Mercurial > hg
annotate mercurial/extensions.py @ 43077:687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Done with
python3.7 contrib/byteify-strings.py -i $(hg files 'set:mercurial/**.py - mercurial/thirdparty/** + hgext/**.py - hgext/fsmonitor/pywatchman/** - mercurial/__init__.py')
black -l 80 -t py33 -S $(hg files 'set:**.py - mercurial/thirdparty/** - "contrib/python-zstandard/**" - hgext/fsmonitor/pywatchman/**')
# skip-blame mass-reformatting only
Differential Revision: https://phab.mercurial-scm.org/D6972
author | Augie Fackler <augie@google.com> |
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date | Sun, 06 Oct 2019 09:48:39 -0400 |
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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 stringutil |
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31 |
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32 _extensions = {} |
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33 _disabledextensions = {} |
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34 _aftercallbacks = {} |
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35 _order = [] |
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36 _builtin = { |
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37 b'hbisect', |
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38 b'bookmarks', |
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39 b'color', |
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40 b'parentrevspec', |
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41 b'progress', |
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42 b'interhg', |
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43 b'inotify', |
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44 b'hgcia', |
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45 b'shelve', |
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46 } |
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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 |
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52 def enabled(name): |
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53 for format in [b'%s', b'hgext.%s']: |
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54 conf = ui.config(b'extensions', format % name) |
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55 if conf is not None and not conf.startswith(b'!'): |
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56 return True |
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57 |
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58 else: |
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59 enabled = lambda name: True |
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60 for name in _order: |
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61 module = _extensions[name] |
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62 if module and enabled(name): |
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63 yield name, module |
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64 |
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65 |
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66 def find(name): |
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67 '''return module with given extension name''' |
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68 mod = None |
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69 try: |
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70 mod = _extensions[name] |
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71 except KeyError: |
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72 for k, v in _extensions.iteritems(): |
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73 if k.endswith(b'.' + name) or k.endswith(b'/' + name): |
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74 mod = v |
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75 break |
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76 if not mod: |
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77 raise KeyError(name) |
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78 return mod |
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79 |
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80 |
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81 def loadpath(path, module_name): |
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82 module_name = module_name.replace(b'.', b'_') |
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83 path = util.normpath(util.expandpath(path)) |
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84 module_name = pycompat.fsdecode(module_name) |
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85 path = pycompat.fsdecode(path) |
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86 if os.path.isdir(path): |
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87 # module/__init__.py style |
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88 d, f = os.path.split(path) |
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89 fd, fpath, desc = imp.find_module(f, [d]) |
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90 return imp.load_module(module_name, fd, fpath, desc) |
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91 else: |
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92 try: |
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93 return imp.load_source(module_name, path) |
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94 except IOError as exc: |
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95 if not exc.filename: |
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96 exc.filename = path # python does not fill this |
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97 raise |
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98 |
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99 |
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100 def _importh(name): |
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101 """import and return the <name> module""" |
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102 mod = __import__(pycompat.sysstr(name)) |
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103 components = name.split(b'.') |
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104 for comp in components[1:]: |
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105 mod = getattr(mod, comp) |
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106 return mod |
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107 |
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108 |
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109 def _importext(name, path=None, reportfunc=None): |
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110 if path: |
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111 # the module will be loaded in sys.modules |
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112 # choose an unique name so that it doesn't |
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113 # conflicts with other modules |
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114 mod = loadpath(path, b'hgext.%s' % name) |
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115 else: |
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116 try: |
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117 mod = _importh(b"hgext.%s" % name) |
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118 except ImportError as err: |
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119 if reportfunc: |
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120 reportfunc(err, b"hgext.%s" % name, b"hgext3rd.%s" % name) |
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121 try: |
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122 mod = _importh(b"hgext3rd.%s" % name) |
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123 except ImportError as err: |
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124 if reportfunc: |
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125 reportfunc(err, b"hgext3rd.%s" % name, name) |
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126 mod = _importh(name) |
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127 return mod |
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128 |
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129 |
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130 def _reportimporterror(ui, err, failed, next): |
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131 # note: this ui.log happens before --debug is processed, |
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132 # Use --config ui.debug=1 to see them. |
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133 ui.log( |
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134 b'extension', |
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135 b' - could not import %s (%s): trying %s\n', |
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136 failed, |
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137 stringutil.forcebytestr(err), |
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138 next, |
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139 ) |
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140 if ui.debugflag and ui.configbool(b'devel', b'debug.extensions'): |
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141 ui.traceback() |
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142 |
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143 |
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144 def _rejectunicode(name, xs): |
