Mercurial > hg
annotate mercurial/extensions.py @ 40996:6f2510b581a0
extensions: use ui.log() interface to provide detailed loading information
The output format changes and the messages will be sent to stderr instead of
stdout, but I don't think that matters.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sat, 15 Dec 2018 16:28:29 +0900 |
parents | c93d046d4300 |
children | 28a4fb793ba1 |
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 ast |
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11 import collections |
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12 import functools |
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13 import imp |
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14 import inspect |
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15 import os |
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16 |
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17 from .i18n import ( |
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18 _, |
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19 gettext, |
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20 ) |
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21 |
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22 from . import ( |
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23 cmdutil, |
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24 configitems, |
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25 error, |
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26 pycompat, |
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27 util, |
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28 ) |
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29 |
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30 from .utils import ( |
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31 stringutil, |
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32 ) |
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33 |
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34 _extensions = {} |
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35 _disabledextensions = {} |
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36 _aftercallbacks = {} |
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37 _order = [] |
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38 _builtin = { |
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39 'hbisect', |
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40 'bookmarks', |
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41 'color', |
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42 'parentrevspec', |
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43 'progress', |
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44 'interhg', |
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45 'inotify', |
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46 'hgcia' |
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47 } |
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48 |
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49 def extensions(ui=None): |
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50 if ui: |
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51 def enabled(name): |
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52 for format in ['%s', 'hgext.%s']: |
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53 conf = ui.config('extensions', format % name) |
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54 if conf is not None and not conf.startswith('!'): |
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55 return True |
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56 else: |
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57 enabled = lambda name: True |
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58 for name in _order: |
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59 module = _extensions[name] |
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60 if module and enabled(name): |
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61 yield name, module |
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62 |
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63 def find(name): |
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64 '''return module with given extension name''' |
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65 mod = None |
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66 try: |
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67 mod = _extensions[name] |
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68 except KeyError: |
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69 for k, v in _extensions.iteritems(): |
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70 if k.endswith('.' + name) or k.endswith('/' + name): |
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71 mod = v |
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72 break |
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73 if not mod: |
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74 raise KeyError(name) |
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75 return mod |
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76 |
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77 def loadpath(path, module_name): |
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78 module_name = module_name.replace('.', '_') |
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79 path = util.normpath(util.expandpath(path)) |
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80 module_name = pycompat.fsdecode(module_name) |
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81 path = pycompat.fsdecode(path) |
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82 if os.path.isdir(path): |
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83 # module/__init__.py style |
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84 d, f = os.path.split(path) |
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85 fd, fpath, desc = imp.find_module(f, [d]) |
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86 return imp.load_module(module_name, fd, fpath, desc) |
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87 else: |
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88 try: |
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89 return imp.load_source(module_name, path) |
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90 except IOError as exc: |
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91 if not exc.filename: |
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92 exc.filename = path # python does not fill this |
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93 raise |
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94 |
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95 def _importh(name): |
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96 """import and return the <name> module""" |
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97 mod = __import__(pycompat.sysstr(name)) |
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98 components = name.split('.') |
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99 for comp in components[1:]: |
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100 mod = getattr(mod, comp) |
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101 return mod |
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102 |
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103 def _importext(name, path=None, reportfunc=None): |
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104 if path: |
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105 # the module will be loaded in sys.modules |
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106 # choose an unique name so that it doesn't |
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107 # conflicts with other modules |
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108 mod = loadpath(path, 'hgext.%s' % name) |
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109 else: |
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110 try: |
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111 mod = _importh("hgext.%s" % name) |
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112 except ImportError as err: |
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113 if reportfunc: |
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114 reportfunc(err, "hgext.%s" % name, "hgext3rd.%s" % name) |
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115 try: |
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116 mod = _importh("hgext3rd.%s" % name) |
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117 except ImportError as err: |
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118 if reportfunc: |
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119 reportfunc(err, "hgext3rd.%s" % name, name) |
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120 mod = _importh(name) |
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121 return mod |
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122 |
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123 def _reportimporterror(ui, err, failed, next): |
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124 # note: this ui.log happens before --debug is processed, |
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125 # Use --config ui.debug=1 to see them. |
