annotate mercurial/templateutil.py @ 37222:54355c243042

templatefilters: allow declaration of input data type Currently filters take an unwrapped value, which should have no hybrid magic but actually it does because stringify() relies on it. The 'intype' allows us to pre-process the magic by .e.g. evalstring() keeping filter functions as simple as they are now. stringify() is ported as an example. More follow.
author Yuya Nishihara <yuya@tcha.org>
date Sun, 18 Mar 2018 15:14:58 +0900
parents 0fb28899e81a
children 67efce231633
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1 # templateutil.py - utility for template evaluation
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2 #
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3 # Copyright 2005, 2006 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
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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 types
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11
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12 from .i18n import _
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13 from . import (
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14 error,
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15 pycompat,
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16 util,
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17 )
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18 from .utils import (
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19 stringutil,
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20 )
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21
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22 class ResourceUnavailable(error.Abort):
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23 pass
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24
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25 class TemplateNotFound(error.Abort):
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26 pass
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27
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28 class hybrid(object):
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29 """Wrapper for list or dict to support legacy template
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30
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31 This class allows us to handle both:
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32 - "{files}" (legacy command-line-specific list hack) and
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33 - "{files % '{file}\n'}" (hgweb-style with inlining and function support)
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34 and to access raw values:
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35 - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}"
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36 - "{get(extras, key)}"
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37 - "{files|json}"
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38 """
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39
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40 def __init__(self, gen, values, makemap, joinfmt, keytype=None):
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41 if gen is not None:
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42 self.gen = gen # generator or function returning generator
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43 self._values = values
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44 self._makemap = makemap
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45 self.joinfmt = joinfmt
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46 self.keytype = keytype # hint for 'x in y' where type(x) is unresolved
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47 def gen(self):
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48 """Default generator to stringify this as {join(self, ' ')}"""
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49 for i, x in enumerate(self._values):
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50 if i > 0:
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51 yield ' '
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52 yield self.joinfmt(x)
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53 def itermaps(self):
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54 makemap = self._makemap
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55 for x in self._values:
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56 yield makemap(x)
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57 def __contains__(self, x):
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58 return x in self._values
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59 def __getitem__(self, key):
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60 return self._values[key]
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61 def __len__(self):
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62 return len(self._values)
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63 def __iter__(self):
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64 return iter(self._values)
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65 def __getattr__(self, name):
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66 if name not in (r'get', r'items', r'iteritems', r'iterkeys',
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67 r'itervalues', r'keys', r'values'):
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68 raise AttributeError(name)
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69 return getattr(self._values, name)
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70
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71 class mappable(object):
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72 """Wrapper for non-list/dict object to support map operation
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73
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74 This class allows us to handle both:
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75 - "{manifest}"
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76 - "{manifest % '{rev}:{node}'}"
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77 - "{manifest.rev}"
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78
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79 Unlike a hybrid, this does not simulate the behavior of the underling
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80 value. Use unwrapvalue(), unwrapastype(), or unwraphybrid() to obtain
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81 the inner object.
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82 """
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83
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84 def __init__(self, gen, key, value, makemap):
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85 if gen is not None:
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86 self.gen = gen # generator or function returning generator
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87 self._key = key
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88 self._value = value # may be generator of strings
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89 self._makemap = makemap
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90
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91 def gen(self):
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92 yield pycompat.bytestr(self._value)
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93
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94 def tomap(self):
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95 return self._makemap(self._key)
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96
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97 def itermaps(self):
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98 yield self.tomap()
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99
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100 def hybriddict(data, key='key', value='value', fmt=None, gen=None):
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101 """Wrap data to support both dict-like and string-like operations"""
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102 prefmt = pycompat.identity
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103 if fmt is None:
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104 fmt = '%s=%s'
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105 prefmt = pycompat.bytestr
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106 return hybrid(gen, data, lambda k: {key: k, value: data[k]},
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107 lambda k: fmt % (prefmt(k), prefmt(data[k])))
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108
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109 def hybridlist(data, name, fmt=None, gen=None):
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110 """Wrap data to support both list-like and string-like operations"""
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111 prefmt = pycompat.identity
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112 if fmt is None:
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113 fmt = '%s'
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114 prefmt = pycompat.bytestr
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115 return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x))
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116
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117 def unwraphybrid(thing):
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118 """Return an object which can be stringified possibly by using a legacy
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119 template"""
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120 gen = getattr(thing, 'gen', None)
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121 if gen is None:
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122 return thing
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123 if callable(gen):
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124 return gen()
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125 return gen
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126
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127 def unwrapvalue(thing):
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128 """Move the inner value object out of the wrapper"""
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129 if not util.safehasattr(thing, '_value'):
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130 return thing
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131 return thing._value
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132
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133 def wraphybridvalue(container, key, value):
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134 """Wrap an element of hybrid container to be mappable
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135
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136 The key is passed to the makemap function of the given container, which
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137 should be an item generated by iter(container).