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145 if isinstance(xs, (list, set, tuple)): |
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146 for x in xs: |
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147 _rejectunicode(name, x) |
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148 elif isinstance(xs, dict): |
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149 for k, v in xs.items(): |
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150 _rejectunicode(name, k) |
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151 _rejectunicode(b'%s.%s' % (name, stringutil.forcebytestr(k)), v) |
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152 elif isinstance(xs, type(u'')): |
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153 raise error.ProgrammingError( |
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154 b"unicode %r found in %s" % (xs, name), |
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155 hint=b"use b'' to make it byte string", |
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156 ) |
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157 |
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158 |
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159 # attributes set by registrar.command |
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160 _cmdfuncattrs = (b'norepo', b'optionalrepo', b'inferrepo') |
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161 |
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162 |
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163 def _validatecmdtable(ui, cmdtable): |
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164 """Check if extension commands have required attributes""" |
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165 for c, e in cmdtable.iteritems(): |
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166 f = e[0] |
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167 missing = [a for a in _cmdfuncattrs if not util.safehasattr(f, a)] |
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168 if not missing: |
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169 continue |
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170 raise error.ProgrammingError( |
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171 b'missing attributes: %s' % b', '.join(missing), |
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172 hint=b"use @command decorator to register '%s'" % c, |
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173 ) |
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174 |
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175 |
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176 def _validatetables(ui, mod): |
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177 """Sanity check for loadable tables provided by extension module""" |
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178 for t in [b'cmdtable', b'colortable', b'configtable']: |
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179 _rejectunicode(t, getattr(mod, t, {})) |
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180 for t in [ |
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181 b'filesetpredicate', |
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182 b'internalmerge', |
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183 b'revsetpredicate', |
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184 b'templatefilter', |
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185 b'templatefunc', |
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186 b'templatekeyword', |
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187 ]: |
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188 o = getattr(mod, t, None) |
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189 if o: |
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190 _rejectunicode(t, o._table) |
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191 _validatecmdtable(ui, getattr(mod, 'cmdtable', {})) |
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192 |
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193 |
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194 def load(ui, name, path, loadingtime=None): |
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195 if name.startswith(b'hgext.') or name.startswith(b'hgext/'): |
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196 shortname = name[6:] |
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197 else: |
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198 shortname = name |
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199 if shortname in _builtin: |
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200 return None |
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201 if shortname in _extensions: |
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202 return _extensions[shortname] |
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203 ui.log(b'extension', b' - loading extension: %s\n', shortname) |
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204 _extensions[shortname] = None |
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205 with util.timedcm(b'load extension %s', shortname) as stats: |
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206 mod = _importext(name, path, bind(_reportimporterror, ui)) |
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207 ui.log(b'extension', b' > %s extension loaded in %s\n', shortname, stats) |
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208 if loadingtime is not None: |
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209 loadingtime[shortname] += stats.elapsed |
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210 |
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211 # Before we do anything with the extension, check against minimum stated |
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212 # compatibility. This gives extension authors a mechanism to have their |
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213 # extensions short circuit when loaded with a known incompatible version |
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214 # of Mercurial. |
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215 minver = getattr(mod, 'minimumhgversion', None) |
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216 if minver and util.versiontuple(minver, 2) > util.versiontuple(n=2): |
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217 msg = _( |
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218 b'(third party extension %s requires version %s or newer ' |
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219 b'of Mercurial (current: %s); disabling)\n' |
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220 ) |
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221 ui.warn(msg % (shortname, minver, util.version())) |
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222 return |
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223 ui.log(b'extension', b' - validating extension tables: %s\n', shortname) |
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224 _validatetables(ui, mod) |
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225 |
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226 _extensions[shortname] = mod |
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227 _order.append(shortname) |
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228 ui.log( |
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229 b'extension', b' - invoking registered callbacks: %s\n', shortname |
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230 ) |
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231 with util.timedcm(b'callbacks extension %s', shortname) as stats: |
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232 for fn in _aftercallbacks.get(shortname, []): |
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233 fn(loaded=True) |
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234 ui.log(b'extension', b' > callbacks completed in %s\n', stats) |
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235 return mod |
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236 |
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237 |
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238 def _runuisetup(name, ui): |
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239 uisetup = getattr(_extensions[name], 'uisetup', None) |
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240 if uisetup: |
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241 try: |
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242 uisetup(ui) |
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243 except Exception as inst: |
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244 ui.traceback(force=True) |
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245 msg = stringutil.forcebytestr(inst) |
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246 ui.warn(_(b"*** failed to set up extension %s: %s\n") % (name, msg)) |
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247 return False |
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248 return True |
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249 |
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250 |
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251 def _runextsetup(name, ui): |
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252 extsetup = getattr(_extensions[name], 'extsetup', None) |
