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compathacks: make memfilectx construction compatible with hg5.0 'copied' in memfilectx was renamed to 'copysource' in 550a172a603b9ed in core mercurial.
author Pulkit Goyal <pulkit@yandex-team.ru>
date Fri, 19 Apr 2019 16:28:39 +0300
parents 5d8603f080c5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1139
d1bd52202c6d compathacks: specify for generic compatibility hacks
Sean Farley <sean.michael.farley@gmail.com>
parents: 1138
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1 """Functions to work around API changes."""
1103
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Augie Fackler <raf@durin42.com>
parents:
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2
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3 import errno
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4 import sys
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5
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6 from mercurial import ui as uimod, util
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7
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8 # ui.makeprogress will be dropped after hg-5.1
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9 if util.safehasattr(uimod.ui, 'makeprogress'):
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10 def progress(ui, topic, pos, item="", unit="", total=None):
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11 progress = ui.makeprogress(topic, unit, total)
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12 if pos is not None:
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13 progress.update(pos, item=item)
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14 else:
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15 progress.complete()
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16 else:
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17 def progress(ui, topic, pos, item="", unit="", total=None):
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18 ui.progress(topic, pos, item="", unit="", total=None)
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19
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20 def pickle_load(f):
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21 import cPickle as pickle
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22 f.seek(0)
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23 return pickle.load(f)
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24
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25 def makememfilectx(repo, memctx, path, data, islink, isexec, copied):
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26 """Return a memfilectx
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27
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28 Works around API change by 8a0cac20a1ad (first in 4.5).
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29 and also API change by 550a172a603b9e (first in 5.0)
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30 """
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31 from mercurial import context
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32 try:
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33 return context.memfilectx(repo=repo, path=path, data=data,
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34 islink=islink, isexec=isexec, copied=copied,
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35 changectx=memctx)
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36 except TypeError:
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37 try:
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38 return context.memfilectx(repo=repo, path=path, data=data,
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39 islink=islink, isexec=isexec,
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parents: 1601
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40 copied=copied)
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parents: 1601
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41 except TypeError:
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parents: 1601
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42 return context.memfilectx(repo=repo, changectx=memctx,
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parents: 1601
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43 path=path, data=data,
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parents: 1601
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44 islink=islink, isexec=isexec,
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parents: 1601
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45 copysource=copied)
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46
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47 def filectxfn_deleted(memctx, path):
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48 """
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49 Return None or raise an IOError as necessary if path is deleted.
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50
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51 Call as:
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52
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53 if path_missing:
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54 return compathacks.filectxfn_deleted(memctx, path)
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55
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56 Works around filectxfn's contract changing between 3.1 and 3.2: 3.2 onwards,
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parents: 1228
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57 for deleted files, filectxfn should return None rather than returning
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58 IOError.
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59 """
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60 if getattr(memctx, '_returnnoneformissingfiles', False):
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61 return None
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62 raise IOError(errno.ENOENT, '%s is deleted' % path)
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63
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64 def filectxfn_deleted_reraise(memctx):
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65 """
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66 Return None or reraise exc as necessary.
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67
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68 Call as:
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69
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70 try:
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71 # code that raises IOError if the path is missing
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72 except IOError:
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73 return compathacks.filectxfn_deleted_reraise(memctx)
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74
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75 Works around filectxfn's contract changing between 3.1 and 3.2: 3.2 onwards,
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76 for deleted files, filectxfn should return None rather than returning
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77 IOError.
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78 """
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79 exc_info = sys.exc_info()
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80 if (exc_info[1].errno == errno.ENOENT and
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81 getattr(memctx, '_returnnoneformissingfiles', False)):
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82 return None
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83 # preserve traceback info
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84 raise exc_info[0], exc_info[1], exc_info[2]
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85
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86 # copied from hg 3.8
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87 class _funcregistrarbase(object):
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88 """Base of decorator to register a fuction for specific purpose
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89
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90 This decorator stores decorated functions into own dict 'table'.
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91
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92 The least derived class can be defined by overriding 'formatdoc',
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93 for example::
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94
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95 class keyword(_funcregistrarbase):
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96 _docformat = ":%s: %s"
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97
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98 This should be used as below:
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99
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100 keyword = registrar.keyword()
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101
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102 @keyword('bar')
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103 def barfunc(*args, **kwargs):
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104 '''Explanation of bar keyword ....
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105 '''
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106 pass
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107
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108 In this case:
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109
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110 - 'barfunc' is stored as 'bar' in '_table' of an instance 'keyword' above
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111 - 'barfunc.__doc__' becomes ":bar: Explanation of bar keyword"
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112 """
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113 def __init__(self, table=None):
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114 if table is None:
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115 self._table = {}
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116 else:
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117 self._table = table
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118
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119 def __call__(self, decl, *args, **kwargs):
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120 return lambda func: self._doregister(func, decl, *args, **kwargs)
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121
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122 def _doregister(self, func, decl, *args, **kwargs):
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123 name = self._getname(decl)
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124
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125 if func.__doc__ and not util.safehasattr(func, '_origdoc'):
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126 doc = func.__doc__.strip()
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127 func._origdoc = doc
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128 func.__doc__ = self._formatdoc(decl, doc)
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129
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130 self._table[name] = func
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131 self._extrasetup(name, func, *args, **kwargs)
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132
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133 return func
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134
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135 def _parsefuncdecl(self, decl):
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136 """Parse function declaration and return the name of function in it
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137 """
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138 i = decl.find('(')
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139 if i >= 0:
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140 return decl[:i]
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141 else:
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142 return decl
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143
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144 def _getname(self, decl):
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145 """Return the name of the registered function from decl
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146
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147 Derived class should override this, if it allows more
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148 descriptive 'decl' string than just a name.
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149 """
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150 return decl
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151
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152 _docformat = None
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153
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154 def _formatdoc(self, decl, doc):
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155 """Return formatted document of the registered function for help
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156
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157 'doc' is '__doc__.strip()' of the registered function.
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158 """
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159 return self._docformat % (decl, doc)
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160
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161 def _extrasetup(self, name, func):
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162 """Execute exra setup for registered function, if needed
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163 """
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164 pass
1572
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165
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166 try:
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167 binary = util.binary
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168 except AttributeError:
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169 from mercurial.utils import stringutil
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170 binary = stringutil.binary
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171
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172 try:
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173 datestr = util.datestr
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174 except AttributeError:
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175 from mercurial.utils import dateutil
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176 datestr = dateutil.datestr