annotate mercurial/templateutil.py @ 38226:7824783a6d5e

templater: add wrapped types for pure non-list/dict values These wrapper types will allow us to get rid of some isinstance() business. A bytes object needs to support sequence-like operations (e.g. join(), ifcontains(), etc.) That's why we have two wrapper classes. Tests will be added later.
author Yuya Nishihara <yuya@tcha.org>
date Tue, 20 Mar 2018 23:56:26 +0900
parents d48b80d58848
children 8bded7eae26c
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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 abc
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11 import types
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12
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13 from .i18n import _
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14 from . import (
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15 error,
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16 pycompat,
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17 util,
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18 )
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19 from .utils import (
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20 dateutil,
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21 stringutil,
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22 )
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23
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24 class ResourceUnavailable(error.Abort):
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25 pass
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26
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27 class TemplateNotFound(error.Abort):
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28 pass
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29
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30 class wrapped(object):
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31 """Object requiring extra conversion prior to displaying or processing
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32 as value
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33
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34 Use unwrapvalue(), unwrapastype(), or unwraphybrid() to obtain the inner
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35 object.
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36 """
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37
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38 __metaclass__ = abc.ABCMeta
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39
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40 @abc.abstractmethod
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41 def itermaps(self, context):
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42 """Yield each template mapping"""
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43
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44 @abc.abstractmethod
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45 def join(self, context, mapping, sep):
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46 """Join items with the separator; Returns a bytes or (possibly nested)
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47 generator of bytes
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48
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49 A pre-configured template may be rendered per item if this container
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50 holds unprintable items.
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51 """
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52
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53 @abc.abstractmethod
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54 def show(self, context, mapping):
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55 """Return a bytes or (possibly nested) generator of bytes representing
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56 the underlying object
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57
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58 A pre-configured template may be rendered if the underlying object is
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59 not printable.
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60 """
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61
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62 @abc.abstractmethod
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63 def tovalue(self, context, mapping):
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64 """Move the inner value object out or create a value representation
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65
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66 A returned value must be serializable by templaterfilters.json().
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67 """
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68
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69 class wrappedbytes(wrapped):
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70 """Wrapper for byte string"""
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71
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72 def __init__(self, value):
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73 self._value = value
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74
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75 def itermaps(self, context):
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76 raise error.ParseError(_('%r is not iterable of mappings')
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77 % pycompat.bytestr(self._value))
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78
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79 def join(self, context, mapping, sep):
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80 return joinitems(pycompat.iterbytestr(self._value), sep)
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81
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82 def show(self, context, mapping):
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83 return self._value
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84
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85 def tovalue(self, context, mapping):
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86 return self._value
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87
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88 class wrappedvalue(wrapped):
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89 """Generic wrapper for pure non-list/dict/bytes value"""
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90
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91 def __init__(self, value):
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92 self._value = value
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93
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94 def itermaps(self, context):
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95 raise error.ParseError(_('%r is not iterable of mappings')
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96 % self._value)
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97
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98 def join(self, context, mapping, sep):
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99 raise error.ParseError(_('%r is not iterable') % self._value)
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100
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101 def show(self, context, mapping):
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102 return pycompat.bytestr(self._value)
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103
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104 def tovalue(self, context, mapping):
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105 return self._value
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106
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107 # stub for representing a date type; may be a real date type that can
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108 # provide a readable string value
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109 class date(object):
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110 pass
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111
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112 class hybrid(wrapped):
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113 """Wrapper for list or dict to support legacy template
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114
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115 This class allows us to handle both:
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116 - "{files}" (legacy command-line-specific list hack) and
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117 - "{files % '{file}\n'}" (hgweb-style with inlining and function support)
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118 and to access raw values:
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119 - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}"
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120 - "{get(extras, key)}"
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121 - "{files|json}"
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122 """
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123
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124 def __init__(self, gen, values, makemap, joinfmt, keytype=None):
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125 self._gen = gen # generator or function returning generator
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126 self._values = values
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127 self._makemap = makemap
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128 self._joinfmt = joinfmt
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129 self.keytype = keytype # hint for 'x in y' where type(x) is unresolved
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130
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131 def itermaps(self, context):
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132 makemap = self._makemap
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133 for x in self._values:
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134 yield makemap(x)
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135
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136 def join(self, context, mapping, sep):
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137 # TODO: switch gen to (context, mapping) API?
