Mercurial > hg
annotate mercurial/extensions.py @ 33251:a5cb2e4460de
transaction: track new obsmarkers in the 'changes' mapping
The obsstore collaborate with transaction to make sure we track all the
obsmarkers added during a transaction. This will be useful for various usages:
hooks, caches, better output, etc.
This is the seconds kind of data added to tr.changes (first one was added revisions)
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 27 Jun 2017 02:45:09 +0200 |
parents | c467d13334ee |
children | 68b7ceda99d7 |
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 configitems, |
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22 encoding, |
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23 error, |
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24 pycompat, |
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25 util, |
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26 ) |
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27 |
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28 _extensions = {} |
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29 _disabledextensions = {} |
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30 _aftercallbacks = {} |
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31 _order = [] |
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32 _builtin = {'hbisect', 'bookmarks', 'parentrevspec', 'progress', 'interhg', |
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33 'inotify', 'hgcia'} |
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34 |
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35 def extensions(ui=None): |
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36 if ui: |
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37 def enabled(name): |
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38 for format in ['%s', 'hgext.%s']: |
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39 conf = ui.config('extensions', format % name) |
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40 if conf is not None and not conf.startswith('!'): |
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41 return True |
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42 else: |
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43 enabled = lambda name: True |
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44 for name in _order: |
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45 module = _extensions[name] |
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46 if module and enabled(name): |
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47 yield name, module |
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48 |
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49 def find(name): |
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50 '''return module with given extension name''' |
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51 mod = None |
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52 try: |
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53 mod = _extensions[name] |
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54 except KeyError: |
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55 for k, v in _extensions.iteritems(): |
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56 if k.endswith('.' + name) or k.endswith('/' + name): |
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57 mod = v |
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58 break |
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59 if not mod: |
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60 raise KeyError(name) |
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61 return mod |
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62 |
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63 def loadpath(path, module_name): |
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64 module_name = module_name.replace('.', '_') |
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65 path = util.normpath(util.expandpath(path)) |
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66 module_name = pycompat.fsdecode(module_name) |
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67 path = pycompat.fsdecode(path) |
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68 if os.path.isdir(path): |
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69 # module/__init__.py style |
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70 d, f = os.path.split(path) |
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71 fd, fpath, desc = imp.find_module(f, [d]) |
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72 return imp.load_module(module_name, fd, fpath, desc) |
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73 else: |
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74 try: |
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75 return imp.load_source(module_name, path) |
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76 except IOError as exc: |
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77 if not exc.filename: |
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78 exc.filename = path # python does not fill this |
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79 raise |
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80 |
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81 def _importh(name): |
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82 """import and return the <name> module""" |
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83 mod = __import__(pycompat.sysstr(name)) |
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84 components = name.split('.') |
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85 for comp in components[1:]: |
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86 mod = getattr(mod, comp) |
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87 return mod |
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88 |
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89 def _importext(name, path=None, reportfunc=None): |
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90 if path: |
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91 # the module will be loaded in sys.modules |
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92 # choose an unique name so that it doesn't |
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93 # conflicts with other modules |
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94 mod = loadpath(path, 'hgext.%s' % name) |
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95 else: |
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96 try: |
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97 mod = _importh("hgext.%s" % name) |
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98 except ImportError as err: |
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99 if reportfunc: |
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100 reportfunc(err, "hgext.%s" % name, "hgext3rd.%s" % name) |
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101 try: |
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102 mod = _importh("hgext3rd.%s" % name) |
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103 except ImportError as err: |
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104 if reportfunc: |
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105 reportfunc(err, "hgext3rd.%s" % name, name) |
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106 mod = _importh(name) |
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107 return mod |
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108 |
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109 def _forbytes(inst): |
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110 """Portably format an import error into a form suitable for |
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111 %-formatting into bytestrings.""" |
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112 return encoding.strtolocal(str(inst)) |
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113 |
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114 def _reportimporterror(ui, err, failed, next): |
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115 # note: this ui.debug happens before --debug is processed, |
