cd - now has completions too (show directory history entries)

IPython/Extensions/ipy_stock_completers.py

@@ -1,125 +1,133 b''
 """ Tab completion support for a couple of linux package managers 
 
 This is also an example of how to write custom completer plugins
 or hooks.
 
 Practical use:
 
 [ipython]|1> import ipy_linux_package_managers
 [ipython]|2> apt-get u<<< press tab here >>>
 update  upgrade
 [ipython]|2> apt-get up
 
 """
 import IPython.ipapi
 import glob,os,shlex
 
 ip = IPython.ipapi.get()
 
 def apt_completers(self, event):
     """ This should return a list of strings with possible completions.
     
     Note that all the included strings that don't start with event.symbol
     are removed, in order to not confuse readline.
     
     """
     # print event # dbg
     
     # commands are only suggested for the 'command' part of package manager
     # invocation
         
     cmd = (event.line + "<placeholder>").rsplit(None,1)[0]
     # print cmd
     if cmd.endswith('apt-get') or cmd.endswith('yum'):
         return ['update', 'upgrade', 'install', 'remove']
     
     # later on, add dpkg -l / whatever to get list of possible 
     # packages, add switches etc. for the rest of command line
     # filling
     
     raise IPython.ipapi.TryNext 
 
 
 # re_key specifies the regexp that triggers the specified completer
 
 ip.set_hook('complete_command', apt_completers, re_key = '.*apt-get')
 ip.set_hook('complete_command', apt_completers, re_key = '.*yum')
 
 py_std_modules = """\
 BaseHTTPServer Bastion CGIHTTPServer ConfigParser Cookie
 DocXMLRPCServer HTMLParser MimeWriter Queue SimpleHTTPServer
 SimpleXMLRPCServer SocketServer StringIO UserDict UserList UserString
 _LWPCookieJar _MozillaCookieJar __future__ __phello__.foo _strptime
 _threading_local aifc anydbm asynchat asyncore atexit audiodev base64
 bdb binhex bisect cProfile calendar cgi cgitb chunk cmd code codecs
 codeop colorsys commands compileall contextlib cookielib copy copy_reg
 csv dbhash decimal difflib dircache dis doctest dumbdbm dummy_thread
 dummy_threading filecmp fileinput fnmatch formatter fpformat ftplib
 functools getopt getpass gettext glob gopherlib gzip hashlib heapq
 hmac htmlentitydefs htmllib httplib ihooks imaplib imghdr imputil
 inspect keyword linecache locale macpath macurl2path mailbox mailcap
 markupbase md5 mhlib mimetools mimetypes mimify modulefinder multifile
 mutex netrc new nntplib ntpath nturl2path opcode optparse os
 os2emxpath pdb pickle pickletools pipes pkgutil platform popen2 poplib
 posixfile posixpath pprint profile pstats pty py_compile pyclbr pydoc
 quopri random re repr rexec rfc822 rlcompleter robotparser runpy sched
 sets sgmllib sha shelve shlex shutil site smtpd smtplib sndhdr socket
 sre sre_compile sre_constants sre_parse stat statvfs string stringold
 stringprep struct subprocess sunau sunaudio symbol symtable tabnanny
 tarfile telnetlib tempfile textwrap this threading timeit toaiff token
 tokenize trace traceback tty types unittest urllib urllib2 urlparse
 user uu uuid warnings wave weakref webbrowser whichdb xdrlib xmllib
 xmlrpclib zipfile"""
 
 def module_completer(self,event):    
     """ Give completions after user has typed 'import' """
     return py_std_modules.split()
 
 ip.set_hook('complete_command', module_completer, str_key = 'import')
 
 svn_commands = """\
 add blame praise annotate ann cat checkout co cleanup commit ci copy
 cp delete del remove rm diff di export help ? h import info list ls
 lock log merge mkdir move mv rename ren propdel pdel pd propedit pedit
 pe propget pget pg proplist plist pl propset pset ps resolved revert
 status stat st switch sw unlock update
 """
 
 def svn_completer(self,event):
     if len((event.line + 'placeholder').split()) > 2:
         # the rest are probably file names
         return ip.IP.Completer.file_matches(event.symbol)
         
     return svn_commands.split()
 
 ip.set_hook('complete_command', svn_completer, str_key = 'svn')
 
 def runlistpy(self, event):
     comps = shlex.split(event.line)
     relpath = (len(comps) > 1 and comps[-1] or '')
    
     print "rp",relpath
     if relpath.startswith('~'):
         relpath = os.path.expanduser(relpath)
     dirs = [f.replace('\\','/') + "/" for f in  glob.glob(relpath+'*') if os.path.isdir(f)]
     pys =  [f.replace('\\','/') for f in  glob.glob(relpath+'*.py')]
     return dirs + pys
 
 ip.set_hook('complete_command', runlistpy, str_key = '%run')
 
 def listdirs(self, event):
     relpath = event.symbol
     
     if '-b' in event.line:
         # return only bookmark completions
         bkms = self.db.get('bookmarks',{})
         return bkms.keys()
         
+    if event.symbol == '-':
+        # jump in directory history by number
+        ents = ['-%d [%s]' % (i,s) for i,s in enumerate(ip.user_ns['_dh'])]
+        if len(ents) > 1:
+            return ents
+        return []
+        
+                        
     if relpath.startswith('~'):
         relpath = os.path.expanduser(relpath).replace('\\','/')
     found =  [f.replace('\\','/')+'/' for f in glob.glob(relpath+'*') if os.path.isdir(f)]
     if not found:
         return [relpath]
     return found
 
 ip.set_hook('complete_command', listdirs, str_key = '%cd')
  No newline at end of file