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126 ui.log(b'extension', b' - could not import %s (%s): trying %s\n', |
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127 failed, stringutil.forcebytestr(err), next) |
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128 if ui.debugflag and ui.configbool('devel', 'debug.extensions'): |
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129 ui.traceback() |
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130 |
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131 def _rejectunicode(name, xs): |
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132 if isinstance(xs, (list, set, tuple)): |
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133 for x in xs: |
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134 _rejectunicode(name, x) |
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135 elif isinstance(xs, dict): |
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136 for k, v in xs.items(): |
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137 _rejectunicode(name, k) |
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138 _rejectunicode(b'%s.%s' % (name, stringutil.forcebytestr(k)), v) |
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139 elif isinstance(xs, type(u'')): |
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140 raise error.ProgrammingError(b"unicode %r found in %s" % (xs, name), |
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141 hint="use b'' to make it byte string") |
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142 |
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143 # attributes set by registrar.command |
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144 _cmdfuncattrs = ('norepo', 'optionalrepo', 'inferrepo') |
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145 |
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146 def _validatecmdtable(ui, cmdtable): |
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147 """Check if extension commands have required attributes""" |
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148 for c, e in cmdtable.iteritems(): |
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149 f = e[0] |
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150 missing = [a for a in _cmdfuncattrs if not util.safehasattr(f, a)] |
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151 if not missing: |
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152 continue |
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153 raise error.ProgrammingError( |
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154 'missing attributes: %s' % ', '.join(missing), |
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155 hint="use @command decorator to register '%s'" % c) |
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156 |
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157 def _validatetables(ui, mod): |
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158 """Sanity check for loadable tables provided by extension module""" |
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159 for t in ['cmdtable', 'colortable', 'configtable']: |
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160 _rejectunicode(t, getattr(mod, t, {})) |
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161 for t in ['filesetpredicate', 'internalmerge', 'revsetpredicate', |
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162 'templatefilter', 'templatefunc', 'templatekeyword']: |
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163 o = getattr(mod, t, None) |
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164 if o: |
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165 _rejectunicode(t, o._table) |
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166 _validatecmdtable(ui, getattr(mod, 'cmdtable', {})) |
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167 |
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168 def load(ui, name, path, loadingtime=None): |
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169 if name.startswith('hgext.') or name.startswith('hgext/'): |
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170 shortname = name[6:] |
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171 else: |
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172 shortname = name |
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173 if shortname in _builtin: |
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174 return None |
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175 if shortname in _extensions: |
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176 return _extensions[shortname] |
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177 ui.log(b'extension', b' - loading extension: %s\n', shortname) |
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178 _extensions[shortname] = None |
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179 with util.timedcm('load extension %s', shortname) as stats: |
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180 mod = _importext(name, path, bind(_reportimporterror, ui)) |
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181 ui.log(b'extension', b' > %s extension loaded in %s\n', shortname, stats) |
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182 if loadingtime is not None: |
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183 loadingtime[shortname] += stats.elapsed |
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184 |
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185 # Before we do anything with the extension, check against minimum stated |
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186 # compatibility. This gives extension authors a mechanism to have their |
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187 # extensions short circuit when loaded with a known incompatible version |
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188 # of Mercurial. |
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189 minver = getattr(mod, 'minimumhgversion', None) |
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190 if minver and util.versiontuple(minver, 2) > util.versiontuple(n=2): |
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191 msg = _('(third party extension %s requires version %s or newer ' |
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192 'of Mercurial (current: %s); disabling)\n') |
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193 ui.warn(msg % (shortname, minver, util.version())) |
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194 return |
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195 ui.log(b'extension', b' - validating extension tables: %s\n', shortname) |
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196 _validatetables(ui, mod) |
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197 |
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198 _extensions[shortname] = mod |
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199 _order.append(shortname) |
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200 ui.log(b'extension', b' - invoking registered callbacks: %s\n', |
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201 shortname) |
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202 with util.timedcm('callbacks extension %s', shortname) as stats: |
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203 for fn in _aftercallbacks.get(shortname, []): |
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204 fn(loaded=True) |
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205 ui.log(b'extension', b' > callbacks completed in %s\n', stats) |
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206 return mod |
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207 |
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208 def _runuisetup(name, ui): |
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209 uisetup = getattr(_extensions[name], 'uisetup', None) |
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210 if uisetup: |
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211 try: |
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212 uisetup(ui) |
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213 except Exception as inst: |
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214 ui.traceback(force=True) |
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215 msg = stringutil.forcebytestr(inst) |
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216 ui.warn(_("*** failed to set up extension %s: %s\n") % (name, msg)) |
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217 return False |
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218 return True |
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219 |
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220 def _runextsetup(name, ui): |
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221 extsetup = getattr(_extensions[name], 'extsetup', None) |
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222 if extsetup: |
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223 try: |
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224 try: |
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225 extsetup(ui) |
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226 except TypeError: |
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227 if pycompat.getargspec(extsetup).args: |
