Mercurial > hg
annotate mercurial/extensions.py @ 47055:553451522113 stable
extensions: ignore exceptions from an extension's `getversion()` method
This method is usually called when there's a stacktrace being generated, or with
`hg version -v`. Raising another exception risks mangling the bug report info.
I hit this issue when trying to add the method to the keyring extension to
report the version of the extension and the underlying module, and ran into
demandimport issues prior to py3.8. It seems like a wise thing to do anyway,
though unfortunately there's no convenient `ui` object around to issue a
warning. Use 'unknown' to signal that it tried to report a version and failed,
unlike the default case of printing nothing.
Differential Revision: https://phab.mercurial-scm.org/D10540
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Fri, 30 Apr 2021 17:36:09 -0400 |
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1 # extensions.py - extension handling for mercurial |
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2 # |
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contributor: change mentions of mpm to olivia
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3 # Copyright 2005-2007 Olivia Mackall <olivia@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 from .pycompat import ( |
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22 getattr, |
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23 open, |
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24 setattr, |
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25 ) |
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26 |
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27 from . import ( |
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28 cmdutil, |
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29 configitems, |
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30 error, |
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31 pycompat, |
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32 util, |
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33 ) |
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34 |
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35 from .utils import stringutil |
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36 |
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37 _extensions = {} |
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38 _disabledextensions = {} |
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39 _aftercallbacks = {} |
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40 _order = [] |
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41 _builtin = { |
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42 b'hbisect', |
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43 b'bookmarks', |
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44 b'color', |
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45 b'parentrevspec', |
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46 b'progress', |
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47 b'interhg', |
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48 b'inotify', |
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49 b'hgcia', |
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50 b'shelve', |
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51 } |
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52 |
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53 |
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54 def extensions(ui=None): |
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55 if ui: |
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56 |
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57 def enabled(name): |
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58 for format in [b'%s', b'hgext.%s']: |
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59 conf = ui.config(b'extensions', format % name) |
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60 if conf is not None and not conf.startswith(b'!'): |
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61 return True |
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62 |
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63 else: |
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64 enabled = lambda name: True |
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65 for name in _order: |
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66 module = _extensions[name] |
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67 if module and enabled(name): |
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68 yield name, module |
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69 |
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70 |
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71 def find(name): |
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72 '''return module with given extension name''' |
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73 mod = None |
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74 try: |
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75 mod = _extensions[name] |
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76 except KeyError: |
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77 for k, v in pycompat.iteritems(_extensions): |
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78 if k.endswith(b'.' + name) or k.endswith(b'/' + name): |
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79 mod = v |
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80 break |
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81 if not mod: |
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82 raise KeyError(name) |
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83 return mod |
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84 |
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85 |
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86 def loadpath(path, module_name): |
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87 module_name = module_name.replace(b'.', b'_') |
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88 path = util.normpath(util.expandpath(path)) |
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89 module_name = pycompat.fsdecode(module_name) |
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90 path = pycompat.fsdecode(path) |
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91 if os.path.isdir(path): |
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92 # module/__init__.py style |
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93 d, f = os.path.split(path) |
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94 fd, fpath, desc = imp.find_module(f, [d]) |
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95 # When https://github.com/python/typeshed/issues/3466 is fixed |
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96 # and in a pytype release we can drop this disable. |
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97 return imp.load_module( |
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98 module_name, fd, fpath, desc # pytype: disable=wrong-arg-types |
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99 ) |
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100 else: |
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101 try: |
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102 return imp.load_source(module_name, path) |
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103 except IOError as exc: |
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104 if not exc.filename: |
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105 exc.filename = path # python does not fill this |
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106 raise |
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107 |
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108 |
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109 def _importh(name): |
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110 """import and return the <name> module""" |
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111 mod = __import__(pycompat.sysstr(name)) |
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112 components = name.split(b'.') |
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113 for comp in components[1:]: |
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114 mod = getattr(mod, comp) |
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115 return mod |
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116 |
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117 |
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118 def _importext(name, path=None, reportfunc=None): |
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119 if path: |
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120 # the module will be loaded in sys.modules |
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121 # choose an unique name so that it doesn't |
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122 # conflicts with other modules |
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123 mod = loadpath(path, b'hgext.%s' % name) |
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124 else: |
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125 try: |
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126 mod = _importh(b"hgext.%s" % name) |
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127 except ImportError as err: |
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128 if reportfunc: |
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129 reportfunc(err, b"hgext.%s" % name, b"hgext3rd.%s" % name) |
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130 try: |
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131 mod = _importh(b"hgext3rd.%s" % name) |
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132 except ImportError as err: |
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133 if reportfunc: |
