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annotate hgsubversion/compathacks.py @ 1601:5d8603f080c5

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compathacks: add compat code for ui.makeprogress() deprecation ui.makeprogress() is deprecated and will be dropped in 5.1. This patch adds compat code for that. The compat code is plain copy of compat code available in evolve extension.
author Pulkit Goyal <pulkit@yandex-team.ru>
date Mon, 04 Feb 2019 20:56:39 +0300
parents 7bb6562feb85
children 6a6ce9d9da35
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1139
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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 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 """
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30 from mercurial import context
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31 try:
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32 return context.memfilectx(repo=repo, path=path, data=data,
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33 islink=islink, isexec=isexec, copied=copied,
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34 changectx=memctx)
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35 except TypeError:
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36 return context.memfilectx(repo=repo, path=path, data=data,
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37 islink=islink, isexec=isexec, copied=copied)
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38
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39 def filectxfn_deleted(memctx, path):
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40 """
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41 Return None or raise an IOError as necessary if path is deleted.
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42
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43 Call as:
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44
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45 if path_missing:
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46 return compathacks.filectxfn_deleted(memctx, path)
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47
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48 Works around filectxfn's contract changing between 3.1 and 3.2: 3.2 onwards,
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49 for deleted files, filectxfn should return None rather than returning
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50 IOError.
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51 """
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52 if getattr(memctx, '_returnnoneformissingfiles', False):
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53 return None
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54 raise IOError(errno.ENOENT, '%s is deleted' % path)
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55
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56 def filectxfn_deleted_reraise(memctx):
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57 """
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58 Return None or reraise exc as necessary.
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59
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60 Call as:
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61
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62 try:
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63 # code that raises IOError if the path is missing
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64 except IOError:
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65 return compathacks.filectxfn_deleted_reraise(memctx)
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66
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67 Works around filectxfn's contract changing between 3.1 and 3.2: 3.2 onwards,
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68 for deleted files, filectxfn should return None rather than returning
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69 IOError.
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70 """
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71 exc_info = sys.exc_info()
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72 if (exc_info[1].errno == errno.ENOENT and
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73 getattr(memctx, '_returnnoneformissingfiles', False)):
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74 return None
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75 # preserve traceback info
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76 raise exc_info[0], exc_info[1], exc_info[2]
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77
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78 # copied from hg 3.8
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79 class _funcregistrarbase(object):
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80 """Base of decorator to register a fuction for specific purpose
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81
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82 This decorator stores decorated functions into own dict 'table'.
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83
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84 The least derived class can be defined by overriding 'formatdoc',
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85 for example::
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86
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87 class keyword(_funcregistrarbase):
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88 _docformat = ":%s: %s"
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89
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90 This should be used as below:
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91
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92 keyword = registrar.keyword()
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93
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94 @keyword('bar')
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95 def barfunc(*args, **kwargs):
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96 '''Explanation of bar keyword ....
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97 '''
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98 pass
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99
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100 In this case:
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101
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102 - 'barfunc' is stored as 'bar' in '_table' of an instance 'keyword' above
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103 - 'barfunc.__doc__' becomes ":bar: Explanation of bar keyword"
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104 """
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105 def __init__(self, table=None):
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106 if table is None:
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107 self._table = {}
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108 else:
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109 self._table = table
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110
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111 def __call__(self, decl, *args, **kwargs):
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112 return lambda func: self._doregister(func, decl, *args, **kwargs)
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113
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114 def _doregister(self, func, decl, *args, **kwargs):
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115 name = self._getname(decl)
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116
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117 if func.__doc__ and not util.safehasattr(func, '_origdoc'):
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118 doc = func.__doc__.strip()
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119 func._origdoc = doc
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120 func.__doc__ = self._formatdoc(decl, doc)
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121
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122 self._table[name] = func
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123 self._extrasetup(name, func, *args, **kwargs)
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124
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125 return func
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126
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127 def _parsefuncdecl(self, decl):
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128 """Parse function declaration and return the name of function in it
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129 """
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130 i = decl.find('(')
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131 if i >= 0:
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132 return decl[:i]
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133 else:
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134 return decl
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135
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136 def _getname(self, decl):
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137 """Return the name of the registered function from decl
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138
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139 Derived class should override this, if it allows more
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140 descriptive 'decl' string than just a name.
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141 """
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142 return decl
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143
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144 _docformat = None
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145
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146 def _formatdoc(self, decl, doc):
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147 """Return formatted document of the registered function for help
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148
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149 'doc' is '__doc__.strip()' of the registered function.
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150 """
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151 return self._docformat % (decl, doc)
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152
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153 def _extrasetup(self, name, func):
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154 """Execute exra setup for registered function, if needed
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155 """
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156 pass
1572
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157
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158 try:
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159 binary = util.binary
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160 except AttributeError:
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161 from mercurial.utils import stringutil
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162 binary = stringutil.binary
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163
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164 try:
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165 datestr = util.datestr
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166 except AttributeError:
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167 from mercurial.utils import dateutil
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168 datestr = dateutil.datestr