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116 # Use --config ui.debug=1 to see them. |
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117 ui.debug('could not import %s (%s): trying %s\n' |
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118 % (failed, _forbytes(err), next)) |
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119 if ui.debugflag: |
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120 ui.traceback() |
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121 |
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122 # attributes set by registrar.command |
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123 _cmdfuncattrs = ('norepo', 'optionalrepo', 'inferrepo') |
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124 |
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125 def _validatecmdtable(ui, cmdtable): |
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126 """Check if extension commands have required attributes""" |
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127 for c, e in cmdtable.iteritems(): |
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128 f = e[0] |
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129 if getattr(f, '_deprecatedregistrar', False): |
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130 ui.deprecwarn("cmdutil.command is deprecated, use " |
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131 "registrar.command to register '%s'" % c, '4.6') |
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132 missing = [a for a in _cmdfuncattrs if not util.safehasattr(f, a)] |
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133 if not missing: |
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134 continue |
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135 raise error.ProgrammingError( |
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136 'missing attributes: %s' % ', '.join(missing), |
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137 hint="use @command decorator to register '%s'" % c) |
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138 |
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139 def load(ui, name, path): |
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140 if name.startswith('hgext.') or name.startswith('hgext/'): |
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141 shortname = name[6:] |
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142 else: |
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143 shortname = name |
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144 if shortname in _builtin: |
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145 return None |
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146 if shortname in _extensions: |
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147 return _extensions[shortname] |
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Cache extension load failures.
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148 _extensions[shortname] = None |
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149 mod = _importext(name, path, bind(_reportimporterror, ui)) |
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150 |
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151 # Before we do anything with the extension, check against minimum stated |
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152 # compatibility. This gives extension authors a mechanism to have their |
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153 # extensions short circuit when loaded with a known incompatible version |
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154 # of Mercurial. |
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155 minver = getattr(mod, 'minimumhgversion', None) |
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156 if minver and util.versiontuple(minver, 2) > util.versiontuple(n=2): |
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157 ui.warn(_('(third party extension %s requires version %s or newer ' |
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158 'of Mercurial; disabling)\n') % (shortname, minver)) |
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159 return |
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160 _validatecmdtable(ui, getattr(mod, 'cmdtable', {})) |
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161 |
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162 _extensions[shortname] = mod |
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163 _order.append(shortname) |
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164 for fn in _aftercallbacks.get(shortname, []): |
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165 fn(loaded=True) |
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166 return mod |
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167 |
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168 def _runuisetup(name, ui): |
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169 uisetup = getattr(_extensions[name], 'uisetup', None) |
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170 if uisetup: |
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171 try: |
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172 uisetup(ui) |
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173 except Exception as inst: |
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174 ui.traceback() |
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175 msg = _forbytes(inst) |
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176 ui.warn(_("*** failed to set up extension %s: %s\n") % (name, msg)) |
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177 return False |
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178 return True |
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179 |
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180 def _runextsetup(name, ui): |
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181 extsetup = getattr(_extensions[name], 'extsetup', None) |
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182 if extsetup: |
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183 try: |
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184 try: |
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185 extsetup(ui) |
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186 except TypeError: |
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187 if inspect.getargspec(extsetup).args: |
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188 raise |
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189 extsetup() # old extsetup with no ui argument |
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190 except Exception as inst: |
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191 ui.traceback() |
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192 msg = _forbytes(inst) |
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193 ui.warn(_("*** failed to set up extension %s: %s\n") % (name, msg)) |
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194 return False |
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195 return True |
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196 |
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197 def loadall(ui, whitelist=None): |
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198 result = ui.configitems("extensions") |
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199 if whitelist is not None: |
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200 result = [(k, v) for (k, v) in result if k in whitelist] |
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201 newindex = len(_order) |
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cleanup: drop enumerate() when index is not used
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202 for (name, path) in result: |
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203 if path: |
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204 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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205 _disabledextensions[name] = path[1:] |
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Allow explicit disabling of extensions