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253 if extsetup: |
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254 try: |
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255 extsetup(ui) |
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256 except Exception as inst: |
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257 ui.traceback(force=True) |
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258 msg = stringutil.forcebytestr(inst) |
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259 ui.warn(_(b"*** failed to set up extension %s: %s\n") % (name, msg)) |
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260 return False |
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261 return True |
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262 |
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263 |
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264 def loadall(ui, whitelist=None): |
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265 loadingtime = collections.defaultdict(int) |
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266 result = ui.configitems(b"extensions") |
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267 if whitelist is not None: |
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268 result = [(k, v) for (k, v) in result if k in whitelist] |
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269 newindex = len(_order) |
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270 ui.log( |
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271 b'extension', |
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272 b'loading %sextensions\n', |
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273 b'additional ' if newindex else b'', |
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274 ) |
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275 ui.log(b'extension', b'- processing %d entries\n', len(result)) |
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276 with util.timedcm(b'load all extensions') as stats: |
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277 for (name, path) in result: |
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278 if path: |
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279 if path[0:1] == b'!': |
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280 if name not in _disabledextensions: |
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281 ui.log( |
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282 b'extension', |
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283 b' - skipping disabled extension: %s\n', |
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284 name, |
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285 ) |
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286 _disabledextensions[name] = path[1:] |
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287 continue |
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288 try: |
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289 load(ui, name, path, loadingtime) |
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290 except Exception as inst: |
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291 msg = stringutil.forcebytestr(inst) |
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292 if path: |
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293 ui.warn( |
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294 _(b"*** failed to import extension %s from %s: %s\n") |
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295 % (name, path, msg) |
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296 ) |
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297 else: |
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298 ui.warn( |
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299 _(b"*** failed to import extension %s: %s\n") |
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300 % (name, msg) |
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301 ) |
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302 if isinstance(inst, error.Hint) and inst.hint: |
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303 ui.warn(_(b"*** (%s)\n") % inst.hint) |
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304 ui.traceback() |
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305 |
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306 ui.log( |
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307 b'extension', |
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308 b'> loaded %d extensions, total time %s\n', |
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309 len(_order) - newindex, |
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310 stats, |
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311 ) |
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312 # list of (objname, loadermod, loadername) tuple: |
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313 # - objname is the name of an object in extension module, |
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314 # from which extra information is loaded |
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315 # - loadermod is the module where loader is placed |
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316 # - loadername is the name of the function, |
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317 # which takes (ui, extensionname, extraobj) arguments |
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318 # |
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319 # This one is for the list of item that must be run before running any setup |
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320 earlyextraloaders = [ |
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321 (b'configtable', configitems, b'loadconfigtable'), |
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322 ] |
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323 |
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324 ui.log(b'extension', b'- loading configtable attributes\n') |
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325 _loadextra(ui, newindex, earlyextraloaders) |
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326 |
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327 broken = set() |
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328 ui.log(b'extension', b'- executing uisetup hooks\n') |
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329 with util.timedcm(b'all uisetup') as alluisetupstats: |
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330 for name in _order[newindex:]: |
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331 ui.log(b'extension', b' - running uisetup for %s\n', name) |
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332 with util.timedcm(b'uisetup %s', name) as stats: |
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333 if not _runuisetup(name, ui): |
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334 ui.log( |
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335 b'extension', |
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336 b' - the %s extension uisetup failed\n', |
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337 name, |
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338 ) |
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339 broken.add(name) |
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340 ui.log(b'extension', b' > uisetup for %s took %s\n', name, stats) |
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341 loadingtime[name] += stats.elapsed |
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342 ui.log(b'extension', b'> all uisetup took %s\n', alluisetupstats) |
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343 |
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344 ui.log(b'extension', b'- executing extsetup hooks\n') |
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345 with util.timedcm(b'all extsetup') as allextetupstats: |
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346 for name in _order[newindex:]: |
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347 if name in broken: |
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348 continue |
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349 ui.log(b'extension', b' - running extsetup for %s\n', name) |
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350 with util.timedcm(b'extsetup %s', name) as stats: |
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351 if not _runextsetup(name, ui): |
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352 ui.log( |
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353 b'extension', |
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354 b' - the %s extension extsetup failed\n', |
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355 name, |
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356 ) |
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357 broken.add(name) |
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358 ui.log(b'extension', b' > extsetup for %s took %s\n', name, stats) |
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359 loadingtime[name] += stats.elapsed |
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360 ui.log(b'extension', b'> all extsetup took %s\n', allextetupstats) |
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361 |
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362 for name in broken: |
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363 ui.log(b'extension', b' - disabling broken %s extension\n', name) |
