added limits to single file diffs

changed changeset to use .size  for cut off

pylons_app/controllers/changeset.py

@@ -1,164 +1,176 b''
 #!/usr/bin/env python
 # encoding: utf-8
 # changeset controller for pylons
 # Copyright (C) 2009-2010 Marcin Kuzminski <[e-mail]>
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; version 2
 # of the License or (at your opinion) any later version of the license.
 # 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA  02110-1301, USA.
 """
 Created on April 25, 2010
 changeset controller for pylons
 @author: marcink
 """
 from pylons import tmpl_context as c, url, request, response
 from pylons.i18n.translation import _
 from pylons.controllers.util import redirect
 from pylons_app.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
 from pylons_app.lib.base import BaseController, render
 from pylons_app.model.hg_model import HgModel
 from vcs.exceptions import RepositoryError, ChangesetError
 from vcs.nodes import FileNode
 from vcs.utils import diffs as differ
 import logging
 import traceback
 
 log = logging.getLogger(__name__)
 
 class ChangesetController(BaseController):
     
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')       
     def __before__(self):
         super(ChangesetController, self).__before__()
         
     def index(self, revision):
         hg_model = HgModel()
         cut_off_limit = 1024 * 100
         
         def wrap_to_table(str):
             
             return '''<table class="code-difftable">
                         <tr class="line">
                         <td class="lineno new"></td>
                         <td class="code"><pre>%s</pre></td>
                         </tr>
                       </table>''' % str
             
         try:
             c.changeset = hg_model.get_repo(c.repo_name).get_changeset(revision)
         except RepositoryError:
             log.error(traceback.format_exc())
             return redirect(url('hg_home'))
         else:
             try:
                 c.changeset_old = c.changeset.parents[0]
             except IndexError:
                 c.changeset_old = None
             c.changes = []
+            
+            #===================================================================
+            # ADDED FILES
+            #===================================================================
             c.sum_added = 0
             for node in c.changeset.added:
                 
                 filenode_old = FileNode(node.path, '')
                 if filenode_old.is_binary or node.is_binary:
                     diff = wrap_to_table(_('binary file'))
                 else:
-                    c.sum_added += len(node.content)
+                    c.sum_added += node.size
                     if c.sum_added < cut_off_limit:
                         f_udiff = differ.get_udiff(filenode_old, node)
                         diff = differ.DiffProcessor(f_udiff).as_html()
                     else:
-                        diff = wrap_to_table(_('Changeset is to big see raw changeset'))
+                        diff = wrap_to_table(_('Changeset is to big and was cut'
+                                            ' off, see raw changeset instead'))
                         
                 cs1 = None
                 cs2 = node.last_changeset.short_id                                        
                 c.changes.append(('added', node, diff, cs1, cs2))
             
+            #===================================================================
+            # CHANGED FILES
+            #===================================================================
             c.sum_removed = 0    
             for node in c.changeset.changed:
                 try:
                     filenode_old = c.changeset_old.get_node(node.path)
                 except ChangesetError:
                     filenode_old = FileNode(node.path, '')
                     
                 if filenode_old.is_binary or node.is_binary:
                     diff = wrap_to_table(_('binary file'))
                 else:
-                    c.sum_removed += len(node.content)
+                    c.sum_removed += node.size
                     if c.sum_removed < cut_off_limit:
                         f_udiff = differ.get_udiff(filenode_old, node)
                         diff = differ.DiffProcessor(f_udiff).as_html()
                     else:
-                        diff = wrap_to_table(_('Changeset is to big see raw changeset'))
+                        diff = wrap_to_table(_('Changeset is to big and was cut'
+                                            ' off, see raw changeset instead'))
 
                 cs1 = filenode_old.last_changeset.short_id
                 cs2 = node.last_changeset.short_id                    
                 c.changes.append(('changed', node, diff, cs1, cs2))
                 
