Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/extensions.py @ 5119:0751c25ea0c0

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raise util.Abort again if specified revision is not an integer. This was changed to NoRepo in 462cc56d898f, because specifying non-integer revisions for e.g. the Mercurial backend caused Abort to be raised in the subversion importer. Now util.Abort is raised again, but the check is done after verifying if it really is a subversion repository.
author Thomas Arendsen Hein <thomas@intevation.de>
date Tue, 07 Aug 2007 12:24:25 +0200
parents af0995261f02
children 3edd6fedc33a
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1 # extensions.py - extension handling for mercurial
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2 #
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 import imp, os
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9 import util, sys
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10 from i18n import _
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11
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12 _extensions = {}
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13 commandtable = {}
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14 setuphooks = []
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15
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16 def find(name):
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17 '''return module with given extension name'''
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18 try:
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19 return _extensions[name]
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20 except KeyError:
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21 for k, v in _extensions.iteritems():
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22 if k.endswith('.' + name) or k.endswith('/' + name):
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23 return v
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24 raise KeyError(name)
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25
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26 def load(ui, name, path):
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27 if name.startswith('hgext.'):
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28 shortname = name[6:]
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29 else:
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30 shortname = name
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31 if shortname in _extensions:
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32 return
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33 if path:
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34 # the module will be loaded in sys.modules
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35 # choose an unique name so that it doesn't
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36 # conflicts with other modules
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37 module_name = "hgext_%s" % name.replace('.', '_')
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38 if os.path.isdir(path):
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39 # module/__init__.py style
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40 d, f = os.path.split(path)
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41 fd, fpath, desc = imp.find_module(f, [d])
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42 mod = imp.load_module(module_name, fd, fpath, desc)
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43 else:
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44 mod = imp.load_source(module_name, path)
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45 else:
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46 def importh(name):
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47 mod = __import__(name)
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48 components = name.split('.')
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49 for comp in components[1:]:
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50 mod = getattr(mod, comp)
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51 return mod
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52 try:
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53 mod = importh("hgext.%s" % name)
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54 except ImportError:
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55 mod = importh(name)
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56 _extensions[shortname] = mod
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57
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58 uisetup = getattr(mod, 'uisetup', None)
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59 if uisetup:
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60 uisetup(ui)
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61 reposetup = getattr(mod, 'reposetup', None)
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62 if reposetup:
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63 setuphooks.append(reposetup)
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64 cmdtable = getattr(mod, 'cmdtable', {})
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65 overrides = [cmd for cmd in cmdtable if cmd in commandtable]
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66 if overrides:
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67 ui.warn(_("extension '%s' overrides commands: %s\n")
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68 % (name, " ".join(overrides)))
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69 commandtable.update(cmdtable)
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70
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71 def loadall(ui):
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72 result = ui.configitems("extensions")
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73 for i, (name, path) in enumerate(result):
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74 if path:
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75 path = os.path.expanduser(path)
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76 try:
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77 load(ui, name, path)
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78 except (util.SignalInterrupt, KeyboardInterrupt):
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79 raise
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80 except Exception, inst:
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81 ui.warn(_("*** failed to import extension %s: %s\n") %
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82 (name, inst))
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83 if ui.print_exc():
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84 return 1
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85