Mercurial > hg
annotate mercurial/extensions.py @ 33014:80a5d237a4ae
extensions: call afterloaded() with loaded=False for disabled extensions
If an extension was loaded but disabled due to a minimumhgversion check it
will be present in the _extensions map, but set to None. The rest of the
extensions code treats the extension as if it were not present in this case,
but the afterloaded() function called the callback with loaded=True.
author | Adam Simpkins <simpkins@fb.com> |
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date | Fri, 23 Jun 2017 10:59:05 -0700 |
parents | ea1c2eb7abd3 |
children | 45b0e9d05ee9 |
rev | line source |
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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 of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import imp |
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11 import inspect |
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12 import os |
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13 |
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14 from .i18n import ( |
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15 _, |
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16 gettext, |
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17 ) |
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18 |
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19 from . import ( |
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20 cmdutil, |
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21 encoding, |
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22 error, |
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23 pycompat, |
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24 util, |
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25 ) |
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26 |
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27 _extensions = {} |
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28 _disabledextensions = {} |
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29 _aftercallbacks = {} |
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30 _order = [] |
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31 _builtin = {'hbisect', 'bookmarks', 'parentrevspec', 'progress', 'interhg', |
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32 'inotify', 'hgcia'} |
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33 |
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34 def extensions(ui=None): |
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35 if ui: |
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36 def enabled(name): |
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37 for format in ['%s', 'hgext.%s']: |
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38 conf = ui.config('extensions', format % name) |
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39 if conf is not None and not conf.startswith('!'): |
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40 return True |
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41 else: |
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42 enabled = lambda name: True |
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43 for name in _order: |
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44 module = _extensions[name] |
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45 if module and enabled(name): |
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46 yield name, module |
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47 |
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48 def find(name): |
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49 '''return module with given extension name''' |
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50 mod = None |
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51 try: |
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52 mod = _extensions[name] |
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53 except KeyError: |
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54 for k, v in _extensions.iteritems(): |
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55 if k.endswith('.' + name) or k.endswith('/' + name): |
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56 mod = v |
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57 break |
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58 if not mod: |
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59 raise KeyError(name) |
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60 return mod |
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61 |
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62 def loadpath(path, module_name): |
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63 module_name = module_name.replace('.', '_') |
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64 path = util.normpath(util.expandpath(path)) |
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65 module_name = pycompat.fsdecode(module_name) |
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66 path = pycompat.fsdecode(path) |
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67 if os.path.isdir(path): |
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68 # module/__init__.py style |
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69 d, f = os.path.split(path) |
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70 fd, fpath, desc = imp.find_module(f, [d]) |
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71 return imp.load_module(module_name, fd, fpath, desc) |
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72 else: |
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73 try: |
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74 return imp.load_source(module_name, path) |
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75 except IOError as exc: |
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76 if not exc.filename: |
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77 exc.filename = path # python does not fill this |
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78 raise |
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79 |
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80 def _importh(name): |
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81 """import and return the <name> module""" |
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82 mod = __import__(pycompat.sysstr(name)) |
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83 components = name.split('.') |
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84 for comp in components[1:]: |
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85 mod = getattr(mod, comp) |
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86 return mod |
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87 |
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88 def _importext(name, path=None, reportfunc=None): |
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89 if path: |
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90 # the module will be loaded in sys.modules |
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91 # choose an unique name so that it doesn't |
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92 # conflicts with other modules |
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93 mod = loadpath(path, 'hgext.%s' % name) |
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94 else: |
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95 try: |
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96 mod = _importh("hgext.%s" % name) |
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97 except ImportError as err: |
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98 if reportfunc: |
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99 reportfunc(err, "hgext.%s" % name, "hgext3rd.%s" % name) |
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100 try: |
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101 mod = _importh("hgext3rd.%s" % name) |