+            #===================================================================
+            # REMOVED FILES    
+            #===================================================================
             for node in c.changeset.removed:
                 c.changes.append(('removed', node, None, None, None))            
             
         return render('changeset/changeset.html')
 
     def raw_changeset(self, revision):
         
         hg_model = HgModel()
         method = request.GET.get('diff', 'show')
         try:
             c.changeset = hg_model.get_repo(c.repo_name).get_changeset(revision)
         except RepositoryError:
             log.error(traceback.format_exc())
             return redirect(url('hg_home'))
         else:
             try:
                 c.changeset_old = c.changeset.parents[0]
             except IndexError:
                 c.changeset_old = None
             c.changes = []
             
             for node in c.changeset.added:
                 filenode_old = FileNode(node.path, '')
                 if filenode_old.is_binary or node.is_binary:
                     diff = _('binary file')
                 else:    
                     f_udiff = differ.get_udiff(filenode_old, node)
                     diff = differ.DiffProcessor(f_udiff).raw_diff()
 
                 cs1 = None
                 cs2 = node.last_changeset.short_id                                        
                 c.changes.append(('added', node, diff, cs1, cs2))
                 
             for node in c.changeset.changed:
                 filenode_old = c.changeset_old.get_node(node.path)
                 if filenode_old.is_binary or node.is_binary:
                     diff = _('binary file')
                 else:    
                     f_udiff = differ.get_udiff(filenode_old, node)
                     diff = differ.DiffProcessor(f_udiff).raw_diff()
 
                 cs1 = filenode_old.last_changeset.short_id
                 cs2 = node.last_changeset.short_id                    
                 c.changes.append(('changed', node, diff, cs1, cs2))      
         
         response.content_type = 'text/plain'
         if method == 'download':
             response.content_disposition = 'attachment; filename=%s.patch' % revision 
         parent = True if len(c.changeset.parents) > 0 else False
         c.parent_tmpl = 'Parent  %s' % c.changeset.parents[0].raw_id if parent else ''
     
         c.diffs = ''
         for x in c.changes:
             c.diffs += x[2]
             
         return render('changeset/raw_changeset.html')

pylons_app/controllers/files.py

@@ -1,207 +1,215 b''
 #!/usr/bin/env python
 # encoding: utf-8
 # files controller for pylons
 # Copyright (C) 2009-2010 Marcin Kuzminski <[e-mail]>
 
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; version 2
 # of the License or (at your opinion) any later version of the license.
 # 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA  02110-1301, USA.
 """
 Created on April 21, 2010
 files controller for pylons
 @author: marcink
 """
 from mercurial import archival
 from pylons import request, response, session, tmpl_context as c, url
+from pylons.i18n.translation import _
 from pylons.controllers.util import redirect
 from pylons_app.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
 from pylons_app.lib.base import BaseController, render
 from pylons_app.lib.utils import EmptyChangeset
 from pylons_app.model.hg_model import HgModel
 from vcs.exceptions import RepositoryError, ChangesetError
 from vcs.nodes import FileNode
 from vcs.utils import diffs as differ
 import logging
 import pylons_app.lib.helpers as h
 import tempfile
         
 log = logging.getLogger(__name__)
 
 class FilesController(BaseController):
     
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')       
     def __before__(self):
         super(FilesController, self).__before__()
         c.file_size_limit = 250 * 1024 #limit of file size to display
 
     def index(self, repo_name, revision, f_path):
         hg_model = HgModel()
         c.repo = repo = hg_model.get_repo(c.repo_name)
         revision = request.POST.get('at_rev', None) or revision
         
         def get_next_rev(cur):
             max_rev = len(c.repo.revisions) - 1
             r = cur + 1
             if r > max_rev:
                 r = max_rev
             return r
             
         def get_prev_rev(cur):
             r = cur - 1
             return r
 
         c.f_path = f_path
      
         
         try:
             cur_rev = repo.get_changeset(revision).revision
             prev_rev = repo.get_changeset(get_prev_rev(cur_rev)).short_id
             next_rev = repo.get_changeset(get_next_rev(cur_rev)).short_id
                     