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206 continue |
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207 try: |
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208 load(ui, name, path) |
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209 except Exception as inst: |
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210 msg = _forbytes(inst) |
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211 if path: |
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212 ui.warn(_("*** failed to import extension %s from %s: %s\n") |
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213 % (name, path, msg)) |
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214 else: |
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215 ui.warn(_("*** failed to import extension %s: %s\n") |
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216 % (name, msg)) |
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217 if isinstance(inst, error.Hint) and inst.hint: |
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218 ui.warn(_("*** (%s)\n") % inst.hint) |
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219 ui.traceback() |
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220 |
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221 broken = set() |
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222 for name in _order[newindex:]: |
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223 if not _runuisetup(name, ui): |
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224 broken.add(name) |
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225 |
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226 for name in _order[newindex:]: |
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227 if name in broken: |
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228 continue |
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229 if not _runextsetup(name, ui): |
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230 broken.add(name) |
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231 |
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232 for name in broken: |
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233 _extensions[name] = None |
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234 |
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235 # Call aftercallbacks that were never met. |
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236 for shortname in _aftercallbacks: |
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237 if shortname in _extensions: |
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238 continue |
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239 |
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240 for fn in _aftercallbacks[shortname]: |
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241 fn(loaded=False) |
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242 |
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243 # loadall() is called multiple times and lingering _aftercallbacks |
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244 # entries could result in double execution. See issue4646. |
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245 _aftercallbacks.clear() |
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246 |
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247 # delay importing avoids cyclic dependency (especially commands) |
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248 from . import ( |
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249 color, |
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250 commands, |
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251 fileset, |
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252 revset, |
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253 templatefilters, |
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254 templatekw, |
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255 templater, |
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256 ) |
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257 |
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258 # list of (objname, loadermod, loadername) tuple: |
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259 # - objname is the name of an object in extension module, |
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260 # from which extra information is loaded |
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261 # - loadermod is the module where loader is placed |
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262 # - loadername is the name of the function, |
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263 # which takes (ui, extensionname, extraobj) arguments |
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264 extraloaders = [ |
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265 ('cmdtable', commands, 'loadcmdtable'), |
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266 ('colortable', color, 'loadcolortable'), |
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267 ('configtable', configitems, 'loadconfigtable'), |
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268 ('filesetpredicate', fileset, 'loadpredicate'), |
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269 ('revsetpredicate', revset, 'loadpredicate'), |
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270 ('templatefilter', templatefilters, 'loadfilter'), |
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271 ('templatefunc', templater, 'loadfunction'), |
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272 ('templatekeyword', templatekw, 'loadkeyword'), |
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273 ] |
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274 |
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275 for name in _order[newindex:]: |
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276 module = _extensions[name] |
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277 if not module: |
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278 continue # loading this module failed |
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279 |
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280 for objname, loadermod, loadername in extraloaders: |
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281 extraobj = getattr(module, objname, None) |
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282 if extraobj is not None: |
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283 getattr(loadermod, loadername)(ui, name, extraobj) |
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284 |
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285 def afterloaded(extension, callback): |
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286 '''Run the specified function after a named extension is loaded. |
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287 |
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288 If the named extension is already loaded, the callback will be called |
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289 immediately. |
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290 |
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291 If the named extension never loads, the callback will be called after |
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292 all extensions have been loaded. |
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293 |
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294 The callback receives the named argument ``loaded``, which is a boolean |
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295 indicating whether the dependent extension actually loaded. |
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296 ''' |
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297 |
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298 if extension in _extensions: |
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299 # Report loaded as False if the extension is disabled |
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300 loaded = (_extensions[extension] is not None) |
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301 callback(loaded=loaded) |
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302 else: |
