Mercurial > hg
annotate mercurial/extensions.py @ 33507:e9672de52a23
debugignore: eliminate inconsistencies with `hg status` (issue5222)
Using a matcher for this command allows processing the named file(s) as
relative to cwd. It also leverages the icasefs normalization logic the same
way the status command does. (However, a false indicator is given for a
nonexistent file in some cases, e.g. passing 'foo.REJ' when that file doesn't
exist, and the rule is '*.rej'. Maybe the regex itself needs to be case
insensitive on these platforms, at least for the debug command.) Finally, the
file printed is relative to cwd and uses platform specific slashes, so a few
(glob)s were needed in seemingly unrelated tests.
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Sat, 15 Jul 2017 15:23:29 -0400 |
parents | 68b7ceda99d7 |
children | 792d121f22ba |
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1 # extensions.py - extension handling for mercurial |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import imp |
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11 import inspect |
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12 import os |
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13 |
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14 from .i18n import ( |
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15 _, |
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16 gettext, |
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17 ) |
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18 |
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19 from . import ( |
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20 cmdutil, |
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21 configitems, |
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22 encoding, |
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23 error, |
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24 pycompat, |
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25 util, |
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26 ) |
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27 |
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28 _extensions = {} |
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29 _disabledextensions = {} |
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30 _aftercallbacks = {} |
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31 _order = [] |
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32 _builtin = {'hbisect', 'bookmarks', 'parentrevspec', 'progress', 'interhg', |
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33 'inotify', 'hgcia'} |
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34 |
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35 def extensions(ui=None): |
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36 if ui: |
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37 def enabled(name): |
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38 for format in ['%s', 'hgext.%s']: |
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39 conf = ui.config('extensions', format % name) |
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40 if conf is not None and not conf.startswith('!'): |
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41 return True |
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42 else: |
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43 enabled = lambda name: True |
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44 for name in _order: |
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45 module = _extensions[name] |
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46 if module and enabled(name): |
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47 yield name, module |
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48 |
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49 def find(name): |
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50 '''return module with given extension name''' |
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51 mod = None |
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52 try: |
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53 mod = _extensions[name] |
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54 except KeyError: |
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55 for k, v in _extensions.iteritems(): |
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56 if k.endswith('.' + name) or k.endswith('/' + name): |
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57 mod = v |
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58 break |
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59 if not mod: |
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60 raise KeyError(name) |
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61 return mod |
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62 |
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63 def loadpath(path, module_name): |
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64 module_name = module_name.replace('.', '_') |
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65 path = util.normpath(util.expandpath(path)) |
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66 module_name = pycompat.fsdecode(module_name) |
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67 path = pycompat.fsdecode(path) |
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68 if os.path.isdir(path): |
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69 # module/__init__.py style |
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70 d, f = os.path.split(path) |
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71 fd, fpath, desc = imp.find_module(f, [d]) |
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72 return imp.load_module(module_name, fd, fpath, desc) |
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73 else: |
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74 try: |
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75 return imp.load_source(module_name, path) |
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76 except IOError as exc: |
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77 if not exc.filename: |
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78 exc.filename = path # python does not fill this |
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79 raise |
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80 |
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81 def _importh(name): |
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82 """import and return the <name> module""" |
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83 mod = __import__(pycompat.sysstr(name)) |
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84 components = name.split('.') |
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85 for comp in components[1:]: |
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86 mod = getattr(mod, comp) |
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87 return mod |
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88 |
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89 def _importext(name, path=None, reportfunc=None): |
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90 if path: |
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91 # the module will be loaded in sys.modules |
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92 # choose an unique name so that it doesn't |
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93 # conflicts with other modules |
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94 mod = loadpath(path, 'hgext.%s' % name) |
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95 else: |
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96 try: |
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97 mod = _importh("hgext.%s" % name) |
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98 except ImportError as err: |
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99 if reportfunc: |
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100 reportfunc(err, "hgext.%s" % name, "hgext3rd.%s" % name) |
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101 try: |
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102 mod = _importh("hgext3rd.%s" % name) |
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103 except ImportError as err: |
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104 if reportfunc: |
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105 reportfunc(err, "hgext3rd.%s" % name, name) |