             c.url_prev = url('files_home', repo_name=c.repo_name,
                              revision=prev_rev, f_path=f_path) 
             c.url_next = url('files_home', repo_name=c.repo_name,
                              revision=next_rev, f_path=f_path)   
                     
             c.changeset = repo.get_changeset(revision)
                         
             c.cur_rev = c.changeset.short_id
             c.rev_nr = c.changeset.revision
             c.files_list = c.changeset.get_node(f_path)
             c.file_history = self._get_history(repo, c.files_list, f_path)
             
         except (RepositoryError, ChangesetError):
             c.files_list = None
         
         return render('files/files.html')
 
     def rawfile(self, repo_name, revision, f_path):
         hg_model = HgModel()
         c.repo = hg_model.get_repo(c.repo_name)
         file_node = c.repo.get_changeset(revision).get_node(f_path)
         response.content_type = file_node.mimetype
         response.content_disposition = 'attachment; filename=%s' \
                                                     % f_path.split('/')[-1] 
         return file_node.content
 
     def raw(self, repo_name, revision, f_path):
         hg_model = HgModel()
         c.repo = hg_model.get_repo(c.repo_name)
         file_node = c.repo.get_changeset(revision).get_node(f_path)
         response.content_type = 'text/plain'
         
         return file_node.content
     
     def annotate(self, repo_name, revision, f_path):
         hg_model = HgModel()
         c.repo = hg_model.get_repo(c.repo_name)
         cs = c.repo.get_changeset(revision)
         c.file = cs.get_node(f_path)
         c.file_msg = cs.get_file_message(f_path)
         c.cur_rev = cs.short_id
         c.rev_nr = cs.revision        
         c.f_path = f_path
 
         return render('files/files_annotate.html')
       
     def archivefile(self, repo_name, revision, fileformat):
         archive_specs = {
           '.tar.bz2': ('application/x-tar', 'tbz2'),
           '.tar.gz': ('application/x-tar', 'tgz'),
           '.zip': ('application/zip', 'zip'),
         }
         if not archive_specs.has_key(fileformat):
             return 'Unknown archive type %s' % fileformat
                         
         def read_in_chunks(file_object, chunk_size=1024 * 40):
             """Lazy function (generator) to read a file piece by piece.
             Default chunk size: 40k."""
             while True:
                 data = file_object.read(chunk_size)
                 if not data:
                     break
                 yield data        
             
         archive = tempfile.TemporaryFile()
         repo = HgModel().get_repo(repo_name).repo
         fname = '%s-%s%s' % (repo_name, revision, fileformat)
         archival.archive(repo, archive, revision, archive_specs[fileformat][1],
                          prefix='%s-%s' % (repo_name, revision))
         response.content_type = archive_specs[fileformat][0]
         response.content_disposition = 'attachment; filename=%s' % fname
         archive.seek(0)
         return read_in_chunks(archive)
     
     def diff(self, repo_name, f_path):
         hg_model = HgModel()
         diff1 = request.GET.get('diff1')
         diff2 = request.GET.get('diff2')
         c.action = request.GET.get('diff')
         c.no_changes = diff1 == diff2
         c.f_path = f_path
         c.repo = hg_model.get_repo(c.repo_name)
 
         try:
-            if diff1 not in ['', None, 'None', '0' * 12]:
+            if diff1 not in ['', None, 'None', '0' * 12, '0' * 40]:
                 c.changeset_1 = c.repo.get_changeset(diff1)
                 node1 = c.changeset_1.get_node(f_path)
             else:
                 c.changeset_1 = EmptyChangeset()
-                node1 = FileNode('.', '')
-            if diff2 not in ['', None, 'None', '0' * 12]:
+                node1 = FileNode('.', '', changeset=c.changeset_1)
+                
+            if diff2 not in ['', None, 'None', '0' * 12, '0' * 40]:
                 c.changeset_2 = c.repo.get_changeset(diff2)
                 node2 = c.changeset_2.get_node(f_path)
             else:
                 c.changeset_2 = EmptyChangeset()
-                node2 = FileNode('.', '') 
+                node2 = FileNode('.', '', changeset=c.changeset_2)
         except RepositoryError:
             return redirect(url('files_home',
                                 repo_name=c.repo_name, f_path=f_path))
 