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228 raise |
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229 extsetup() # old extsetup with no ui argument |
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230 except Exception as inst: |
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231 ui.traceback(force=True) |
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232 msg = stringutil.forcebytestr(inst) |
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233 ui.warn(_("*** failed to set up extension %s: %s\n") % (name, msg)) |
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234 return False |
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235 return True |
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236 |
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237 def loadall(ui, whitelist=None): |
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238 loadingtime = collections.defaultdict(int) |
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239 result = ui.configitems("extensions") |
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240 if whitelist is not None: |
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241 result = [(k, v) for (k, v) in result if k in whitelist] |
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242 newindex = len(_order) |
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243 ui.log(b'extension', b'loading %sextensions\n', |
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244 'additional ' if newindex else '') |
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245 ui.log(b'extension', b'- processing %d entries\n', len(result)) |
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246 with util.timedcm('load all extensions') as stats: |
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247 for (name, path) in result: |
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248 if path: |
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249 if path[0:1] == '!': |
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250 if name not in _disabledextensions: |
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251 ui.log(b'extension', |
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252 b' - skipping disabled extension: %s\n', name) |
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253 _disabledextensions[name] = path[1:] |
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254 continue |
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255 try: |
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256 load(ui, name, path, loadingtime) |
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257 except Exception as inst: |
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258 msg = stringutil.forcebytestr(inst) |
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259 if path: |
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260 ui.warn(_("*** failed to import extension %s from %s: %s\n") |
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261 % (name, path, msg)) |
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262 else: |
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263 ui.warn(_("*** failed to import extension %s: %s\n") |
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264 % (name, msg)) |
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265 if isinstance(inst, error.Hint) and inst.hint: |
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266 ui.warn(_("*** (%s)\n") % inst.hint) |
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267 ui.traceback() |
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268 |
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269 ui.log(b'extension', b'> loaded %d extensions, total time %s\n', |
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270 len(_order) - newindex, stats) |
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271 # list of (objname, loadermod, loadername) tuple: |
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272 # - objname is the name of an object in extension module, |
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273 # from which extra information is loaded |
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274 # - loadermod is the module where loader is placed |
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275 # - loadername is the name of the function, |
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276 # which takes (ui, extensionname, extraobj) arguments |
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277 # |
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278 # This one is for the list of item that must be run before running any setup |
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279 earlyextraloaders = [ |
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280 ('configtable', configitems, 'loadconfigtable'), |
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281 ] |
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282 |
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283 ui.log(b'extension', b'- loading configtable attributes\n') |
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284 _loadextra(ui, newindex, earlyextraloaders) |
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285 |
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286 broken = set() |
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287 ui.log(b'extension', b'- executing uisetup hooks\n') |
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288 with util.timedcm('all uisetup') as alluisetupstats: |
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289 for name in _order[newindex:]: |
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290 ui.log(b'extension', b' - running uisetup for %s\n', name) |
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291 with util.timedcm('uisetup %s', name) as stats: |
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292 if not _runuisetup(name, ui): |
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293 ui.log(b'extension', |
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294 b' - the %s extension uisetup failed\n', name) |
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295 broken.add(name) |
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296 ui.log(b'extension', b' > uisetup for %s took %s\n', name, stats) |
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297 loadingtime[name] += stats.elapsed |
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298 ui.log(b'extension', b'> all uisetup took %s\n', alluisetupstats) |
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299 |
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300 ui.log(b'extension', b'- executing extsetup hooks\n') |
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301 with util.timedcm('all extsetup') as allextetupstats: |
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302 for name in _order[newindex:]: |
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303 if name in broken: |
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304 continue |
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305 ui.log(b'extension', b' - running extsetup for %s\n', name) |
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306 with util.timedcm('extsetup %s', name) as stats: |
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307 if not _runextsetup(name, ui): |
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308 ui.log(b'extension', |
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309 b' - the %s extension extsetup failed\n', name) |
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310 broken.add(name) |
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311 ui.log(b'extension', b' > extsetup for %s took %s\n', name, stats) |
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312 loadingtime[name] += stats.elapsed |
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313 ui.log(b'extension', b'> all extsetup took %s\n', allextetupstats) |
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314 |
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315 for name in broken: |
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316 ui.log(b'extension', b' - disabling broken %s extension\n', name) |
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317 _extensions[name] = None |
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318 |
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319 # Call aftercallbacks that were never met. |
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320 ui.log(b'extension', b'- executing remaining aftercallbacks\n') |
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321 with util.timedcm('aftercallbacks') as stats: |
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322 for shortname in _aftercallbacks: |
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323 if shortname in _extensions: |
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324 continue |
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325 |
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326 for fn in _aftercallbacks[shortname]: |
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327 ui.log(b'extension', |
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328 b' - extension %s not loaded, notify callbacks\n', |
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329 shortname) |
