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annotate hgsubversion/compathacks.py @ 1599:7bb6562feb85

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compathacks: drop branchset() which is compat code for hg<2.9
author Pulkit Goyal <pulkit@yandex-team.ru>
date Tue, 27 Nov 2018 14:08:11 +0300
parents 51e105c7f0c6
children 5d8603f080c5
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>
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1 """Functions to work around API changes."""
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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 util
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7
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8 def pickle_load(f):
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9 import cPickle as pickle
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10 f.seek(0)
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11 return pickle.load(f)
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12
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13 def makememfilectx(repo, memctx, path, data, islink, isexec, copied):
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14 """Return a memfilectx
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15
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16 Works around API change by 8a0cac20a1ad (first in 4.5).
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17 """
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18 from mercurial import context
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19 try:
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20 return context.memfilectx(repo=repo, path=path, data=data,
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21 islink=islink, isexec=isexec, copied=copied,
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22 changectx=memctx)
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23 except TypeError:
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24 return context.memfilectx(repo=repo, path=path, data=data,
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25 islink=islink, isexec=isexec, copied=copied)
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26
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27 def filectxfn_deleted(memctx, path):
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28 """
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29 Return None or raise an IOError as necessary if path is deleted.
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30
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31 Call as:
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32
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33 if path_missing:
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34 return compathacks.filectxfn_deleted(memctx, path)
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35
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36 Works around filectxfn's contract changing between 3.1 and 3.2: 3.2 onwards,
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37 for deleted files, filectxfn should return None rather than returning
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38 IOError.
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39 """
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40 if getattr(memctx, '_returnnoneformissingfiles', False):
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41 return None
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42 raise IOError(errno.ENOENT, '%s is deleted' % path)
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43
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44 def filectxfn_deleted_reraise(memctx):
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45 """
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46 Return None or reraise exc as necessary.
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47
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48 Call as:
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49
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50 try:
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51 # code that raises IOError if the path is missing
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52 except IOError:
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53 return compathacks.filectxfn_deleted_reraise(memctx)
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54
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55 Works around filectxfn's contract changing between 3.1 and 3.2: 3.2 onwards,
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56 for deleted files, filectxfn should return None rather than returning
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57 IOError.
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58 """
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59 exc_info = sys.exc_info()
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60 if (exc_info[1].errno == errno.ENOENT and
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61 getattr(memctx, '_returnnoneformissingfiles', False)):
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62 return None
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63 # preserve traceback info
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64 raise exc_info[0], exc_info[1], exc_info[2]
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65
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66 # copied from hg 3.8
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67 class _funcregistrarbase(object):
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68 """Base of decorator to register a fuction for specific purpose
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69
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70 This decorator stores decorated functions into own dict 'table'.
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71
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72 The least derived class can be defined by overriding 'formatdoc',
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73 for example::
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74
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75 class keyword(_funcregistrarbase):
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76 _docformat = ":%s: %s"
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77
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78 This should be used as below:
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79
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80 keyword = registrar.keyword()
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81
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82 @keyword('bar')
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83 def barfunc(*args, **kwargs):
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84 '''Explanation of bar keyword ....
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85 '''
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86 pass
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87
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88 In this case:
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89
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90 - 'barfunc' is stored as 'bar' in '_table' of an instance 'keyword' above
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91 - 'barfunc.__doc__' becomes ":bar: Explanation of bar keyword"
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92 """
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93 def __init__(self, table=None):
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94 if table is None:
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95 self._table = {}
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96 else:
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97 self._table = table
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98
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99 def __call__(self, decl, *args, **kwargs):
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100 return lambda func: self._doregister(func, decl, *args, **kwargs)
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101
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102 def _doregister(self, func, decl, *args, **kwargs):
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103 name = self._getname(decl)
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104
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105 if func.__doc__ and not util.safehasattr(func, '_origdoc'):
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106 doc = func.__doc__.strip()
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107 func._origdoc = doc
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108 func.__doc__ = self._formatdoc(decl, doc)
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109
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110 self._table[name] = func
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111 self._extrasetup(name, func, *args, **kwargs)
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112
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113 return func
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114
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115 def _parsefuncdecl(self, decl):
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116 """Parse function declaration and return the name of function in it
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117 """
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118 i = decl.find('(')
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119 if i >= 0:
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120 return decl[:i]
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121 else:
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122 return decl
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123
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124 def _getname(self, decl):
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125 """Return the name of the registered function from decl
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126
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127 Derived class should override this, if it allows more
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128 descriptive 'decl' string than just a name.
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129 """
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130 return decl
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131
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132 _docformat = None
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133
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134 def _formatdoc(self, decl, doc):
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135 """Return formatted document of the registered function for help
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136
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137 'doc' is '__doc__.strip()' of the registered function.
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138 """
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139 return self._docformat % (decl, doc)
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140
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141 def _extrasetup(self, name, func):
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142 """Execute exra setup for registered function, if needed
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143 """
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144 pass
1572
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145
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146 try:
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147 binary = util.binary
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148 except AttributeError:
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149 from mercurial.utils import stringutil
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150 binary = stringutil.binary
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151
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152 try:
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153 datestr = util.datestr
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154 except AttributeError:
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155 from mercurial.utils import dateutil
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156 datestr = dateutil.datestr