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134 reportfunc(err, b"hgext3rd.%s" % name, name) |
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135 mod = _importh(name) |
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136 return mod |
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137 |
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138 |
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139 def _reportimporterror(ui, err, failed, next): |
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140 # note: this ui.log happens before --debug is processed, |
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141 # Use --config ui.debug=1 to see them. |
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142 ui.log( |
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143 b'extension', |
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144 b' - could not import %s (%s): trying %s\n', |
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145 failed, |
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146 stringutil.forcebytestr(err), |
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147 next, |
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148 ) |
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149 if ui.debugflag and ui.configbool(b'devel', b'debug.extensions'): |
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150 ui.traceback() |
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151 |
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152 |
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153 def _rejectunicode(name, xs): |
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154 if isinstance(xs, (list, set, tuple)): |
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155 for x in xs: |
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156 _rejectunicode(name, x) |
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157 elif isinstance(xs, dict): |
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158 for k, v in xs.items(): |
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159 _rejectunicode(name, k) |
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160 _rejectunicode(b'%s.%s' % (name, stringutil.forcebytestr(k)), v) |
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161 elif isinstance(xs, type(u'')): |
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162 raise error.ProgrammingError( |
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163 b"unicode %r found in %s" % (xs, name), |
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164 hint=b"use b'' to make it byte string", |
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165 ) |
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166 |
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167 |
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168 # attributes set by registrar.command |
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169 _cmdfuncattrs = (b'norepo', b'optionalrepo', b'inferrepo') |
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170 |
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171 |
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172 def _validatecmdtable(ui, cmdtable): |
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173 """Check if extension commands have required attributes""" |
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174 for c, e in pycompat.iteritems(cmdtable): |
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175 f = e[0] |
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176 missing = [a for a in _cmdfuncattrs if not util.safehasattr(f, a)] |
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177 if not missing: |
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178 continue |
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179 raise error.ProgrammingError( |
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180 b'missing attributes: %s' % b', '.join(missing), |
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181 hint=b"use @command decorator to register '%s'" % c, |
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182 ) |
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183 |
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184 |
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185 def _validatetables(ui, mod): |
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186 """Sanity check for loadable tables provided by extension module""" |
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187 for t in [b'cmdtable', b'colortable', b'configtable']: |
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188 _rejectunicode(t, getattr(mod, t, {})) |
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189 for t in [ |
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190 b'filesetpredicate', |
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191 b'internalmerge', |
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192 b'revsetpredicate', |
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193 b'templatefilter', |
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194 b'templatefunc', |
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195 b'templatekeyword', |
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196 ]: |
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197 o = getattr(mod, t, None) |
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198 if o: |
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199 _rejectunicode(t, o._table) |
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200 _validatecmdtable(ui, getattr(mod, 'cmdtable', {})) |
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201 |
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202 |
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203 def load(ui, name, path, loadingtime=None): |
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204 if name.startswith(b'hgext.') or name.startswith(b'hgext/'): |
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205 shortname = name[6:] |
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206 else: |
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207 shortname = name |
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208 if shortname in _builtin: |
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209 return None |
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210 if shortname in _extensions: |
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211 return _extensions[shortname] |
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212 ui.log(b'extension', b' - loading extension: %s\n', shortname) |
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213 _extensions[shortname] = None |
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214 with util.timedcm('load extension %s', shortname) as stats: |
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215 mod = _importext(name, path, bind(_reportimporterror, ui)) |
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216 ui.log(b'extension', b' > %s extension loaded in %s\n', shortname, stats) |
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217 if loadingtime is not None: |
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218 loadingtime[shortname] += stats.elapsed |
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219 |
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220 # Before we do anything with the extension, check against minimum stated |
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221 # compatibility. This gives extension authors a mechanism to have their |
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222 # extensions short circuit when loaded with a known incompatible version |
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223 # of Mercurial. |
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224 minver = getattr(mod, 'minimumhgversion', None) |
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225 if minver: |
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226 curver = util.versiontuple(n=2) |
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227 |
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228 if None in curver or util.versiontuple(minver, 2) > curver: |
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229 msg = _( |
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230 b'(third party extension %s requires version %s or newer ' |
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231 b'of Mercurial (current: %s); disabling)\n' |
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232 ) |
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233 ui.warn(msg % (shortname, minver, util.version())) |
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234 return |
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235 ui.log(b'extension', b' - validating extension tables: %s\n', shortname) |
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236 _validatetables(ui, mod) |
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237 |
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238 _extensions[shortname] = mod |
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239 _order.append(shortname) |
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240 ui.log( |
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241 b'extension', b' - invoking registered callbacks: %s\n', shortname |
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242 ) |
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243 with util.timedcm('callbacks extension %s', shortname) as stats: |
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244 for fn in _aftercallbacks.get(shortname, []): |
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245 fn(loaded=True) |
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246 ui.log(b'extension', b' > callbacks completed in %s\n', stats) |
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247 return mod |
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248 |
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249 |
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250 def _runuisetup(name, ui): |