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330 fn(loaded=False) |
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331 ui.log(b'extension', b'> remaining aftercallbacks completed in %s\n', stats) |
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332 |
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333 # loadall() is called multiple times and lingering _aftercallbacks |
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334 # entries could result in double execution. See issue4646. |
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335 _aftercallbacks.clear() |
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336 |
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337 # delay importing avoids cyclic dependency (especially commands) |
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338 from . import ( |
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339 color, |
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340 commands, |
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341 filemerge, |
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342 fileset, |
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343 revset, |
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344 templatefilters, |
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345 templatefuncs, |
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346 templatekw, |
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347 ) |
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348 |
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349 # list of (objname, loadermod, loadername) tuple: |
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350 # - objname is the name of an object in extension module, |
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351 # from which extra information is loaded |
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352 # - loadermod is the module where loader is placed |
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353 # - loadername is the name of the function, |
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354 # which takes (ui, extensionname, extraobj) arguments |
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355 ui.log(b'extension', b'- loading extension registration objects\n') |
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356 extraloaders = [ |
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357 ('cmdtable', commands, 'loadcmdtable'), |
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358 ('colortable', color, 'loadcolortable'), |
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359 ('filesetpredicate', fileset, 'loadpredicate'), |
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360 ('internalmerge', filemerge, 'loadinternalmerge'), |
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361 ('revsetpredicate', revset, 'loadpredicate'), |
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362 ('templatefilter', templatefilters, 'loadfilter'), |
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363 ('templatefunc', templatefuncs, 'loadfunction'), |
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364 ('templatekeyword', templatekw, 'loadkeyword'), |
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365 ] |
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366 with util.timedcm('load registration objects') as stats: |
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367 _loadextra(ui, newindex, extraloaders) |
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368 ui.log(b'extension', b'> extension registration object loading took %s\n', |
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369 stats) |
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370 |
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371 # Report per extension loading time (except reposetup) |
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372 for name in sorted(loadingtime): |
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373 ui.log(b'extension', b'> extension %s take a total of %s to load\n', |
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374 name, util.timecount(loadingtime[name])) |
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375 |
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376 ui.log(b'extension', b'extension loading complete\n') |
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377 |
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378 def _loadextra(ui, newindex, extraloaders): |
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379 for name in _order[newindex:]: |
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380 module = _extensions[name] |
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381 if not module: |
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382 continue # loading this module failed |
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383 |
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384 for objname, loadermod, loadername in extraloaders: |
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385 extraobj = getattr(module, objname, None) |
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386 if extraobj is not None: |
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387 getattr(loadermod, loadername)(ui, name, extraobj) |
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388 |
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389 def afterloaded(extension, callback): |
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390 '''Run the specified function after a named extension is loaded. |
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391 |
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392 If the named extension is already loaded, the callback will be called |
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393 immediately. |
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394 |
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395 If the named extension never loads, the callback will be called after |
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396 all extensions have been loaded. |
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397 |
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398 The callback receives the named argument ``loaded``, which is a boolean |
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399 indicating whether the dependent extension actually loaded. |
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400 ''' |
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401 |
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402 if extension in _extensions: |
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403 # Report loaded as False if the extension is disabled |
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404 loaded = (_extensions[extension] is not None) |
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405 callback(loaded=loaded) |
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406 else: |
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407 _aftercallbacks.setdefault(extension, []).append(callback) |
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408 |
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409 def populateui(ui): |
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410 """Run extension hooks on the given ui to populate additional members, |
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411 extend the class dynamically, etc. |
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412 |
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413 This will be called after the configuration is loaded, and/or extensions |
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414 are loaded. In general, it's once per ui instance, but in command-server |
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415 and hgweb, this may be called more than once with the same ui. |
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416 """ |
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417 for name, mod in extensions(ui): |
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418 hook = getattr(mod, 'uipopulate', None) |
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419 if not hook: |
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420 continue |
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421 try: |
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422 hook(ui) |
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423 except Exception as inst: |
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424 ui.traceback(force=True) |
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425 ui.warn(_('*** failed to populate ui by extension %s: %s\n') |
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426 % (name, stringutil.forcebytestr(inst))) |
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427 |
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428 def bind(func, *args): |
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429 '''Partial function application |
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430 |
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431 Returns a new function that is the partial application of args and kwargs |
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432 to func. For example, |
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433 |
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434 f(1, 2, bar=3) === bind(f, 1)(2, bar=3)''' |