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138 return joinitems((self._joinfmt(x) for x in self._values), sep)
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139
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140 def show(self, context, mapping):
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141 # TODO: switch gen to (context, mapping) API?
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142 gen = self._gen
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143 if gen is None:
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144 return self.join(context, mapping, ' ')
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145 if callable(gen):
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146 return gen()
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147 return gen
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148
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149 def tovalue(self, context, mapping):
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150 # TODO: return self._values and get rid of proxy methods
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151 return self
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152
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153 def __contains__(self, x):
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154 return x in self._values
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155 def __getitem__(self, key):
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156 return self._values[key]
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157 def __len__(self):
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158 return len(self._values)
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159 def __iter__(self):
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160 return iter(self._values)
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161 def __getattr__(self, name):
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162 if name not in (r'get', r'items', r'iteritems', r'iterkeys',
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163 r'itervalues', r'keys', r'values'):
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164 raise AttributeError(name)
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165 return getattr(self._values, name)
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166
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167 class mappable(wrapped):
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168 """Wrapper for non-list/dict object to support map operation
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169
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170 This class allows us to handle both:
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171 - "{manifest}"
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172 - "{manifest % '{rev}:{node}'}"
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173 - "{manifest.rev}"
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174
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175 Unlike a hybrid, this does not simulate the behavior of the underling
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176 value.
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177 """
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178
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179 def __init__(self, gen, key, value, makemap):
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180 self._gen = gen # generator or function returning generator
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181 self._key = key
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182 self._value = value # may be generator of strings
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183 self._makemap = makemap
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184
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185 def tomap(self):
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186 return self._makemap(self._key)
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187
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188 def itermaps(self, context):
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189 yield self.tomap()
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190
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191 def join(self, context, mapping, sep):
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192 # TODO: just copies the old behavior where a value was a generator
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193 # yielding one item, but reconsider about it. join() over a string
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194 # has no consistent result because a string may be a bytes, or a
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195 # generator yielding an item, or a generator yielding multiple items.
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196 # Preserving all of the current behaviors wouldn't make any sense.
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197 return self.show(context, mapping)
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198
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199 def show(self, context, mapping):
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200 # TODO: switch gen to (context, mapping) API?
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201 gen = self._gen
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202 if gen is None:
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203 return pycompat.bytestr(self._value)
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204 if callable(gen):
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205 return gen()
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206 return gen
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207
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208 def tovalue(self, context, mapping):
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209 return _unthunk(context, mapping, self._value)
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210
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211 class _mappingsequence(wrapped):
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212 """Wrapper for sequence of template mappings
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213
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214 This represents an inner template structure (i.e. a list of dicts),
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215 which can also be rendered by the specified named/literal template.
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216
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217 Template mappings may be nested.
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218 """
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219
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220 def __init__(self, name=None, tmpl=None, sep=''):
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221 if name is not None and tmpl is not None:
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222 raise error.ProgrammingError('name and tmpl are mutually exclusive')
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223 self._name = name
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224 self._tmpl = tmpl
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225 self._defaultsep = sep
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226
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227 def join(self, context, mapping, sep):
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228 mapsiter = _iteroverlaymaps(context, mapping, self.itermaps(context))
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229 if self._name:
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230 itemiter = (context.process(self._name, m) for m in mapsiter)
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231 elif self._tmpl:
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232 itemiter = (context.expand(self._tmpl, m) for m in mapsiter)
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233 else:
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234 raise error.ParseError(_('not displayable without template'))
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235 return joinitems(itemiter, sep)
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236
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237 def show(self, context, mapping):
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238 return self.join(context, mapping, self._defaultsep)
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239
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240 def tovalue(self, context, mapping):
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241 knownres = context.knownresourcekeys()
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242 items = []
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243 for nm in self.itermaps(context):
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244 # drop internal resources (recursively) which shouldn't be displayed
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245 lm = context.overlaymap(mapping, nm)
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246 items.append({k: unwrapvalue(context, lm, v)
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247 for k, v in nm.iteritems() if k not in knownres})
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248 return items
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249
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250 class mappinggenerator(_mappingsequence):
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251 """Wrapper for generator of template mappings
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252
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253 The function ``make(context, *args)`` should return a generator of
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254 mapping dicts.
