Mercurial > hg
view mercurial/extensions.py @ 8589:3edf133dcb5a
dirstate: skip step 3 in walk if nothing new will match
nothing will ever match on match.never
nothing new will match on match.exact (all found in step 1)
nothing new will match on match.match when
there is no pattern and
there is no direcory in pats
author | Simon Heimberg <simohe@besonet.ch> |
---|---|
date | Thu, 14 May 2009 19:54:26 +0200 |
parents | 46293a0c7e9f |
children | 20a25042fadc |
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# extensions.py - extension handling for mercurial # # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2, incorporated herein by reference. import imp, os import util, cmdutil from i18n import _ _extensions = {} _order = [] def extensions(): for name in _order: module = _extensions[name] if module: yield name, module def find(name): '''return module with given extension name''' try: return _extensions[name] except KeyError: for k, v in _extensions.iteritems(): if k.endswith('.' + name) or k.endswith('/' + name): return v raise KeyError(name) def loadpath(path, module_name): module_name = module_name.replace('.', '_') path = os.path.expanduser(path) if os.path.isdir(path): # module/__init__.py style d, f = os.path.split(path.rstrip('/')) fd, fpath, desc = imp.find_module(f, [d]) return imp.load_module(module_name, fd, fpath, desc) else: return imp.load_source(module_name, path) def load(ui, name, path): if name.startswith('hgext.') or name.startswith('hgext/'): shortname = name[6:] else: shortname = name if shortname in _extensions: return _extensions[shortname] = None if path: # the module will be loaded in sys.modules # choose an unique name so that it doesn't # conflicts with other modules mod = loadpath(path, 'hgext.%s' % name) else: def importh(name): mod = __import__(name) components = name.split('.') for comp in components[1:]: mod = getattr(mod, comp) return mod try: mod = importh("hgext.%s" % name) except ImportError: mod = importh(name) _extensions[shortname] = mod _order.append(shortname) uisetup = getattr(mod, 'uisetup', None) if uisetup: uisetup(ui) def loadall(ui): result = ui.configitems("extensions") for (name, path) in result: if path: if path[0] == '!': continue try: load(ui, name, path) except KeyboardInterrupt: raise except Exception, inst: if path: ui.warn(_("*** failed to import extension %s from %s: %s\n") % (name, path, inst)) else: ui.warn(_("*** failed to import extension %s: %s\n") % (name, inst)) if ui.traceback(): return 1 def wrapcommand(table, command, wrapper): aliases, entry = cmdutil.findcmd(command, table) for alias, e in table.iteritems(): if e is entry: key = alias break origfn = entry[0] def wrap(*args, **kwargs): return util.checksignature(wrapper)( util.checksignature(origfn), *args, **kwargs) wrap.__doc__ = getattr(origfn, '__doc__') wrap.__module__ = getattr(origfn, '__module__') newentry = list(entry) newentry[0] = wrap table[key] = tuple(newentry) return entry def wrapfunction(container, funcname, wrapper): def wrap(*args, **kwargs): return wrapper(origfn, *args, **kwargs) origfn = getattr(container, funcname) setattr(container, funcname, wrap) return origfn