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138 """
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139 makemap = getattr(container, '_makemap', None)
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140 if makemap is None:
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141 return value
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142 if util.safehasattr(value, '_makemap'):
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143 # a nested hybrid list/dict, which has its own way of map operation
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144 return value
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145 return mappable(None, key, value, makemap)
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146
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147 def compatdict(context, mapping, name, data, key='key', value='value',
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148 fmt=None, plural=None, separator=' '):
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149 """Wrap data like hybriddict(), but also supports old-style list template
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150
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151 This exists for backward compatibility with the old-style template. Use
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152 hybriddict() for new template keywords.
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153 """
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154 c = [{key: k, value: v} for k, v in data.iteritems()]
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155 f = _showcompatlist(context, mapping, name, c, plural, separator)
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156 return hybriddict(data, key=key, value=value, fmt=fmt, gen=f)
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157
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158 def compatlist(context, mapping, name, data, element=None, fmt=None,
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159 plural=None, separator=' '):
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160 """Wrap data like hybridlist(), but also supports old-style list template
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161
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162 This exists for backward compatibility with the old-style template. Use
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163 hybridlist() for new template keywords.
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164 """
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165 f = _showcompatlist(context, mapping, name, data, plural, separator)
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166 return hybridlist(data, name=element or name, fmt=fmt, gen=f)
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167
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168 def _showcompatlist(context, mapping, name, values, plural=None, separator=' '):
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169 """Return a generator that renders old-style list template
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170
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171 name is name of key in template map.
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172 values is list of strings or dicts.
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173 plural is plural of name, if not simply name + 's'.
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174 separator is used to join values as a string
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175
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176 expansion works like this, given name 'foo'.
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177
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178 if values is empty, expand 'no_foos'.
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179
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180 if 'foo' not in template map, return values as a string,
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181 joined by 'separator'.
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182
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183 expand 'start_foos'.
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184
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185 for each value, expand 'foo'. if 'last_foo' in template
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186 map, expand it instead of 'foo' for last key.
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187
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188 expand 'end_foos'.
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189 """
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190 if not plural:
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191 plural = name + 's'
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192 if not values:
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193 noname = 'no_' + plural
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194 if context.preload(noname):
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195 yield context.process(noname, mapping)
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196 return
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197 if not context.preload(name):
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198 if isinstance(values[0], bytes):
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199 yield separator.join(values)
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200 else:
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201 for v in values:
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202 r = dict(v)
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203 r.update(mapping)
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204 yield r
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205 return
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206 startname = 'start_' + plural
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207 if context.preload(startname):
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208 yield context.process(startname, mapping)
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diff changeset
209 def one(v, tag=name):
37074
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210 vmapping = {}
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211 try:
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212 vmapping.update(v)
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213 # Python 2 raises ValueError if the type of v is wrong. Python
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214 # 3 raises TypeError.
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215 except (AttributeError, TypeError, ValueError):
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diff changeset
216 try:
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217 # Python 2 raises ValueError trying to destructure an e.g.
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218 # bytes. Python 3 raises TypeError.
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diff changeset
219 for a, b in v:
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diff changeset
220 vmapping[a] = b
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diff changeset
221 except (TypeError, ValueError):
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222 vmapping[name] = v
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diff changeset
223 vmapping = context.overlaymap(mapping, vmapping)
37068
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224 return context.process(tag, vmapping)
36921
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diff changeset
225 lastname = 'last_' + name
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226 if context.preload(lastname):
36921
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diff changeset
227 last = values.pop()
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228 else:
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229 last = None
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230 for v in values:
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diff changeset
231 yield one(v)
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diff changeset
232 if last is not None:
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233 yield one(last, tag=lastname)
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diff changeset
234 endname = 'end_' + plural
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diff changeset
235 if context.preload(endname):
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diff changeset
236 yield context.process(endname, mapping)
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237
37157
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238 def flatten(thing):
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239 """Yield a single stream from a possibly nested set of iterators"""
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240 thing = unwraphybrid(thing)
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diff changeset
241 if isinstance(thing, bytes):
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diff changeset
242 yield thing
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diff changeset
243 elif isinstance(thing, str):
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diff changeset
244 # We can only hit this on Python 3, and it's here to guard
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diff changeset
245 # against infinite recursion.