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102 except ImportError as err: |
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103 if reportfunc: |
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104 reportfunc(err, "hgext3rd.%s" % name, name) |
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105 mod = _importh(name) |
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106 return mod |
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107 |
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108 def _forbytes(inst): |
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109 """Portably format an import error into a form suitable for |
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110 %-formatting into bytestrings.""" |
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111 return encoding.strtolocal(str(inst)) |
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112 |
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113 def _reportimporterror(ui, err, failed, next): |
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114 # note: this ui.debug happens before --debug is processed, |
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115 # Use --config ui.debug=1 to see them. |
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116 ui.debug('could not import %s (%s): trying %s\n' |
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117 % (failed, _forbytes(err), next)) |
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118 if ui.debugflag: |
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119 ui.traceback() |
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120 |
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121 # attributes set by registrar.command |
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122 _cmdfuncattrs = ('norepo', 'optionalrepo', 'inferrepo') |
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123 |
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124 def _validatecmdtable(ui, cmdtable): |
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125 """Check if extension commands have required attributes""" |
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126 for c, e in cmdtable.iteritems(): |
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127 f = e[0] |
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128 if getattr(f, '_deprecatedregistrar', False): |
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129 ui.deprecwarn("cmdutil.command is deprecated, use " |
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130 "registrar.command to register '%s'" % c, '4.6') |
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131 missing = [a for a in _cmdfuncattrs if not util.safehasattr(f, a)] |
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132 if not missing: |
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133 continue |
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134 raise error.ProgrammingError( |
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135 'missing attributes: %s' % ', '.join(missing), |
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136 hint="use @command decorator to register '%s'" % c) |
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137 |
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138 def load(ui, name, path): |
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139 if name.startswith('hgext.') or name.startswith('hgext/'): |
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140 shortname = name[6:] |
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141 else: |
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142 shortname = name |
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143 if shortname in _builtin: |
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144 return None |
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145 if shortname in _extensions: |
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146 return _extensions[shortname] |
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Cache extension load failures.
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147 _extensions[shortname] = None |
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148 mod = _importext(name, path, bind(_reportimporterror, ui)) |
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149 |
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150 # Before we do anything with the extension, check against minimum stated |
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151 # compatibility. This gives extension authors a mechanism to have their |
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152 # extensions short circuit when loaded with a known incompatible version |
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153 # of Mercurial. |
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154 minver = getattr(mod, 'minimumhgversion', None) |
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155 if minver and util.versiontuple(minver, 2) > util.versiontuple(n=2): |
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156 ui.warn(_('(third party extension %s requires version %s or newer ' |
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157 'of Mercurial; disabling)\n') % (shortname, minver)) |
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158 return |
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159 _validatecmdtable(ui, getattr(mod, 'cmdtable', {})) |
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160 |
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161 _extensions[shortname] = mod |
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Move cmdtable and reposetup handling out of extensions.py
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162 _order.append(shortname) |
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163 for fn in _aftercallbacks.get(shortname, []): |
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164 fn(loaded=True) |
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165 return mod |
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166 |
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167 def _runuisetup(name, ui): |
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168 uisetup = getattr(_extensions[name], 'uisetup', None) |
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169 if uisetup: |
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170 try: |
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171 uisetup(ui) |
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172 except Exception as inst: |
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173 ui.traceback() |
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174 msg = _forbytes(inst) |
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175 ui.warn(_("*** failed to set up extension %s: %s\n") % (name, msg)) |
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176 return False |
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177 return True |
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178 |
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179 def _runextsetup(name, ui): |
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180 extsetup = getattr(_extensions[name], 'extsetup', None) |
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181 if extsetup: |
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182 try: |
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183 try: |
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184 extsetup(ui) |
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185 except TypeError: |
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186 if inspect.getargspec(extsetup).args: |
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187 raise |
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188 extsetup() # old extsetup with no ui argument |
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189 except Exception as inst: |
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190 ui.traceback() |
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191 msg = _forbytes(inst) |