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106 mod = _importh(name) |
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107 return mod |
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108 |
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109 def _forbytes(inst): |
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110 """Portably format an import error into a form suitable for |
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111 %-formatting into bytestrings.""" |
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112 return encoding.strtolocal(str(inst)) |
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113 |
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114 def _reportimporterror(ui, err, failed, next): |
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115 # note: this ui.debug happens before --debug is processed, |
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116 # Use --config ui.debug=1 to see them. |
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117 ui.debug('could not import %s (%s): trying %s\n' |
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118 % (failed, _forbytes(err), next)) |
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119 if ui.debugflag: |
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120 ui.traceback() |
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121 |
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122 # attributes set by registrar.command |
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123 _cmdfuncattrs = ('norepo', 'optionalrepo', 'inferrepo') |
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124 |
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125 def _validatecmdtable(ui, cmdtable): |
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126 """Check if extension commands have required attributes""" |
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127 for c, e in cmdtable.iteritems(): |
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128 f = e[0] |
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129 if getattr(f, '_deprecatedregistrar', False): |
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130 ui.deprecwarn("cmdutil.command is deprecated, use " |
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131 "registrar.command to register '%s'" % c, '4.6') |
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132 missing = [a for a in _cmdfuncattrs if not util.safehasattr(f, a)] |
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133 if not missing: |
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134 continue |
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135 raise error.ProgrammingError( |
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136 'missing attributes: %s' % ', '.join(missing), |
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137 hint="use @command decorator to register '%s'" % c) |
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138 |
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139 def load(ui, name, path): |
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140 if name.startswith('hgext.') or name.startswith('hgext/'): |
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141 shortname = name[6:] |
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142 else: |
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143 shortname = name |
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144 if shortname in _builtin: |
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145 return None |
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146 if shortname in _extensions: |
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147 return _extensions[shortname] |
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148 _extensions[shortname] = None |
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149 mod = _importext(name, path, bind(_reportimporterror, ui)) |
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150 |
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151 # Before we do anything with the extension, check against minimum stated |
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152 # compatibility. This gives extension authors a mechanism to have their |
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153 # extensions short circuit when loaded with a known incompatible version |
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154 # of Mercurial. |
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155 minver = getattr(mod, 'minimumhgversion', None) |
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156 if minver and util.versiontuple(minver, 2) > util.versiontuple(n=2): |
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157 ui.warn(_('(third party extension %s requires version %s or newer ' |
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158 'of Mercurial; disabling)\n') % (shortname, minver)) |
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159 return |
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160 _validatecmdtable(ui, getattr(mod, 'cmdtable', {})) |
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161 |
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162 _extensions[shortname] = mod |
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163 _order.append(shortname) |
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164 for fn in _aftercallbacks.get(shortname, []): |
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165 fn(loaded=True) |
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166 return mod |
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167 |
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168 def _runuisetup(name, ui): |
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169 uisetup = getattr(_extensions[name], 'uisetup', None) |
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170 if uisetup: |
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171 try: |
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172 uisetup(ui) |
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173 except Exception as inst: |
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174 ui.traceback() |
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175 msg = _forbytes(inst) |
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176 ui.warn(_("*** failed to set up extension %s: %s\n") % (name, msg)) |
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177 return False |
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178 return True |
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179 |
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180 def _runextsetup(name, ui): |
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181 extsetup = getattr(_extensions[name], 'extsetup', None) |
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182 if extsetup: |
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183 try: |
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184 try: |
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185 extsetup(ui) |
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186 except TypeError: |
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187 if inspect.getargspec(extsetup).args: |
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188 raise |
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189 extsetup() # old extsetup with no ui argument |
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190 except Exception as inst: |
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191 ui.traceback() |
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192 msg = _forbytes(inst) |
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193 ui.warn(_("*** failed to set up extension %s: %s\n") % (name, msg)) |
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194 return False |
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195 return True |
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196 |
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197 def loadall(ui, whitelist=None): |
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198 result = ui.configitems("extensions") |
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199 if whitelist is not None: |
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200 result = [(k, v) for (k, v) in result if k in whitelist] |
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201 newindex = len(_order) |