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303 _aftercallbacks.setdefault(extension, []).append(callback) |
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304 |
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305 def bind(func, *args): |
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306 '''Partial function application |
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307 |
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308 Returns a new function that is the partial application of args and kwargs |
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309 to func. For example, |
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310 |
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311 f(1, 2, bar=3) === bind(f, 1)(2, bar=3)''' |
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312 assert callable(func) |
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313 def closure(*a, **kw): |
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314 return func(*(args + a), **kw) |
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315 return closure |
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316 |
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317 def _updatewrapper(wrap, origfn, unboundwrapper): |
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318 '''Copy and add some useful attributes to wrapper''' |
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319 wrap.__module__ = getattr(origfn, '__module__') |
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320 wrap.__doc__ = getattr(origfn, '__doc__') |
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321 wrap.__dict__.update(getattr(origfn, '__dict__', {})) |
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322 wrap._origfunc = origfn |
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323 wrap._unboundwrapper = unboundwrapper |
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324 |
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325 def wrapcommand(table, command, wrapper, synopsis=None, docstring=None): |
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326 '''Wrap the command named `command' in table |
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327 |
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328 Replace command in the command table with wrapper. The wrapped command will |
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329 be inserted into the command table specified by the table argument. |
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330 |
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331 The wrapper will be called like |
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332 |
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333 wrapper(orig, *args, **kwargs) |
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334 |
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335 where orig is the original (wrapped) function, and *args, **kwargs |
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336 are the arguments passed to it. |
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337 |
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338 Optionally append to the command synopsis and docstring, used for help. |
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339 For example, if your extension wraps the ``bookmarks`` command to add the |
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340 flags ``--remote`` and ``--all`` you might call this function like so: |
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341 |
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342 synopsis = ' [-a] [--remote]' |
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343 docstring = """ |
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344 |
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345 The ``remotenames`` extension adds the ``--remote`` and ``--all`` (``-a``) |
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346 flags to the bookmarks command. Either flag will show the remote bookmarks |
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347 known to the repository; ``--remote`` will also suppress the output of the |
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348 local bookmarks. |
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349 """ |
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350 |
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351 extensions.wrapcommand(commands.table, 'bookmarks', exbookmarks, |
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352 synopsis, docstring) |
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353 ''' |
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354 assert callable(wrapper) |
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355 aliases, entry = cmdutil.findcmd(command, table) |
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356 for alias, e in table.iteritems(): |
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357 if e is entry: |
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358 key = alias |
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359 break |
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360 |
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361 origfn = entry[0] |
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362 wrap = bind(util.checksignature(wrapper), util.checksignature(origfn)) |
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363 _updatewrapper(wrap, origfn, wrapper) |
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364 if docstring is not None: |
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365 wrap.__doc__ += docstring |
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366 |
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367 newentry = list(entry) |
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368 newentry[0] = wrap |
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369 if synopsis is not None: |
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370 newentry[2] += synopsis |
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371 table[key] = tuple(newentry) |
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372 return entry |
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373 |
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374 def wrapfilecache(cls, propname, wrapper): |
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375 """Wraps a filecache property. |
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376 |
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377 These can't be wrapped using the normal wrapfunction. |
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378 """ |
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379 assert callable(wrapper) |
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380 for currcls in cls.__mro__: |
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381 if propname in currcls.__dict__: |
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382 origfn = currcls.__dict__[propname].func |
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383 assert callable(origfn) |
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384 def wrap(*args, **kwargs): |
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385 return wrapper(origfn, *args, **kwargs) |
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386 currcls.__dict__[propname].func = wrap |
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387 break |
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388 |
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389 if currcls is object: |
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390 raise AttributeError( |
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391 _("type '%s' has no property '%s'") % (cls, propname)) |
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392 |
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393 def wrapfunction(container, funcname, wrapper): |
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394 '''Wrap the function named funcname in container |
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395 |
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396 Replace the funcname member in the given container with the specified |