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364 _extensions[name] = None |
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365 |
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366 # Call aftercallbacks that were never met. |
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367 ui.log(b'extension', b'- executing remaining aftercallbacks\n') |
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368 with util.timedcm(b'aftercallbacks') as stats: |
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369 for shortname in _aftercallbacks: |
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370 if shortname in _extensions: |
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371 continue |
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372 |
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373 for fn in _aftercallbacks[shortname]: |
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374 ui.log( |
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375 b'extension', |
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376 b' - extension %s not loaded, notify callbacks\n', |
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377 shortname, |
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378 ) |
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379 fn(loaded=False) |
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380 ui.log(b'extension', b'> remaining aftercallbacks completed in %s\n', stats) |
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381 |
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382 # loadall() is called multiple times and lingering _aftercallbacks |
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383 # entries could result in double execution. See issue4646. |
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384 _aftercallbacks.clear() |
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385 |
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386 # delay importing avoids cyclic dependency (especially commands) |
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387 from . import ( |
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388 color, |
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389 commands, |
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390 filemerge, |
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391 fileset, |
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392 revset, |
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393 templatefilters, |
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394 templatefuncs, |
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395 templatekw, |
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396 ) |
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397 |
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398 # list of (objname, loadermod, loadername) tuple: |
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399 # - objname is the name of an object in extension module, |
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400 # from which extra information is loaded |
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401 # - loadermod is the module where loader is placed |
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402 # - loadername is the name of the function, |
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403 # which takes (ui, extensionname, extraobj) arguments |
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404 ui.log(b'extension', b'- loading extension registration objects\n') |
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405 extraloaders = [ |
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406 (b'cmdtable', commands, b'loadcmdtable'), |
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407 (b'colortable', color, b'loadcolortable'), |
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408 (b'filesetpredicate', fileset, b'loadpredicate'), |
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409 (b'internalmerge', filemerge, b'loadinternalmerge'), |
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410 (b'revsetpredicate', revset, b'loadpredicate'), |
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411 (b'templatefilter', templatefilters, b'loadfilter'), |
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412 (b'templatefunc', templatefuncs, b'loadfunction'), |
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413 (b'templatekeyword', templatekw, b'loadkeyword'), |
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414 ] |
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415 with util.timedcm(b'load registration objects') as stats: |
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416 _loadextra(ui, newindex, extraloaders) |
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417 ui.log( |
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418 b'extension', |
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419 b'> extension registration object loading took %s\n', |
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420 stats, |
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421 ) |
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422 |
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423 # Report per extension loading time (except reposetup) |
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424 for name in sorted(loadingtime): |
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425 ui.log( |
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426 b'extension', |
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427 b'> extension %s take a total of %s to load\n', |
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428 name, |
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429 util.timecount(loadingtime[name]), |
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430 ) |
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431 |
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432 ui.log(b'extension', b'extension loading complete\n') |
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433 |
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434 |
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435 def _loadextra(ui, newindex, extraloaders): |
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436 for name in _order[newindex:]: |
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437 module = _extensions[name] |
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438 if not module: |
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439 continue # loading this module failed |
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440 |
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441 for objname, loadermod, loadername in extraloaders: |
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442 extraobj = getattr(module, objname, None) |
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443 if extraobj is not None: |
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444 getattr(loadermod, loadername)(ui, name, extraobj) |
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445 |
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446 |
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447 def afterloaded(extension, callback): |
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448 '''Run the specified function after a named extension is loaded. |
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449 |
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450 If the named extension is already loaded, the callback will be called |
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451 immediately. |
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452 |
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453 If the named extension never loads, the callback will be called after |
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454 all extensions have been loaded. |
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455 |
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456 The callback receives the named argument ``loaded``, which is a boolean |
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457 indicating whether the dependent extension actually loaded. |
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458 ''' |
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459 |
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460 if extension in _extensions: |
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461 # Report loaded as False if the extension is disabled |
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462 loaded = _extensions[extension] is not None |
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463 callback(loaded=loaded) |
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464 else: |
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465 _aftercallbacks.setdefault(extension, []).append(callback) |
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466 |
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467 |
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468 def populateui(ui): |
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469 """Run extension hooks on the given ui to populate additional members, |
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470 extend the class dynamically, etc. |
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471 |
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472 This will be called after the configuration is loaded, and/or extensions |