         c.diff1 = 'r%s:%s' % (c.changeset_1.revision, c.changeset_1.short_id)
         c.diff2 = 'r%s:%s' % (c.changeset_2.revision, c.changeset_2.short_id)
+        
         f_udiff = differ.get_udiff(node1, node2)
-        
         diff = differ.DiffProcessor(f_udiff)
                                 
         if c.action == 'download':
             diff_name = '%s_vs_%s.diff' % (diff1, diff2)
             response.content_type = 'text/plain'
             response.content_disposition = 'attachment; filename=%s' \
                                                     % diff_name             
             return diff.raw_diff()
         
         elif c.action == 'raw':
             c.cur_diff = '<pre class="raw">%s</pre>' % h.escape(diff.raw_diff())
         elif c.action == 'diff':
-            c.cur_diff = diff.as_html()
+            if node1.size > c.file_size_limit or node2.size > c.file_size_limit:
+                c.cur_diff = _('Diff is to big to display')
+            else:
+                c.cur_diff = diff.as_html()
         else:
             #default option
-            c.cur_diff = diff.as_html()
+            if node1.size > c.file_size_limit or node2.size > c.file_size_limit:
+                c.cur_diff = _('Diff is to big to display')
+            else:
+                c.cur_diff = diff.as_html()
         
         if not c.cur_diff: c.no_changes = True    
         return render('files/file_diff.html')
     
     def _get_history(self, repo, node, f_path):
         from vcs.nodes import NodeKind
         if not node.kind is NodeKind.FILE:
             return []
         changesets = node.history
         hist_l = []
         for chs in changesets:
             n_desc = 'r%s:%s' % (chs.revision, chs.short_id)
             hist_l.append((chs.short_id, n_desc,))
         return hist_l

pylons_app/lib/utils.py

@@ -1,476 +1,488 b''
 #!/usr/bin/env python
 # encoding: utf-8
 # Utilities for hg app
 # Copyright (C) 2009-2010 Marcin Kuzminski <[e-mail]>
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; version 2
 # of the License or (at your opinion) any later version of the license.
 # 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 # 
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA  02110-1301, USA.
 
 """
 Created on April 18, 2010
 Utilities for hg app
 @author: marcink
 """
 from beaker.cache import cache_region
 from mercurial import ui, config, hg
 from mercurial.error import RepoError
 from pylons_app.model import meta
 from pylons_app.model.db import Repository, User, HgAppUi, HgAppSettings, UserLog
 from vcs.backends.base import BaseChangeset
 from vcs.utils.lazy import LazyProperty
 import logging
 import datetime
 import os
 
 log = logging.getLogger(__name__)
 
 
 def get_repo_slug(request):    
     return request.environ['pylons.routes_dict'].get('repo_name')
 
 def is_mercurial(environ):
     """
     Returns True if request's target is mercurial server - header
     ``HTTP_ACCEPT`` of such request would start with ``application/mercurial``.
     """
     http_accept = environ.get('HTTP_ACCEPT')
     if http_accept and http_accept.startswith('application/mercurial'):
         return True
     return False
 
 def action_logger(user, action, repo, ipaddr, sa=None):
     """
     Action logger for various action made by users
     """
     
     if not sa:
         sa = meta.Session 
         
     try:
         if hasattr(user, 'user_id'):
             user_id = user.user_id
         elif isinstance(user, basestring):
             user_id = sa.query(User).filter(User.username == user).one()
         else:
             raise Exception('You have to provide user object or username')
        
