stock completer for hg (mercurial)

IPython/Extensions/ipy_stock_completers.py

@@ -1,133 +1,155 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,sys
 
 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')
 
 pkg_cache = None
 
 def module_completer(self,event):    
     """ Give completions after user has typed 'import' """
     
     # only a local version for py 2.4, pkgutil has no walk_packages() there
     if sys.version_info < (2,5):
         for el in [f[:-3] for f in glob.glob("*.py")]:
             yield el
         return
 
     global pkg_cache
     import pkgutil,imp,time
     #current = 
     if pkg_cache is None:
         print "\n\n[Standby while scanning modules, this can take a while]\n\n"
         pkg_cache = list(pkgutil.walk_packages())
     
     already = set()
     for ld, name, ispkg in pkg_cache:
         if name.count('.') < event.symbol.count('.') + 1:
             if name not in already:
                 already.add(name)
                 yield name + (ispkg and '.' or '')
     return
 
 ip.set_hook('complete_command', module_completer, str_key = 'import')
 ip.set_hook('complete_command', module_completer, str_key = 'from')
 
 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')
 
+hg_commands = """
+add addremove annotate archive backout branch branches bundle cat
+clone commit copy diff export grep heads help identify import incoming
+init locate log manifest merge outgoing parents paths pull push
+qapplied qclone qcommit qdelete qdiff qfold qguard qheader qimport
+qinit qnew qnext qpop qprev qpush qrefresh qrename qrestore qsave
+qselect qseries qtop qunapplied recover remove rename revert rollback
+root serve showconfig status strip tag tags tip unbundle update verify
+version
+"""
+
+def hg_completer(self,event):
+    """ Completer for mercurial commands """
+    if len((event.line + 'placeholder').split()) > 2:
+        # the rest are probably file names
+        return ip.IP.Completer.file_matches(event.symbol)
+        
+    return hg_commands.split()
+
+ip.set_hook('complete_command', hg_completer, str_key = 'hg')
+
+
 def runlistpy(self, event):
     comps = shlex.split(event.line)
     relpath = (len(comps) > 1 and comps[-1] or '')
    
     #print "rp",relpath  # dbg
     lglob = glob.glob
     isdir = os.path.isdir
     if relpath.startswith('~'):
         relpath = os.path.expanduser(relpath)
     dirs = [f.replace('\\','/') + "/" for f in lglob(relpath+'*')
             if isdir(f)]
     pys =  [f.replace('\\','/') for f in lglob(relpath+'*.py')]
     return dirs + pys
 
 ip.set_hook('complete_command', runlistpy, str_key = '%run')
 
 def cd_completer(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', cd_completer, str_key = '%cd')