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435 assert callable(func) |
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436 def closure(*a, **kw): |
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437 return func(*(args + a), **kw) |
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438 return closure |
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439 |
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440 def _updatewrapper(wrap, origfn, unboundwrapper): |
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441 '''Copy and add some useful attributes to wrapper''' |
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442 try: |
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443 wrap.__name__ = origfn.__name__ |
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444 except AttributeError: |
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445 pass |
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446 wrap.__module__ = getattr(origfn, '__module__') |
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447 wrap.__doc__ = getattr(origfn, '__doc__') |
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448 wrap.__dict__.update(getattr(origfn, '__dict__', {})) |
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449 wrap._origfunc = origfn |
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450 wrap._unboundwrapper = unboundwrapper |
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451 |
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452 def wrapcommand(table, command, wrapper, synopsis=None, docstring=None): |
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453 '''Wrap the command named `command' in table |
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454 |
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455 Replace command in the command table with wrapper. The wrapped command will |
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456 be inserted into the command table specified by the table argument. |
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457 |
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458 The wrapper will be called like |
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459 |
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460 wrapper(orig, *args, **kwargs) |
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461 |
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462 where orig is the original (wrapped) function, and *args, **kwargs |
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463 are the arguments passed to it. |
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464 |
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465 Optionally append to the command synopsis and docstring, used for help. |
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466 For example, if your extension wraps the ``bookmarks`` command to add the |
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467 flags ``--remote`` and ``--all`` you might call this function like so: |
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468 |
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469 synopsis = ' [-a] [--remote]' |
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470 docstring = """ |
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471 |
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472 The ``remotenames`` extension adds the ``--remote`` and ``--all`` (``-a``) |
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473 flags to the bookmarks command. Either flag will show the remote bookmarks |
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474 known to the repository; ``--remote`` will also suppress the output of the |
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475 local bookmarks. |
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476 """ |
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477 |
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478 extensions.wrapcommand(commands.table, 'bookmarks', exbookmarks, |
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479 synopsis, docstring) |
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480 ''' |
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481 assert callable(wrapper) |
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482 aliases, entry = cmdutil.findcmd(command, table) |
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483 for alias, e in table.iteritems(): |
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484 if e is entry: |
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485 key = alias |
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486 break |
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487 |
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488 origfn = entry[0] |
34088 | 489 wrap = functools.partial(util.checksignature(wrapper), |
490 util.checksignature(origfn)) | |
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491 _updatewrapper(wrap, origfn, wrapper) |
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492 if docstring is not None: |
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493 wrap.__doc__ += docstring |
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494 |
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495 newentry = list(entry) |
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496 newentry[0] = wrap |
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497 if synopsis is not None: |
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498 newentry[2] += synopsis |
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499 table[key] = tuple(newentry) |
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500 return entry |
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501 |
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502 def wrapfilecache(cls, propname, wrapper): |
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503 """Wraps a filecache property. |
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504 |
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505 These can't be wrapped using the normal wrapfunction. |
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506 """ |
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507 propname = pycompat.sysstr(propname) |
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508 assert callable(wrapper) |
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509 for currcls in cls.__mro__: |
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510 if propname in currcls.__dict__: |
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511 origfn = currcls.__dict__[propname].func |
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512 assert callable(origfn) |
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513 def wrap(*args, **kwargs): |
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514 return wrapper(origfn, *args, **kwargs) |
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515 currcls.__dict__[propname].func = wrap |
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516 break |
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517 |
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518 if currcls is object: |
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519 raise AttributeError(r"type '%s' has no property '%s'" % ( |
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520 cls, propname)) |
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521 |
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522 class wrappedfunction(object): |
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523 '''context manager for temporarily wrapping a function''' |
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524 |
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525 def __init__(self, container, funcname, wrapper): |
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526 assert callable(wrapper) |
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527 self._container = container |
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528 self._funcname = funcname |
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529 self._wrapper = wrapper |
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530 |
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531 def __enter__(self): |
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532 wrapfunction(self._container, self._funcname, self._wrapper) |
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533 |
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534 def __exit__(self, exctype, excvalue, traceback): |
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535 unwrapfunction(self._container, self._funcname, self._wrapper) |
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536 |
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537 def wrapfunction(container, funcname, wrapper): |
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538 '''Wrap the function named funcname in container |
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539 |
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540 Replace the funcname member in the given container with the specified |
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541 wrapper. The container is typically a module, class, or instance. |
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542 |