         repo_name = repo.lstrip('/')
         user_log = UserLog()
         user_log.user_id = user_id
         user_log.action = action
         user_log.repository_name = repo_name
         user_log.repository = sa.query(Repository)\
             .filter(Repository.repo_name == repo_name).one()
         user_log.action_date = datetime.datetime.now()
         user_log.user_ip = ipaddr
         sa.add(user_log)
         sa.commit()
         log.info('Adding user %s, action %s on %s',
                                         user.username, action, repo)
     except Exception, e:
         raise
         sa.rollback()
         log.error('could not log user action:%s', str(e))
                 
 def check_repo_dir(paths):
     repos_path = paths[0][1].split('/')
     if repos_path[-1] in ['*', '**']:
         repos_path = repos_path[:-1]
     if repos_path[0] != '/':
         repos_path[0] = '/'
     if not os.path.isdir(os.path.join(*repos_path)):
         raise Exception('Not a valid repository in %s' % paths[0][1])
 
 def check_repo_fast(repo_name, base_path):
     if os.path.isdir(os.path.join(base_path, repo_name)):return False
     return True
 
 def check_repo(repo_name, base_path, verify=True):
 
     repo_path = os.path.join(base_path, repo_name)
 
     try:
         if not check_repo_fast(repo_name, base_path):
             return False
         r = hg.repository(ui.ui(), repo_path)
         if verify:
             hg.verify(r)
         #here we hnow that repo exists it was verified
         log.info('%s repo is already created', repo_name)
         return False
     except RepoError:
         #it means that there is no valid repo there...
         log.info('%s repo is free for creation', repo_name)
         return True
 
 def ask_ok(prompt, retries=4, complaint='Yes or no, please!'):
     while True:
         ok = raw_input(prompt)
         if ok in ('y', 'ye', 'yes'): return True
         if ok in ('n', 'no', 'nop', 'nope'): return False
         retries = retries - 1
         if retries < 0: raise IOError
         print complaint
         
 @cache_region('super_short_term', 'cached_hg_ui')
 def get_hg_ui_cached():
     try:
         sa = meta.Session
         ret = sa.query(HgAppUi).all()
     finally:
         meta.Session.remove()
     return ret
 
 
 def get_hg_settings():
     try:
         sa = meta.Session
         ret = sa.query(HgAppSettings).all()
     finally:
         meta.Session.remove()
         
     if not ret:
         raise Exception('Could not get application settings !')
     settings = {}
     for each in ret:
         settings['hg_app_' + each.app_settings_name] = each.app_settings_value    
     
     return settings
 
 def get_hg_ui_settings():
     try:
         sa = meta.Session
         ret = sa.query(HgAppUi).all()
     finally:
         meta.Session.remove()
         
     if not ret:
         raise Exception('Could not get application ui settings !')
     settings = {}
     for each in ret:
         k = each.ui_key
         v = each.ui_value
         if k == '/':
             k = 'root_path'
         
         if k.find('.') != -1:
             k = k.replace('.', '_')
         
         if each.ui_section == 'hooks':
             v = each.ui_active
         
         settings[each.ui_section + '_' + k] = v  
     
     return settings
 
 #propagated from mercurial documentation
 ui_sections = ['alias', 'auth',
                 'decode/encode', 'defaults',
                 'diff', 'email',
                 'extensions', 'format',
                 'merge-patterns', 'merge-tools',
                 'hooks', 'http_proxy',
                 'smtp', 'patch',
                 'paths', 'profiling',
                 'server', 'trusted',
                 'ui', 'web', ]
         
 def make_ui(read_from='file', path=None, checkpaths=True):        
     """
     A function that will read python rc files or database
     and make an mercurial ui object from read options
     