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192 ui.warn(_("*** failed to set up extension %s: %s\n") % (name, msg)) |
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193 return False |
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194 return True |
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195 |
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196 def loadall(ui, whitelist=None): |
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197 result = ui.configitems("extensions") |
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198 if whitelist is not None: |
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199 result = [(k, v) for (k, v) in result if k in whitelist] |
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200 newindex = len(_order) |
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cleanup: drop enumerate() when index is not used
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201 for (name, path) in result: |
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202 if path: |
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203 if path[0:1] == '!': |
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help: show content for explicitly disabled extension (issue5228)
liscju <piotr.listkiewicz@gmail.com>
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204 _disabledextensions[name] = path[1:] |
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Allow explicit disabling of extensions
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205 continue |
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206 try: |
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207 load(ui, name, path) |
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208 except Exception as inst: |
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209 msg = _forbytes(inst) |
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210 if path: |
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211 ui.warn(_("*** failed to import extension %s from %s: %s\n") |
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212 % (name, path, msg)) |
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213 else: |
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214 ui.warn(_("*** failed to import extension %s: %s\n") |
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215 % (name, msg)) |
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216 if isinstance(inst, error.Hint) and inst.hint: |
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217 ui.warn(_("*** (%s)\n") % inst.hint) |
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218 ui.traceback() |
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219 |
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220 broken = set() |
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221 for name in _order[newindex:]: |
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222 if not _runuisetup(name, ui): |
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223 broken.add(name) |
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224 |
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225 for name in _order[newindex:]: |
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226 if name in broken: |
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227 continue |
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228 if not _runextsetup(name, ui): |
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229 broken.add(name) |
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230 |
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231 for name in broken: |
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232 _extensions[name] = None |
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233 |
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234 # Call aftercallbacks that were never met. |
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235 for shortname in _aftercallbacks: |
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236 if shortname in _extensions: |
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237 continue |
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238 |
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239 for fn in _aftercallbacks[shortname]: |
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240 fn(loaded=False) |
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241 |
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242 # loadall() is called multiple times and lingering _aftercallbacks |
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243 # entries could result in double execution. See issue4646. |
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244 _aftercallbacks.clear() |
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245 |
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246 def afterloaded(extension, callback): |
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247 '''Run the specified function after a named extension is loaded. |
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248 |
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249 If the named extension is already loaded, the callback will be called |
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250 immediately. |
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251 |
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252 If the named extension never loads, the callback will be called after |
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253 all extensions have been loaded. |
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254 |
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255 The callback receives the named argument ``loaded``, which is a boolean |
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256 indicating whether the dependent extension actually loaded. |
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257 ''' |
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258 |
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259 if extension in _extensions: |
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260 # Report loaded as False if the extension is disabled |
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261 loaded = (_extensions[extension] is not None) |
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262 callback(loaded=loaded) |
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263 else: |
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264 _aftercallbacks.setdefault(extension, []).append(callback) |
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265 |
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266 def bind(func, *args): |
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267 '''Partial function application |
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268 |
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269 Returns a new function that is the partial application of args and kwargs |
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270 to func. For example, |
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271 |
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272 f(1, 2, bar=3) === bind(f, 1)(2, bar=3)''' |
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273 assert callable(func) |
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274 def closure(*a, **kw): |
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275 return func(*(args + a), **kw) |
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276 return closure |
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277 |
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278 def _updatewrapper(wrap, origfn, unboundwrapper): |
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279 '''Copy and add some useful attributes to wrapper''' |
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280 wrap.__module__ = getattr(origfn, '__module__') |
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281 wrap.__doc__ = getattr(origfn, '__doc__') |
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282 wrap.__dict__.update(getattr(origfn, '__dict__', {})) |