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251 uisetup = getattr(_extensions[name], 'uisetup', None) |
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252 if uisetup: |
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253 try: |
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254 uisetup(ui) |
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255 except Exception as inst: |
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256 ui.traceback(force=True) |
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257 msg = stringutil.forcebytestr(inst) |
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258 ui.warn(_(b"*** failed to set up extension %s: %s\n") % (name, msg)) |
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259 return False |
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260 return True |
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261 |
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262 |
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263 def _runextsetup(name, ui): |
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264 extsetup = getattr(_extensions[name], 'extsetup', None) |
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265 if extsetup: |
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266 try: |
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267 extsetup(ui) |
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268 except Exception as inst: |
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269 ui.traceback(force=True) |
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270 msg = stringutil.forcebytestr(inst) |
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271 ui.warn(_(b"*** failed to set up extension %s: %s\n") % (name, msg)) |
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272 return False |
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273 return True |
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274 |
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275 |
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276 def loadall(ui, whitelist=None): |
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277 loadingtime = collections.defaultdict(int) |
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278 result = ui.configitems(b"extensions") |
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279 if whitelist is not None: |
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280 result = [(k, v) for (k, v) in result if k in whitelist] |
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281 newindex = len(_order) |
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282 ui.log( |
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283 b'extension', |
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284 b'loading %sextensions\n', |
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285 b'additional ' if newindex else b'', |
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286 ) |
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287 ui.log(b'extension', b'- processing %d entries\n', len(result)) |
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288 with util.timedcm('load all extensions') as stats: |
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289 for (name, path) in result: |
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290 if path: |
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291 if path[0:1] == b'!': |
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292 if name not in _disabledextensions: |
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293 ui.log( |
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294 b'extension', |
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295 b' - skipping disabled extension: %s\n', |
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296 name, |
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297 ) |
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298 _disabledextensions[name] = path[1:] |
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299 continue |
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300 try: |
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301 load(ui, name, path, loadingtime) |
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302 except Exception as inst: |
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303 msg = stringutil.forcebytestr(inst) |
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304 if path: |
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305 ui.warn( |
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306 _(b"*** failed to import extension %s from %s: %s\n") |
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307 % (name, path, msg) |
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308 ) |
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309 else: |
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310 ui.warn( |
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311 _(b"*** failed to import extension %s: %s\n") |
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312 % (name, msg) |
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313 ) |
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314 if isinstance(inst, error.Hint) and inst.hint: |
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315 ui.warn(_(b"*** (%s)\n") % inst.hint) |
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316 ui.traceback() |
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317 |
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318 ui.log( |
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319 b'extension', |
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320 b'> loaded %d extensions, total time %s\n', |
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321 len(_order) - newindex, |
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322 stats, |
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323 ) |
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324 # list of (objname, loadermod, loadername) tuple: |
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325 # - objname is the name of an object in extension module, |
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326 # from which extra information is loaded |
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327 # - loadermod is the module where loader is placed |
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328 # - loadername is the name of the function, |
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329 # which takes (ui, extensionname, extraobj) arguments |
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330 # |
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331 # This one is for the list of item that must be run before running any setup |
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332 earlyextraloaders = [ |
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333 (b'configtable', configitems, b'loadconfigtable'), |
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334 ] |
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335 |
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336 ui.log(b'extension', b'- loading configtable attributes\n') |
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337 _loadextra(ui, newindex, earlyextraloaders) |
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338 |
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339 broken = set() |
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340 ui.log(b'extension', b'- executing uisetup hooks\n') |
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341 with util.timedcm('all uisetup') as alluisetupstats: |
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342 for name in _order[newindex:]: |
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343 ui.log(b'extension', b' - running uisetup for %s\n', name) |
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344 with util.timedcm('uisetup %s', name) as stats: |
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345 if not _runuisetup(name, ui): |
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346 ui.log( |
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347 b'extension', |
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348 b' - the %s extension uisetup failed\n', |
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349 name, |
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350 ) |
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351 broken.add(name) |
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352 ui.log(b'extension', b' > uisetup for %s took %s\n', name, stats) |
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353 loadingtime[name] += stats.elapsed |
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354 ui.log(b'extension', b'> all uisetup took %s\n', alluisetupstats) |
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355 |
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356 ui.log(b'extension', b'- executing extsetup hooks\n') |
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357 with util.timedcm('all extsetup') as allextetupstats: |
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358 for name in _order[newindex:]: |
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359 if name in broken: |
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360 continue |
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361 ui.log(b'extension', b' - running extsetup for %s\n', name) |
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362 with util.timedcm('extsetup %s', name) as stats: |
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363 if not _runextsetup(name, ui): |
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364 ui.log( |
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365 b'extension', |
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366 b' - the %s extension extsetup failed\n', |
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367 name, |
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368 ) |