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543 The wrapper will be called like |
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544 |
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545 wrapper(orig, *args, **kwargs) |
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546 |
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547 where orig is the original (wrapped) function, and *args, **kwargs |
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548 are the arguments passed to it. |
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549 |
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550 Wrapping methods of the repository object is not recommended since |
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551 it conflicts with extensions that extend the repository by |
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552 subclassing. All extensions that need to extend methods of |
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553 localrepository should use this subclassing trick: namely, |
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554 reposetup() should look like |
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555 |
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556 def reposetup(ui, repo): |
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557 class myrepo(repo.__class__): |
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558 def whatever(self, *args, **kwargs): |
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559 [...extension stuff...] |
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560 super(myrepo, self).whatever(*args, **kwargs) |
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561 [...extension stuff...] |
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562 |
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563 repo.__class__ = myrepo |
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564 |
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565 In general, combining wrapfunction() with subclassing does not |
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566 work. Since you cannot control what other extensions are loaded by |
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567 your end users, you should play nicely with others by using the |
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568 subclass trick. |
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569 ''' |
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570 assert callable(wrapper) |
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571 |
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572 origfn = getattr(container, funcname) |
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extensions: restore use of callable() since it was readded in Python 3.2
Augie Fackler <raf@durin42.com>
parents:
21229
diff
changeset
|
573 assert callable(origfn) |
34087
5361771f9714
wrapfunction: use functools.partial if possible
Jun Wu <quark@fb.com>
parents:
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diff
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|
574 if inspect.ismodule(container): |
5361771f9714
wrapfunction: use functools.partial if possible
Jun Wu <quark@fb.com>
parents:
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diff
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|
575 # origfn is not an instance or class method. "partial" can be used. |
5361771f9714
wrapfunction: use functools.partial if possible
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
576 # "partial" won't insert a frame in traceback. |
5361771f9714
wrapfunction: use functools.partial if possible
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
577 wrap = functools.partial(wrapper, origfn) |
5361771f9714
wrapfunction: use functools.partial if possible
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
578 else: |
5361771f9714
wrapfunction: use functools.partial if possible
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
579 # "partial" cannot be safely used. Emulate its effect by using "bind". |
5361771f9714
wrapfunction: use functools.partial if possible
Jun Wu <quark@fb.com>
parents:
34048
diff
changeset
|
580 # The downside is one more frame in traceback. |
5361771f9714
wrapfunction: use functools.partial if possible
Jun Wu <quark@fb.com>
parents:
34048
diff
changeset
|
581 wrap = bind(wrapper, origfn) |
29763
ce6317dcb944
extensions: set attributes to wrappers so we can trace them back
Jun Wu <quark@fb.com>
parents:
29461
diff
changeset
|
582 _updatewrapper(wrap, origfn, wrapper) |
28311
1b0ef07ba783
extensions: copy attributes to wrapper by wrapfunction()
Yuya Nishihara <yuya@tcha.org>
parents:
28310
diff
changeset
|
583 setattr(container, funcname, wrap) |
7215
0ab5f21c390b
extensions: add wrapping functions
Matt Mackall <mpm@selenic.com>
parents:
7011
diff
changeset
|
584 return origfn |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
585 |
29765
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
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|
586 def unwrapfunction(container, funcname, wrapper=None): |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
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|
587 '''undo wrapfunction |
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extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
588 |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
589 If wrappers is None, undo the last wrap. Otherwise removes the wrapper |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
590 from the chain of wrappers. |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
591 |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
592 Return the removed wrapper. |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
593 Raise IndexError if wrapper is None and nothing to unwrap; ValueError if |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
594 wrapper is not None but is not found in the wrapper chain. |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
595 ''' |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
596 chain = getwrapperchain(container, funcname) |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
597 origfn = chain.pop() |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
598 if wrapper is None: |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
599 wrapper = chain[0] |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
600 chain.remove(wrapper) |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
601 setattr(container, funcname, origfn) |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
602 for w in reversed(chain): |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
603 wrapfunction(container, funcname, w) |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
604 return wrapper |
19578bb84731
extensions: add unwrapfunction to undo wrapfunction
Jun Wu <quark@fb.com>
parents:
29764
diff
changeset
|
605 |
29764
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
606 def getwrapperchain(container, funcname): |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
607 '''get a chain of wrappers of a function |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
608 |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
609 Return a list of functions: [newest wrapper, ..., oldest wrapper, origfunc] |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
610 |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
611 The wrapper functions are the ones passed to wrapfunction, whose first |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
612 argument is origfunc. |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
613 ''' |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
614 result = [] |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
615 fn = getattr(container, funcname) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
616 while fn: |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
617 assert callable(fn) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
618 result.append(getattr(fn, '_unboundwrapper', fn)) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
619 fn = getattr(fn, '_origfunc', None) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
620 return result |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
621 |
38163
b39958d6b81b
extensions: remove strip_init=True from _disabledpaths()
Yuya Nishihara <yuya@tcha.org>
parents:
38162
diff
changeset
|
622 def _disabledpaths(): |
b39958d6b81b
extensions: remove strip_init=True from _disabledpaths()
Yuya Nishihara <yuya@tcha.org>
parents:
38162
diff
changeset
|
623 '''find paths of disabled extensions. returns a dict of {name: path}''' |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
624 import hgext |
31074
2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30575
diff
changeset
|
625 extpath = os.path.dirname( |
2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30575
diff
changeset
|
626 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
|
627 try: # might not be a filesystem path |
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
628 files = os.listdir(extpath) |
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
629 except OSError: |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
630 return {} |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
631 |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
632 exts = {} |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