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255 """
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256
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257 def __init__(self, make, args=(), name=None, tmpl=None, sep=''):
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258 super(mappinggenerator, self).__init__(name, tmpl, sep)
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259 self._make = make
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260 self._args = args
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261
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262 def itermaps(self, context):
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263 return self._make(context, *self._args)
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264
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265 class mappinglist(_mappingsequence):
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266 """Wrapper for list of template mappings"""
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267
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268 def __init__(self, mappings, name=None, tmpl=None, sep=''):
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269 super(mappinglist, self).__init__(name, tmpl, sep)
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270 self._mappings = mappings
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271
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272 def itermaps(self, context):
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273 return iter(self._mappings)
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274
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275 class mappedgenerator(wrapped):
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276 """Wrapper for generator of strings which acts as a list
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277
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278 The function ``make(context, *args)`` should return a generator of
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279 byte strings, or a generator of (possibly nested) generators of byte
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280 strings (i.e. a generator for a list of byte strings.)
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281 """
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282
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283 def __init__(self, make, args=()):
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284 self._make = make
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285 self._args = args
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286
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287 def _gen(self, context):
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288 return self._make(context, *self._args)
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289
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290 def itermaps(self, context):
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291 raise error.ParseError(_('list of strings is not mappable'))
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292
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293 def join(self, context, mapping, sep):
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294 return joinitems(self._gen(context), sep)
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295
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296 def show(self, context, mapping):
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297 return self.join(context, mapping, '')
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298
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299 def tovalue(self, context, mapping):
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300 return [stringify(context, mapping, x) for x in self._gen(context)]
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301
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302 def hybriddict(data, key='key', value='value', fmt=None, gen=None):
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303 """Wrap data to support both dict-like and string-like operations"""
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304 prefmt = pycompat.identity
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305 if fmt is None:
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306 fmt = '%s=%s'
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307 prefmt = pycompat.bytestr
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308 return hybrid(gen, data, lambda k: {key: k, value: data[k]},
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309 lambda k: fmt % (prefmt(k), prefmt(data[k])))
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310
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311 def hybridlist(data, name, fmt=None, gen=None):
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312 """Wrap data to support both list-like and string-like operations"""
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313 prefmt = pycompat.identity
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314 if fmt is None:
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315 fmt = '%s'
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316 prefmt = pycompat.bytestr
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317 return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x))
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318
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319 def unwraphybrid(context, mapping, thing):
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320 """Return an object which can be stringified possibly by using a legacy
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321 template"""
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322 if not isinstance(thing, wrapped):
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323 return thing
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324 return thing.show(context, mapping)
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325
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326 def wraphybridvalue(container, key, value):
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327 """Wrap an element of hybrid container to be mappable
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328
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329 The key is passed to the makemap function of the given container, which
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330 should be an item generated by iter(container).
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331 """
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332 makemap = getattr(container, '_makemap', None)
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333 if makemap is None:
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334 return value
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335 if util.safehasattr(value, '_makemap'):
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336 # a nested hybrid list/dict, which has its own way of map operation
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337 return value
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338 return mappable(None, key, value, makemap)
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339
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340 def compatdict(context, mapping, name, data, key='key', value='value',
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341 fmt=None, plural=None, separator=' '):
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342 """Wrap data like hybriddict(), but also supports old-style list template
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343
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344 This exists for backward compatibility with the old-style template. Use
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345 hybriddict() for new template keywords.
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346 """
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347 c = [{key: k, value: v} for k, v in data.iteritems()]
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348 f = _showcompatlist(context, mapping, name, c, plural, separator)
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349 return hybriddict(data, key=key, value=value, fmt=fmt, gen=f)
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350
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351 def compatlist(context, mapping, name, data, element=None, fmt=None,
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352 plural=None, separator=' '):
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353 """Wrap data like hybridlist(), but also supports old-style list template
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354
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355 This exists for backward compatibility with the old-style template. Use
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356 hybridlist() for new template keywords.