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283 wrap._origfunc = origfn |
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284 wrap._unboundwrapper = unboundwrapper |
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285 |
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286 def wrapcommand(table, command, wrapper, synopsis=None, docstring=None): |
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287 '''Wrap the command named `command' in table |
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288 |
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289 Replace command in the command table with wrapper. The wrapped command will |
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290 be inserted into the command table specified by the table argument. |
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291 |
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292 The wrapper will be called like |
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293 |
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294 wrapper(orig, *args, **kwargs) |
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295 |
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296 where orig is the original (wrapped) function, and *args, **kwargs |
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297 are the arguments passed to it. |
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298 |
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299 Optionally append to the command synopsis and docstring, used for help. |
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300 For example, if your extension wraps the ``bookmarks`` command to add the |
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301 flags ``--remote`` and ``--all`` you might call this function like so: |
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302 |
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303 synopsis = ' [-a] [--remote]' |
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304 docstring = """ |
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305 |
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306 The ``remotenames`` extension adds the ``--remote`` and ``--all`` (``-a``) |
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307 flags to the bookmarks command. Either flag will show the remote bookmarks |
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308 known to the repository; ``--remote`` will also suppress the output of the |
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309 local bookmarks. |
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310 """ |
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311 |
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312 extensions.wrapcommand(commands.table, 'bookmarks', exbookmarks, |
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313 synopsis, docstring) |
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314 ''' |
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315 assert callable(wrapper) |
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316 aliases, entry = cmdutil.findcmd(command, table) |
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317 for alias, e in table.iteritems(): |
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318 if e is entry: |
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319 key = alias |
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320 break |
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321 |
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322 origfn = entry[0] |
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323 wrap = bind(util.checksignature(wrapper), util.checksignature(origfn)) |
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324 _updatewrapper(wrap, origfn, wrapper) |
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325 if docstring is not None: |
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326 wrap.__doc__ += docstring |
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327 |
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328 newentry = list(entry) |
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329 newentry[0] = wrap |
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330 if synopsis is not None: |
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331 newentry[2] += synopsis |
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332 table[key] = tuple(newentry) |
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333 return entry |
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334 |
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335 def wrapfilecache(cls, propname, wrapper): |
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336 """Wraps a filecache property. |
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337 |
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338 These can't be wrapped using the normal wrapfunction. |
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339 """ |
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340 assert callable(wrapper) |
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341 for currcls in cls.__mro__: |
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342 if propname in currcls.__dict__: |
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343 origfn = currcls.__dict__[propname].func |
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344 assert callable(origfn) |
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345 def wrap(*args, **kwargs): |
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346 return wrapper(origfn, *args, **kwargs) |
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347 currcls.__dict__[propname].func = wrap |
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348 break |
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349 |
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350 if currcls is object: |
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351 raise AttributeError( |
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352 _("type '%s' has no property '%s'") % (cls, propname)) |
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353 |
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354 def wrapfunction(container, funcname, wrapper): |
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355 '''Wrap the function named funcname in container |
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356 |
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357 Replace the funcname member in the given container with the specified |
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358 wrapper. The container is typically a module, class, or instance. |
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359 |
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360 The wrapper will be called like |
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361 |
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362 wrapper(orig, *args, **kwargs) |
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363 |
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364 where orig is the original (wrapped) function, and *args, **kwargs |
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365 are the arguments passed to it. |
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366 |
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367 Wrapping methods of the repository object is not recommended since |
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368 it conflicts with extensions that extend the repository by |
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369 subclassing. All extensions that need to extend methods of |
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370 localrepository should use this subclassing trick: namely, |
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371 reposetup() should look like |
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372 |
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373 def reposetup(ui, repo): |