633 for e in files: |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
634 if e.endswith('.py'): |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
635 name = e.rsplit('.', 1)[0] |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
636 path = os.path.join(extpath, e) |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
637 else: |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
638 name = e |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
639 path = os.path.join(extpath, e, '__init__.py') |
8877
08636e18268f
extensions: check for path existence only when necessary
Cédric Duval <cedricduval@free.fr>
parents:
8876
diff
changeset
|
640 if not os.path.exists(path): |
08636e18268f
extensions: check for path existence only when necessary
Cédric Duval <cedricduval@free.fr>
parents:
8876
diff
changeset
|
641 continue |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
642 if name in exts or name in _order or name == '__init__': |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
643 continue |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
644 exts[name] = path |
33327
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
645 for name, path in _disabledextensions.iteritems(): |
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
646 # If no path was provided for a disabled extension (e.g. "color=!"), |
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
647 # don't replace the path we already found by the scan above. |
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
648 if path: |
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
649 exts[name] = path |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
650 return exts |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
651 |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
652 def _moduledoc(file): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
653 '''return the top-level python documentation for the given file |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
654 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
655 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:
14316
diff
changeset
|
656 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:
14316
diff
changeset
|
657 the synopsis''' |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
658 result = [] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
659 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
660 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
661 while line[:1] == '#' or not line.strip(): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
662 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
663 if not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
664 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
665 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
666 start = line[:3] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
667 if start == '"""' or start == "'''": |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
668 line = line[3:] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
669 while line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
670 if line.rstrip().endswith(start): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
671 line = line.split(start)[0] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
672 if line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
673 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
674 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
675 elif not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
676 return None # unmatched delimiter |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
677 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
678 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
679 else: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
680 return None |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
681 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
682 return ''.join(result) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
683 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
684 def _disabledhelp(path): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
685 '''retrieve help synopsis of a disabled extension (without importing)''' |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
686 try: |
38344
c6f82a18a63d
extensions: use context manger for open()
Yuya Nishihara <yuya@tcha.org>
parents:
38343
diff
changeset
|
687 with open(path, 'rb') as src: |
c6f82a18a63d
extensions: use context manger for open()
Yuya Nishihara <yuya@tcha.org>
parents:
38343
diff
changeset
|
688 doc = _moduledoc(src) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
689 except IOError: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
690 return |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
691 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
692 if doc: # extracting localized synopsis |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
693 return gettext(doc) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
694 else: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
695 return _('(no help text available)') |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
696 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
697 def disabled(): |
14530
cd31a1cc1521
extensions: update doc of enabled() and disabled() according to d5b525697ddb
Yuya Nishihara <yuya@tcha.org>
parents:
14415
diff
changeset
|
698 '''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
|
699 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
700 from hgext import __index__ |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
701 return dict((name, gettext(desc)) |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
702 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
|
703 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
|
704 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
705 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
706 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
707 paths = _disabledpaths() |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
708 if not paths: |
16709
9eca39a91964
extensions.disabled: return {} instead of None no extensions are disabled
Augie Fackler <raf@durin42.com>
parents:
16667
diff
changeset
|
709 return {} |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
710 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
711 exts = {} |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
712 for name, path in paths.iteritems(): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
713 doc = _disabledhelp(path) |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
714 if doc: |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
715 exts[name] = doc.splitlines()[0] |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
716 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
717 return exts |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
718 |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
719 def disabledext(name): |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
720 '''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
|
721 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
722 from hgext import __index__ |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
723 if name in _order: # enabled |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
724 return |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
725 else: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
726 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
|
727 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
728 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
729 |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
730 paths = _disabledpaths() |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
731 if name in paths: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
732 return _disabledhelp(paths[name]) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
733 |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
734 def _walkcommand(node): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
735 """Scan @command() decorators in the tree starting at node""" |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
736 todo = collections.deque([node]) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
737 while todo: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
738 node = todo.popleft() |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
739 if not isinstance(node, ast.FunctionDef): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
740 todo.extend(ast.iter_child_nodes(node)) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
741 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
742 for d in node.decorator_list: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
743 if not isinstance(d, ast.Call): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
744 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
745 if not isinstance(d.func, ast.Name): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
746 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
747 if d.func.id != r'command': |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
748 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
749 yield d |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
750 |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
751 def _disabledcmdtable(path): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