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369 broken.add(name) |
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370 ui.log(b'extension', b' > extsetup for %s took %s\n', name, stats) |
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371 loadingtime[name] += stats.elapsed |
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372 ui.log(b'extension', b'> all extsetup took %s\n', allextetupstats) |
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373 |
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374 for name in broken: |
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375 ui.log(b'extension', b' - disabling broken %s extension\n', name) |
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376 _extensions[name] = None |
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377 |
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378 # Call aftercallbacks that were never met. |
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379 ui.log(b'extension', b'- executing remaining aftercallbacks\n') |
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380 with util.timedcm('aftercallbacks') as stats: |
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381 for shortname in _aftercallbacks: |
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382 if shortname in _extensions: |
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383 continue |
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384 |
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385 for fn in _aftercallbacks[shortname]: |
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386 ui.log( |
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387 b'extension', |
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388 b' - extension %s not loaded, notify callbacks\n', |
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389 shortname, |
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390 ) |
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391 fn(loaded=False) |
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392 ui.log(b'extension', b'> remaining aftercallbacks completed in %s\n', stats) |
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393 |
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394 # loadall() is called multiple times and lingering _aftercallbacks |
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395 # entries could result in double execution. See issue4646. |
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396 _aftercallbacks.clear() |
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397 |
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398 # delay importing avoids cyclic dependency (especially commands) |
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399 from . import ( |
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400 color, |
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401 commands, |
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402 filemerge, |
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403 fileset, |
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404 revset, |
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405 templatefilters, |
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406 templatefuncs, |
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407 templatekw, |
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408 ) |
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409 |
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410 # list of (objname, loadermod, loadername) tuple: |
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411 # - objname is the name of an object in extension module, |
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412 # from which extra information is loaded |
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413 # - loadermod is the module where loader is placed |
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414 # - loadername is the name of the function, |
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415 # which takes (ui, extensionname, extraobj) arguments |
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416 ui.log(b'extension', b'- loading extension registration objects\n') |
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417 extraloaders = [ |
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418 (b'cmdtable', commands, b'loadcmdtable'), |
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419 (b'colortable', color, b'loadcolortable'), |
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420 (b'filesetpredicate', fileset, b'loadpredicate'), |
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421 (b'internalmerge', filemerge, b'loadinternalmerge'), |
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422 (b'revsetpredicate', revset, b'loadpredicate'), |
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423 (b'templatefilter', templatefilters, b'loadfilter'), |
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424 (b'templatefunc', templatefuncs, b'loadfunction'), |
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425 (b'templatekeyword', templatekw, b'loadkeyword'), |
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426 ] |
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427 with util.timedcm('load registration objects') as stats: |
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428 _loadextra(ui, newindex, extraloaders) |
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429 ui.log( |
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430 b'extension', |
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431 b'> extension registration object loading took %s\n', |
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432 stats, |
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433 ) |
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434 |
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435 # Report per extension loading time (except reposetup) |
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436 for name in sorted(loadingtime): |
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437 ui.log( |
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438 b'extension', |
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439 b'> extension %s take a total of %s to load\n', |
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440 name, |
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441 util.timecount(loadingtime[name]), |
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442 ) |
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443 |
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444 ui.log(b'extension', b'extension loading complete\n') |
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445 |
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446 |
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447 def _loadextra(ui, newindex, extraloaders): |
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448 for name in _order[newindex:]: |
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449 module = _extensions[name] |
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450 if not module: |
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451 continue # loading this module failed |
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452 |
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453 for objname, loadermod, loadername in extraloaders: |
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454 extraobj = getattr(module, objname, None) |
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455 if extraobj is not None: |
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456 getattr(loadermod, loadername)(ui, name, extraobj) |
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457 |
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458 |
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459 def afterloaded(extension, callback): |
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460 """Run the specified function after a named extension is loaded. |
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461 |
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462 If the named extension is already loaded, the callback will be called |
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463 immediately. |
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464 |
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465 If the named extension never loads, the callback will be called after |
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466 all extensions have been loaded. |
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467 |
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468 The callback receives the named argument ``loaded``, which is a boolean |
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469 indicating whether the dependent extension actually loaded. |
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470 """ |
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471 |
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472 if extension in _extensions: |
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473 # Report loaded as False if the extension is disabled |
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474 loaded = _extensions[extension] is not None |
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475 callback(loaded=loaded) |
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476 else: |
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477 _aftercallbacks.setdefault(extension, []).append(callback) |
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478 |
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479 |
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480 def populateui(ui): |
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481 """Run extension hooks on the given ui to populate additional members, |
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482 extend the class dynamically, etc. |
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483 |