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cleanup: drop enumerate() when index is not used
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202 for (name, path) in result: |
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203 if path: |
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204 if path[0:1] == '!': |
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help: show content for explicitly disabled extension (issue5228)
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205 _disabledextensions[name] = path[1:] |
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206 continue |
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207 try: |
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208 load(ui, name, path) |
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209 except Exception as inst: |
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210 msg = _forbytes(inst) |
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211 if path: |
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212 ui.warn(_("*** failed to import extension %s from %s: %s\n") |
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213 % (name, path, msg)) |
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214 else: |
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215 ui.warn(_("*** failed to import extension %s: %s\n") |
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216 % (name, msg)) |
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217 if isinstance(inst, error.Hint) and inst.hint: |
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218 ui.warn(_("*** (%s)\n") % inst.hint) |
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219 ui.traceback() |
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220 |
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221 broken = set() |
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222 for name in _order[newindex:]: |
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223 if not _runuisetup(name, ui): |
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224 broken.add(name) |
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225 |
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226 for name in _order[newindex:]: |
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227 if name in broken: |
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228 continue |
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229 if not _runextsetup(name, ui): |
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230 broken.add(name) |
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231 |
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232 for name in broken: |
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233 _extensions[name] = None |
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234 |
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235 # Call aftercallbacks that were never met. |
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236 for shortname in _aftercallbacks: |
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237 if shortname in _extensions: |
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238 continue |
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239 |
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240 for fn in _aftercallbacks[shortname]: |
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241 fn(loaded=False) |
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242 |
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243 # loadall() is called multiple times and lingering _aftercallbacks |
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244 # entries could result in double execution. See issue4646. |
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245 _aftercallbacks.clear() |
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246 |
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247 # delay importing avoids cyclic dependency (especially commands) |
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248 from . import ( |
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249 color, |
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250 commands, |
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251 fileset, |
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252 revset, |
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253 templatefilters, |
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254 templatekw, |
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255 templater, |
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256 ) |
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257 |
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258 # list of (objname, loadermod, loadername) tuple: |
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259 # - objname is the name of an object in extension module, |
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260 # from which extra information is loaded |
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261 # - loadermod is the module where loader is placed |
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262 # - loadername is the name of the function, |
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263 # which takes (ui, extensionname, extraobj) arguments |
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264 extraloaders = [ |
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265 ('cmdtable', commands, 'loadcmdtable'), |
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266 ('colortable', color, 'loadcolortable'), |
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267 ('configtable', configitems, 'loadconfigtable'), |
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268 ('filesetpredicate', fileset, 'loadpredicate'), |
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269 ('revsetpredicate', revset, 'loadpredicate'), |
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270 ('templatefilter', templatefilters, 'loadfilter'), |
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271 ('templatefunc', templater, 'loadfunction'), |
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272 ('templatekeyword', templatekw, 'loadkeyword'), |
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273 ] |
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274 |
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275 for name in _order[newindex:]: |
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276 module = _extensions[name] |
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277 if not module: |
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278 continue # loading this module failed |
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279 |
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280 for objname, loadermod, loadername in extraloaders: |
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281 extraobj = getattr(module, objname, None) |
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282 if extraobj is not None: |
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283 getattr(loadermod, loadername)(ui, name, extraobj) |
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284 |
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285 def afterloaded(extension, callback): |
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286 '''Run the specified function after a named extension is loaded. |
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287 |
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288 If the named extension is already loaded, the callback will be called |
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289 immediately. |
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290 |
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291 If the named extension never loads, the callback will be called after |
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292 all extensions have been loaded. |
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293 |
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294 The callback receives the named argument ``loaded``, which is a boolean |
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295 indicating whether the dependent extension actually loaded. |
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296 ''' |
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297 |
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298 if extension in _extensions: |
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299 # Report loaded as False if the extension is disabled |
