Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/extensions.py @ 4797:d00ca99bc54e
convert svn: minor improvement to tag detection.
The better way is probably to list the latest tags directory and
look up the last log message for each entry. This is surprisingly
annoying to do.
author | Brendan Cully <brendan@kublai.com> |
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date | Tue, 03 Jul 2007 20:22:39 -0700 |
parents | 63b9d2deed48 |
children | 616a5adbf402 b3cc62268a91 |
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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, incorporated herein by reference. import imp, os import commands, hg, util, sys from i18n import _ _extensions = {} 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 load(ui, name, path): if name in _extensions: return if path: # the module will be loaded in sys.modules # choose an unique name so that it doesn't # conflicts with other modules module_name = "hgext_%s" % name.replace('.', '_') if os.path.isdir(path): # module/__init__.py style d, f = os.path.split(path) fd, fpath, desc = imp.find_module(f, [d]) mod = imp.load_module(module_name, fd, fpath, desc) else: mod = imp.load_source(module_name, path) 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[name] = mod uisetup = getattr(mod, 'uisetup', None) if uisetup: uisetup(ui) reposetup = getattr(mod, 'reposetup', None) if reposetup: hg.repo_setup_hooks.append(reposetup) cmdtable = getattr(mod, 'cmdtable', {}) overrides = [cmd for cmd in cmdtable if cmd in commands.table] if overrides: ui.warn(_("extension '%s' overrides commands: %s\n") % (name, " ".join(overrides))) commands.table.update(cmdtable) def loadall(ui): result = ui.configitems("extensions") for i, (name, path) in enumerate(result): if path: path = os.path.expanduser(path) try: load(ui, name, path) except (util.SignalInterrupt, KeyboardInterrupt): raise except Exception, inst: ui.warn(_("*** failed to import extension %s: %s\n") % (name, inst)) if ui.print_exc(): return 1