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diff changeset
246 raise error.ProgrammingError('Mercurial IO including templates is done'
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diff changeset
247 ' with bytes, not strings, got %r' % thing)
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diff changeset
248 elif thing is None:
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249 pass
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250 elif not util.safehasattr(thing, '__iter__'):
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diff changeset
251 yield pycompat.bytestr(thing)
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diff changeset
252 else:
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diff changeset
253 for i in thing:
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diff changeset
254 i = unwraphybrid(i)
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diff changeset
255 if isinstance(i, bytes):
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256 yield i
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257 elif i is None:
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258 pass
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
259 elif not util.safehasattr(i, '__iter__'):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
260 yield pycompat.bytestr(i)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
261 else:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
262 for j in flatten(i):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
263 yield j
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
264
36920
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36913
diff changeset
265 def stringify(thing):
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36913
diff changeset
266 """Turn values into bytes by converting into text and concatenating them"""
37158
e09d2183e226 templateutil: reimplement stringify() using flatten()
Yuya Nishihara <yuya@tcha.org>
parents: 37157
diff changeset
267 if isinstance(thing, bytes):
e09d2183e226 templateutil: reimplement stringify() using flatten()
Yuya Nishihara <yuya@tcha.org>
parents: 37157
diff changeset
268 return thing # retain localstr to be round-tripped
e09d2183e226 templateutil: reimplement stringify() using flatten()
Yuya Nishihara <yuya@tcha.org>
parents: 37157
diff changeset
269 return b''.join(flatten(thing))
36920
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36913
diff changeset
270
31927
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
271 def findsymbolicname(arg):
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
272 """Find symbolic name for the given compiled expression; returns None
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
273 if nothing found reliably"""
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
274 while True:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
275 func, data = arg
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
276 if func is runsymbol:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
277 return data
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
278 elif func is runfilter:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
279 arg = data[0]
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
280 else:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
281 return None
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
282
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
283 def evalrawexp(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
284 """Evaluate given argument as a bare template object which may require
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
285 further processing (such as folding generator of strings)"""
26124
604a7c941103 templater: extract helper that evaluates filter or function argument
Yuya Nishihara <yuya@tcha.org>
parents: 26106
diff changeset
286 func, data = arg
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
287 return func(context, mapping, data)
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
288
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
289 def evalfuncarg(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
290 """Evaluate given argument as value type"""
37161
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37160
diff changeset
291 return _unwrapvalue(evalrawexp(context, mapping, arg))
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37160
diff changeset
292
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37160
diff changeset
293 # TODO: unify this with unwrapvalue() once the bug of templatefunc.join()
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37160
diff changeset
294 # is fixed. we can't do that right now because join() has to take a generator
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37160
diff changeset
295 # of byte strings as it is, not a lazy byte string.
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37160
diff changeset
296 def _unwrapvalue(thing):
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
297 thing = unwrapvalue(thing)
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
298 # evalrawexp() may return string, generator of strings or arbitrary object
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
299 # such as date tuple, but filter does not want generator.