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300 loaded = (_extensions[extension] is not None) |
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301 callback(loaded=loaded) |
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302 else: |
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303 _aftercallbacks.setdefault(extension, []).append(callback) |
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304 |
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305 def bind(func, *args): |
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306 '''Partial function application |
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307 |
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308 Returns a new function that is the partial application of args and kwargs |
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309 to func. For example, |
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310 |
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311 f(1, 2, bar=3) === bind(f, 1)(2, bar=3)''' |
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312 assert callable(func) |
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313 def closure(*a, **kw): |
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314 return func(*(args + a), **kw) |
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315 return closure |
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316 |
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317 def _updatewrapper(wrap, origfn, unboundwrapper): |
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318 '''Copy and add some useful attributes to wrapper''' |
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319 wrap.__module__ = getattr(origfn, '__module__') |
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320 wrap.__doc__ = getattr(origfn, '__doc__') |
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321 wrap.__dict__.update(getattr(origfn, '__dict__', {})) |
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322 wrap._origfunc = origfn |
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323 wrap._unboundwrapper = unboundwrapper |
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324 |
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325 def wrapcommand(table, command, wrapper, synopsis=None, docstring=None): |
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326 '''Wrap the command named `command' in table |
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327 |
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328 Replace command in the command table with wrapper. The wrapped command will |
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329 be inserted into the command table specified by the table argument. |
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330 |
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331 The wrapper will be called like |
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332 |
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333 wrapper(orig, *args, **kwargs) |
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334 |
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335 where orig is the original (wrapped) function, and *args, **kwargs |
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336 are the arguments passed to it. |
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337 |
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338 Optionally append to the command synopsis and docstring, used for help. |
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339 For example, if your extension wraps the ``bookmarks`` command to add the |
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340 flags ``--remote`` and ``--all`` you might call this function like so: |
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341 |
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342 synopsis = ' [-a] [--remote]' |
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343 docstring = """ |
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344 |
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345 The ``remotenames`` extension adds the ``--remote`` and ``--all`` (``-a``) |
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346 flags to the bookmarks command. Either flag will show the remote bookmarks |
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347 known to the repository; ``--remote`` will also suppress the output of the |
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348 local bookmarks. |
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349 """ |
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350 |
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351 extensions.wrapcommand(commands.table, 'bookmarks', exbookmarks, |
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352 synopsis, docstring) |
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353 ''' |
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354 assert callable(wrapper) |
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355 aliases, entry = cmdutil.findcmd(command, table) |
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356 for alias, e in table.iteritems(): |
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357 if e is entry: |
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358 key = alias |
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359 break |
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360 |
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361 origfn = entry[0] |
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362 wrap = bind(util.checksignature(wrapper), util.checksignature(origfn)) |
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363 _updatewrapper(wrap, origfn, wrapper) |
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364 if docstring is not None: |
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365 wrap.__doc__ += docstring |
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366 |
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367 newentry = list(entry) |
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368 newentry[0] = wrap |
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369 if synopsis is not None: |
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370 newentry[2] += synopsis |
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371 table[key] = tuple(newentry) |
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372 return entry |
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373 |
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374 def wrapfilecache(cls, propname, wrapper): |
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375 """Wraps a filecache property. |
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376 |
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377 These can't be wrapped using the normal wrapfunction. |
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378 """ |
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379 assert callable(wrapper) |
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380 for currcls in cls.__mro__: |
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381 if propname in currcls.__dict__: |
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382 origfn = currcls.__dict__[propname].func |
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383 assert callable(origfn) |
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384 def wrap(*args, **kwargs): |
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385 return wrapper(origfn, *args, **kwargs) |
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386 currcls.__dict__[propname].func = wrap |
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387 break |
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388 |
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389 if currcls is object: |
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390 raise AttributeError( |
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391 _("type '%s' has no property '%s'") % (cls, propname)) |
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392 |
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393 def wrapfunction(container, funcname, wrapper): |
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394 '''Wrap the function named funcname in container |
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395 |
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396 Replace the funcname member in the given container with the specified |
