Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/extensions.py @ 4739:1da35d1e7ef9

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Added full URL to debug output if something doesn't look like an http hg repo. This way it is easier to debug problems with failing subcommands, like changegroupsubset due to permission problems, when generally accessing the repository works fine.
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 29 Jun 2007 11:13:36 +0200
parents 63b9d2deed48
children 616a5adbf402 b3cc62268a91
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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 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