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397 wrapper. The container is typically a module, class, or instance. |
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398 |
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399 The wrapper will be called like |
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400 |
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401 wrapper(orig, *args, **kwargs) |
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402 |
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403 where orig is the original (wrapped) function, and *args, **kwargs |
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404 are the arguments passed to it. |
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405 |
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406 Wrapping methods of the repository object is not recommended since |
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407 it conflicts with extensions that extend the repository by |
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408 subclassing. All extensions that need to extend methods of |
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409 localrepository should use this subclassing trick: namely, |
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410 reposetup() should look like |
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411 |
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412 def reposetup(ui, repo): |
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413 class myrepo(repo.__class__): |
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414 def whatever(self, *args, **kwargs): |
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415 [...extension stuff...] |
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416 super(myrepo, self).whatever(*args, **kwargs) |
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417 [...extension stuff...] |
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418 |
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419 repo.__class__ = myrepo |
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420 |
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421 In general, combining wrapfunction() with subclassing does not |
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422 work. Since you cannot control what other extensions are loaded by |
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423 your end users, you should play nicely with others by using the |
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424 subclass trick. |
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425 ''' |
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426 assert callable(wrapper) |
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427 |
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428 origfn = getattr(container, funcname) |
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429 assert callable(origfn) |
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430 wrap = bind(wrapper, origfn) |
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431 _updatewrapper(wrap, origfn, wrapper) |
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432 setattr(container, funcname, wrap) |
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433 return origfn |
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434 |
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435 def unwrapfunction(container, funcname, wrapper=None): |
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436 '''undo wrapfunction |
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437 |
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438 If wrappers is None, undo the last wrap. Otherwise removes the wrapper |
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439 from the chain of wrappers. |
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440 |
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441 Return the removed wrapper. |
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442 Raise IndexError if wrapper is None and nothing to unwrap; ValueError if |
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443 wrapper is not None but is not found in the wrapper chain. |
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444 ''' |
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445 chain = getwrapperchain(container, funcname) |
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446 origfn = chain.pop() |
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447 if wrapper is None: |
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448 wrapper = chain[0] |
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449 chain.remove(wrapper) |
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450 setattr(container, funcname, origfn) |
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451 for w in reversed(chain): |
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452 wrapfunction(container, funcname, w) |
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453 return wrapper |
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454 |
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455 def getwrapperchain(container, funcname): |
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456 '''get a chain of wrappers of a function |
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457 |
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458 Return a list of functions: [newest wrapper, ..., oldest wrapper, origfunc] |
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459 |
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460 The wrapper functions are the ones passed to wrapfunction, whose first |
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461 argument is origfunc. |
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462 ''' |
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463 result = [] |
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464 fn = getattr(container, funcname) |
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465 while fn: |
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|
466 assert callable(fn) |
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|
467 result.append(getattr(fn, '_unboundwrapper', fn)) |
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Jun Wu <quark@fb.com>
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diff
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|
468 fn = getattr(fn, '_origfunc', None) |
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diff
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|
469 return result |
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parents:
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diff
changeset
|
470 |
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|
471 def _disabledpaths(strip_init=False): |
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472 '''find paths of disabled extensions. returns a dict of {name: path} |
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|
473 removes /__init__.py from packages if strip_init is True''' |
8872
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
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|
474 import hgext |
31074
2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30575
diff
changeset
|
475 extpath = os.path.dirname( |
2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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diff
changeset
|
476 os.path.abspath(pycompat.fsencode(hgext.__file__))) |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
477 try: # might not be a filesystem path |
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
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diff
changeset
|
478 files = os.listdir(extpath) |
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
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diff
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|
479 except OSError: |
10363
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|
480 return {} |
8964
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extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
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diff
changeset
|
481 |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
