path=path)
+        kernel_path = self.contents_manager.get_kernel_path(path=path)
         kernel_id = self.kernel_manager.start_kernel(path=kernel_path,
                                                      kernel_name=kernel_name)
-        return self.save_session(session_id, name=name, path=path,
+        return self.save_session(session_id, path=path,
                                  kernel_id=kernel_id)
 
-    def save_session(self, session_id, name=None, path=None, kernel_id=None):
+    def save_session(self, session_id, path=None, kernel_id=None):
         """Saves the items for the session with the given session_id
         
         Given a session_id (and any other of the arguments), this method
@@ -78,10 +78,8 b' class SessionManager(LoggingConfigurable):'
         ----------
         session_id : str
             uuid for the session; this method must be given a session_id
-        name : str
-            the .ipynb notebook name that started the session
         path : str
-            the path to the named notebook
+            the path for the given notebook
         kernel_id : str
             a uuid for the kernel associated with this session
         
@@ -90,8 +88,8 b' class SessionManager(LoggingConfigurable):'
         model : dict
             a dictionary of the session model
         """
-        self.cursor.execute("INSERT INTO session VALUES (?,?,?,?)",
-            (session_id, name, path, kernel_id)
+        self.cursor.execute("INSERT INTO session VALUES (?,?,?)",
+            (session_id, path, kernel_id)
         )
         return self.get_session(session_id=session_id)
 
@@ -105,7 +103,7 b' class SessionManager(LoggingConfigurable):'
         ----------
         **kwargs : keyword argument
             must be given one of the keywords and values from the session database
-            (i.e. session_id, name, path, kernel_id)
+            (i.e. session_id, path, kernel_id)
 
         Returns
         -------
@@ -182,7 +180,6 b' class SessionManager(LoggingConfigurable):'
         model = {
             'id': row['session_id'],
             'notebook': {
-                'name': row['name'],
                 'path': row['path']
             },
             'kernel': self.kernel_manager.kernel_model(row['kernel_id'])

IPython/html/services/sessions/tests/test_sessionmanager.py

@@ -32,24 +32,24 b' class TestSessionManager(TestCase):'
     
     def test_get_session(self):
         sm = SessionManager(kernel_manager=DummyMKM())
-        session_id = sm.create_session(name='test.ipynb', path='/path/to/',
+        session_id = sm.create_session(path='/path/to/test.ipynb',
                                        kernel_name='bar')['id']
         model = sm.get_session(session_id=session_id)
         expected = {'id':session_id,
-                    'notebook':{'name':u'test.ipynb', 'path': u'/path/to/'},
+                    'notebook':{'path': u'/path/to/test.ipynb'},
                     'kernel': {'id':u'A', 'name': 'bar'}}
         self.assertEqual(model, expected)
 
     def test_bad_get_session(self):
         # Should raise error if a bad key is passed to the database.
         sm = SessionManager(kernel_manager=DummyMKM())
-        session_id = sm.create_session(name='test.ipynb', path='/path/to/',
+        session_id = sm.create_session(path='/path/to/test.ipynb',
                                        kernel_name='foo')['id']
         self.assertRaises(TypeError, sm.get_session, bad_id=session_id) # Bad keyword
 
     def test_get_session_dead_kernel(self):
         sm = SessionManager(kernel_manager=DummyMKM())
-        session = sm.create_session(name='test1.ipynb', path='/path/to/1/', kernel_name='python')
+        session = sm.create_session(path='/path/to/1/test1.ipynb', kernel_name='python')
         # kill the kernel
         sm.kernel_manager.shutdown_kernel(session['kernel']['id'])
         with self.assertRaises(KeyError):
@@ -61,24 +61,33 b' class TestSessionManager(TestCase):'
     def test_list_sessions(self):
         sm = SessionManager(kernel_manager=DummyMKM())
         sessions = [
-            sm.create_session(name='test1.ipynb', path='/path/to/1/', kernel_name='python'),
-            sm.create_session(name='test2.ipynb', path='/path/to/2/', kernel_name='python'),
-            sm.create_session(name='test3.ipynb', path='/path/to/3/', kernel_name='python'),
+            sm.create_session(path='/path/to/1/test1.ipynb', kernel_name='python'),
+            sm.create_session(path='/path/to/2/test2.ipynb', kernel_name='python'),
+            sm.create_session(path='/path/to/3/test3.ipynb', kernel_name='python'),
         ]
         sessions = sm.list_sessions()
-        expected = [{'id':sessions[0]['id'], 'notebook':{'name':u'test1.ipynb', 
-                    'path': u'/path/to/1/'}, 'kernel':{'id':u'A', 'name':'python'}},
-                    {'id':sessions[1]['id'], 'notebook': {'name':u'test2.ipynb', 
-                    'path': u'/path/to/2/'}, 'kernel':{'id':u'B', 'name':'python'}},
-                    {'id':sessions[2]['id'], 'notebook':{'name':u'test3.ipynb', 
-                    'path': u'/path/to/3/'}, 'kernel':{'id':u'C', 'name':'python'}}]
+        expected = [
+            {
+                'id':sessions[0]['id'],
+                'notebook':{'path': u'/path/to/1/test1.ipynb'},
+                'kernel':{'id':u'A', 'name':'python'}
+            }, {
+                'id':sessions[1]['id'],
+                'notebook': {'path': u'/path/to/2/test2.ipynb'},
+                'kernel':{'id':u'B', 'name':'python'}
+            }, {
+                'id':sessions[2]['id'],
+                'notebook':{'path': u'/path/to/3/test3.ipynb'},
+                'kernel':{'id':u'C', 'name':'python'}
+            }
+        ]
         self.assertEqual(sessions, expected)
 
     def test_list_sessions_dead_kernel(self):
         sm = SessionManager(kernel_manager=DummyMKM())
         sessions = [
-            sm.create_session(name='test1.ipynb', path='/path/to/1/', kernel_name='python'),
-            sm.create_session(name='test2.ipynb', path='/path/to/2/', kernel_name='python'),
+            sm.create_session(path='/path/to/1/test1.ipynb', kernel_name='python'),
+            sm.create_session(path='/path/to/2/test2.ipynb', kernel_name='python'),
         ]
         # kill one of the kernels
         sm.kernel_manager.shutdown_kernel(sessions[0]['kernel']['id'])
@@ -87,8 +96,7 b' class TestSessionManager(TestCase):'
             {
                 'id': sessions[1]['id'],
                 'notebook': {
-                    'name': u'test2.ipynb',
-                    'path': u'/path/to/2/',
+                    'path': u'/path/to/2/test2.ipynb',
                 },
                 'kernel': {
                     'id': u'B',
@@ -100,41 +108,47 b' class TestSessionManager(TestCase):'
 