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374 class myrepo(repo.__class__): |
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375 def whatever(self, *args, **kwargs): |
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376 [...extension stuff...] |
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377 super(myrepo, self).whatever(*args, **kwargs) |
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378 [...extension stuff...] |
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379 |
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380 repo.__class__ = myrepo |
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381 |
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382 In general, combining wrapfunction() with subclassing does not |
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383 work. Since you cannot control what other extensions are loaded by |
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384 your end users, you should play nicely with others by using the |
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385 subclass trick. |
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386 ''' |
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387 assert callable(wrapper) |
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388 |
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389 origfn = getattr(container, funcname) |
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390 assert callable(origfn) |
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391 wrap = bind(wrapper, origfn) |
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392 _updatewrapper(wrap, origfn, wrapper) |
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393 setattr(container, funcname, wrap) |
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394 return origfn |
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395 |
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396 def unwrapfunction(container, funcname, wrapper=None): |
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397 '''undo wrapfunction |
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398 |
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399 If wrappers is None, undo the last wrap. Otherwise removes the wrapper |
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400 from the chain of wrappers. |
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401 |
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402 Return the removed wrapper. |
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403 Raise IndexError if wrapper is None and nothing to unwrap; ValueError if |
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404 wrapper is not None but is not found in the wrapper chain. |
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405 ''' |
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406 chain = getwrapperchain(container, funcname) |
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407 origfn = chain.pop() |
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408 if wrapper is None: |
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409 wrapper = chain[0] |
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410 chain.remove(wrapper) |
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411 setattr(container, funcname, origfn) |
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412 for w in reversed(chain): |
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413 wrapfunction(container, funcname, w) |
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414 return wrapper |
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415 |
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416 def getwrapperchain(container, funcname): |
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417 '''get a chain of wrappers of a function |
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418 |
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419 Return a list of functions: [newest wrapper, ..., oldest wrapper, origfunc] |
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420 |
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421 The wrapper functions are the ones passed to wrapfunction, whose first |
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422 argument is origfunc. |
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423 ''' |
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424 result = [] |
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425 fn = getattr(container, funcname) |
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426 while fn: |
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427 assert callable(fn) |
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428 result.append(getattr(fn, '_unboundwrapper', fn)) |
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429 fn = getattr(fn, '_origfunc', None) |
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430 return result |
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431 |
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432 def _disabledpaths(strip_init=False): |
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433 '''find paths of disabled extensions. returns a dict of {name: path} |
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434 removes /__init__.py from packages if strip_init is True''' |
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435 import hgext |
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436 extpath = os.path.dirname( |
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437 os.path.abspath(pycompat.fsencode(hgext.__file__))) |
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438 try: # might not be a filesystem path |
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439 files = os.listdir(extpath) |
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440 except OSError: |
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441 return {} |
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442 |
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443 exts = {} |
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444 for e in files: |
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445 if e.endswith('.py'): |
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446 name = e.rsplit('.', 1)[0] |
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447 path = os.path.join(extpath, e) |
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448 else: |
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449 name = e |
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450 path = os.path.join(extpath, e, '__init__.py') |
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451 if not os.path.exists(path): |
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452 continue |
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453 if strip_init: |
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454 path = os.path.dirname(path) |
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455 if name in exts or name in _order or name == '__init__': |
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456 continue |
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457 exts[name] = path |
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458 exts.update(_disabledextensions) |
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459 return exts |
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460 |
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461 def _moduledoc(file): |
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462 '''return the top-level python documentation for the given file |
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463 |
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464 Loosely inspired by pydoc.source_synopsis(), but rewritten to |
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465 handle triple quotes and to return the whole text instead of just |
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466 the synopsis''' |
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467 result = [] |