     @param path: path to mercurial config file
     @param checkpaths: check the path
     @param read_from: read from 'file' or 'db'
     """
 
     baseui = ui.ui()
 
     if read_from == 'file':
         if not os.path.isfile(path):
             log.warning('Unable to read config file %s' % path)
             return False
         log.debug('reading hgrc from %s', path)
         cfg = config.config()
         cfg.read(path)
         for section in ui_sections:
             for k, v in cfg.items(section):
                 baseui.setconfig(section, k, v)
                 log.debug('settings ui from file[%s]%s:%s', section, k, v)
         if checkpaths:check_repo_dir(cfg.items('paths'))                
               
         
     elif read_from == 'db':
         hg_ui = get_hg_ui_cached()
         for ui_ in hg_ui:
             if ui_.ui_active:
                 log.debug('settings ui from db[%s]%s:%s', ui_.ui_section, ui_.ui_key, ui_.ui_value)
                 baseui.setconfig(ui_.ui_section, ui_.ui_key, ui_.ui_value)
         
     
     return baseui
 
 
 def set_hg_app_config(config):
     hgsettings = get_hg_settings()
     
     for k, v in hgsettings.items():
         config[k] = v
 
 def invalidate_cache(name, *args):
     """Invalidates given name cache"""
     
     from beaker.cache import region_invalidate
     log.info('INVALIDATING CACHE FOR %s', name)
     
     """propagate our arguments to make sure invalidation works. First
     argument has to be the name of cached func name give to cache decorator
     without that the invalidation would not work"""
     tmp = [name]
     tmp.extend(args)
     args = tuple(tmp)
     
     if name == 'cached_repo_list':
         from pylons_app.model.hg_model import _get_repos_cached
         region_invalidate(_get_repos_cached, None, *args)
         
     if name == 'full_changelog':
         from pylons_app.model.hg_model import _full_changelog_cached
         region_invalidate(_full_changelog_cached, None, *args)
         
 class EmptyChangeset(BaseChangeset):
+    """
+    An dummy empty changeset.
+    """
     
     revision = -1
     message = ''
     author = ''
-    
+    date = ''
     @LazyProperty
     def raw_id(self):
         """
         Returns raw string identifing this changeset, useful for web
         representation.
         """
         return '0' * 40
     
     @LazyProperty
     def short_id(self):
         return self.raw_id[:12]
 
+    def get_file_changeset(self, path):
+        return self
+    
+    def get_file_content(self, path):
+        return u''
+    
+    def get_file_size(self, path):
+        return 0
+    
 def repo2db_mapper(initial_repo_list, remove_obsolete=False):
     """
     maps all found repositories into db
     """
     from pylons_app.model.repo_model import RepoModel
     
     sa = meta.Session
     user = sa.query(User).filter(User.admin == True).first()
     
     rm = RepoModel()
     
     for name, repo in initial_repo_list.items():
         if not sa.query(Repository).filter(Repository.repo_name == name).scalar():
             log.info('repository %s not found creating default', name)
                 
             form_data = {
                          'repo_name':name,
                          'description':repo.description if repo.description != 'unknown' else \
                                         'auto description for %s' % name,
                          'private':False
                          }
             rm.create(form_data, user, just_db=True)
 
 
     if remove_obsolete:
         #remove from database those repositories that are not in the filesystem
         for repo in sa.query(Repository).all():
             if repo.repo_name not in initial_repo_list.keys():
                 sa.delete(repo)
                 sa.commit()
 
     
     meta.Session.remove()
 
 from UserDict import DictMixin
 
 class OrderedDict(dict, DictMixin):
 
     def __init__(self, *args, **kwds):
         if len(args) > 1:
             raise TypeError('expected at most 1 arguments, got %d' % len(args))
         try:
             self.__end
         except AttributeError:
             self.clear()
         self.update(*args, **kwds)
 
     def clear(self):
         self.__end = end = []
         end += [None, end, end]         # sentinel node for doubly linked list
         self.__map = {}                 # key --> [key, prev, next]
         dict.clear(self)
 
     def __setitem__(self, key, value):
         if key not in self:
             end = self.__end
             curr = end[1]
             curr[2] = end[1] = self.__map[key] = [key, curr, end]
         dict.__setitem__(self, key, value)
 
     def __delitem__(self, key):
         dict.__delitem__(self, key)
         key, prev, next = self.__map.pop(key)
         prev[2] = next
         next[1] = prev
 