     def test_update_session(self):
         sm = SessionManager(kernel_manager=DummyMKM())
-        session_id = sm.create_session(name='test.ipynb', path='/path/to/',
+        session_id = sm.create_session(path='/path/to/test.ipynb',
                                        kernel_name='julia')['id']
-        sm.update_session(session_id, name='new_name.ipynb')
+        sm.update_session(session_id, path='/path/to/new_name.ipynb')
         model = sm.get_session(session_id=session_id)
         expected = {'id':session_id,
-                    'notebook':{'name':u'new_name.ipynb', 'path': u'/path/to/'},
+                    'notebook':{'path': u'/path/to/new_name.ipynb'},
                     'kernel':{'id':u'A', 'name':'julia'}}
         self.assertEqual(model, expected)
     
     def test_bad_update_session(self):
         # try to update a session with a bad keyword ~ raise error
         sm = SessionManager(kernel_manager=DummyMKM())
-        session_id = sm.create_session(name='test.ipynb', path='/path/to/',
+        session_id = sm.create_session(path='/path/to/test.ipynb',
                                        kernel_name='ir')['id']
         self.assertRaises(TypeError, sm.update_session, session_id=session_id, bad_kw='test.ipynb') # Bad keyword
 
     def test_delete_session(self):
         sm = SessionManager(kernel_manager=DummyMKM())
         sessions = [
-            sm.create_session(name='test1.ipynb', path='/path/to/1/', kernel_name='python'),
-            sm.create_session(name='test2.ipynb', path='/path/to/2/', kernel_name='python'),
-            sm.create_session(name='test3.ipynb', path='/path/to/3/', kernel_name='python'),
+            sm.create_session(path='/path/to/1/test1.ipynb', kernel_name='python'),
+            sm.create_session(path='/path/to/2/test2.ipynb', kernel_name='python'),
+            sm.create_session(path='/path/to/3/test3.ipynb', kernel_name='python'),
         ]
         sm.delete_session(sessions[1]['id'])
         new_sessions = sm.list_sessions()
-        expected = [{'id':sessions[0]['id'], 'notebook':{'name':u'test1.ipynb', 
-                    'path': u'/path/to/1/'}, 'kernel':{'id':u'A', 'name':'python'}},
-                    {'id':sessions[2]['id'], 'notebook':{'name':u'test3.ipynb', 
-                    'path': u'/path/to/3/'}, 'kernel':{'id':u'C', 'name':'python'}}]
+        expected = [{
+                'id': sessions[0]['id'],
+                'notebook': {'path': u'/path/to/1/test1.ipynb'},
+                'kernel': {'id':u'A', 'name':'python'}
+            }, {
+                'id': sessions[2]['id'],
+                'notebook': {'path': u'/path/to/3/test3.ipynb'},
+                'kernel': {'id':u'C', 'name':'python'}
+            }
+        ]
         self.assertEqual(new_sessions, expected)
 
     def test_bad_delete_session(self):
         # try to delete a session that doesn't exist ~ raise error
         sm = SessionManager(kernel_manager=DummyMKM())
-        sm.create_session(name='test.ipynb', path='/path/to/', kernel_name='python')
+        sm.create_session(path='/path/to/test.ipynb', kernel_name='python')
         self.assertRaises(TypeError, sm.delete_session, bad_kwarg='23424') # Bad keyword
         self.assertRaises(web.HTTPError, sm.delete_session, session_id='23424') # nonexistant
 

IPython/html/services/sessions/tests/test_sessions_api.py

@@ -38,13 +38,13 b' class SessionAPI(object):'
     def get(self, id):
         return self._req('GET', id)
 
-    def create(self, name, path, kernel_name='python'):
-        body = json.dumps({'notebook': {'name':name, 'path':path},
+    def create(self, path, kernel_name='python'):
+        body = json.dumps({'notebook': {'path':path},
                            'kernel': {'name': kernel_name}})
         return self._req('POST', '', body)
 
-    def modify(self, id, name, path):
-        body = json.dumps({'notebook': {'name':name, 'path':path}})
+    def modify(self, id, path):
+        body = json.dumps({'notebook': {'path':path}})
         return self._req('PATCH', id, body)
 
     def delete(self, id):
@@ -78,12 +78,11 b' class SessionAPITest(NotebookTestBase):'
         sessions = self.sess_api.list().json()
         self.assertEqual(len(sessions), 0)
 
-        resp = self.sess_api.create('nb1.ipynb', 'foo')
+        resp = self.sess_api.create('foo/nb1.ipynb')
         self.assertEqual(resp.status_code, 201)
         newsession = resp.json()
         self.assertIn('id', newsession)
-        self.assertEqual(newsession['notebook']['name'], 'nb1.ipynb')
-        self.assertEqual(newsession['notebook']['path'], 'foo')
+        self.assertEqual(newsession['notebook']['path'], 'foo/nb1.ipynb')
         self.assertEqual(resp.headers['Location'], '/api/sessions/{0}'.format(newsession['id']))
 
         sessions = self.sess_api.list().json()
@@ -95,7 +94,7 b' class SessionAPITest(NotebookTestBase):'
         self.assertEqual(got, newsession)
 
     def test_delete(self):
-        newsession = self.sess_api.create('nb1.ipynb', 'foo').json()
+        newsession = self.sess_api.create('foo/nb1.ipynb').json()
         sid = newsession['id']
 
         resp = self.sess_api.delete(sid)
@@ -108,10 +107,9 b' class SessionAPITest(NotebookTestBase):'
             self.sess_api.get(sid)
 
     def test_modify(self):
-        newsession = self.sess_api.create('nb1.ipynb', 'foo').json()
+        newsession = self.sess_api.create('foo/nb1.ipynb').json()
         sid = newsession['id']
 
-        changed = self.sess_api.modify(sid, 'nb2.ipynb', '').json()
+        changed = self.sess_api.modify(sid, 'nb2.ipynb').json()
         self.assertEqual(changed['id'], sid)
-        self.assertEqual(changed['notebook']['name'], 'nb2.ipynb')
-        self.assertEqual(changed['notebook']['path'], '')
+        self.assertEqual(changed['notebook']['path'], 'nb2.ipynb')

IPython/html/static/base/js/utils.js

@@ -272,11 +272,11 b' define(['
                 } else {
                     line = "background-color: ";
                 }
-                line = line + "rgb(" + r + "," + g + "," + b + ");"
-                if ( !attrs["style"] ) {
-                    attrs["style"] = line;
+                line = line + "rgb(" + r + "," + g + "," + b + ");";
+                if ( !attrs.style ) {
+                    attrs.style = line;
                 } else {
-                    attrs["style"] += " " + line;
+                    attrs.style += " " + line;
                 }
             }
         }
@@ -285,7 +285,7 b' define(['
     function ansispan(str) {
         // ansispan function adapted from github.com/mmalecki/ansispan (MIT License)
         // regular ansi escapes (using the table above)
-        var is_open = false
+        var is_open = false;
         return str.replace(/\033\[(0?[01]|22|39)?([;\d]+)?m/g, function(match, prefix, pattern) {
             if (!pattern) {
                 // [(01|22|39|)m close spans
@@ -313,7 +313,7 b' define(['
                 return span + ">";
             }
         });
-    };
+    }
 