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468 |
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469 line = file.readline() |
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470 while line[:1] == '#' or not line.strip(): |
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471 line = file.readline() |
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Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
472 if not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
473 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
474 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
475 start = line[:3] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
476 if start == '"""' or start == "'''": |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
477 line = line[3:] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
478 while line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
479 if line.rstrip().endswith(start): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
480 line = line.split(start)[0] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
481 if line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
482 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
483 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
484 elif not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
485 return None # unmatched delimiter |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
486 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
487 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
488 else: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
489 return None |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
490 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
491 return ''.join(result) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
492 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
493 def _disabledhelp(path): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
494 '''retrieve help synopsis of a disabled extension (without importing)''' |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
495 try: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
496 file = open(path) |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
497 except IOError: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
498 return |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
499 else: |
14318
1f46be4689ed
help: consolidate topic hooks in help.py
Matt Mackall <mpm@selenic.com>
parents:
14317
diff
changeset
|
500 doc = _moduledoc(file) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
501 file.close() |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
502 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
503 if doc: # extracting localized synopsis |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
504 return gettext(doc) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
505 else: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
506 return _('(no help text available)') |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
507 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
508 def disabled(): |
14530
cd31a1cc1521
extensions: update doc of enabled() and disabled() according to d5b525697ddb
Yuya Nishihara <yuya@tcha.org>
parents:
14415
diff
changeset
|
509 '''find disabled extensions from hgext. returns a dict of {name: desc}''' |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
510 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
511 from hgext import __index__ |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
512 return dict((name, gettext(desc)) |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
513 for name, desc in __index__.docs.iteritems() |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
514 if name not in _order) |
21229
54d7657d7d1e
setup.py, make: avoid problems with outdated, existing hgext/__index__.py*
Thomas Arendsen Hein <thomas@intevation.de>
parents:
20645
diff
changeset
|
515 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
516 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
517 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
518 paths = _disabledpaths() |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
519 if not paths: |
16709
9eca39a91964
extensions.disabled: return {} instead of None no extensions are disabled
Augie Fackler <raf@durin42.com>
parents:
16667
diff
changeset
|
520 return {} |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
521 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
522 exts = {} |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
523 for name, path in paths.iteritems(): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
524 doc = _disabledhelp(path) |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
525 if doc: |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
526 exts[name] = doc.splitlines()[0] |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
527 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
528 return exts |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
529 |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
530 def disabledext(name): |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
531 '''find a specific disabled extension from hgext. returns desc''' |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
532 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
533 from hgext import __index__ |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
534 if name in _order: # enabled |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
535 return |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
536 else: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
537 return gettext(__index__.docs.get(name)) |
21229
54d7657d7d1e
setup.py, make: avoid problems with outdated, existing hgext/__index__.py*
Thomas Arendsen Hein <thomas@intevation.de>
parents:
20645
diff
changeset
|
538 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
539 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
540 |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
541 paths = _disabledpaths() |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
542 if name in paths: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
543 return _disabledhelp(paths[name]) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
544 |
13191
1aea66b71f4f
extensions: warn about invalid extensions when listing disabled commands
Mads Kiilerich <mads@kiilerich.com>
parents:
12779
diff
changeset
|
545 def disabledcmd(ui, cmd, strict=False): |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
546 '''import disabled extensions until cmd is found. |
16666
b9bef21cd214
extensions: fix documentation of disabledcmd return value
Augie Fackler <raf@durin42.com>
parents:
15199
diff
changeset
|
547 returns (cmdname, extname, module)''' |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
548 |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
549 paths = _disabledpaths(strip_init=True) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
550 if not paths: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
551 raise error.UnknownCommand(cmd) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
552 |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
553 def findcmd(cmd, name, path): |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
554 try: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
555 mod = loadpath(path, 'hgext.%s' % name) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
556 except Exception: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
557 return |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
558 try: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
559 aliases, entry = cmdutil.findcmd(cmd, |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
560 getattr(mod, 'cmdtable', {}), strict) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
561 except (error.AmbiguousCommand, error.UnknownCommand): |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
562 return |
13191
1aea66b71f4f
extensions: warn about invalid extensions when listing disabled commands