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473 are loaded. In general, it's once per ui instance, but in command-server |
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474 and hgweb, this may be called more than once with the same ui. |
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475 """ |
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476 for name, mod in extensions(ui): |
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477 hook = getattr(mod, 'uipopulate', None) |
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478 if not hook: |
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479 continue |
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480 try: |
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481 hook(ui) |
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482 except Exception as inst: |
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483 ui.traceback(force=True) |
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484 ui.warn( |
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485 _(b'*** failed to populate ui by extension %s: %s\n') |
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486 % (name, stringutil.forcebytestr(inst)) |
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487 ) |
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488 |
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489 |
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490 def bind(func, *args): |
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491 '''Partial function application |
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492 |
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493 Returns a new function that is the partial application of args and kwargs |
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494 to func. For example, |
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495 |
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496 f(1, 2, bar=3) === bind(f, 1)(2, bar=3)''' |
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497 assert callable(func) |
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498 |
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499 def closure(*a, **kw): |
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500 return func(*(args + a), **kw) |
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501 |
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502 return closure |
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503 |
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504 |
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505 def _updatewrapper(wrap, origfn, unboundwrapper): |
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506 '''Copy and add some useful attributes to wrapper''' |
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507 try: |
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508 wrap.__name__ = origfn.__name__ |
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509 except AttributeError: |
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510 pass |
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511 wrap.__module__ = getattr(origfn, '__module__') |
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512 wrap.__doc__ = getattr(origfn, '__doc__') |
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513 wrap.__dict__.update(getattr(origfn, '__dict__', {})) |
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514 wrap._origfunc = origfn |
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515 wrap._unboundwrapper = unboundwrapper |
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516 |
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517 |
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518 def wrapcommand(table, command, wrapper, synopsis=None, docstring=None): |
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519 '''Wrap the command named `command' in table |
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520 |
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521 Replace command in the command table with wrapper. The wrapped command will |
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522 be inserted into the command table specified by the table argument. |
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523 |
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524 The wrapper will be called like |
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525 |
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|
526 wrapper(orig, *args, **kwargs) |
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|
527 |
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|
528 where orig is the original (wrapped) function, and *args, **kwargs |
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529 are the arguments passed to it. |
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530 |
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|
531 Optionally append to the command synopsis and docstring, used for help. |
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532 For example, if your extension wraps the ``bookmarks`` command to add the |
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533 flags ``--remote`` and ``--all`` you might call this function like so: |
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|
534 |
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|
535 synopsis = ' [-a] [--remote]' |
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|
536 docstring = """ |
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|
537 |
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538 The ``remotenames`` extension adds the ``--remote`` and ``--all`` (``-a``) |
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|
539 flags to the bookmarks command. Either flag will show the remote bookmarks |
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|
540 known to the repository; ``--remote`` will also suppress the output of the |
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|
541 local bookmarks. |
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|
542 """ |
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|
543 |
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544 extensions.wrapcommand(commands.table, 'bookmarks', exbookmarks, |
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545 synopsis, docstring) |
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|
546 ''' |
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|
547 assert callable(wrapper) |
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|
548 aliases, entry = cmdutil.findcmd(command, table) |
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|
549 for alias, e in table.iteritems(): |
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|
550 if e is entry: |
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|
551 key = alias |
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|
552 break |
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|
553 |
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|
554 origfn = entry[0] |
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555 wrap = functools.partial( |
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556 util.checksignature(wrapper), util.checksignature(origfn) |
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557 ) |
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558 _updatewrapper(wrap, origfn, wrapper) |
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559 if docstring is not None: |
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560 wrap.__doc__ += docstring |
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561 |
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562 newentry = list(entry) |
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563 newentry[0] = wrap |
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564 if synopsis is not None: |
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565 newentry[2] += synopsis |
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566 table[key] = tuple(newentry) |
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|
567 return entry |
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568 |
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569 |
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|
570 def wrapfilecache(cls, propname, wrapper): |
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571 """Wraps a filecache property. |
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572 |
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573 These can't be wrapped using the normal wrapfunction. |
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574 """ |
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575 propname = pycompat.sysstr(propname) |
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576 assert callable(wrapper) |
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577 for currcls in cls.__mro__: |
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578 if propname in currcls.__dict__: |
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579 origfn = currcls.__dict__[propname].func |
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580 assert callable(origfn) |
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581 |
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582 def wrap(*args, **kwargs): |
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583 return wrapper(origfn, *args, **kwargs) |
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584 |