     // Transform ANSI color escape codes into HTML <span> tags with css
     // classes listed in the above ansi_colormap object. The actual color used
@@ -392,6 +392,18 b' define(['
         return url;
     };
     
+    var url_path_split = function (path) {
+        // Like os.path.split for URLs.
+        // Always returns two strings, the directory path and the base filename
+        
+        var idx = path.lastIndexOf('/');
+        if (idx === -1) {
+            return ['', path];
+        } else {
+            return [ path.slice(0, idx), path.slice(idx + 1) ];
+        }
+    };
+    
     var parse_url = function (url) {
         // an `a` element with an href allows attr-access to the parsed segments of a URL
         // a = parse_url("http://localhost:8888/path/name#hash")
@@ -577,7 +589,7 b' define(['
         wrapped_error.xhr_status = status;
         wrapped_error.xhr_error = error;
         return wrapped_error;
-    }
+    };
     
     var utils = {
         regex_split : regex_split,
@@ -588,6 +600,7 b' define(['
         points_to_pixels : points_to_pixels,
         get_body_data : get_body_data,
         parse_url : parse_url,
+        url_path_split : url_path_split,
         url_path_join : url_path_join,
         url_join_encode : url_join_encode,
         encode_uri_components : encode_uri_components,

IPython/html/static/notebook/js/main.js

@@ -151,6 +151,6 b' require(['
     IPython.tooltip = notebook.tooltip;
 
     events.trigger('app_initialized.NotebookApp');
-    notebook.load_notebook(common_options.notebook_name, common_options.notebook_path);
+    notebook.load_notebook(common_options.notebook_path);
 
 });

IPython/html/static/notebook/js/menubar.js

@@ -2,13 +2,14 b''
 // Distributed under the terms of the Modified BSD License.
 
 define([
-    'base/js/namespace',
     'jquery',
+    'base/js/namespace',
+    'base/js/dialog',
     'base/js/utils',
     'notebook/js/tour',
     'bootstrap',
     'moment',
-], function(IPython, $, utils, tour, bootstrap, moment) {
+], function($, IPython, dialog, utils, tour, bootstrap, moment) {
     "use strict";
     
     var MenuBar = function (selector, options) {
@@ -89,14 +90,14 b' define(['
         this.element.find('#new_notebook').click(function () {
             // Create a new notebook in the same path as the current
             // notebook's path.
-            that.contents.new(that.notebook.notebook_path, null, {
-                    ext: ".ipynb",
+            var parent = utils.url_path_split(that.notebook.notebook_path)[0];
+            that.contents.new_untitled(parent, {
+                    type: "notebook",
                     extra_settings: {async: false},  // So we can open a new window afterwards
                     success: function (data) {
                         window.open(
                             utils.url_join_encode(
-                                that.base_url, 'notebooks',
-                                data.path, data.name
+                                that.base_url, 'notebooks', data.path
                             ), '_blank');
                         },
                     error: function(error) {

IPython/html/static/notebook/js/notebook.js

@@ -212,13 +212,13 b' define(['
         });
 
         this.events.on('kernel_ready.Kernel', function(event, data) {
-            var kinfo = data.kernel.info_reply
+            var kinfo = data.kernel.info_reply;
             var langinfo = kinfo.language_info || {};
             if (!langinfo.name)  langinfo.name = kinfo.language;
                 
             that.metadata.language_info = langinfo;
             // Mode 'null' should be plain, unhighlighted text.
-            var cm_mode = langinfo.codemirror_mode || langinfo.language || 'null'
+            var cm_mode = langinfo.codemirror_mode || langinfo.language || 'null';
             that.set_codemirror_mode(cm_mode);
         });
 
@@ -1029,7 +1029,7 b' define(['
                     text = '';
                 }
                 // metadata
-                target_cell.metadata = source_cell.metadata
+                target_cell.metadata = source_cell.metadata;
                 // We must show the editor before setting its contents
                 target_cell.unrender();
                 target_cell.set_text(text);
@@ -1231,8 +1231,6 b' define(['
      * @method split_cell
      */
     Notebook.prototype.split_cell = function () {
-        var mdc = textcell.MarkdownCell;
-        var rc = textcell.RawCell;
         var cell = this.get_selected_cell();
         if (cell.is_splittable()) {
             var texta = cell.get_pre_cursor();
@@ -1251,8 +1249,6 b' define(['
      * @method merge_cell_above
      */
     Notebook.prototype.merge_cell_above = function () {
-        var mdc = textcell.MarkdownCell;
-        var rc = textcell.RawCell;
         var index = this.get_selected_index();
         var cell = this.get_cell(index);
         var render = cell.rendered;
@@ -1288,8 +1284,6 b' define(['
      * @method merge_cell_below
      */
     Notebook.prototype.merge_cell_below = function () {
-        var mdc = textcell.MarkdownCell;
-        var rc = textcell.RawCell;
         var index = this.get_selected_index();
         var cell = this.get_cell(index);
         var render = cell.rendered;
@@ -1523,9 +1517,9 b' define(['
         }
         this.codemirror_mode = newmode;
         codecell.CodeCell.options_default.cm_config.mode = newmode;
-        modename = newmode.mode || newmode.name || newmode;
+        var modename = newmode.mode || newmode.name || newmode;
         
-        that = this;
+        var that = this;
         utils.requireCodeMirrorMode(modename, function () {
             $.map(that.get_cells(), function(cell, i) {
                 if (cell.cell_type === 'code'){
@@ -1547,7 +1541,6 b' define(['
      * @method start_session
      */
     Notebook.prototype.start_session = function (kernel_name) {
-        var that = this;
         if (this._session_starting) {
             throw new session.SessionAlreadyStarting();
         }
@@ -1629,7 +1622,6 b' define(['
     Notebook.prototype.execute_cell = function () {
         // mode = shift, ctrl, alt
         var cell = this.get_selected_cell();
-        var cell_index = this.find_cell_index(cell);
         
         cell.execute();
         this.command_mode();
@@ -1758,7 +1750,9 b' define(['
      * @param {String} name A new name for this notebook
      */
     Notebook.prototype.set_notebook_name = function (name) {
+        var parent = utils.url_path_split(this.notebook_path)[0];
         this.notebook_name = name;
+        this.notebook_path = utils.url_path_join(parent, name);
     };
 