482 exts = {} |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
483 for e in files: |
8872
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extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
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diff
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|
484 if e.endswith('.py'): |
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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|
485 name = e.rsplit('.', 1)[0] |
d0c0013f8713
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|
486 path = os.path.join(extpath, e) |
d0c0013f8713
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diff
changeset
|
487 else: |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
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changeset
|
488 name = e |
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diff
changeset
|
489 path = os.path.join(extpath, e, '__init__.py') |
8877
08636e18268f
extensions: check for path existence only when necessary
Cédric Duval <cedricduval@free.fr>
parents:
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diff
changeset
|
490 if not os.path.exists(path): |
08636e18268f
extensions: check for path existence only when necessary
Cédric Duval <cedricduval@free.fr>
parents:
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diff
changeset
|
491 continue |
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|
492 if strip_init: |
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|
493 path = os.path.dirname(path) |
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extensions: refactor disabled()
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|
494 if name in exts or name in _order or name == '__init__': |
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extensions: refactor disabled()
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|
495 continue |
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changeset
|
496 exts[name] = path |
29895
b1ebc767563d
help: show content for explicitly disabled extension (issue5228)
liscju <piotr.listkiewicz@gmail.com>
parents:
29841
diff
changeset
|
497 exts.update(_disabledextensions) |
10363
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498 return exts |
8872
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diff
changeset
|
499 |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
500 def _moduledoc(file): |
660b0c1b6196
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parents:
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|
501 '''return the top-level python documentation for the given file |
660b0c1b6196
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Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
502 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
503 Loosely inspired by pydoc.source_synopsis(), but rewritten to |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
504 handle triple quotes and to return the whole text instead of just |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
505 the synopsis''' |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
506 result = [] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
507 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
508 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
509 while line[:1] == '#' or not line.strip(): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
510 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
511 if not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
512 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
513 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
514 start = line[:3] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
515 if start == '"""' or start == "'''": |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
516 line = line[3:] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
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parents:
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diff
changeset
|
517 while line: |
660b0c1b6196
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parents:
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diff
changeset
|
518 if line.rstrip().endswith(start): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
519 line = line.split(start)[0] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
520 if line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
521 result.append(line) |
660b0c1b6196
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Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
522 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
523 elif not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
524 return None # unmatched delimiter |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
525 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
526 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
527 else: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
528 return None |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
529 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
530 return ''.join(result) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
531 |
10363
c07974215b3d
extensions: refactor disabled()
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diff
changeset
|
532 def _disabledhelp(path): |
c07974215b3d
extensions: refactor disabled()
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parents:
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diff
changeset
|
533 '''retrieve help synopsis of a disabled extension (without importing)''' |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
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diff
changeset
|
534 try: |
c07974215b3d
extensions: refactor disabled()
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10263
diff
changeset
|
535 file = open(path) |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
536 except IOError: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
537 return |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
538 else: |
14318
1f46be4689ed
help: consolidate topic hooks in help.py
Matt Mackall <mpm@selenic.com>
parents:
14317
diff
changeset
|
539 doc = _moduledoc(file) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
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10263
diff
changeset
|
540 file.close() |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
541 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
542 if doc: # extracting localized synopsis |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
543 return gettext(doc) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
544 else: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
545 return _('(no help text available)') |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
546 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
547 def disabled(): |
14530
cd31a1cc1521
extensions: update doc of enabled() and disabled() according to d5b525697ddb
Yuya Nishihara <yuya@tcha.org>
parents:
14415
diff
changeset
|
548 '''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
|
549 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
550 from hgext import __index__ |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
551 return dict((name, gettext(desc)) |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
552 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
|
553 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
|
554 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
555 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
556 |
10363
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extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
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diff
changeset
|
557 paths = _disabledpaths() |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
558 if not paths: |
16709
9eca39a91964
extensions.disabled: return {} instead of None no extensions are disabled
Augie Fackler <raf@durin42.com>
parents:
16667
diff
changeset
|
559 return {} |
10363
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extensions: refactor disabled()
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parents:
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diff
changeset
|