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585 currcls.__dict__[propname].func = wrap |
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586 break |
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587 |
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588 if currcls is object: |
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589 raise AttributeError( |
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590 r"type '%s' has no property '%s'" % (cls, propname) |
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591 ) |
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592 |
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593 |
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594 class wrappedfunction(object): |
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595 '''context manager for temporarily wrapping a function''' |
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596 |
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597 def __init__(self, container, funcname, wrapper): |
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598 assert callable(wrapper) |
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599 self._container = container |
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600 self._funcname = funcname |
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601 self._wrapper = wrapper |
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602 |
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603 def __enter__(self): |
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604 wrapfunction(self._container, self._funcname, self._wrapper) |
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605 |
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606 def __exit__(self, exctype, excvalue, traceback): |
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607 unwrapfunction(self._container, self._funcname, self._wrapper) |
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608 |
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609 |
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610 def wrapfunction(container, funcname, wrapper): |
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611 '''Wrap the function named funcname in container |
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612 |
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613 Replace the funcname member in the given container with the specified |
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614 wrapper. The container is typically a module, class, or instance. |
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615 |
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616 The wrapper will be called like |
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617 |
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618 wrapper(orig, *args, **kwargs) |
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619 |
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620 where orig is the original (wrapped) function, and *args, **kwargs |
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621 are the arguments passed to it. |
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622 |
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623 Wrapping methods of the repository object is not recommended since |
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624 it conflicts with extensions that extend the repository by |
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625 subclassing. All extensions that need to extend methods of |
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626 localrepository should use this subclassing trick: namely, |
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627 reposetup() should look like |
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628 |
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629 def reposetup(ui, repo): |
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630 class myrepo(repo.__class__): |
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631 def whatever(self, *args, **kwargs): |
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632 [...extension stuff...] |
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633 super(myrepo, self).whatever(*args, **kwargs) |
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634 [...extension stuff...] |
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635 |
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636 repo.__class__ = myrepo |
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637 |
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638 In general, combining wrapfunction() with subclassing does not |
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639 work. Since you cannot control what other extensions are loaded by |
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640 your end users, you should play nicely with others by using the |
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641 subclass trick. |
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642 ''' |
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643 assert callable(wrapper) |
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644 |
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645 origfn = getattr(container, funcname) |
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646 assert callable(origfn) |
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647 if inspect.ismodule(container): |
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648 # origfn is not an instance or class method. "partial" can be used. |
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649 # "partial" won't insert a frame in traceback. |
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650 wrap = functools.partial(wrapper, origfn) |
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651 else: |
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652 # "partial" cannot be safely used. Emulate its effect by using "bind". |
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653 # The downside is one more frame in traceback. |
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654 wrap = bind(wrapper, origfn) |
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655 _updatewrapper(wrap, origfn, wrapper) |
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656 setattr(container, funcname, wrap) |
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657 return origfn |
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658 |
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659 |
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660 def unwrapfunction(container, funcname, wrapper=None): |
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661 '''undo wrapfunction |
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662 |
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663 If wrappers is None, undo the last wrap. Otherwise removes the wrapper |
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664 from the chain of wrappers. |
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665 |
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666 Return the removed wrapper. |
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667 Raise IndexError if wrapper is None and nothing to unwrap; ValueError if |
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668 wrapper is not None but is not found in the wrapper chain. |
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669 ''' |
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670 chain = getwrapperchain(container, funcname) |
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671 origfn = chain.pop() |
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672 if wrapper is None: |
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673 wrapper = chain[0] |
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674 chain.remove(wrapper) |
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675 setattr(container, funcname, origfn) |
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676 for w in reversed(chain): |
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677 wrapfunction(container, funcname, w) |
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678 return wrapper |
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679 |
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680 |
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681 def getwrapperchain(container, funcname): |
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682 '''get a chain of wrappers of a function |
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683 |
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684 Return a list of functions: [newest wrapper, ..., oldest wrapper, origfunc] |
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685 |
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686 The wrapper functions are the ones passed to wrapfunction, whose first |
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687 argument is origfunc. |
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688 ''' |
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689 result = [] |
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690 fn = getattr(container, funcname) |
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691 while fn: |
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692 assert callable(fn) |
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693 result.append(getattr(fn, '_unboundwrapper', fn)) |