     /**
@@ -1795,6 +1789,7 b' define(['
         // Save the metadata and name.
         this.metadata = content.metadata;
         this.notebook_name = data.name;
+        this.notebook_path = data.path;
         var trusted = true;
         
         // Trigger an event changing the kernel spec - this will set the default
@@ -1807,7 +1802,7 b' define(['
         if (this.metadata.language_info !== undefined) {
             var langinfo = this.metadata.language_info;
             // Mode 'null' should be plain, unhighlighted text.
-            var cm_mode = langinfo.codemirror_mode || langinfo.language || 'null'
+            var cm_mode = langinfo.codemirror_mode || langinfo.language || 'null';
             this.set_codemirror_mode(cm_mode);
         }
         
@@ -1900,8 +1895,6 b' define(['
     Notebook.prototype.save_notebook = function (extra_settings) {
         // Create a JSON model to be sent to the server.
         var model = {
-            name : this.notebook_name,
-            path : this.notebook_path,
             type : "notebook",
             content : this.toJSON()
         };
@@ -1909,11 +1902,11 b' define(['
         var start =  new Date().getTime();
 
         var that = this;
-        this.contents.save(this.notebook_path, this.notebook_name, model, {
+        this.contents.save(this.notebook_path, model, {
                 extra_settings: extra_settings,
                 success: $.proxy(this.save_notebook_success, this, start),
                 error: function (error) {
-                    that.events.trigger('notebook_save_failed.Notebook');
+                    that.events.trigger('notebook_save_failed.Notebook', error);
                 }
             });
     };
@@ -2031,15 +2024,15 b' define(['
 
     Notebook.prototype.copy_notebook = function(){
         var base_url = this.base_url;
-        this.contents.copy(this.notebook_path, null, this.notebook_name, {
+        var parent = utils.url_path_split(this.notebook_path)[0];
+        this.contents.copy(this.notebook_path, parent, {
             // synchronous so we can open a new window on success
             extra_settings: {async: false},
             success: function (data) {
                 window.open(utils.url_join_encode(
-                    base_url, 'notebooks', data.path, data.name
+                    base_url, 'notebooks', data.path
                 ), '_blank');
-            },
-            error : utils.log_ajax_error
+            }
         });
     };
 
@@ -2049,11 +2042,13 b' define(['
         }
 
         var that = this;
-        this.contents.rename(this.notebook_path, this.notebook_name,
-                             this.notebook_path, new_name, {
+        var parent = utils.url_path_split(this.notebook_path)[0];
+        var new_path = utils.url_path_join(parent, new_name);
+        this.contents.rename(this.notebook_path, new_path, {
             success: function (json) {
-                var name = that.notebook_name = json.name;
-                that.session.rename_notebook(name, json.path);
+                that.notebook_name = json.name;
+                that.notebook_path = json.path;
+                that.session.rename_notebook(json.path);
                 that.events.trigger('notebook_renamed.Notebook', json);
             },
             error: $.proxy(this.rename_error, this)
@@ -2061,7 +2056,7 b' define(['
     };
 
     Notebook.prototype.delete = function () {
-        this.contents.delete(this.notebook_name, this.notebook_path);
+        this.contents.delete(this.notebook_path);
     };
 
     Notebook.prototype.rename_error = function (error) {
@@ -2100,13 +2095,13 b' define(['
      * Request a notebook's data from the server.
      * 
      * @method load_notebook
-     * @param {String} notebook_name and path A notebook to load
+     * @param {String} notebook_path A notebook to load
      */
-    Notebook.prototype.load_notebook = function (notebook_name, notebook_path) {
-        this.notebook_name = notebook_name;
+    Notebook.prototype.load_notebook = function (notebook_path) {
         this.notebook_path = notebook_path;
+        this.notebook_name = utils.url_path_split(this.notebook_path)[1];
         this.events.trigger('notebook_loading.Notebook');
-        this.contents.load(notebook_path, notebook_name, {
+        this.contents.get(notebook_path, {
             success: $.proxy(this.load_notebook_success, this),
             error: $.proxy(this.load_notebook_error, this)
         });
@@ -2121,7 +2116,7 b' define(['
      * @param {Object} data JSON representation of a notebook
      */
     Notebook.prototype.load_notebook_success = function (data) {
-        var failed;
+        var failed, msg;
         try {
             this.fromJSON(data);
         } catch (e) {
@@ -2146,12 +2141,11 b' define(['
             }
 
             if (data.message) {
-                var msg;
                 if (failed) {
-                    msg = "The notebook also failed validation:"
+                    msg = "The notebook also failed validation:";
                 } else {
                     msg = "An invalid notebook may not function properly." +
-                    " The validation error was:"
+                    " The validation error was:";
                 }
                 body.append($("<p>").text(
                     msg
@@ -2192,7 +2186,7 b' define(['
                 src = " a newer notebook format ";
             }
             
-            var msg = "This notebook has been converted from" + src +
+            msg = "This notebook has been converted from" + src +
             "(v"+orig_nbformat+") to the current notebook " +
             "format (v"+nbmodel.nbformat+"). The next time you save this notebook, the " +
             "current notebook format will be used.";
@@ -2219,7 +2213,7 b' define(['
             var that = this;
             var orig_vs = 'v' + nbmodel.nbformat + '.' + orig_nbformat_minor;
             var this_vs = 'v' + nbmodel.nbformat + '.' + this.nbformat_minor;
-            var msg = "This notebook is version " + orig_vs + ", but we only fully support up to " +
+            msg = "This notebook is version " + orig_vs + ", but we only fully support up to " +
             this_vs + ".  You can still work with this notebook, but some features " +
             "introduced in later notebook versions may not be available.";
 