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484 This will be called after the configuration is loaded, and/or extensions |
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485 are loaded. In general, it's once per ui instance, but in command-server |
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486 and hgweb, this may be called more than once with the same ui. |
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487 """ |
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488 for name, mod in extensions(ui): |
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489 hook = getattr(mod, 'uipopulate', None) |
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490 if not hook: |
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491 continue |
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492 try: |
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493 hook(ui) |
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494 except Exception as inst: |
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495 ui.traceback(force=True) |
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496 ui.warn( |
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497 _(b'*** failed to populate ui by extension %s: %s\n') |
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498 % (name, stringutil.forcebytestr(inst)) |
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499 ) |
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500 |
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501 |
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502 def bind(func, *args): |
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503 """Partial function application |
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504 |
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505 Returns a new function that is the partial application of args and kwargs |
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506 to func. For example, |
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507 |
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508 f(1, 2, bar=3) === bind(f, 1)(2, bar=3)""" |
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509 assert callable(func) |
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510 |
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511 def closure(*a, **kw): |
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512 return func(*(args + a), **kw) |
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513 |
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514 return closure |
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515 |
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516 |
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517 def _updatewrapper(wrap, origfn, unboundwrapper): |
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518 '''Copy and add some useful attributes to wrapper''' |
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519 try: |
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520 wrap.__name__ = origfn.__name__ |
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521 except AttributeError: |
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522 pass |
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523 wrap.__module__ = getattr(origfn, '__module__') |
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524 wrap.__doc__ = getattr(origfn, '__doc__') |
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525 wrap.__dict__.update(getattr(origfn, '__dict__', {})) |
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526 wrap._origfunc = origfn |
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527 wrap._unboundwrapper = unboundwrapper |
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528 |
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529 |
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530 def wrapcommand(table, command, wrapper, synopsis=None, docstring=None): |
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531 '''Wrap the command named `command' in table |
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532 |
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533 Replace command in the command table with wrapper. The wrapped command will |
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534 be inserted into the command table specified by the table argument. |
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535 |
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536 The wrapper will be called like |
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537 |
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538 wrapper(orig, *args, **kwargs) |
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539 |
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540 where orig is the original (wrapped) function, and *args, **kwargs |
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541 are the arguments passed to it. |
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542 |
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543 Optionally append to the command synopsis and docstring, used for help. |
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544 For example, if your extension wraps the ``bookmarks`` command to add the |
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545 flags ``--remote`` and ``--all`` you might call this function like so: |
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546 |
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547 synopsis = ' [-a] [--remote]' |
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548 docstring = """ |
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549 |
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550 The ``remotenames`` extension adds the ``--remote`` and ``--all`` (``-a``) |
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551 flags to the bookmarks command. Either flag will show the remote bookmarks |
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552 known to the repository; ``--remote`` will also suppress the output of the |
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553 local bookmarks. |
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554 """ |
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555 |
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556 extensions.wrapcommand(commands.table, 'bookmarks', exbookmarks, |
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557 synopsis, docstring) |
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558 ''' |
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559 assert callable(wrapper) |
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560 aliases, entry = cmdutil.findcmd(command, table) |
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561 for alias, e in pycompat.iteritems(table): |
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562 if e is entry: |
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563 key = alias |
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564 break |
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565 |
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|
566 origfn = entry[0] |
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567 wrap = functools.partial( |
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568 util.checksignature(wrapper), util.checksignature(origfn) |
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569 ) |
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570 _updatewrapper(wrap, origfn, wrapper) |
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571 if docstring is not None: |
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572 wrap.__doc__ += docstring |
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573 |
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574 newentry = list(entry) |
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575 newentry[0] = wrap |
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576 if synopsis is not None: |
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577 newentry[2] += synopsis |
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578 table[key] = tuple(newentry) |
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579 return entry |
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580 |
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581 |
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582 def wrapfilecache(cls, propname, wrapper): |
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583 """Wraps a filecache property. |
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584 |
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585 These can't be wrapped using the normal wrapfunction. |
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586 """ |
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587 propname = pycompat.sysstr(propname) |
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588 assert callable(wrapper) |
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589 for currcls in cls.__mro__: |
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590 if propname in currcls.__dict__: |
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591 origfn = currcls.__dict__[propname].func |
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592 assert callable(origfn) |
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593 |
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594 def wrap(*args, **kwargs): |
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595 return wrapper(origfn, *args, **kwargs) |
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596 |
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597 currcls.__dict__[propname].func = wrap |
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598 break |
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599 |
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600 if currcls is object: |
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601 raise AttributeError("type '%s' has no property '%s'" % (cls, propname)) |
