annotate mercurial/templateutil.py @ 37323:8c31b434697f

templater: define interface for objects which act as iterator of mappings
author Yuya Nishihara <yuya@tcha.org>
date Sat, 17 Mar 2018 21:21:50 +0900
parents 26f6fc179e62
children c2f74b8f6b7f
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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):
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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 show(self, context, mapping):
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46 """Return a bytes or (possibly nested) generator of bytes representing
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47 the underlying object
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48
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49 A pre-configured template may be rendered if the underlying object is
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50 not printable.
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51 """
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52
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53 @abc.abstractmethod
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54 def tovalue(self, context, mapping):
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55 """Move the inner value object out or create a value representation
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56
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57 A returned value must be serializable by templaterfilters.json().
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58 """
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59
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60 # stub for representing a date type; may be a real date type that can
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61 # provide a readable string value
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62 class date(object):
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63 pass
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64
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65 class hybrid(wrapped):
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66 """Wrapper for list or dict to support legacy template
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67
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68 This class allows us to handle both:
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69 - "{files}" (legacy command-line-specific list hack) and
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70 - "{files % '{file}\n'}" (hgweb-style with inlining and function support)
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71 and to access raw values:
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72 - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}"
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73 - "{get(extras, key)}"
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74 - "{files|json}"
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75 """
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76
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77 def __init__(self, gen, values, makemap, joinfmt, keytype=None):
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78 if gen is not None:
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79 self._gen = gen # generator or function returning generator
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80 self._values = values
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81 self._makemap = makemap
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82 self.joinfmt = joinfmt
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83 self.keytype = keytype # hint for 'x in y' where type(x) is unresolved
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84
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85 def _gen(self):
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86 """Default generator to stringify this as {join(self, ' ')}"""
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87 for i, x in enumerate(self._values):
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88 if i > 0:
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89 yield ' '
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90 yield self.joinfmt(x)
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91 def itermaps(self):
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92 makemap = self._makemap
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93 for x in self._values:
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94 yield makemap(x)
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95
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96 def show(self, context, mapping):
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97 # TODO: switch gen to (context, mapping) API?
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98 gen = self._gen
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99 if callable(gen):
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100 return gen()
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101 return gen
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102
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103 def tovalue(self, context, mapping):
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104 # TODO: return self._values and get rid of proxy methods
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105 return self
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106
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107 def __contains__(self, x):
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108 return x in self._values
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109 def __getitem__(self, key):
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110 return self._values[key]
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111 def __len__(self):
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112 return len(self._values)
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113 def __iter__(self):
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114 return iter(self._values)
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115 def __getattr__(self, name):
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116 if name not in (r'get', r'items', r'iteritems', r'iterkeys',
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117 r'itervalues', r'keys', r'values'):
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118 raise AttributeError(name)
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119 return getattr(self._values, name)
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120
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121 class mappable(wrapped):
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122 """Wrapper for non-list/dict object to support map operation
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123
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124 This class allows us to handle both:
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125 - "{manifest}"
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126 - "{manifest % '{rev}:{node}'}"
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127 - "{manifest.rev}"
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128
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129 Unlike a hybrid, this does not simulate the behavior of the underling
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130 value.
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131 """
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132
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133 def __init__(self, gen, key, value, makemap):
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134 self._gen = gen # generator or function returning generator
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135 self._key = key
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136 self._value = value # may be generator of strings
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137 self._makemap = makemap
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138
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139 def tomap(self):
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140 return self._makemap(self._key)
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141
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142 def itermaps(self):
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143 yield self.tomap()
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144
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145 def show(self, context, mapping):
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146 # TODO: switch gen to (context, mapping) API?