     def __iter__(self):
         end = self.__end
         curr = end[2]
         while curr is not end:
             yield curr[0]
             curr = curr[2]
 
     def __reversed__(self):
         end = self.__end
         curr = end[1]
         while curr is not end:
             yield curr[0]
             curr = curr[1]
 
     def popitem(self, last=True):
         if not self:
             raise KeyError('dictionary is empty')
         if last:
             key = reversed(self).next()
         else:
             key = iter(self).next()
         value = self.pop(key)
         return key, value
 
     def __reduce__(self):
         items = [[k, self[k]] for k in self]
         tmp = self.__map, self.__end
         del self.__map, self.__end
         inst_dict = vars(self).copy()
         self.__map, self.__end = tmp
         if inst_dict:
             return (self.__class__, (items,), inst_dict)
         return self.__class__, (items,)
 
     def keys(self):
         return list(self)
 
     setdefault = DictMixin.setdefault
     update = DictMixin.update
     pop = DictMixin.pop
     values = DictMixin.values
     items = DictMixin.items
     iterkeys = DictMixin.iterkeys
     itervalues = DictMixin.itervalues
     iteritems = DictMixin.iteritems
 
     def __repr__(self):
         if not self:
             return '%s()' % (self.__class__.__name__,)
         return '%s(%r)' % (self.__class__.__name__, self.items())
 
     def copy(self):
         return self.__class__(self)
 
     @classmethod
     def fromkeys(cls, iterable, value=None):
         d = cls()
         for key in iterable:
             d[key] = value
         return d
 
     def __eq__(self, other):
         if isinstance(other, OrderedDict):
             return len(self) == len(other) and self.items() == other.items()
         return dict.__eq__(self, other)
 
     def __ne__(self, other):
         return not self == other
 
 
 #===============================================================================
 # TEST FUNCTIONS
 #===============================================================================
 def create_test_index(repo_location, full_index):
     """Makes default test index
     @param repo_location:
     @param full_index:
     """
     from pylons_app.lib.indexers.daemon import WhooshIndexingDaemon
     from pylons_app.lib.pidlock import DaemonLock, LockHeld
     from pylons_app.lib.indexers import IDX_LOCATION
     import shutil
     
     if os.path.exists(IDX_LOCATION):
         shutil.rmtree(IDX_LOCATION)
          
     try:
         l = DaemonLock()
         WhooshIndexingDaemon(repo_location=repo_location)\
             .run(full_index=full_index)
         l.release()
     except LockHeld:
         pass    
     
 def create_test_env(repos_test_path, config):
     """Makes a fresh database and 
     install test repository into tmp dir
     """
     from pylons_app.lib.db_manage import DbManage
     import tarfile
     import shutil
     from os.path import dirname as dn, join as jn, abspath
     
     log = logging.getLogger('TestEnvCreator')
     # create logger
     log.setLevel(logging.DEBUG)
     log.propagate = True
     # create console handler and set level to debug
     ch = logging.StreamHandler()
     ch.setLevel(logging.DEBUG)
     
     # create formatter
     formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
     
     # add formatter to ch
     ch.setFormatter(formatter)
     
     # add ch to logger
     log.addHandler(ch)
     
     #PART ONE create db
     log.debug('making test db')
     dbname = config['sqlalchemy.db1.url'].split('/')[-1]
     dbmanage = DbManage(log_sql=True, dbname=dbname, tests=True)
     dbmanage.create_tables(override=True)
     dbmanage.config_prompt(repos_test_path)
     dbmanage.create_default_user()
     dbmanage.admin_prompt()
     dbmanage.create_permissions()
     dbmanage.populate_default_permissions()
     
     #PART TWO make test repo
     log.debug('making test vcs repo')
     if os.path.isdir('/tmp/vcs_test'):
         shutil.rmtree('/tmp/vcs_test')
         
     cur_dir = dn(dn(abspath(__file__)))
     tar = tarfile.open(jn(cur_dir, 'tests', "vcs_test.tar.gz"))
     tar.extractall('/tmp')
     tar.close()