Mads Kiilerich <mads@kiilerich.com>
parents:
12779
diff
changeset
|
563 except Exception: |
1aea66b71f4f
extensions: warn about invalid extensions when listing disabled commands
Mads Kiilerich <mads@kiilerich.com>
parents:
12779
diff
changeset
|
564 ui.warn(_('warning: error finding commands in %s\n') % path) |
1aea66b71f4f
extensions: warn about invalid extensions when listing disabled commands
Mads Kiilerich <mads@kiilerich.com>
parents:
12779
diff
changeset
|
565 ui.traceback() |
1aea66b71f4f
extensions: warn about invalid extensions when listing disabled commands
Mads Kiilerich <mads@kiilerich.com>
parents:
12779
diff
changeset
|
566 return |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
567 for c in aliases: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
568 if c.startswith(cmd): |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
569 cmd = c |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
570 break |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
571 else: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
572 cmd = aliases[0] |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
573 return (cmd, name, mod) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
574 |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
575 ext = None |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
576 # first, search for an extension with the same name as the command |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
577 path = paths.pop(cmd, None) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
578 if path: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
579 ext = findcmd(cmd, cmd, path) |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
580 if not ext: |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
581 # otherwise, interrogate each extension until there's a match |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
582 for name, path in paths.iteritems(): |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
583 ext = findcmd(cmd, name, path) |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
584 if ext: |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
585 break |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
586 if ext and 'DEPRECATED' not in ext.__doc__: |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
587 return ext |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
588 |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
589 raise error.UnknownCommand(cmd) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
590 |
19769
83d79a00cc24
help: use full name of extensions to look up them for keyword search
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18692
diff
changeset
|
591 def enabled(shortname=True): |
14530
cd31a1cc1521
extensions: update doc of enabled() and disabled() according to d5b525697ddb
Yuya Nishihara <yuya@tcha.org>
parents:
14415
diff
changeset
|
592 '''return a dict of {name: desc} of extensions''' |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
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593 exts = {} |
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extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
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594 for ename, ext in extensions(): |
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
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595 doc = (gettext(ext.__doc__) or _('(no help text available)')) |
19769
83d79a00cc24
help: use full name of extensions to look up them for keyword search
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18692
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596 if shortname: |
83d79a00cc24
help: use full name of extensions to look up them for keyword search
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18692
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597 ename = ename.split('.')[-1] |
9136
31177742f54a
for calls expecting bool args, pass bool instead of int
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
9020
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598 exts[ename] = doc.splitlines()[0].strip() |
8871
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extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
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599 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
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600 return exts |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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601 |
28155
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
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602 def notloaded(): |
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extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
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603 '''return short names of extensions that failed to load''' |
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
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604 return [name for name, mod in _extensions.iteritems() if mod is None] |
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
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605 |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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606 def moduleversion(module): |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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607 '''return version information from given module as a string''' |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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608 if (util.safehasattr(module, 'getversion') |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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609 and callable(module.getversion)): |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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610 version = module.getversion() |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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611 elif util.safehasattr(module, '__version__'): |
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version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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612 version = module.__version__ |
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version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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613 else: |
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version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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614 version = '' |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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615 if isinstance(version, (list, tuple)): |
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version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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616 version = '.'.join(str(o) for o in version) |
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version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
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617 return version |
27990
96bfd2875213
version: verbose list internal and external extension source (issue4731)
liscju <piotr.listkiewicz@gmail.com>
parents:
27637
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618 |
96bfd2875213
version: verbose list internal and external extension source (issue4731)
liscju <piotr.listkiewicz@gmail.com>
parents:
27637
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619 def ismoduleinternal(module): |
96bfd2875213
version: verbose list internal and external extension source (issue4731)
liscju <piotr.listkiewicz@gmail.com>
parents:
27637
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620 exttestedwith = getattr(module, 'testedwith', None) |
29841
d5883fd055c6
extensions: change magic "shipped with hg" string
Augie Fackler <augie@google.com>
parents:
29765
diff
changeset
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621 return exttestedwith == "ships-with-hg-core" |