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147 gen = self._gen
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148 if gen is None:
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149 return pycompat.bytestr(self._value)
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150 if callable(gen):
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151 return gen()
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152 return gen
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153
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154 def tovalue(self, context, mapping):
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155 return _unthunk(context, mapping, self._value)
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156
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157 def hybriddict(data, key='key', value='value', fmt=None, gen=None):
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158 """Wrap data to support both dict-like and string-like operations"""
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159 prefmt = pycompat.identity
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160 if fmt is None:
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161 fmt = '%s=%s'
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162 prefmt = pycompat.bytestr
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163 return hybrid(gen, data, lambda k: {key: k, value: data[k]},
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164 lambda k: fmt % (prefmt(k), prefmt(data[k])))
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165
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166 def hybridlist(data, name, fmt=None, gen=None):
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167 """Wrap data to support both list-like and string-like operations"""
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168 prefmt = pycompat.identity
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169 if fmt is None:
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170 fmt = '%s'
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171 prefmt = pycompat.bytestr
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172 return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x))
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173
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174 def unwraphybrid(context, mapping, thing):
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175 """Return an object which can be stringified possibly by using a legacy
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176 template"""
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177 if not isinstance(thing, wrapped):
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178 return thing
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179 return thing.show(context, mapping)
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180
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181 def unwrapvalue(context, mapping, thing):
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182 """Move the inner value object out of the wrapper"""
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183 if not isinstance(thing, wrapped):
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184 return thing
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185 return thing.tovalue(context, mapping)
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186
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187 def wraphybridvalue(container, key, value):
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188 """Wrap an element of hybrid container to be mappable
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189
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190 The key is passed to the makemap function of the given container, which
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191 should be an item generated by iter(container).
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192 """
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193 makemap = getattr(container, '_makemap', None)
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194 if makemap is None:
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195 return value
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196 if util.safehasattr(value, '_makemap'):
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197 # a nested hybrid list/dict, which has its own way of map operation
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198 return value
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199 return mappable(None, key, value, makemap)
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200
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201 def compatdict(context, mapping, name, data, key='key', value='value',
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202 fmt=None, plural=None, separator=' '):
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203 """Wrap data like hybriddict(), but also supports old-style list template
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204
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205 This exists for backward compatibility with the old-style template. Use
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206 hybriddict() for new template keywords.
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207 """
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208 c = [{key: k, value: v} for k, v in data.iteritems()]
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209 f = _showcompatlist(context, mapping, name, c, plural, separator)
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210 return hybriddict(data, key=key, value=value, fmt=fmt, gen=f)
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211
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212 def compatlist(context, mapping, name, data, element=None, fmt=None,
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213 plural=None, separator=' '):
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214 """Wrap data like hybridlist(), but also supports old-style list template
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215
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216 This exists for backward compatibility with the old-style template. Use
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217 hybridlist() for new template keywords.
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218 """
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219 f = _showcompatlist(context, mapping, name, data, plural, separator)
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220 return hybridlist(data, name=element or name, fmt=fmt, gen=f)
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221
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222 def _showcompatlist(context, mapping, name, values, plural=None, separator=' '):
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223 """Return a generator that renders old-style list template
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224
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225 name is name of key in template map.
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226 values is list of strings or dicts.
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227 plural is plural of name, if not simply name + 's'.
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228 separator is used to join values as a string
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229
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230 expansion works like this, given name 'foo'.
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231
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232 if values is empty, expand 'no_foos'.
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233
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234 if 'foo' not in template map, return values as a string,
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235 joined by 'separator'.
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236
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237 expand 'start_foos'.
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238
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239 for each value, expand 'foo'. if 'last_foo' in template
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240 map, expand it instead of 'foo' for last key.
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241
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242 expand 'end_foos'.
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243 """
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244 if not plural:
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245 plural = name + 's'
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246 if not values:
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247 noname = 'no_' + plural
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248 if context.preload(noname):
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249 yield context.process(noname, mapping)
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250 return
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251 if not context.preload(name):
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252 if isinstance(values[0], bytes):
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253 yield separator.join(values)
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254 else:
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255 for v in values:
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256 r = dict(v)
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257 r.update(mapping)
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258 yield r
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259 return
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parents: 36926
diff changeset
260 startname = 'start_' + plural
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
261 if context.preload(startname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
262 yield context.process(startname, mapping)
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
263 def one(v, tag=name):
37077
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37076
diff changeset
264 vmapping = {}
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
265 try:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
266 vmapping.update(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
267 # 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: 36926
diff changeset
268 # 3 raises TypeError.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
269 except (AttributeError, TypeError, ValueError):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
270 try:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
271 # 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: 36926
diff changeset
272 # bytes. Python 3 raises TypeError.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
273 for a, b in v:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
274 vmapping[a] = b
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
275 except (TypeError, ValueError):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
276 vmapping[name] = v
37077
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37076
diff changeset
277 vmapping = context.overlaymap(mapping, vmapping)
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
278 return context.process(tag, vmapping)
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
279 lastname = 'last_' + name
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
280 if context.preload(lastname):
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
281 last = values.pop()
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
282 else:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
283 last = None
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
284 for v in values:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
285 yield one(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
286 if last is not None:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
287 yield one(last, tag=lastname)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
288 endname = 'end_' + plural
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
289 if context.preload(endname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
290 yield context.process(endname, mapping)
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
291
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
292 def flatten(context, mapping, thing):
37159
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
293 """Yield a single stream from a possibly nested set of iterators"""
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
294 thing = unwraphybrid(context, mapping, thing)
37159
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
295 if isinstance(thing, bytes):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
296 yield thing
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
297 elif isinstance(thing, str):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
298 # 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: 37107
diff changeset
299 # against infinite recursion.