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602 |
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603 |
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604 class wrappedfunction(object): |
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605 '''context manager for temporarily wrapping a function''' |
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606 |
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607 def __init__(self, container, funcname, wrapper): |
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608 assert callable(wrapper) |
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609 self._container = container |
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610 self._funcname = funcname |
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611 self._wrapper = wrapper |
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612 |
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613 def __enter__(self): |
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614 wrapfunction(self._container, self._funcname, self._wrapper) |
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615 |
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616 def __exit__(self, exctype, excvalue, traceback): |
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617 unwrapfunction(self._container, self._funcname, self._wrapper) |
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618 |
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619 |
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620 def wrapfunction(container, funcname, wrapper): |
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621 """Wrap the function named funcname in container |
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622 |
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623 Replace the funcname member in the given container with the specified |
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624 wrapper. The container is typically a module, class, or instance. |
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625 |
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626 The wrapper will be called like |
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627 |
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628 wrapper(orig, *args, **kwargs) |
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629 |
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630 where orig is the original (wrapped) function, and *args, **kwargs |
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631 are the arguments passed to it. |
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632 |
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633 Wrapping methods of the repository object is not recommended since |
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634 it conflicts with extensions that extend the repository by |
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635 subclassing. All extensions that need to extend methods of |
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636 localrepository should use this subclassing trick: namely, |
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637 reposetup() should look like |
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638 |
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639 def reposetup(ui, repo): |
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640 class myrepo(repo.__class__): |
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641 def whatever(self, *args, **kwargs): |
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642 [...extension stuff...] |
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643 super(myrepo, self).whatever(*args, **kwargs) |
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644 [...extension stuff...] |
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645 |
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646 repo.__class__ = myrepo |
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647 |
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648 In general, combining wrapfunction() with subclassing does not |
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649 work. Since you cannot control what other extensions are loaded by |
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650 your end users, you should play nicely with others by using the |
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651 subclass trick. |
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652 """ |
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653 assert callable(wrapper) |
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654 |
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655 origfn = getattr(container, funcname) |
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656 assert callable(origfn) |
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657 if inspect.ismodule(container): |
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658 # origfn is not an instance or class method. "partial" can be used. |
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659 # "partial" won't insert a frame in traceback. |
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660 wrap = functools.partial(wrapper, origfn) |
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661 else: |
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662 # "partial" cannot be safely used. Emulate its effect by using "bind". |
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663 # The downside is one more frame in traceback. |
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664 wrap = bind(wrapper, origfn) |
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665 _updatewrapper(wrap, origfn, wrapper) |
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666 setattr(container, funcname, wrap) |
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667 return origfn |
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668 |
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669 |
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670 def unwrapfunction(container, funcname, wrapper=None): |
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671 """undo wrapfunction |
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672 |
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673 If wrappers is None, undo the last wrap. Otherwise removes the wrapper |
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674 from the chain of wrappers. |
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675 |
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676 Return the removed wrapper. |
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677 Raise IndexError if wrapper is None and nothing to unwrap; ValueError if |
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678 wrapper is not None but is not found in the wrapper chain. |
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679 """ |
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680 chain = getwrapperchain(container, funcname) |
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681 origfn = chain.pop() |
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682 if wrapper is None: |
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683 wrapper = chain[0] |
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684 chain.remove(wrapper) |
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685 setattr(container, funcname, origfn) |
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686 for w in reversed(chain): |
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687 wrapfunction(container, funcname, w) |
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688 return wrapper |
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689 |
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690 |
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691 def getwrapperchain(container, funcname): |
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692 """get a chain of wrappers of a function |
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693 |
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694 Return a list of functions: [newest wrapper, ..., oldest wrapper, origfunc] |
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695 |
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696 The wrapper functions are the ones passed to wrapfunction, whose first |
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changeset
|
697 argument is origfunc. |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45899
diff
changeset
|
698 """ |
29764
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
699 result = [] |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
700 fn = getattr(container, funcname) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
701 while fn: |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
702 assert callable(fn) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
703 result.append(getattr(fn, '_unboundwrapper', fn)) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
704 fn = getattr(fn, '_origfunc', None) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
705 return result |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
706 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
707 |
38163
b39958d6b81b
extensions: remove strip_init=True from _disabledpaths()
Yuya Nishihara <yuya@tcha.org>
parents:
38162
diff
changeset
|
708 def _disabledpaths(): |
b39958d6b81b
extensions: remove strip_init=True from _disabledpaths()
Yuya Nishihara <yuya@tcha.org>
parents:
38162
diff
changeset
|
709 '''find paths of disabled extensions. returns a dict of {name: path}''' |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
710 import hgext |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
711 |
45105
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
712 # The hgext might not have a __file__ attribute (e.g. in PyOxidizer) and |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
713 # it might not be on a filesystem even if it does. |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