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397 wrapper. The container is typically a module, class, or instance. |
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398 |
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399 The wrapper will be called like |
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400 |
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401 wrapper(orig, *args, **kwargs) |
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402 |
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403 where orig is the original (wrapped) function, and *args, **kwargs |
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404 are the arguments passed to it. |
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405 |
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406 Wrapping methods of the repository object is not recommended since |
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407 it conflicts with extensions that extend the repository by |
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408 subclassing. All extensions that need to extend methods of |
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409 localrepository should use this subclassing trick: namely, |
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410 reposetup() should look like |
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411 |
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412 def reposetup(ui, repo): |
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413 class myrepo(repo.__class__): |
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414 def whatever(self, *args, **kwargs): |
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415 [...extension stuff...] |
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416 super(myrepo, self).whatever(*args, **kwargs) |
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417 [...extension stuff...] |
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418 |
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419 repo.__class__ = myrepo |
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420 |
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421 In general, combining wrapfunction() with subclassing does not |
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422 work. Since you cannot control what other extensions are loaded by |
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423 your end users, you should play nicely with others by using the |
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424 subclass trick. |
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425 ''' |
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426 assert callable(wrapper) |
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427 |
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428 origfn = getattr(container, funcname) |
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429 assert callable(origfn) |
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430 wrap = bind(wrapper, origfn) |
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431 _updatewrapper(wrap, origfn, wrapper) |
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432 setattr(container, funcname, wrap) |
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433 return origfn |
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434 |
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435 def unwrapfunction(container, funcname, wrapper=None): |
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436 '''undo wrapfunction |
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437 |
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438 If wrappers is None, undo the last wrap. Otherwise removes the wrapper |
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439 from the chain of wrappers. |
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440 |
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441 Return the removed wrapper. |
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442 Raise IndexError if wrapper is None and nothing to unwrap; ValueError if |
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443 wrapper is not None but is not found in the wrapper chain. |
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444 ''' |
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445 chain = getwrapperchain(container, funcname) |
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446 origfn = chain.pop() |
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447 if wrapper is None: |
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448 wrapper = chain[0] |
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449 chain.remove(wrapper) |
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450 setattr(container, funcname, origfn) |
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451 for w in reversed(chain): |
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452 wrapfunction(container, funcname, w) |
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453 return wrapper |
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454 |
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455 def getwrapperchain(container, funcname): |
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456 '''get a chain of wrappers of a function |
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457 |
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458 Return a list of functions: [newest wrapper, ..., oldest wrapper, origfunc] |
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459 |
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460 The wrapper functions are the ones passed to wrapfunction, whose first |
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461 argument is origfunc. |
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462 ''' |
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463 result = [] |
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464 fn = getattr(container, funcname) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
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diff
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|
465 while fn: |
8bf97c4c6c2a
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diff
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|
466 assert callable(fn) |
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|
467 result.append(getattr(fn, '_unboundwrapper', fn)) |
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Jun Wu <quark@fb.com>
parents:
29763
diff
changeset
|
468 fn = getattr(fn, '_origfunc', None) |
8bf97c4c6c2a
extensions: add getwrapperchain to get a list of wrappers
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
469 return result |
8bf97c4c6c2a
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Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
470 |
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changeset
|
471 def _disabledpaths(strip_init=False): |
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diff
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|
472 '''find paths of disabled extensions. returns a dict of {name: path} |
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|
473 removes /__init__.py from packages if strip_init is True''' |
8872
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|
474 import hgext |
31074
2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30575
diff
changeset
|
475 extpath = os.path.dirname( |
2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
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diff
changeset
|
476 os.path.abspath(pycompat.fsencode(hgext.__file__))) |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
8896
diff
changeset
|
477 try: # might not be a filesystem path |
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
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diff
changeset
|
478 files = os.listdir(extpath) |
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
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diff
changeset
|
479 except OSError: |
10363
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480 return {} |
8964
119d1f664eae
extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
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diff
changeset
|
481 |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
482 exts = {} |
8964
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extensions: catch OSError when hgext is not accessible (issue1708)
Cédric Duval <cedricduval@free.fr>
parents:
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diff