26124
604a7c941103 templater: extract helper that evaluates filter or function argument
Yuya Nishihara <yuya@tcha.org>
parents: 26106
diff changeset
300 if isinstance(thing, types.GeneratorType):
604a7c941103 templater: extract helper that evaluates filter or function argument
Yuya Nishihara <yuya@tcha.org>
parents: 26106
diff changeset
301 thing = stringify(thing)
604a7c941103 templater: extract helper that evaluates filter or function argument
Yuya Nishihara <yuya@tcha.org>
parents: 26106
diff changeset
302 return thing
604a7c941103 templater: extract helper that evaluates filter or function argument
Yuya Nishihara <yuya@tcha.org>
parents: 26106
diff changeset
303
29816
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
304 def evalboolean(context, mapping, arg):
29817
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
305 """Evaluate given argument as boolean, but also takes boolean literals"""
29816
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
306 func, data = arg
29817
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
307 if func is runsymbol:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
308 thing = func(context, mapping, data, default=None)
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
309 if thing is None:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
310 # not a template keyword, takes as a boolean literal
37084
f0b6fbea00cf stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 37074
diff changeset
311 thing = stringutil.parsebool(data)
29817
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
312 else:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
313 thing = func(context, mapping, data)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
314 thing = unwrapvalue(thing)
29816
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
315 if isinstance(thing, bool):
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
316 return thing
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
317 # other objects are evaluated as strings, which means 0 is True, but
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
318 # empty dict/list should be False as they are expected to be ''
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
319 return bool(stringify(thing))
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
320
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
321 def evalinteger(context, mapping, arg, err=None):
37162
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37161
diff changeset
322 return unwrapinteger(evalrawexp(context, mapping, arg), err)
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37161
diff changeset
323
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37161
diff changeset
324 def unwrapinteger(thing, err=None):
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37161
diff changeset
325 thing = _unwrapvalue(thing)
28343
a6c2310b3827 templater: factor out function that evaluates argument as integer
Yuya Nishihara <yuya@tcha.org>
parents: 28334
diff changeset
326 try:
37162
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37161
diff changeset
327 return int(thing)
28344
ac371d4c007f templater: drop redundant type conversion when evaluating integer argument
Yuya Nishihara <yuya@tcha.org>
parents: 28343
diff changeset
328 except (TypeError, ValueError):
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
329 raise error.ParseError(err or _('not an integer'))
28343
a6c2310b3827 templater: factor out function that evaluates argument as integer
Yuya Nishihara <yuya@tcha.org>
parents: 28334
diff changeset
330
28348
ccedb17a5657 templater: factor out thin helper that evaluates argument as string
Yuya Nishihara <yuya@tcha.org>
parents: 28346
diff changeset
331 def evalstring(context, mapping, arg):
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
332 return stringify(evalrawexp(context, mapping, arg))
28348
ccedb17a5657 templater: factor out thin helper that evaluates argument as string
Yuya Nishihara <yuya@tcha.org>
parents: 28346
diff changeset
333
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
334 def evalstringliteral(context, mapping, arg):
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
335 """Evaluate given argument as string template, but returns symbol name
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
336 if it is unknown"""
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
337 func, data = arg
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
338 if func is runsymbol:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
339 thing = func(context, mapping, data, default=data)
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
340 else:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
341 thing = func(context, mapping, data)
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
342 return stringify(thing)
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
343
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
344 _unwrapfuncbytype = {
37222
54355c243042 templatefilters: allow declaration of input data type
Yuya Nishihara <yuya@tcha.org>
parents: 37163
diff changeset
345 None: _unwrapvalue,
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
346 bytes: stringify,
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
347 int: unwrapinteger,
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
348 }
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
349
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
350 def unwrapastype(thing, typ):
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
351 """Move the inner value object out of the wrapper and coerce its type"""
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
352 try:
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
353 f = _unwrapfuncbytype[typ]
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
354 except KeyError:
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
355 raise error.ProgrammingError('invalid type specified: %r' % typ)
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
356 return f(thing)
34581
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
357
25002
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
358 def runinteger(context, mapping, data):
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
359 return int(data)
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
360
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
361 def runstring(context, mapping, data):
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
362 return data
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
363