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694 fn = getattr(fn, '_origfunc', None) |
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695 return result |
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696 |
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697 |
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698 def _disabledpaths(): |
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699 '''find paths of disabled extensions. returns a dict of {name: path}''' |
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700 import hgext |
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Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
701 |
31074
2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30575
diff
changeset
|
702 extpath = os.path.dirname( |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
703 os.path.abspath(pycompat.fsencode(hgext.__file__)) |
2372284d9457
formatting: blacken the codebase
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parents:
42547
diff
changeset
|
704 ) |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
705 try: # might not be a filesystem path |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
706 files = os.listdir(extpath) |
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
707 except OSError: |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
708 return {} |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
709 |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
710 exts = {} |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
711 for e in files: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
712 if e.endswith(b'.py'): |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
713 name = e.rsplit(b'.', 1)[0] |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
714 path = os.path.join(extpath, e) |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
715 else: |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
716 name = e |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
717 path = os.path.join(extpath, e, b'__init__.py') |
8877
08636e18268f
extensions: check for path existence only when necessary
Cédric Duval <cedricduval@free.fr>
parents:
8876
diff
changeset
|
718 if not os.path.exists(path): |
08636e18268f
extensions: check for path existence only when necessary
Cédric Duval <cedricduval@free.fr>
parents:
8876
diff
changeset
|
719 continue |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
720 if name in exts or name in _order or name == b'__init__': |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
721 continue |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
722 exts[name] = path |
33327
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
723 for name, path in _disabledextensions.iteritems(): |
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
724 # 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
|
725 # 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
|
726 if path: |
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
727 exts[name] = path |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
728 return exts |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
729 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
730 |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
731 def _moduledoc(file): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
732 '''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
|
733 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
734 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
|
735 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
|
736 the synopsis''' |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
737 result = [] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
738 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
739 line = file.readline() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
740 while line[:1] == b'#' or not line.strip(): |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
741 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
742 if not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
743 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
744 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
745 start = line[:3] |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
746 if start == b'"""' or start == b"'''": |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
747 line = line[3:] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
748 while line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
749 if line.rstrip().endswith(start): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
750 line = line.split(start)[0] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
751 if line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
752 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
753 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
754 elif not line: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
755 return None # unmatched delimiter |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
756 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
757 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
758 else: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
759 return None |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
760 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
761 return b''.join(result) |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
762 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
763 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
764 def _disabledhelp(path): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
765 '''retrieve help synopsis of a disabled extension (without importing)''' |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
766 try: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
767 with open(path, b'rb') as src: |
38344
c6f82a18a63d
extensions: use context manger for open()
Yuya Nishihara <yuya@tcha.org>
parents:
38343
diff
changeset
|
768 doc = _moduledoc(src) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
769 except IOError: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
770 return |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
771 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
772 if doc: # extracting localized synopsis |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
773 return gettext(doc) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
774 else: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
775 return _(b'(no help text available)') |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
776 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
777 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
778 def disabled(): |
14530
cd31a1cc1521
extensions: update doc of enabled() and disabled() according to d5b525697ddb
Yuya Nishihara <yuya@tcha.org>
parents:
14415
diff
changeset
|
779 '''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
|
780 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
781 from hgext import __index__ |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
782 |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
783 return dict( |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
784 (name, gettext(desc)) |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
785 for name, desc in __index__.docs.iteritems() |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
786 if name not in _order |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
787 ) |
21229
54d7657d7d1e
setup.py, make: avoid problems with outdated, existing hgext/__index__.py*
Thomas Arendsen Hein <thomas@intevation.de>
parents:
20645
diff
changeset
|
788 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
789 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
790 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
791 paths = _disabledpaths() |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
792 if not paths: |
16709
9eca39a91964
extensions.disabled: return {} instead of None no extensions are disabled
Augie Fackler <raf@durin42.com>
parents:
16667
diff
changeset
|
793 return {} |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
794 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
795 exts = {} |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
796 for name, path in paths.iteritems(): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
797 doc = _disabledhelp(path) |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
798 if doc: |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
799 exts[name] = doc.splitlines()[0] |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
800 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
801 return exts |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
802 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
803 |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
804 def disabledext(name): |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
805 '''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
|
806 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
807 from hgext import __index__ |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
808 |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
809 if name in _order: # enabled |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
810 return |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
811 else: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
812 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
|
813 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