changeset
|
483 for e in files: |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
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changeset
|
484 if e.endswith('.py'): |
d0c0013f8713
extensions: simplify by selecting primary hgext
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parents:
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diff
changeset
|
485 name = e.rsplit('.', 1)[0] |
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|
486 path = os.path.join(extpath, e) |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
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diff
changeset
|
487 else: |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
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diff
changeset
|
488 name = e |
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
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diff
changeset
|
489 path = os.path.join(extpath, e, '__init__.py') |
8877
08636e18268f
extensions: check for path existence only when necessary
Cédric Duval <cedricduval@free.fr>
parents:
8876
diff
changeset
|
490 if not os.path.exists(path): |
08636e18268f
extensions: check for path existence only when necessary
Cédric Duval <cedricduval@free.fr>
parents:
8876
diff
changeset
|
491 continue |
10364
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diff
changeset
|
492 if strip_init: |
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diff
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|
493 path = os.path.dirname(path) |
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extensions: refactor disabled()
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changeset
|
494 if name in exts or name in _order or name == '__init__': |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
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diff
changeset
|
495 continue |
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extensions: refactor disabled()
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diff
changeset
|
496 exts[name] = path |
33327
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
497 for name, path in _disabledextensions.iteritems(): |
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
498 # 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
|
499 # 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
|
500 if path: |
68b7ceda99d7
dispatch: fix typo suggestion for disabled extension
Martin von Zweigbergk <martinvonz@google.com>
parents:
33132
diff
changeset
|
501 exts[name] = path |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
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diff
changeset
|
502 return exts |
8872
d0c0013f8713
extensions: simplify by selecting primary hgext
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8871
diff
changeset
|
503 |
14317
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
504 def _moduledoc(file): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
505 '''return the top-level python documentation for the given file |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
506 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
507 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
|
508 handle triple quotes and to return the whole text instead of just |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
509 the synopsis''' |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
510 result = [] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
511 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
512 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
513 while line[:1] == '#' or not line.strip(): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
514 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
515 if not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
516 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
517 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
518 start = line[:3] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
519 if start == '"""' or start == "'''": |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
520 line = line[3:] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
521 while line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
522 if line.rstrip().endswith(start): |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
523 line = line.split(start)[0] |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
524 if line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
525 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
526 break |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
527 elif not line: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
528 return None # unmatched delimiter |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
529 result.append(line) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
530 line = file.readline() |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
531 else: |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
532 return None |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
533 |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
534 return ''.join(result) |
660b0c1b6196
extensions: move moduledoc to break import loop with help
Matt Mackall <mpm@selenic.com>
parents:
14316
diff
changeset
|
535 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
536 def _disabledhelp(path): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
537 '''retrieve help synopsis of a disabled extension (without importing)''' |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
538 try: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
539 file = open(path) |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
540 except IOError: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
541 return |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
542 else: |
14318
1f46be4689ed
help: consolidate topic hooks in help.py
Matt Mackall <mpm@selenic.com>
parents:
14317
diff
changeset
|
543 doc = _moduledoc(file) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
544 file.close() |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
545 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
546 if doc: # extracting localized synopsis |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
547 return gettext(doc) |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
548 else: |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
549 return _('(no help text available)') |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
550 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
551 def disabled(): |
14530
cd31a1cc1521
extensions: update doc of enabled() and disabled() according to d5b525697ddb
Yuya Nishihara <yuya@tcha.org>
parents:
14415
diff
changeset
|
552 '''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
|
553 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
554 from hgext import __index__ |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
555 return dict((name, gettext(desc)) |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
556 for name, desc in __index__.docs.iteritems() |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
557 if name not in _order) |
21229
54d7657d7d1e
setup.py, make: avoid problems with outdated, existing hgext/__index__.py*
Thomas Arendsen Hein <thomas@intevation.de>
parents:
20645
diff
changeset
|
558 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
559 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
560 |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
561 paths = _disabledpaths() |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
562 if not paths: |
16709
9eca39a91964
extensions.disabled: return {} instead of None no extensions are disabled
Augie Fackler <raf@durin42.com>
parents:
16667
diff
changeset
|
563 return {} |
10363
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
564 |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
565 exts = {} |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
566 for name, path in paths.iteritems(): |
c07974215b3d
extensions: refactor disabled()
Brodie Rao <me+hg@dackz.net>
parents:
10263
diff
changeset
|
567 doc = _disabledhelp(path) |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
568 if doc: |
30306
5581b294f3c6
help: show help for disabled extensions (issue5228)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30058
diff
changeset
|
569 exts[name] = doc.splitlines()[0] |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
570 |
14316
d5b525697ddb
extensions: drop maxlength from enabled and disabled