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357 """
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358 f = _showcompatlist(context, mapping, name, data, plural, separator)
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359 return hybridlist(data, name=element or name, fmt=fmt, gen=f)
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360
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361 def _showcompatlist(context, mapping, name, values, plural=None, separator=' '):
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362 """Return a generator that renders old-style list template
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363
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364 name is name of key in template map.
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365 values is list of strings or dicts.
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366 plural is plural of name, if not simply name + 's'.
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367 separator is used to join values as a string
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368
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369 expansion works like this, given name 'foo'.
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370
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371 if values is empty, expand 'no_foos'.
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372
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373 if 'foo' not in template map, return values as a string,
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374 joined by 'separator'.
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375
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376 expand 'start_foos'.
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377
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378 for each value, expand 'foo'. if 'last_foo' in template
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379 map, expand it instead of 'foo' for last key.
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380
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381 expand 'end_foos'.
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382 """
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383 if not plural:
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384 plural = name + 's'
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385 if not values:
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386 noname = 'no_' + plural
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387 if context.preload(noname):
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388 yield context.process(noname, mapping)
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389 return
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390 if not context.preload(name):
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391 if isinstance(values[0], bytes):
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diff changeset
392 yield separator.join(values)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
393 else:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
394 for v in values:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
395 r = dict(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
396 r.update(mapping)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
397 yield r
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
398 return
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
399 startname = 'start_' + plural
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
400 if context.preload(startname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
401 yield context.process(startname, mapping)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
402 def one(v, tag=name):
37074
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
403 vmapping = {}
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
404 try:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
405 vmapping.update(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
406 # Python 2 raises ValueError if the type of v is wrong. Python
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
407 # 3 raises TypeError.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
408 except (AttributeError, TypeError, ValueError):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
409 try:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
410 # Python 2 raises ValueError trying to destructure an e.g.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
411 # bytes. Python 3 raises TypeError.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
412 for a, b in v:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
413 vmapping[a] = b
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
414 except (TypeError, ValueError):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
415 vmapping[name] = v
37074
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
416 vmapping = context.overlaymap(mapping, vmapping)
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
417 return context.process(tag, vmapping)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
418 lastname = 'last_' + name
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
419 if context.preload(lastname):
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
420 last = values.pop()
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
421 else:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
422 last = None
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
423 for v in values:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
424 yield one(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
425 if last is not None:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
426 yield one(last, tag=lastname)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
427 endname = 'end_' + plural
37068
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
428 if context.preload(endname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37019
diff changeset
429 yield context.process(endname, mapping)
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
430
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
431 def flatten(context, mapping, thing):
37157
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
432 """Yield a single stream from a possibly nested set of iterators"""
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
433 thing = unwraphybrid(context, mapping, thing)
37157
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
434 if isinstance(thing, bytes):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
435 yield thing
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
436 elif isinstance(thing, str):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
437 # We can only hit this on Python 3, and it's here to guard
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
438 # against infinite recursion.