@@ -2270,7 +2264,7 b' define(['
     Notebook.prototype.load_notebook_error = function (error) {
         this.events.trigger('notebook_load_failed.Notebook', error);
         var msg;
-        if (error.name = utils.XHR_ERROR && error.xhr.status === 500) {
+        if (error.name === utils.XHR_ERROR && error.xhr.status === 500) {
             utils.log_ajax_error(error.xhr, error.xhr_status, error.xhr_error);
             msg = "An unknown error occurred while loading this notebook. " +
             "This version can load notebook formats " +
@@ -2330,10 +2324,10 b' define(['
      */
     Notebook.prototype.list_checkpoints = function () {
         var that = this;
-        this.contents.list_checkpoints(this.notebook_path, this.notebook_name, {
+        this.contents.list_checkpoints(this.notebook_path, {
             success: $.proxy(this.list_checkpoints_success, this),
             error: function(error) {
-                that.events.trigger('list_checkpoints_failed.Notebook');
+                that.events.trigger('list_checkpoints_failed.Notebook', error);
             }
         });
     };
@@ -2362,10 +2356,10 b' define(['
      */
     Notebook.prototype.create_checkpoint = function () {
         var that = this;
-        this.contents.create_checkpoint(this.notebook_path, this.notebook_name, {
+        this.contents.create_checkpoint(this.notebook_path, {
             success: $.proxy(this.create_checkpoint_success, this),
             error: function (error) {
-                that.events.trigger('checkpoint_failed.Notebook');
+                that.events.trigger('checkpoint_failed.Notebook', error);
             }
         });
     };
@@ -2432,11 +2426,11 b' define(['
     Notebook.prototype.restore_checkpoint = function (checkpoint) {
         this.events.trigger('notebook_restoring.Notebook', checkpoint);
         var that = this;
-        this.contents.restore_checkpoint(this.notebook_path, this.notebook_name,
+        this.contents.restore_checkpoint(this.notebook_path,
                                          checkpoint, {
             success: $.proxy(this.restore_checkpoint_success, this),
             error: function (error) {
-                that.events.trigger('checkpoint_restore_failed.Notebook');
+                that.events.trigger('checkpoint_restore_failed.Notebook', error);
             }
         });
     };
@@ -2448,7 +2442,7 b' define(['
      */
     Notebook.prototype.restore_checkpoint_success = function () {
         this.events.trigger('checkpoint_restored.Notebook');
-        this.load_notebook(this.notebook_name, this.notebook_path);
+        this.load_notebook(this.notebook_path);
     };
 
     /**
@@ -2460,7 +2454,7 b' define(['
     Notebook.prototype.delete_checkpoint = function (checkpoint) {
         this.events.trigger('notebook_restoring.Notebook', checkpoint);
         var that = this;
-        this.contents.delete_checkpoint(this.notebook_path, this.notebook_name, 
+        this.contents.delete_checkpoint(this.notebook_path, 
                                         checkpoint, {
             success: $.proxy(this.delete_checkpoint_success, this),
             error: function (error) {
@@ -2476,7 +2470,7 b' define(['
      */
     Notebook.prototype.delete_checkpoint_success = function () {
         this.events.trigger('checkpoint_deleted.Notebook');
-        this.load_notebook(this.notebook_name, this.notebook_path);
+        this.load_notebook(this.notebook_path);
     };
 
 

IPython/html/static/notebook/js/savewidget.js

@@ -122,14 +122,12 b' define(['
 
     SaveWidget.prototype.update_address_bar = function(){
         var base_url = this.notebook.base_url;
-        var nbname = this.notebook.notebook_name;
         var path = this.notebook.notebook_path;
-        var state = {path : path, name: nbname};
+        var state = {path : path};
         window.history.replaceState(state, "", utils.url_join_encode(
             base_url,
             "notebooks",
-            path,
-            nbname)
+            path)
         );
     };
 
@@ -199,7 +197,7 b' define(['
                 $.proxy(that._regularly_update_checkpoint_date, that),
                 t + 1000
             );
-        }
+        };
         var tdelta = Math.ceil(new Date()-this._checkpoint_date);
 
         // update regularly for the first 6hours and show

IPython/html/static/services/contents.js

@@ -29,8 +29,9 b' define(['
         // An error representing the result of attempting to delete a non-empty
         // directory.
         this.message = 'A directory must be empty before being deleted.';
-    }
-    Contents.DirectoryNotEmptyError.prototype = new Error;
+    };
+    
+    Contents.DirectoryNotEmptyError.prototype = Object.create(Error.prototype);
     Contents.DirectoryNotEmptyError.prototype.name =
         Contents.DIRECTORY_NOT_EMPTY_ERROR;
 
@@ -54,29 +55,28 b' define(['
      */
     Contents.prototype.create_basic_error_handler = function(callback) {
         if (!callback) {
-            return function(xhr, status, error) { };
+            return utils.log_ajax_error;
         }
         return function(xhr, status, error) {
             callback(utils.wrap_ajax_error(xhr, status, error));
         };
-    }
+    };
 
     /**
      * File Functions (including notebook operations)
      */
 
     /**
-     * Load a file.
+     * Get a file.
      *
      * Calls success with file JSON model, or error with error.
      *
-     * @method load_notebook
+     * @method get
      * @param {String} path
-     * @param {String} name
      * @param {Function} success
      * @param {Function} error
      */
-    Contents.prototype.load = function (path, name, options) {
+    Contents.prototype.get = function (path, options) {
         // We do the call with settings so we can set cache to false.
         var settings = {
             processData : false,
@@ -86,32 +86,29 b' define(['
             success : options.success,
             error : this.create_basic_error_handler(options.error)
         };
-        var url = this.api_url(path, name);
+        var url = this.api_url(path);
         $.ajax(url, settings);
     };
 
 
     /**
-     * Creates a new notebook file at the specified directory path.
+     * Creates a new untitled file or directory in the specified directory path.
      *
-     * @method scroll_to_cell
-     * @param {String} path The path to create the new notebook at
-     * @param {String} name Name for new file. Chosen by server if unspecified.
+     * @method new
+     * @param {String} path: the directory in which to create the new file/directory
      * @param {Object} options:
-     *      ext: file extension to use if name unspecified
+     *      ext: file extension to use
+     *      type: model type to create ('notebook', 'file', or 'directory')
      */
-    Contents.prototype.new = function(path, name, options) {
-        var method, data;
-        if (name) {
-            method = "PUT";
-        } else {
-            method = "POST";
-            data = JSON.stringify({ext: options.ext || ".ipynb"});
-        }
+    Contents.prototype.new_untitled = function(path, options) {
+        var data = JSON.stringify({
+          ext: options.ext,
+          type: options.type
+        });
 
         var settings = {
             processData : false,
-            type : method,
+            type : "POST",
             data: data,
             dataType : "json",
             success : options.success || function() {},
@@ -123,9 +120,8 b' define(['
         $.ajax(this.api_url(path), settings);
     };
 
-    Contents.prototype.delete = function(name, path, options) {
+    Contents.prototype.delete = function(path, options) {
         var error_callback = options.error || function() {};
-        var that = this;
         var settings = {
             processData : false,
             type : "DELETE",
@@ -140,12 +136,12 b' define(['
                 error_callback(utils.wrap_ajax_error(xhr, status, error));
             }
         };
-        var url = this.api_url(path, name);
+        var url = this.api_url(path);
         $.ajax(url, settings);
     };
 
-    Contents.prototype.rename = function(path, name, new_path, new_name, options) {
-        var data = {name: new_name, path: new_path};
+    Contents.prototype.rename = function(path, new_path, options) {
+        var data = {path: new_path};
         var settings = {
             processData : false,
             type : "PATCH",
@@ -155,11 +151,11 b' define(['
             success : options.success || function() {},
             error : this.create_basic_error_handler(options.error)
         };
-        var url = this.api_url(path, name);
+        var url = this.api_url(path);
         $.ajax(url, settings);
     };
 
