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@@ -1,114 +1,115 b'' | |||
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1 | 1 | # extensions.py - extension handling for mercurial |
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2 | 2 | # |
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3 | 3 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms |
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6 | 6 | # of the GNU General Public License, incorporated herein by reference. |
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7 | 7 | |
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8 | 8 | import imp, os |
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9 | 9 | import util, cmdutil |
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10 | 10 | from i18n import _ |
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11 | 11 | |
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12 | 12 | _extensions = {} |
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13 | 13 | _order = [] |
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14 | 14 | |
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15 | 15 | def extensions(): |
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16 | 16 | for name in _order: |
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17 | 17 | module = _extensions[name] |
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18 | 18 | if module: |
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19 | 19 | yield name, module |
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20 | 20 | |
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21 | 21 | def find(name): |
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22 | 22 | '''return module with given extension name''' |
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23 | 23 | try: |
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24 | 24 | return _extensions[name] |
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25 | 25 | except KeyError: |
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26 | 26 | for k, v in _extensions.iteritems(): |
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27 | 27 | if k.endswith('.' + name) or k.endswith('/' + name): |
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28 | 28 | return v |
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29 | 29 | raise KeyError(name) |
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30 | 30 | |
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31 | 31 | def load(ui, name, path): |
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32 | 32 | if name.startswith('hgext.') or name.startswith('hgext/'): |
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33 | 33 | shortname = name[6:] |
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34 | 34 | else: |
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35 | 35 | shortname = name |
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36 | 36 | if shortname in _extensions: |
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37 | 37 | return |
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38 | 38 | _extensions[shortname] = None |
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39 | 39 | if path: |
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40 | 40 | # the module will be loaded in sys.modules |
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41 | 41 | # choose an unique name so that it doesn't |
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42 | 42 | # conflicts with other modules |
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43 | 43 | module_name = "hgext_%s" % name.replace('.', '_') |
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44 | 44 | if os.path.isdir(path): |
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45 | 45 | # module/__init__.py style |
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46 | 46 | d, f = os.path.split(path) |
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47 | 47 | fd, fpath, desc = imp.find_module(f, [d]) |
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48 | 48 | mod = imp.load_module(module_name, fd, fpath, desc) |
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49 | 49 | else: |
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50 | 50 | mod = imp.load_source(module_name, path) |
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51 | 51 | else: |
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52 | 52 | def importh(name): |
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53 | 53 | mod = __import__(name) |
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54 | 54 | components = name.split('.') |
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55 | 55 | for comp in components[1:]: |
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56 | 56 | mod = getattr(mod, comp) |
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57 | 57 | return mod |
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58 | 58 | try: |
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59 | 59 | mod = importh("hgext.%s" % name) |
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60 | 60 | except ImportError: |
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61 | 61 | mod = importh(name) |
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62 | 62 | _extensions[shortname] = mod |
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63 | 63 | _order.append(shortname) |
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64 | 64 | |
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65 | 65 | uisetup = getattr(mod, 'uisetup', None) |
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66 | 66 | if uisetup: |
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67 | 67 | uisetup(ui) |
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68 | 68 | |
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69 | 69 | def loadall(ui): |
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70 | 70 | result = ui.configitems("extensions") |
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71 | 71 | for i, (name, path) in enumerate(result): |
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72 | 72 | if path: |
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73 | 73 | if path[0] == '!': |
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74 | 74 | continue |
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75 | 75 | path = os.path.expanduser(path) |
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76 | 76 | try: |
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77 | 77 | load(ui, name, path) |
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78 | 78 | except (util.SignalInterrupt, KeyboardInterrupt): |
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79 | 79 | raise |
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80 | 80 | except Exception, inst: |
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81 | 81 | if path: |
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82 | 82 | ui.warn(_("*** failed to import extension %s from %s: %s\n") |
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83 | 83 | % (name, path, inst)) |
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84 | 84 | else: |
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85 | 85 | ui.warn(_("*** failed to import extension %s: %s\n") |
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86 | 86 | % (name, inst)) |
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87 | 87 | if ui.print_exc(): |
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88 | 88 | return 1 |
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89 | 89 | |
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90 | 90 | def wrapcommand(table, command, wrapper): |
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91 | 91 | aliases, entry = cmdutil.findcmd(command, table) |
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92 | 92 | for alias, e in table.iteritems(): |
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93 | 93 | if e is entry: |
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94 | 94 | key = alias |
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95 | 95 | break |
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96 | 96 | |
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97 | 97 | origfn = entry[0] |
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98 | 98 | def wrap(*args, **kwargs): |
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99 | 99 | return wrapper(origfn, *args, **kwargs) |
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100 | 100 | |
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101 | 101 | wrap.__doc__ = getattr(origfn, '__doc__') |
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102 | wrap.__module__ = getattr(origfn, '__module__') | |
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102 | 103 | |
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103 | 104 | newentry = list(entry) |
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104 | 105 | newentry[0] = wrap |
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105 | 106 | table[key] = tuple(newentry) |
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106 | 107 | return entry |
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107 | 108 | |
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108 | 109 | def wrapfunction(container, funcname, wrapper): |
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109 | 110 | def wrap(*args, **kwargs): |
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110 | 111 | return wrapper(origfn, *args, **kwargs) |
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111 | 112 | |
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112 | 113 | origfn = getattr(container, funcname) |
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113 | 114 | setattr(container, funcname, wrap) |
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114 | 115 | return origfn |
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