814 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
815 |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
816 paths = _disabledpaths() |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
817 if name in paths: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
818 return _disabledhelp(paths[name]) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
819 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
820 |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
821 def _walkcommand(node): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
822 """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
|
823 todo = collections.deque([node]) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
824 while todo: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
825 node = todo.popleft() |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
826 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
|
827 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
|
828 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
829 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
|
830 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
|
831 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
832 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
|
833 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
834 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
|
835 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
836 yield d |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
837 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
838 |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
839 def _disabledcmdtable(path): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
840 """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
|
841 |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
842 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
|
843 """ |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
844 with open(path, b'rb') as src: |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
845 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
|
846 cmdtable = {} |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
847 for node in _walkcommand(root): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
848 if not node.args: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
849 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
850 a = node.args[0] |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
851 if isinstance(a, ast.Str): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
852 name = pycompat.sysbytes(a.s) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
853 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
|
854 name = a.s |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
855 else: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
856 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
857 cmdtable[name] = (None, [], b'') |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
858 return cmdtable |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
859 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
860 |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
861 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
|
862 try: |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
863 cmdtable = _disabledcmdtable(path) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
864 except (IOError, SyntaxError): |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
865 return |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
866 try: |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
867 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
|
868 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
|
869 return |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
870 for c in aliases: |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
871 if c.startswith(cmd): |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
872 cmd = c |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
873 break |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
874 else: |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
875 cmd = aliases[0] |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
876 doc = _disabledhelp(path) |
37975
6e526b0961a8
help: load module doc of disabled extension in extensions.disabledcmd()
Yuya Nishihara <yuya@tcha.org>
parents:
37974
diff
changeset
|
877 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
|
878 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
879 |
13191
1aea66b71f4f
extensions: warn about invalid extensions when listing disabled commands
Mads Kiilerich <mads@kiilerich.com>
parents:
12779
diff
changeset
|
880 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
|
881 '''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
|
882 returns (cmdname, extname, doc)''' |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
883 |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
884 paths = _disabledpaths() |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
885 if not paths: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
886 raise error.UnknownCommand(cmd) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
887 |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
888 ext = None |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
889 # 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
|
890 path = paths.pop(cmd, None) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
891 if path: |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
892 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
|
893 if not ext: |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
894 # 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
|
895 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
|
896 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
|
897 if ext: |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
898 break |
37973
5b60f7d652f2
extensions: drop dead code trying to exclude deprecated disabled commands
Yuya Nishihara <yuya@tcha.org>
parents:
37957
diff
changeset
|
899 if ext: |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
900 return ext |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
901 |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
902 raise error.UnknownCommand(cmd) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
903 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
904 |
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
|
905 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
|
906 '''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
|
907 exts = {} |
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
908 for ename, ext in extensions(): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
909 doc = gettext(ext.__doc__) or _(b'(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
|
910 if shortname: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
911 ename = ename.split(b'.')[-1] |
9136
31177742f54a
for calls expecting bool args, pass bool instead of int
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
9020
diff
changeset
|
912 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
|
913 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
914 return exts |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
915 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
916 |
28155
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
diff
changeset
|
917 def notloaded(): |
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
diff
changeset
|
918 '''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
|
919 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
|
920 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
921 |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
922 def moduleversion(module): |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
923 '''return version information from given module as a string''' |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
924 if util.safehasattr(module, b'getversion') and callable(module.getversion): |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
925 version = module.getversion() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
926 elif util.safehasattr(module, b'__version__'): |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
927 version = module.__version__ |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
928 else: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
929 version = b'' |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
930 if isinstance(version, (list, tuple)): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
931 version = b'.'.join(pycompat.bytestr(o) for o in version) |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
932 return version |
27990
96bfd2875213
version: verbose list internal and external extension source (issue4731)
liscju <piotr.listkiewicz@gmail.com>
parents:
27637
diff
changeset
|
933 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
934 |
27990
96bfd2875213
version: verbose list internal and external extension source (issue4731)
liscju <piotr.listkiewicz@gmail.com>
parents:
27637
diff
changeset
|
935 def ismoduleinternal(module): |
96bfd2875213
version: verbose list internal and external extension source (issue4731)
liscju <piotr.listkiewicz@gmail.com>
parents:
27637
diff
changeset
|
936 exttestedwith = getattr(module, 'testedwith', None) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
937 return exttestedwith == b"ships-with-hg-core" |