-    Contents.prototype.save = function(path, name, model, options) {
+    Contents.prototype.save = function(path, model, options) {
         // We do the call with settings so we can set cache to false.
         var settings = {
             processData : false,
@@ -172,24 +168,19 b' define(['
         if (options.extra_settings) {
             $.extend(settings, options.extra_settings);
         }
-        var url = this.api_url(path, name);
+        var url = this.api_url(path);
         $.ajax(url, settings);
     };
     
-    Contents.prototype.copy = function(to_path, to_name, from, options) {
-        var url, method;
-        if (to_name) {
-            url = this.api_url(to_path, to_name);
-            method = "PUT";
-        } else {
-            url = this.api_url(to_path);
-            method = "POST";
-        }
+    Contents.prototype.copy = function(from_file, to_dir, options) {
+        // Copy a file into a given directory via POST
+        // The server will select the name of the copied file
+        var url = this.api_url(to_dir);
         
         var settings = {
             processData : false,
-            type: method,
-            data: JSON.stringify({copy_from: from}),
+            type: "POST",
+            data: JSON.stringify({copy_from: from_file}),
             dataType : "json",
             success: options.success || function() {},
             error: this.create_basic_error_handler(options.error)
@@ -204,8 +195,8 b' define(['
      * Checkpointing Functions
      */
 
-    Contents.prototype.create_checkpoint = function(path, name, options) {
-        var url = this.api_url(path, name, 'checkpoints');
+    Contents.prototype.create_checkpoint = function(path, options) {
+        var url = this.api_url(path, 'checkpoints');
         var settings = {
             type : "POST",
             success: options.success || function() {},
@@ -214,8 +205,8 b' define(['
         $.ajax(url, settings);
     };
 
-    Contents.prototype.list_checkpoints = function(path, name, options) {
-        var url = this.api_url(path, name, 'checkpoints');
+    Contents.prototype.list_checkpoints = function(path, options) {
+        var url = this.api_url(path, 'checkpoints');
         var settings = {
             type : "GET",
             success: options.success,
@@ -224,8 +215,8 b' define(['
         $.ajax(url, settings);
     };
 
-    Contents.prototype.restore_checkpoint = function(path, name, checkpoint_id, options) {
-        var url = this.api_url(path, name, 'checkpoints', checkpoint_id);
+    Contents.prototype.restore_checkpoint = function(path, checkpoint_id, options) {
+        var url = this.api_url(path, 'checkpoints', checkpoint_id);
         var settings = {
             type : "POST",
             success: options.success || function() {},
@@ -234,8 +225,8 b' define(['
         $.ajax(url, settings);
     };
 
-    Contents.prototype.delete_checkpoint = function(path, name, checkpoint_id, options) {
-        var url = this.api_url(path, name, 'checkpoints', checkpoint_id);
+    Contents.prototype.delete_checkpoint = function(path, checkpoint_id, options) {
+        var url = this.api_url(path, 'checkpoints', checkpoint_id);
         var settings = {
             type : "DELETE",
             success: options.success || function() {},
@@ -255,10 +246,8 b' define(['
      * representing individual files or directories.  Each dictionary has
      * the keys:
      *     type: "notebook" or "directory"
-     *     name: the name of the file or directory
      *     created: created date
      *     last_modified: last modified dat
-     *     path: the path
      * @method list_notebooks
      * @param {String} path The path to list notebooks in
      * @param {Function} load_callback called with list of notebooks on success

IPython/html/static/services/sessions/session.js

@@ -15,7 +15,6 b' define(['
      * all other operations, the kernel object should be used.
      *
      * Options should include:
-     *  - notebook_name: the notebook name
      *  - notebook_path: the path (not including name) to the notebook
      *  - kernel_name: the type of kernel (e.g. python3)
      *  - base_url: the root url of the notebook server
@@ -28,7 +27,6 b' define(['
     var Session = function (options) {
         this.id = null;
         this.notebook_model = {
-            name: options.notebook_name,
             path: options.notebook_path
         };
         this.kernel_model = {
@@ -154,15 +152,11 b' define(['
      * undefined, then they will not be changed.
      *
      * @function rename_notebook
-     * @param {string} [name] - new notebook name
-     * @param {string} [path] - new path to notebook
+     * @param {string} [path] - new notebook path
      * @param {function} [success] - function executed on ajax success
      * @param {function} [error] - functon executed on ajax error
      */
-    Session.prototype.rename_notebook = function (name, path, success, error) {
-        if (name !== undefined) {
-            this.notebook_model.name = name;
-        }
+    Session.prototype.rename_notebook = function (path, success, error) {
         if (path !== undefined) {
             this.notebook_model.path = path;
         }
@@ -208,7 +202,6 b' define(['
      * fresh. If options are given, they can include any of the
      * following:
      *
-     * - notebook_name - the name of the notebook
      * - notebook_path - the path to the notebook
      * - kernel_name - the name (type) of the kernel
      *
@@ -220,9 +213,6 b' define(['
     Session.prototype.restart = function (options, success, error) {
         var that = this;
         var start = function () {
-            if (options && options.notebook_name) {
-                that.notebook_model.name = options.notebook_name;
-            }
             if (options && options.notebook_path) {
                 that.notebook_model.path = options.notebook_path;
             }
@@ -238,8 +228,8 b' define(['
     // Helper functions
 
     /**
-     * Get the data model for the session, which includes the notebook
-     * (name and path) and kernel (name and id).
+     * Get the data model for the session, which includes the notebook path
+     * and kernel (name and id).
      *
      * @function _get_model
      * @returns {Object} - the data model
@@ -266,7 +256,6 b' define(['
             this.session_url = utils.url_join_encode(this.session_service_url, this.id);
         }
         if (data && data.notebook) {
-            this.notebook_model.name = data.notebook.name;
             this.notebook_model.path = data.notebook.path;
         }
         if (data && data.kernel) {

IPython/html/static/tree/js/main.js

@@ -2,8 +2,9 b''
 // Distributed under the terms of the Modified BSD License.
 
 require([
-    'base/js/namespace',
     'jquery',
+    'base/js/namespace',
+    'base/js/dialog',
     'base/js/events',
     'base/js/page',
     'base/js/utils',
@@ -19,18 +20,20 b' require(['
     'bootstrap',
     'custom/custom',
 ], function(
-    IPython, 
-    $, 
+    $,
+    IPython,
+    dialog,
     events,
-    page, 
-    utils, 
-    contents,
+    page,
+    utils,
+    contents_service,
     notebooklist, 
     clusterlist, 
     sesssionlist, 
     kernellist,
     terminallist,
     loginwidget){
+    "use strict";
 
     page = new page.Page();
     