714 if util.safehasattr(hgext, '__file__'): |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
715 extpath = os.path.dirname( |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
716 os.path.abspath(pycompat.fsencode(hgext.__file__)) |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
717 ) |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
718 try: |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
719 files = os.listdir(extpath) |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
720 except OSError: |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
721 return {} |
5d09a120b4be
extensions: make `hg nonexistent` not crash with PyOxidizer
Martin von Zweigbergk <martinvonz@google.com>
parents:
44657
diff
changeset
|
722 else: |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
723 return {} |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
724 |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
725 exts = {} |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
726 for e in files: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
727 if e.endswith(b'.py'): |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
728 name = e.rsplit(b'.', 1)[0] |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
729 path = os.path.join(extpath, e) |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
730 else: |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
731 name = e |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
732 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
|
733 if not os.path.exists(path): |
08636e18268f
extensions: check for path existence only when necessary
Cédric Duval <cedricduval@free.fr>
parents:
8876
diff
changeset
|
734 continue |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
735 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
|
736 continue |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
737 exts[name] = path |
43106
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43089
diff
changeset
|
738 for name, path in pycompat.iteritems(_disabledextensions): |
33327
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
739 # 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
|
740 # 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
|
741 if path: |
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
742 exts[name] = path |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
743 return exts |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
744 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
745 |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
746 def _moduledoc(file): |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45899
diff
changeset
|
747 """return the top-level python documentation for the given file |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
748 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
749 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
|
750 handle triple quotes and to return the whole text instead of just |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45899
diff
changeset
|
751 the synopsis""" |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
752 result = [] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
753 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
754 line = file.readline() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
755 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
|
756 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
757 if not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
758 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
759 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
760 start = line[:3] |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
761 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
|
762 line = line[3:] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
763 while line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
764 if line.rstrip().endswith(start): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
765 line = line.split(start)[0] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
766 if line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
767 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
768 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
769 elif not line: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
770 return None # unmatched delimiter |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
771 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
772 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
773 else: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
774 return None |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
775 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
776 return b''.join(result) |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
777 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
778 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
779 def _disabledhelp(path): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
780 '''retrieve help synopsis of a disabled extension (without importing)''' |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
781 try: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
782 with open(path, b'rb') as src: |
38344
c6f82a18a63d
extensions: use context manger for open()
Yuya Nishihara <yuya@tcha.org>
parents:
38343
diff
changeset
|
783 doc = _moduledoc(src) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
784 except IOError: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
785 return |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
786 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
787 if doc: # extracting localized synopsis |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
788 return gettext(doc) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
789 else: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
790 return _(b'(no help text available)') |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
791 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
792 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
793 def disabled(): |
14530
cd31a1cc1521
extensions: update doc of enabled() and disabled() according to d5b525697ddb
Yuya Nishihara <yuya@tcha.org>
parents:
14415
diff
changeset
|
794 '''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
|
795 try: |
43705
1ea33dff7841
extensions: hide two confusing import statements from pytype
Augie Fackler <augie@google.com>
parents:
43506
diff
changeset
|
796 from hgext import __index__ # pytype: disable=import-error |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
797 |
44452
9d2b2df2c2ba
cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents:
43707
diff
changeset
|
798 return { |
9d2b2df2c2ba
cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents:
43707
diff
changeset
|
799 name: gettext(desc) |
43106
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43089
diff
changeset
|
800 for name, desc in pycompat.iteritems(__index__.docs) |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
801 if name not in _order |
44452
9d2b2df2c2ba
cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents:
43707
diff
changeset
|
802 } |
21229
54d7657d7d1e
setup.py, make: avoid problems with outdated, existing hgext/__index__.py*
Thomas Arendsen Hein <thomas@intevation.de>
parents:
20645
diff
changeset
|
803 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
804 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
805 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
806 paths = _disabledpaths() |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
807 if not paths: |
16709
9eca39a91964
extensions.disabled: return {} instead of None no extensions are disabled
Augie Fackler <raf@durin42.com>
parents:
16667
diff
changeset
|
808 return {} |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
809 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
810 exts = {} |
43106
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43089
diff
changeset
|
811 for name, path in pycompat.iteritems(paths): |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
812 doc = _disabledhelp(path) |
46094
1ced08423d59
extensions: avoid including `__index__` in the disabled extension list
Matt Harbison <matt_harbison@yahoo.com>
parents:
46030
diff
changeset
|
813 if doc and name != b'__index__': |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
814 exts[name] = doc.splitlines()[0] |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
815 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
816 return exts |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
817 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
818 |
44657
843418dc0b1b
extensions: refactor function for obtaining disabled extension help
Gregory Szorc <gregory.szorc@gmail.com>
parents:
44452
diff
changeset
|
819 def disabled_help(name): |
843418dc0b1b
extensions: refactor function for obtaining disabled extension help
Gregory Szorc <gregory.szorc@gmail.com>
parents:
44452
diff
changeset
|
820 """Obtain the full help text for a disabled extension, or None.""" |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
821 paths = _disabledpaths() |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
822 if name in paths: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
823 return _disabledhelp(paths[name]) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
824 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
825 |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
826 def _walkcommand(node): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
827 """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
|
828 todo = collections.deque([node]) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
829 while todo: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
830 node = todo.popleft() |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
831 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
|
832 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
|
833 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