560 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
561 exts = {} |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
562 for name, path in paths.iteritems(): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
563 doc = _disabledhelp(path) |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
564 if doc: |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
565 exts[name] = doc.splitlines()[0] |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
566 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
567 return exts |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
568 |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
569 def disabledext(name): |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
570 '''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
|
571 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
572 from hgext import __index__ |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
573 if name in _order: # enabled |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
574 return |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
575 else: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
576 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
|
577 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
578 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
579 |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
580 paths = _disabledpaths() |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
581 if name in paths: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
582 return _disabledhelp(paths[name]) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
583 |
13191
1aea66b71f4f
extensions: warn about invalid extensions when listing disabled commands
Mads Kiilerich <mads@kiilerich.com>
parents:
12779
diff
changeset
|
584 def disabledcmd(ui, cmd, strict=False): |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
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585 '''import disabled extensions until cmd is found. |
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586 returns (cmdname, extname, module)''' |
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587 |
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588 paths = _disabledpaths(strip_init=True) |
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589 if not paths: |
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590 raise error.UnknownCommand(cmd) |
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591 |
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592 def findcmd(cmd, name, path): |
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593 try: |
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594 mod = loadpath(path, 'hgext.%s' % name) |
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595 except Exception: |
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596 return |
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597 try: |
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598 aliases, entry = cmdutil.findcmd(cmd, |
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599 getattr(mod, 'cmdtable', {}), strict) |
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600 except (error.AmbiguousCommand, error.UnknownCommand): |
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601 return |
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602 except Exception: |
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603 ui.warn(_('warning: error finding commands in %s\n') % path) |
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604 ui.traceback() |
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605 return |
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606 for c in aliases: |
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607 if c.startswith(cmd): |
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608 cmd = c |
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609 break |
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610 else: |
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611 cmd = aliases[0] |
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612 return (cmd, name, mod) |
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613 |
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614 ext = None |
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615 # first, search for an extension with the same name as the command |
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616 path = paths.pop(cmd, None) |
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617 if path: |
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618 ext = findcmd(cmd, cmd, path) |
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619 if not ext: |
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620 # otherwise, interrogate each extension until there's a match |
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621 for name, path in paths.iteritems(): |
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622 ext = findcmd(cmd, name, path) |
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623 if ext: |
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624 break |
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625 if ext and 'DEPRECATED' not in ext.__doc__: |
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626 return ext |
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627 |
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628 raise error.UnknownCommand(cmd) |
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629 |
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630 def enabled(shortname=True): |
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631 '''return a dict of {name: desc} of extensions''' |
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632 exts = {} |
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633 for ename, ext in extensions(): |
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634 doc = (gettext(ext.__doc__) or _('(no help text available)')) |
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635 if shortname: |
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636 ename = ename.split('.')[-1] |
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637 exts[ename] = doc.splitlines()[0].strip() |
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638 |
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639 return exts |
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640 |
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641 def notloaded(): |
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642 '''return short names of extensions that failed to load''' |
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643 return [name for name, mod in _extensions.iteritems() if mod is None] |
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644 |
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645 def moduleversion(module): |
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646 '''return version information from given module as a string''' |
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647 if (util.safehasattr(module, 'getversion') |
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648 and callable(module.getversion)): |
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649 version = module.getversion() |
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650 elif util.safehasattr(module, '__version__'): |
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651 version = module.__version__ |
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652 else: |
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653 version = '' |
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654 if isinstance(version, (list, tuple)): |
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655 version = '.'.join(str(o) for o in version) |
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656 return version |
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657 |
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658 def ismoduleinternal(module): |
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659 exttestedwith = getattr(module, 'testedwith', None) |
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660 return exttestedwith == "ships-with-hg-core" |