@@ -38,36 +41,37 b' require(['
         base_url: utils.get_body_data("baseUrl"),
         notebook_path: utils.get_body_data("notebookPath"),
     };
-    session_list = new sesssionlist.SesssionList($.extend({
+    var session_list = new sesssionlist.SesssionList($.extend({
         events: events}, 
         common_options));
-    contents = new contents.Contents($.extend({
+    var contents = new contents_service.Contents($.extend({
         events: events},
         common_options));
-    notebook_list = new notebooklist.NotebookList('#notebook_list', $.extend({
+    var notebook_list = new notebooklist.NotebookList('#notebook_list', $.extend({
         contents: contents,
         session_list:  session_list}, 
         common_options));
-    cluster_list = new clusterlist.ClusterList('#cluster_list', common_options);
-    kernel_list = new kernellist.KernelList('#running_list',  $.extend({
+    var cluster_list = new clusterlist.ClusterList('#cluster_list', common_options);
+    var kernel_list = new kernellist.KernelList('#running_list',  $.extend({
         session_list:  session_list}, 
         common_options));
     
+    var terminal_list;
     if (utils.get_body_data("terminalsAvailable") === "True") {
         terminal_list = new terminallist.TerminalList('#terminal_list', common_options);
     }
 
-    login_widget = new loginwidget.LoginWidget('#login_widget', common_options);
+    var login_widget = new loginwidget.LoginWidget('#login_widget', common_options);
 
     $('#new_notebook').click(function (e) {
-        contents.new(common_options.notebook_path, null, {
-                ext: ".ipynb",
+        contents.new_untitled(common_options.notebook_path, {
+                type: "notebook",
                 extra_settings: {async: false},  // So we can open a new window afterwards
                 success: function (data) {
                     window.open(
                         utils.url_join_encode(
                             common_options.base_url, 'notebooks',
-                            data.path, data.name
+                            data.path
                         ), '_blank');
                     },
                 error: function(error) {

IPython/html/static/tree/js/notebooklist.js

@@ -100,7 +100,7 b' define(['
             };
             reader.onerror = function (event) {
                 var item = $(event.target).data('item');
-                var name = item.data('name')
+                var name = item.data('name');
                 item.remove();
                 dialog.modal({
                     title : 'Failed to read file',
@@ -141,7 +141,7 b' define(['
     };
 
     NotebookList.prototype.load_list = function () {
-        var that = this
+        var that = this;
         this.contents.list_contents(that.notebook_path, {
             success: $.proxy(this.draw_notebook_list, this),
             error: function(error) {
@@ -177,7 +177,7 b' define(['
             model = {
                 type: 'directory',
                 name: '..',
-                path: path,
+                path: utils.url_path_split(path)[0],
             };
             this.add_link(model, item);
             offset += 1;
@@ -240,8 +240,7 b' define(['
                 utils.url_join_encode(
                     this.base_url,
                     uri_prefix,
-                    path,
-                    name
+                    path
                 )
             );
         // directory nav doesn't open new tabs
@@ -311,7 +310,6 b' define(['
     };
 
     NotebookList.prototype.add_delete_button = function (item) {
-        var new_buttons = $('<span/>').addClass("btn-group pull-right");
         var notebooklist = this;
         var delete_button = $("<button/>").text("Delete").addClass("btn btn-default btn-xs").
             click(function (e) {
@@ -322,7 +320,7 b' define(['
                 var parent_item = that.parents('div.list_item');
                 var name = parent_item.data('nbname');
                 var path = parent_item.data('path');
-                var message = 'Are you sure you want to permanently delete the file: ' + nbname + '?';
+                var message = 'Are you sure you want to permanently delete the file: ' + name + '?';
                 dialog.modal({
                     title : "Delete file",
                     body : message,
@@ -330,9 +328,9 b' define(['
                         Delete : {
                             class: "btn-danger",
                             click: function() {
-                                notebooklist.contents.delete(name, path, {
+                                notebooklist.contents.delete(path, {
                                     success: function() {
-                                        notebooklist.notebook_deleted(path, name);
+                                        notebooklist.notebook_deleted(path);
                                     }
                                 });
                             }
@@ -345,25 +343,24 b' define(['
         item.find(".item_buttons").text("").append(delete_button);
     };
 
-    NotebookList.prototype.notebook_deleted = function(path, name) {
+    NotebookList.prototype.notebook_deleted = function(path) {
         // Remove the deleted notebook.
         $( ":data(nbname)" ).each(function() {
-            var element = $( this );
-            if (element.data( "nbname" ) == d.name &&
-                element.data( "path" ) == d.path) {
+            var element = $(this);
+            if (element.data("path") == path) {
                 element.remove();
             }
         });
-    }
+    };
 
 
-    NotebookList.prototype.add_upload_button = function (item, type) {
+    NotebookList.prototype.add_upload_button = function (item) {
         var that = this;
         var upload_button = $('<button/>').text("Upload")
             .addClass('btn btn-primary btn-xs upload_button')
             .click(function (e) {
-                var path = that.notebook_path;
                 var filename = item.find('.item_name > input').val();
+                var path = utils.url_path_join(that.notebook_path, filename);
                 var filedata = item.data('filedata');
                 var format = 'text';
                 if (filename.length === 0 || filename[0] === '.') {
@@ -385,10 +382,7 b' define(['
                     filedata = btoa(bytes);
                     format = 'base64';
                 }
-                var model = {
-                    path: path,
-                    name: filename
-                };
+                var model = {};
 
                 var name_and_ext = utils.splitext(filename);
                 var file_ext = name_and_ext[1];
@@ -418,34 +412,22 b' define(['
                     model.content = filedata;
                     content_type = 'application/octet-stream';
                 }
-                var filedata = item.data('filedata');
+                filedata = item.data('filedata');
 
                 var settings = {
-                    processData : false,
-                    cache : false,
-                    type : 'PUT',
-                    data : JSON.stringify(model),
-                    contentType: content_type,
-                    success : function (data, status, xhr) {
+                    success : function () {
                         item.removeClass('new-file');
                         that.add_link(model, item);
                         that.add_delete_button(item);
                         that.session_list.load_sessions();
                     },
-                    error : utils.log_ajax_error,
                 };
-
-                var url = utils.url_join_encode(
-                    that.base_url,
-                    'api/contents',
-                    that.notebook_path,
-                    filename
-                );
                 
                 var exists = false;
                 $.each(that.element.find('.list_item:not(.new-file)'), function(k,v){
                     if ($(v).data('name') === filename) { exists = true; return false; }
                 });
+                
                 if (exists) {
                     dialog.modal({
                         title : "Replace file",
@@ -453,7 +435,9 b' define(['
                         buttons : {
                             Overwrite : {
                                 class: "btn-danger",
-                                click: function() { $.ajax(url, settings); }
+                                click: function () {
+                                        that.contents.save(path, model, settings);
+                                    }
                             },
                             Cancel : {
                                 click: function() { item.remove(); }
@@ -461,7 +445,7 b' define(['
                         }
                     });
                 } else {
-                    $.ajax(url, settings);
+                    that.contents.save(path, model, settings);
                 }
                 
                 return false;
@@ -478,7 +462,7 b' define(['
     };
 