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
439 raise error.ProgrammingError('Mercurial IO including templates is done'
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
440 ' with bytes, not strings, got %r' % thing)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
441 elif thing is None:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
442 pass
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
443 elif not util.safehasattr(thing, '__iter__'):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
444 yield pycompat.bytestr(thing)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
445 else:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
446 for i in thing:
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
447 i = unwraphybrid(context, mapping, i)
37157
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
448 if isinstance(i, bytes):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
449 yield i
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
450 elif i is None:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
451 pass
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
452 elif not util.safehasattr(i, '__iter__'):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
453 yield pycompat.bytestr(i)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
454 else:
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
455 for j in flatten(context, mapping, i):
37157
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
456 yield j
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37104
diff changeset
457
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
458 def stringify(context, mapping, thing):
36920
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36913
diff changeset
459 """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
460 if isinstance(thing, bytes):
e09d2183e226 templateutil: reimplement stringify() using flatten()
Yuya Nishihara <yuya@tcha.org>
parents: 37157
diff changeset
461 return thing # retain localstr to be round-tripped
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
462 return b''.join(flatten(context, mapping, thing))
36920
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36913
diff changeset
463
31927
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
464 def findsymbolicname(arg):
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
465 """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
466 if nothing found reliably"""
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
467 while True:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
468 func, data = arg
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
469 if func is runsymbol:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
470 return data
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
471 elif func is runfilter:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
472 arg = data[0]
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
473 else:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
474 return None
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
475
37278
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
476 def _unthunk(context, mapping, thing):
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
477 """Evaluate a lazy byte string into value"""
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
478 if not isinstance(thing, types.GeneratorType):
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
479 return thing
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
480 return stringify(context, mapping, thing)
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
481
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
482 def evalrawexp(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
483 """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
484 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
485 func, data = arg
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
486 return func(context, mapping, data)
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
487
38226
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
488 def evalwrapped(context, mapping, arg):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
489 """Evaluate given argument to wrapped object"""
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
490 thing = evalrawexp(context, mapping, arg)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
491 return makewrapped(context, mapping, thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
492
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
493 def makewrapped(context, mapping, thing):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
494 """Lift object to a wrapped type"""
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
495 if isinstance(thing, wrapped):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
496 return thing
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
497 thing = _unthunk(context, mapping, thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
498 if isinstance(thing, bytes):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
499 return wrappedbytes(thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
500 return wrappedvalue(thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38225
diff changeset
501
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
502 def evalfuncarg(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
503 """Evaluate given argument as value type"""
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
504 return unwrapvalue(context, mapping, evalrawexp(context, mapping, arg))
37161
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37160
diff changeset
505
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
506 def unwrapvalue(context, mapping, thing):
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
507 """Move the inner value object out of the wrapper"""
38224
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
508 if isinstance(thing, wrapped):
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
509 return thing.tovalue(context, mapping)
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
510 # 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
511 # such as date tuple, but filter does not want generator.
37278
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37277
diff changeset
512 return _unthunk(context, mapping, thing)
26124
604a7c941103 templater: extract helper that evaluates filter or function argument
Yuya Nishihara <yuya@tcha.org>
parents: 26106
diff changeset
513
29816
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
514 def evalboolean(context, mapping, arg):
29817
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
515 """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
516 func, data = arg
29817
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
517 if func is runsymbol:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
518 thing = func(context, mapping, data, default=None)
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
519 if thing is None:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
520 # 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
521 thing = stringutil.parsebool(data)
29817
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
522 else:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29816
diff changeset
523 thing = func(context, mapping, data)
38224
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
524 if isinstance(thing, wrapped):
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
525 thing = thing.tovalue(context, mapping)
29816
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
526 if isinstance(thing, bool):
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
527 return thing
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
528 # 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
529 # empty dict/list should be False as they are expected to be ''
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
530 return bool(stringify(context, mapping, thing))
29816
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29815
diff changeset
531
37224
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
532 def evaldate(context, mapping, arg, err=None):
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
533 """Evaluate given argument as a date tuple or a date string; returns
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
534 a (unixtime, offset) tuple"""
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
535 thing = evalrawexp(context, mapping, arg)
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
536 return unwrapdate(context, mapping, thing, err)
37224
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
537
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