834 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
|
835 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
|
836 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
837 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
|
838 continue |
43506
9f70512ae2cf
cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents:
43503
diff
changeset
|
839 if d.func.id != 'command': |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
840 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
841 yield d |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
842 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
843 |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
844 def _disabledcmdtable(path): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
845 """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
|
846 |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
847 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
|
848 """ |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
849 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
|
850 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
|
851 cmdtable = {} |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
852 for node in _walkcommand(root): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
853 if not node.args: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
854 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
855 a = node.args[0] |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
856 if isinstance(a, ast.Str): |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
857 name = pycompat.sysbytes(a.s) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
858 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
|
859 name = a.s |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
860 else: |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
861 continue |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
862 cmdtable[name] = (None, [], b'') |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
863 return cmdtable |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
864 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
865 |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
866 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
|
867 try: |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
868 cmdtable = _disabledcmdtable(path) |
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
869 except (IOError, SyntaxError): |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
870 return |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
871 try: |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
872 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
|
873 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
|
874 return |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
875 for c in aliases: |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
876 if c.startswith(cmd): |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
877 cmd = c |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
878 break |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
879 else: |
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
880 cmd = aliases[0] |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
881 doc = _disabledhelp(path) |
37975
6e526b0961a8
help: load module doc of disabled extension in extensions.disabledcmd()
Yuya Nishihara <yuya@tcha.org>
parents:
37974
diff
changeset
|
882 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
|
883 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
884 |
13191
1aea66b71f4f
extensions: warn about invalid extensions when listing disabled commands
Mads Kiilerich <mads@kiilerich.com>
parents:
12779
diff
changeset
|
885 def disabledcmd(ui, cmd, strict=False): |
45942
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45899
diff
changeset
|
886 """find cmd from disabled extensions without importing. |
89a2afe31e82
formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents:
45899
diff
changeset
|
887 returns (cmdname, extname, doc)""" |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
888 |
38162
bdf344aea0ee
extensions: peek command table of disabled extensions without importing
Yuya Nishihara <yuya@tcha.org>
parents:
38020
diff
changeset
|
889 paths = _disabledpaths() |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
890 if not paths: |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
891 raise error.UnknownCommand(cmd) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
892 |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
893 ext = None |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
894 # 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
|
895 path = paths.pop(cmd, None) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
896 if path: |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
897 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
|
898 if not ext: |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
899 # otherwise, interrogate each extension until there's a match |
43106
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43089
diff
changeset
|
900 for name, path in pycompat.iteritems(paths): |
37974
b45f4c1532c0
extensions: extract closure that looks for commands from disabled module
Yuya Nishihara <yuya@tcha.org>
parents:
37973
diff
changeset
|
901 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
|
902 if ext: |
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
903 break |
37973
5b60f7d652f2
extensions: drop dead code trying to exclude deprecated disabled commands
Yuya Nishihara <yuya@tcha.org>
parents:
37957
diff
changeset
|
904 if ext: |
16667
bdb7ae65c27c
extensions: don't suggest commands from deprecated extensions
Martin Geisler <mg@lazybytes.net>
parents:
16666
diff
changeset
|
905 return ext |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
906 |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
907 raise error.UnknownCommand(cmd) |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
908 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
909 |
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 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
|
911 '''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
|
912 exts = {} |
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
913 for ename, ext in extensions(): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
914 doc = gettext(ext.__doc__) or _(b'(no help text available)') |
46690
90a92f041fc6
typing: add an assertion instead of blacklisting mercurial/extensions.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
46094
diff
changeset
|
915 assert doc is not None # help pytype |
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
|
916 if shortname: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
917 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
|
918 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
|
919 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
920 return exts |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
921 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
922 |
28155
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
diff
changeset
|
923 def notloaded(): |
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
diff
changeset
|
924 '''return short names of extensions that failed to load''' |
43106
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43089
diff
changeset
|
925 return [ |
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43089
diff
changeset
|
926 name for name, mod in pycompat.iteritems(_extensions) if mod is None |
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43089
diff
changeset
|
927 ] |
28155
7f430b2ac7fd
extensions: add notloaded method to return extensions failed to load
Jun Wu <quark@fb.com>
parents:
27990
diff
changeset
|
928 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42547
diff
changeset
|
929 |
21848
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
930 def moduleversion(module): |
ecdbbb6e5d06
version: show enabled extensions (issue4209)
anatoly techtonik <techtonik@gmail.com>
parents:
21795
diff
changeset
|
931 '''return version information from given module as a string''' |
43077
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932 if util.safehasattr(module, b'getversion') and callable(module.getversion): |
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933 try: |
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934 version = module.getversion() |
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935 except Exception: |
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936 version = b'unknown' |
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937 |
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938 elif util.safehasattr(module, b'__version__'): |
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939 version = module.__version__ |
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940 else: |
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941 version = b'' |
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942 if isinstance(version, (list, tuple)): |
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943 version = b'.'.join(pycompat.bytestr(o) for o in version) |
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944 else: |
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945 # version data should be bytes, but not all extensions are ported |
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946 # to py3. |
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947 version = stringutil.forcebytestr(version) |
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948 return version |
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949 |
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950 |
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951 def ismoduleinternal(module): |
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952 exttestedwith = getattr(module, 'testedwith', None) |
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953 return exttestedwith == b"ships-with-hg-core" |