Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/extensions.py @ 4633:ff7253a0d1da

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Cleanup of whitespace, indentation and line continuation.
author Thomas Arendsen Hein <thomas@intevation.de>
date Tue, 19 Jun 2007 08:06:37 +0200
parents 669e76b7df24
children 63b9d2deed48
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # extensions.py - extension handling for mercurial
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2 #
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3 # Copyright 2005, 2006 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 commands, hg, 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
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14 def find(name):
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15 '''return module with given extension name'''
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16 try:
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17 return _extensions[name]
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18 except KeyError:
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19 for k, v in _extensions.iteritems():
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20 if k.endswith('.' + name) or k.endswith('/' + name):
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21 return v
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22 raise KeyError(name)
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23
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24 def load(ui, name, path):
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25 if name in _extensions:
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26 return
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27 if path:
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28 # the module will be loaded in sys.modules
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29 # choose an unique name so that it doesn't
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30 # conflicts with other modules
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31 module_name = "hgext_%s" % name.replace('.', '_')
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32 if os.path.isdir(path):
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33 # module/__init__.py style
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34 d, f = os.path.split(path)
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35 fd, fpath, desc = imp.find_module(f, [d])
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36 mod = imp.load_module(module_name, fd, fpath, desc)
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37 else:
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38 mod = imp.load_source(module_name, path)
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39 else:
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40 def importh(name):
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41 mod = __import__(name)
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42 components = name.split('.')
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43 for comp in components[1:]:
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44 mod = getattr(mod, comp)
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45 return mod
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46 try:
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47 mod = importh("hgext.%s" % name)
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48 except ImportError:
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49 mod = importh(name)
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50 _extensions[name] = mod
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51
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52 uisetup = getattr(mod, 'uisetup', None)
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53 if uisetup:
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54 uisetup(ui)
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55 reposetup = getattr(mod, 'reposetup', None)
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56 if reposetup:
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57 hg.repo_setup_hooks.append(reposetup)
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58 cmdtable = getattr(mod, 'cmdtable', {})
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59 overrides = [cmd for cmd in cmdtable if cmd in commands.table]
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60 if overrides:
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61 ui.warn(_("extension '%s' overrides commands: %s\n")
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62 % (name, " ".join(overrides)))
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63 commands.table.update(cmdtable)
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64
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65 def loadall(ui):
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66 result = ui.configitems("extensions")
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67 for i, (name, path) in enumerate(result):
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68 if path:
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69 path = os.path.expanduser(path)
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70 try:
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71 load(ui, name, path)
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72 except (util.SignalInterrupt, KeyboardInterrupt):
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73 raise
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74 except Exception, inst:
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75 ui.warn(_("*** failed to import extension %s: %s\n") %
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76 (name, inst))
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77 if ui.print_exc():
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78 return 1
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79