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
364 def _recursivesymbolblocker(key):
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
365 def showrecursion(**args):
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
366 raise error.Abort(_("recursive reference '%s' in template") % key)
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
367 return showrecursion
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
368
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
369 def runsymbol(context, mapping, key, default=''):
35467
d6cfa722b044 templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents: 35414
diff changeset
370 v = context.symbol(mapping, key)
19770
0361163efbaf templater: support using templates with non-standard names from map file
Alexander Plavin <alexander@plav.in>
parents: 19390
diff changeset
371 if v is None:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
372 # put poison to cut recursion. we can't move this to parsing phase
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
373 # because "x = {x}" is allowed if "x" is a keyword. (issue4758)
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
374 safemapping = mapping.copy()
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
375 safemapping[key] = _recursivesymbolblocker(key)
19770
0361163efbaf templater: support using templates with non-standard names from map file
Alexander Plavin <alexander@plav.in>
parents: 19390
diff changeset
376 try:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
377 v = context.process(key, safemapping)
19770
0361163efbaf templater: support using templates with non-standard names from map file
Alexander Plavin <alexander@plav.in>
parents: 19390
diff changeset
378 except TemplateNotFound:
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
379 v = default
36445
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
380 if callable(v) and getattr(v, '_requires', None) is None:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
381 # old templatekw: expand all keywords and resources
37070
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37068
diff changeset
382 # (TODO: deprecate this after porting web template keywords to new API)
37073
44757e6dad93 templater: introduce resourcemapper class
Yuya Nishihara <yuya@tcha.org>
parents: 37070
diff changeset
383 props = {k: context._resources.lookup(context, mapping, k)
44757e6dad93 templater: introduce resourcemapper class
Yuya Nishihara <yuya@tcha.org>
parents: 37070
diff changeset
384 for k in context._resources.knownkeys()}
37070
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37068
diff changeset
385 # pass context to _showcompatlist() through templatekw._showlist()
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37068
diff changeset
386 props['templ'] = context
35468
32c278eb876f templater: keep default resources per template engine (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35467
diff changeset
387 props.update(mapping)
35588
dadbf213a765 py3: convert dict keys' to str before passing as kwargs
Pulkit Goyal <7895pulkit@gmail.com>
parents: 35481
diff changeset
388 return v(**pycompat.strkwargs(props))
36445
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
389 if callable(v):
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
390 # new templatekw
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
391 try:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
392 return v(context, mapping)
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
393 except ResourceUnavailable:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
394 # unsupported keyword is mapped to empty just like unknown keyword
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
395 return None
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
396 return v
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
397
25595
a7dd6692e5cb templater: move runtemplate function out of buildmap/runmap pair
Yuya Nishihara <yuya@tcha.org>
parents: 25580
diff changeset
398 def runtemplate(context, mapping, template):
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
399 for arg in template:
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
400 yield evalrawexp(context, mapping, arg)
25595
a7dd6692e5cb templater: move runtemplate function out of buildmap/runmap pair
Yuya Nishihara <yuya@tcha.org>
parents: 25580
diff changeset
401
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
402 def runfilter(context, mapping, data):
26125
c990afab2243 templater: drop unneeded destructuring of argument tuple at buildfilter
Yuya Nishihara <yuya@tcha.org>
parents: 26124
diff changeset
403 arg, filt = data
37222
54355c243042 templatefilters: allow declaration of input data type
Yuya Nishihara <yuya@tcha.org>
parents: 37163
diff changeset
404 thing = evalrawexp(context, mapping, arg)
17383
099c778ceb33 templater: abort when a template filter raises an exception (issue2987)
Neil Kodner <neilk@fb.com>
parents: 17334
diff changeset
405 try:
37222
54355c243042 templatefilters: allow declaration of input data type
Yuya Nishihara <yuya@tcha.org>
parents: 37163
diff changeset
406 thing = unwrapastype(thing, getattr(filt, '_intype', None))
24280
6c55e37ba5f2 templater: allow piping generator-type function output to filters
Yuya Nishihara <yuya@tcha.org>
parents: 24240
diff changeset
407 return filt(thing)
17383
099c778ceb33 templater: abort when a template filter raises an exception (issue2987)
Neil Kodner <neilk@fb.com>
parents: 17334
diff changeset
408 except (ValueError, AttributeError, TypeError):
31927
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
409 sym = findsymbolicname(arg)
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
410 if sym:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
411 msg = (_("template filter '%s' is not compatible with keyword '%s'")
34838
d3ea6a1c798f templater: use pycompat.sysbytes to bytes-ify some __name__ attrs
Augie Fackler <augie@google.com>
parents: 34808
diff changeset
412 % (pycompat.sysbytes(filt.__name__), sym))
17383
099c778ceb33 templater: abort when a template filter raises an exception (issue2987)
Neil Kodner <neilk@fb.com>
parents: 17334
diff changeset
413 else:
34838
d3ea6a1c798f templater: use pycompat.sysbytes to bytes-ify some __name__ attrs
Augie Fackler <augie@google.com>
parents: 34808
diff changeset
414 msg = (_("incompatible use of template filter '%s'")
d3ea6a1c798f templater: use pycompat.sysbytes to bytes-ify some __name__ attrs
Augie Fackler <augie@google.com>
parents: 34808
diff changeset
415 % pycompat.sysbytes(filt.__name__))