538 def unwrapdate(context, mapping, thing, err=None):
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
539 thing = unwrapvalue(context, mapping, thing)
37224
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
540 try:
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
541 return dateutil.parsedate(thing)
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
542 except AttributeError:
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
543 raise error.ParseError(err or _('not a date tuple nor a string'))
37225
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
544 except error.ParseError:
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
545 if not err:
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
546 raise
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
547 raise error.ParseError(err)
37224
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37222
diff changeset
548
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
549 def evalinteger(context, mapping, arg, err=None):
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
550 thing = evalrawexp(context, mapping, arg)
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
551 return unwrapinteger(context, mapping, thing, err)
37162
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37161
diff changeset
552
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
553 def unwrapinteger(context, mapping, thing, err=None):
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
554 thing = unwrapvalue(context, mapping, thing)
28343
a6c2310b3827 templater: factor out function that evaluates argument as integer
Yuya Nishihara <yuya@tcha.org>
parents: 28334
diff changeset
555 try:
37162
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37161
diff changeset
556 return int(thing)
28344
ac371d4c007f templater: drop redundant type conversion when evaluating integer argument
Yuya Nishihara <yuya@tcha.org>
parents: 28343
diff changeset
557 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
558 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
559
28348
ccedb17a5657 templater: factor out thin helper that evaluates argument as string
Yuya Nishihara <yuya@tcha.org>
parents: 28346
diff changeset
560 def evalstring(context, mapping, arg):
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
561 return stringify(context, mapping, 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
562
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
563 def evalstringliteral(context, mapping, arg):
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
564 """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
565 if it is unknown"""
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
566 func, data = arg
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
567 if func is runsymbol:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
568 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
569 else:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
570 thing = func(context, mapping, data)
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
571 return stringify(context, mapping, thing)
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
572
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
573 _unwrapfuncbytype = {
38225
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38224
diff changeset
574 None: unwrapvalue,
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
575 bytes: stringify,
37227
9bcf096a2da2 templatefilters: declare input type as date where appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37226
diff changeset
576 date: unwrapdate,
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
577 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
578 }
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
579
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
580 def unwrapastype(context, mapping, thing, typ):
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
581 """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
582 try:
37163
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
583 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
584 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
585 raise error.ProgrammingError('invalid type specified: %r' % typ)
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
586 return f(context, mapping, 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
587
25002
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
588 def runinteger(context, mapping, data):
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
589 return int(data)
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
590
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
591 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
592 return data
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
593
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
594 def _recursivesymbolblocker(key):
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
595 def showrecursion(**args):
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
596 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
597 return showrecursion
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
598
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
599 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
600 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
601 if v is None:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
602 # 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
603 # 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
604 safemapping = mapping.copy()
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
605 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
606 try:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
607 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
608 except TemplateNotFound:
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
609 v = default
36445
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
610 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
611 # old templatekw: expand all keywords and resources
37070
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37068
diff changeset
612 # (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
613 props = {k: context._resources.lookup(context, mapping, k)
44757e6dad93 templater: introduce resourcemapper class
Yuya Nishihara <yuya@tcha.org>
parents: 37070
diff changeset
614 for k in context._resources.knownkeys()}
37070
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37068
diff changeset
615 # pass context to _showcompatlist() through templatekw._showlist()
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37068
diff changeset
616 props['templ'] = context
35468
32c278eb876f templater: keep default resources per template engine (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35467
diff changeset
617 props.update(mapping)
35588
dadbf213a765 py3: convert dict keys' to str before passing as kwargs
Pulkit Goyal <7895pulkit@gmail.com>
parents: 35481
diff changeset
618 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
619 if callable(v):
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
620 # new templatekw
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
621 try:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
622 return v(context, mapping)
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
623 except ResourceUnavailable:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36444
diff changeset
624 # 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
625 return None
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
626 return v
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
627
25595
a7dd6692e5cb templater: move runtemplate function out of buildmap/runmap pair
Yuya Nishihara <yuya@tcha.org>
parents: 25580
diff changeset
628 def runtemplate(context, mapping, template):
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
629 for arg in template:
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
630 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
631
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
632 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
633 arg, filt = data
37222
54355c243042 templatefilters: allow declaration of input data type
Yuya Nishihara <yuya@tcha.org>
parents: 37163
diff changeset
634 thing = evalrawexp(context, mapping, arg)
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
635 intype = getattr(filt, '_intype', None)
17383
099c778ceb33 templater: abort when a template filter raises an exception (issue2987)
Neil Kodner <neilk@fb.com>
parents: 17334
diff changeset
636 try:
37272
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37231
diff changeset