Matt Mackall <mpm@selenic.com>
parents:
14079
diff
changeset
|
571 return exts |
8871
20a25042fadc
extensions: move extensions listing functions from mercurial.help
Cédric Duval <cedricduval@free.fr>
parents:
8225
diff
changeset
|
572 |
10364
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
573 def disabledext(name): |
de1e7099d100
dispatch: provide help for disabled extensions and commands
Brodie Rao <me+hg@dackz.net>
parents:
10363
diff
changeset
|
574 '''find a specific disabled extension from hgext. returns desc''' |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
575 try: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
576 from hgext import __index__ |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
577 if name in _order: # enabled |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
578 return |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
579 else: |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
580 return gettext(__index__.docs.get(name)) |
21229
54d7657d7d1e
setup.py, make: avoid problems with outdated, existing hgext/__index__.py*
Thomas Arendsen Hein <thomas@intevation.de>
parents:
20645
diff
changeset
|
581 except (ImportError, AttributeError): |
14539
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
582 pass |
558ec14ba6be
extensions: make disabled()/disabledext() load prebuilt index if available
Yuya Nishihara <yuya@tcha.org>
parents:
14530
diff
changeset
|
583 |
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584 paths = _disabledpaths() |
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585 if name in paths: |
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586 return _disabledhelp(paths[name]) |
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587 |
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588 def disabledcmd(ui, cmd, strict=False): |
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589 '''import disabled extensions until cmd is found. |
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590 returns (cmdname, extname, module)''' |
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591 |
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592 paths = _disabledpaths(strip_init=True) |
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593 if not paths: |
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594 raise error.UnknownCommand(cmd) |
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595 |
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596 def findcmd(cmd, name, path): |
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597 try: |
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598 mod = loadpath(path, 'hgext.%s' % name) |
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599 except Exception: |
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600 return |
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601 try: |
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602 aliases, entry = cmdutil.findcmd(cmd, |
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603 getattr(mod, 'cmdtable', {}), strict) |
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604 except (error.AmbiguousCommand, error.UnknownCommand): |
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605 return |
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606 except Exception: |
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607 ui.warn(_('warning: error finding commands in %s\n') % path) |
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608 ui.traceback() |
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609 return |
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610 for c in aliases: |
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611 if c.startswith(cmd): |
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612 cmd = c |
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613 break |
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614 else: |
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615 cmd = aliases[0] |
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616 return (cmd, name, mod) |
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617 |
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618 ext = None |
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619 # first, search for an extension with the same name as the command |
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620 path = paths.pop(cmd, None) |
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621 if path: |
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622 ext = findcmd(cmd, cmd, path) |
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623 if not ext: |
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624 # otherwise, interrogate each extension until there's a match |
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625 for name, path in paths.iteritems(): |
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626 ext = findcmd(cmd, name, path) |
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627 if ext: |
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628 break |
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629 if ext and 'DEPRECATED' not in ext.__doc__: |
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630 return ext |
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631 |
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632 raise error.UnknownCommand(cmd) |
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633 |
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634 def enabled(shortname=True): |
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635 '''return a dict of {name: desc} of extensions''' |
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636 exts = {} |
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637 for ename, ext in extensions(): |
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638 doc = (gettext(ext.__doc__) or _('(no help text available)')) |
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639 if shortname: |
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640 ename = ename.split('.')[-1] |
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641 exts[ename] = doc.splitlines()[0].strip() |
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642 |
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643 return exts |
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644 |
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645 def notloaded(): |
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646 '''return short names of extensions that failed to load''' |
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647 return [name for name, mod in _extensions.iteritems() if mod is None] |
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648 |
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649 def moduleversion(module): |
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650 '''return version information from given module as a string''' |
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651 if (util.safehasattr(module, 'getversion') |
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652 and callable(module.getversion)): |
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653 version = module.getversion() |
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654 elif util.safehasattr(module, '__version__'): |
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655 version = module.__version__ |
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656 else: |
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|
657 version = '' |
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658 if isinstance(version, (list, tuple)): |
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659 version = '.'.join(str(o) for o in version) |
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660 return version |
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liscju <piotr.listkiewicz@gmail.com>
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|
661 |
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|
662 def ismoduleinternal(module): |
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|
663 exttestedwith = getattr(module, 'testedwith', None) |
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extensions: change magic "shipped with hg" string
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parents:
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diff
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|
664 return exttestedwith == "ships-with-hg-core" |