31927
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
416 raise error.Abort(msg)
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
417
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
418 def runmap(context, mapping, data):
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
419 darg, targ = data
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
420 d = evalrawexp(context, mapping, darg)
27891
ac8c0ee5c3b8 templater: make _hybrid not callable to avoid conflicting semantics
Yuya Nishihara <yuya@tcha.org>
parents: 27637
diff changeset
421 if util.safehasattr(d, 'itermaps'):
28349
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
422 diter = d.itermaps()
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
423 else:
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
424 try:
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
425 diter = iter(d)
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
426 except TypeError:
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
427 sym = findsymbolicname(darg)
34324
e473f482b9b3 templater: use helper function to get name of non-iterable keyword
Yuya Nishihara <yuya@tcha.org>
parents: 34287
diff changeset
428 if sym:
e473f482b9b3 templater: use helper function to get name of non-iterable keyword
Yuya Nishihara <yuya@tcha.org>
parents: 34287
diff changeset
429 raise error.ParseError(_("keyword '%s' is not iterable") % sym)
28349
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
430 else:
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
431 raise error.ParseError(_("%r is not iterable") % d)
17631
0b241d7a8c62 templating: make new-style templating features work with command line lists
Matt Mackall <mpm@selenic.com>
parents: 17383
diff changeset
432
31807
e6eb86b154c5 templater: provide loop counter as "index" keyword
Yuya Nishihara <yuya@tcha.org>
parents: 31806
diff changeset
433 for i, v in enumerate(diter):
31806
8f203b491bb5 templater: rename variable "i" to "v" in runmap()
Yuya Nishihara <yuya@tcha.org>
parents: 31521
diff changeset
434 if isinstance(v, dict):
37074
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
435 lm = context.overlaymap(mapping, v)
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
436 lm['index'] = i
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
437 yield evalrawexp(context, lm, targ)
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
438 else:
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
439 # v is not an iterable of dicts, this happen when 'key'
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
440 # has been fully expanded already and format is useless.
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
441 # If so, return the expanded value.
31806
8f203b491bb5 templater: rename variable "i" to "v" in runmap()
Yuya Nishihara <yuya@tcha.org>
parents: 31521
diff changeset
442 yield v
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
443
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
444 def runmember(context, mapping, data):
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
445 darg, memb = data
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
446 d = evalrawexp(context, mapping, darg)
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
447 if util.safehasattr(d, 'tomap'):
37074
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
448 lm = context.overlaymap(mapping, d.tomap())
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
449 return runsymbol(context, lm, memb)
34536
4c1cfe54c08d templater: extend dot operator as a short for get(dict, key)
Yuya Nishihara <yuya@tcha.org>
parents: 34535
diff changeset
450 if util.safehasattr(d, 'get'):
36913
da2977e674a3 templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36912
diff changeset
451 return getdictitem(d, memb)
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
452
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
453 sym = findsymbolicname(darg)
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
454 if sym:
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
455 raise error.ParseError(_("keyword '%s' has no member") % sym)
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
456 else:
36545
ab7f86a748e6 py3: drop b'' from error message generated by templater.runmember()
Yuya Nishihara <yuya@tcha.org>
parents: 36544
diff changeset
457 raise error.ParseError(_("%r has no member") % pycompat.bytestr(d))
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
458
30115
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
459 def runnegate(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
460 data = evalinteger(context, mapping, data,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
461 _('negation needs an integer argument'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
462 return -data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
463
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
464 def runarithmetic(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
465 func, left, right = data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
466 left = evalinteger(context, mapping, left,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
467 _('arithmetic only defined on integers'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
468 right = evalinteger(context, mapping, right,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
469 _('arithmetic only defined on integers'))
30116
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
470 try:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
471 return func(left, right)
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
472 except ZeroDivisionError:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
473 raise error.Abort(_('division by zero is not defined'))
30115
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
474
36913
da2977e674a3 templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36912
diff changeset
475 def getdictitem(dictarg, key):
34534
b3073e175c17 templater: wrap get/min/max result so map operation can apply to element
Yuya Nishihara <yuya@tcha.org>
parents: 34458
diff changeset
476 val = dictarg.get(key)
b3073e175c17 templater: wrap get/min/max result so map operation can apply to element
Yuya Nishihara <yuya@tcha.org>
parents: 34458
diff changeset
477 if val is None:
b3073e175c17 templater: wrap get/min/max result so map operation can apply to element
Yuya Nishihara <yuya@tcha.org>
parents: 34458
diff changeset
478 return
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
479 return wraphybridvalue(dictarg, key, val)