752 """Construct a dummy command table without loading the extension module |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
753 |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
754 This may raise IOError or SyntaxError. |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
755 """ |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
756 with open(path, 'rb') as src: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
757 root = ast.parse(src.read(), path) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
758 cmdtable = {} |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
759 for node in _walkcommand(root): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
760 if not node.args: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
761 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
762 a = node.args[0] |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
763 if isinstance(a, ast.Str): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
764 name = pycompat.sysbytes(a.s) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
765 elif pycompat.ispy3 and isinstance(a, ast.Bytes): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
766 name = a.s |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
767 else: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
768 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
769 cmdtable[name] = (None, [], b'') |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
770 return cmdtable |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
771 |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
772 def _finddisabledcmd(ui, cmd, name, path, strict): |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
773 try: |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
774 cmdtable = _disabledcmdtable(path) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
775 except (IOError, SyntaxError): |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
776 return |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
777 try: |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
778 aliases, entry = cmdutil.findcmd(cmd, cmdtable, strict) |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
779 except (error.AmbiguousCommand, error.UnknownCommand): |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
780 return |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
781 for c in aliases: |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
782 if c.startswith(cmd): |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
783 cmd = c |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
784 break |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
785 else: |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
786 cmd = aliases[0] |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
787 doc = _disabledhelp(path) |
37975
6e526b0961a8
help: load module doc of disabled extension in extensions.disabledcmd()
Yuya Nishihara <yuya@tcha.org>
parents:
37974
diff
changeset
|
788 return (cmd, name, doc) |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
789 |
13191
1aea66b71f4f
extensions: warn about invalid extensions when listing disabled commands
Mads Kiilerich <mads@kiilerich.com>
parents:
12779
diff
changeset
|
790 def disabledcmd(ui, cmd, strict=False): |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
791 '''find cmd from disabled extensions without importing. |
37975
6e526b0961a8
help: load module doc of disabled extension in extensions.disabledcmd()
Yuya Nishihara <yuya@tcha.org>
parents:
37974
diff
changeset
|
792 returns (cmdname, extname, doc)''' |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
793 |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
794 paths = _disabledpaths() |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
795 if not paths: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
796 raise error.UnknownCommand(cmd) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
797 |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
798 ext = None |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
799 # 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
|
800 path = paths.pop(cmd, None) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
801 if path: |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
802 ext = _finddisabledcmd(ui, cmd, cmd, path, strict=strict) |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
803 if not ext: |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
804 # 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
|
805 for name, path in paths.iteritems(): |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
806 ext = _finddisabledcmd(ui, cmd, name, path, strict=strict) |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
807 if ext: |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
808 break |
37973
5b60f7d652f2
extensions: drop dead code trying to exclude deprecated disabled commands
Yuya Nishihara <yuya@tcha.org>
parents:
37957
diff
changeset
|
809 if ext: |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
810 return ext |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
811 |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
812 raise error.UnknownCommand(cmd) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
813 |
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
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814 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
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815 '''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
diff
changeset
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816 exts = {} |
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
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817 for ename, ext in extensions(): |
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
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818 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
diff
changeset
|
819 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
diff
changeset
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820 ename = ename.split('.')[-1] |
9136
31177742f54a
for calls expecting bool args, pass bool instead of int
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
9020
diff
changeset
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821 exts[ename] = doc.splitlines()[0].strip() |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
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822 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
823 return exts |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
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824 |
28155
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
diff
changeset
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825 def notloaded(): |
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
diff
changeset
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826 '''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
diff
changeset
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827 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
diff
changeset
|
828 |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
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829 def moduleversion(module): |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
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830 '''return version information from given module as a string''' |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
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831 if (util.safehasattr(module, 'getversion') |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
832 and callable(module.getversion)): |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
833 version = module.getversion() |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
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834 elif util.safehasattr(module, '__version__'): |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
835 version = module.__version__ |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
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836 else: |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
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837 version = '' |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
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838 if isinstance(version, (list, tuple)): |
38020
9d44c71bd892
py3: use pycompat.bytestr() instead of str() in extensions.py
Pulkit Goyal <7895pulkit@gmail.com>
parents:
37975
diff
changeset
|
839 version = '.'.join(pycompat.bytestr(o) for o in version) |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
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840 return version |
27990
96bfd2875213
version: verbose list internal and external extension source (issue4731)
liscju <piotr.listkiewicz@gmail.com>
parents:
27637
diff
changeset
|
841 |
96bfd2875213
version: verbose list internal and external extension source (issue4731)
liscju <piotr.listkiewicz@gmail.com>
parents:
27637
diff
changeset
|
842 def ismoduleinternal(module): |
96bfd2875213
version: verbose list internal and external extension source (issue4731)
liscju <piotr.listkiewicz@gmail.com>
parents:
27637
diff
changeset
|
843 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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844 return exttestedwith == "ships-with-hg-core" |