 
-    // Backwards compatability.    
+    // Backwards compatability.
     IPython.NotebookList = NotebookList;
 
     return {'NotebookList': NotebookList};

IPython/html/tests/notebook/save.js

@@ -12,14 +12,14 b' casper.notebook_test(function () {'
     
     this.thenEvaluate(function (nbname) {
         require(['base/js/events'], function (events) {
-            IPython.notebook.notebook_name = nbname;
+            IPython.notebook.set_notebook_name(nbname);
             IPython._save_success = IPython._save_failed = false;
             events.on('notebook_saved.Notebook', function () {
                 IPython._save_success = true;
             });
             events.on('notebook_save_failed.Notebook',
-                function (event, xhr, status, error) {
-                    IPython._save_failed = "save failed with " + xhr.status + xhr.responseText;
+                function (event, error) {
+                    IPython._save_failed = "save failed with " + error;
             });
             IPython.notebook.save_notebook();
         });
@@ -42,6 +42,10 b' casper.notebook_test(function () {'
             return IPython.notebook.notebook_name;
         });
         this.test.assertEquals(current_name, nbname, "Save with complicated name");
+        var current_path = this.evaluate(function(){
+            return IPython.notebook.notebook_path;
+        });
+        this.test.assertEquals(current_path, nbname, "path OK");
     });
     
     this.thenEvaluate(function(){
@@ -68,11 +72,8 b' casper.notebook_test(function () {'
     });
 
     this.then(function(){
-        var baseUrl = this.get_notebook_server();
-        this.open(baseUrl);
+        this.open_dashboard();
     });
-
-    this.waitForSelector('.list_item');
     
     this.then(function(){
         var notebook_url = this.evaluate(function(nbname){
@@ -92,11 +93,11 b' casper.notebook_test(function () {'
     });
     
     // wait for the notebook
-    this.waitForSelector("#notebook");
+    this.waitFor(this.kernel_running);
     
-    this.waitFor(function(){
-        return this.evaluate(function(){
-            return IPython.notebook || false;
+    this.waitFor(function() {
+        return this.evaluate(function () {
+            return IPython && IPython.notebook && true;
         });
     });
     

IPython/html/tests/test_nbextensions.py

@@ -75,22 +75,22 b' class TestInstallNBExtension(TestCase):'
             td.cleanup()
         nbextensions.get_ipython_dir = self.save_get_ipython_dir
     
-    def assert_path_exists(self, path):
+    def assert_dir_exists(self, path):
         if not os.path.exists(path):
             do_exist = os.listdir(os.path.dirname(path))
             self.fail(u"%s should exist (found %s)" % (path, do_exist))
     
-    def assert_not_path_exists(self, path):
+    def assert_not_dir_exists(self, path):
         if os.path.exists(path):
             self.fail(u"%s should not exist" % path)
     
     def assert_installed(self, relative_path, ipdir=None):
-        self.assert_path_exists(
+        self.assert_dir_exists(
             pjoin(ipdir or self.ipdir, u'nbextensions', relative_path)
         )
     
     def assert_not_installed(self, relative_path, ipdir=None):
-        self.assert_not_path_exists(
+        self.assert_not_dir_exists(
             pjoin(ipdir or self.ipdir, u'nbextensions', relative_path)
         )
     
@@ -99,7 +99,7 b' class TestInstallNBExtension(TestCase):'
         with TemporaryDirectory() as td:
             ipdir = pjoin(td, u'ipython')
             install_nbextension(self.src, ipython_dir=ipdir)
-            self.assert_path_exists(ipdir)
+            self.assert_dir_exists(ipdir)
             for file in self.files:
                 self.assert_installed(
                     pjoin(basename(self.src), file),

IPython/html/tests/tree/dashboard_nav.js

@@ -11,13 +11,15 b' casper.get_list_items = function () {'
     });
 };
 
-casper.test_items = function (baseUrl) {
+casper.test_items = function (baseUrl, visited) {
+    visited = visited || {};
     casper.then(function () {
         var items = casper.get_list_items();
         casper.each(items, function (self, item) {
-            if (!item.label.match(/\.ipynb$/)) {
+            if (item.link.match(/^\/tree\//)) {
                 var followed_url = baseUrl+item.link;
-                if (!followed_url.match(/\/\.\.$/)) {
+                if (!visited[followed_url]) {
+                    visited[followed_url] = true;
                     casper.thenOpen(followed_url, function () {
                         this.waitFor(this.page_loaded);
                         casper.wait_for_dashboard();
@@ -25,7 +27,7 b' casper.test_items = function (baseUrl) {'
                         // but item.link is without host, and url-encoded
                         var expected = baseUrl + decodeURIComponent(item.link);
                         this.test.assertEquals(this.getCurrentUrl(), expected, 'Testing dashboard link: ' + expected);
-                        casper.test_items(baseUrl);
+                        casper.test_items(baseUrl, visited);
                         this.back();
                     });
                 }

IPython/html/tree/handlers.py

@@ -4,7 +4,7 b''
 # Distributed under the terms of the Modified BSD License.
 
 from tornado import web
-from ..base.handlers import IPythonHandler, notebook_path_regex, path_regex
+from ..base.handlers import IPythonHandler, path_regex
 from ..utils import url_path_join, url_escape
 
 
@@ -33,18 +33,21 b' class TreeHandler(IPythonHandler):'
             return 'Home'
 
     @web.authenticated
-    def get(self, path='', name=None):
+    def get(self, path=''):
         path = path.strip('/')
         cm = self.contents_manager
-        if name is not None:
-            # is a notebook, redirect to notebook handler
+        if cm.file_exists(path):
+            # it's not a directory, we have redirecting to do
+            model = cm.get(path, content=False)
+            # redirect to /api/notebooks if it's a notebook, otherwise /api/files
+            service = 'notebooks' if model['type'] == 'notebook' else 'files'
             url = url_escape(url_path_join(
-                self.base_url, 'notebooks', path, name
+                self.base_url, service, path,
             ))
             self.log.debug("Redirecting %s to %s", self.request.path, url)
             self.redirect(url)
         else:
-            if not cm.path_exists(path=path):
+            if not cm.dir_exists(path=path):
                 # Directory is hidden or does not exist.
                 raise web.HTTPError(404)
             elif cm.is_hidden(path):
@@ -66,7 +69,6 b' class TreeHandler(IPythonHandler):'
 
 
 default_handlers = [
-    (r"/tree%s" % notebook_path_regex, TreeHandler),
     (r"/tree%s" % path_regex, TreeHandler),
     (r"/tree", TreeHandler),
     ]