637 thing = unwrapastype(context, mapping, thing, intype)
24280
6c55e37ba5f2 templater: allow piping generator-type function output to filters
Yuya Nishihara <yuya@tcha.org>
parents: 24240
diff changeset
638 return filt(thing)
37226
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
639 except error.ParseError as e:
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
640 raise error.ParseError(bytes(e), hint=_formatfiltererror(arg, filt))
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
641
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
642 def _formatfiltererror(arg, filt):
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
643 fn = pycompat.sysbytes(filt.__name__)
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
644 sym = findsymbolicname(arg)
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
645 if not sym:
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
646 return _("incompatible use of template filter '%s'") % fn
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
647 return (_("template filter '%s' is not compatible with keyword '%s'")
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37225
diff changeset
648 % (fn, sym))
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
649
37404
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
650 def _checkeditermaps(darg, d):
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
651 try:
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
652 for v in d:
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
653 if not isinstance(v, dict):
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
654 raise TypeError
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
655 yield v
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
656 except TypeError:
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
657 sym = findsymbolicname(darg)
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
658 if sym:
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
659 raise error.ParseError(_("keyword '%s' is not iterable of mappings")
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
660 % sym)
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
661 else:
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
662 raise error.ParseError(_("%r is not iterable of mappings") % d)
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
663
37399
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
664 def _iteroverlaymaps(context, origmapping, newmappings):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
665 """Generate combined mappings from the original mapping and an iterable
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
666 of partial mappings to override the original"""
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
667 for i, nm in enumerate(newmappings):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
668 lm = context.overlaymap(origmapping, nm)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
669 lm['index'] = i
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
670 yield lm
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
671
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
672 def _applymap(context, mapping, diter, targ):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
673 for lm in _iteroverlaymaps(context, mapping, diter):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
674 yield evalrawexp(context, lm, targ)
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
675
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
676 def runmap(context, mapping, data):
34326
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
677 darg, targ = data
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34325
diff changeset
678 d = evalrawexp(context, mapping, darg)
37404
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
679 # TODO: a generator should be rejected because it is a thunk of lazy
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
680 # string, but we can't because hgweb abuses generator as a keyword
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
681 # that returns a list of dicts.
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
682 # TODO: drop _checkeditermaps() and pass 'd' to mappedgenerator so it
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
683 # can be restarted.
37323
8c31b434697f templater: define interface for objects which act as iterator of mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
684 if isinstance(d, wrapped):
37324
c2f74b8f6b7f templater: pass context to itermaps() for future extension
Yuya Nishihara <yuya@tcha.org>
parents: 37323
diff changeset
685 diter = d.itermaps(context)
28349
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
686 else:
37404
7c902a8345ef templater: complain about invalid application of '%' operator (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 37399
diff changeset
687 diter = _checkeditermaps(darg, d)
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
688 return mappedgenerator(_applymap, args=(mapping, diter, targ))
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
689
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
690 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
691 darg, memb = data
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
692 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
693 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
694 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
695 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
696 if util.safehasattr(d, 'get'):
36913
da2977e674a3 templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36912
diff changeset
697 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
698
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
699 sym = findsymbolicname(darg)
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
700 if sym:
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
701 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
702 else:
36545
ab7f86a748e6 py3: drop b'' from error message generated by templater.runmember()
Yuya Nishihara <yuya@tcha.org>
parents: 36544
diff changeset
703 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
704
30115
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
705 def runnegate(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
706 data = evalinteger(context, mapping, data,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
707 _('negation needs an integer argument'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
708 return -data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
709
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
710 def runarithmetic(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
711 func, left, right = data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
712 left = evalinteger(context, mapping, left,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
713 _('arithmetic only defined on integers'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
714 right = evalinteger(context, mapping, right,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
715 _('arithmetic only defined on integers'))
30116
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
716 try:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
717 return func(left, right)
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
718 except ZeroDivisionError:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
719 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
720
36913
da2977e674a3 templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36912
diff changeset
721 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
722 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
723 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
724 return
36921
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36920
diff changeset
725 return wraphybridvalue(dictarg, key, val)
37325
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
726
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
727 def joinitems(itemiter, sep):
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
728 """Join items with the separator; Returns generator of bytes"""
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
729 first = True
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
730 for x in itemiter:
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
731 if first:
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
732 first = False
37326
9cd88dd3bf64 templater: micro-optimize join() with empty separator
Yuya Nishihara <yuya@tcha.org>
parents: 37325
diff changeset
733 elif sep:
37325
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
734 yield sep
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
735 yield x