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
300 raise error.ProgrammingError('Mercurial IO including templates is done'
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
301 ' with bytes, not strings, got %r' % thing)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
302 elif thing is None:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
303 pass
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
304 elif not util.safehasattr(thing, '__iter__'):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
305 yield pycompat.bytestr(thing)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
306 else:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
307 for i in thing:
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
308 i = unwraphybrid(context, mapping, i)
37159
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
309 if isinstance(i, bytes):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
310 yield i
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
311 elif i is None:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
312 pass
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
313 elif not util.safehasattr(i, '__iter__'):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
314 yield pycompat.bytestr(i)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
315 else:
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
316 for j in flatten(context, mapping, i):
37159
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
317 yield j
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
318
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
319 def stringify(context, mapping, thing):
36926
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36919
diff changeset
320 """Turn values into bytes by converting into text and concatenating them"""
37160
e09d2183e226 templateutil: reimplement stringify() using flatten()
Yuya Nishihara <yuya@tcha.org>
parents: 37159
diff changeset
321 if isinstance(thing, bytes):
e09d2183e226 templateutil: reimplement stringify() using flatten()
Yuya Nishihara <yuya@tcha.org>
parents: 37159
diff changeset
322 return thing # retain localstr to be round-tripped
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
323 return b''.join(flatten(context, mapping, thing))
36926
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36919
diff changeset
324
31927
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
325 def findsymbolicname(arg):
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
326 """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
327 if nothing found reliably"""
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
328 while True:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
329 func, data = arg
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
330 if func is runsymbol:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
331 return data
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
332 elif func is runfilter:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
333 arg = data[0]
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
334 else:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
335 return None
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
336
37280
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
337 def _unthunk(context, mapping, thing):
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
338 """Evaluate a lazy byte string into value"""
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
339 if not isinstance(thing, types.GeneratorType):
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
340 return thing
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
341 return stringify(context, mapping, thing)
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
342
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
343 def evalrawexp(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
344 """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: 34332
diff changeset
345 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
346 func, data = arg
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
347 return func(context, mapping, data)
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
348
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
349 def evalfuncarg(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
350 """Evaluate given argument as value type"""
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
351 return _unwrapvalue(context, mapping, evalrawexp(context, mapping, arg))
37163
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
352
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
353 # TODO: unify this with unwrapvalue() once the bug of templatefunc.join()
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
354 # is fixed. we can't do that right now because join() has to take a generator
0023da2910c9 templater: extract type conversion from evalfuncarg()
Yuya Nishihara <yuya@tcha.org>
parents: 37162
diff changeset
355 # of byte strings as it is, not a lazy byte string.
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
356 def _unwrapvalue(context, mapping, thing):
37279
9e8128e84326 templater: pass (context, mapping) down to unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37278
diff changeset
357 thing = unwrapvalue(context, mapping, thing)
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
358 # 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: 34332
diff changeset
359 # such as date tuple, but filter does not want generator.
37280
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
360 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
361
29827
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
362 def evalboolean(context, mapping, arg):
29828
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
363 """Evaluate given argument as boolean, but also takes boolean literals"""
29827
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
364 func, data = arg
29828
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
365 if func is runsymbol:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
366 thing = func(context, mapping, data, default=None)
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
367 if thing is None:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
368 # not a template keyword, takes as a boolean literal
37087
f0b6fbea00cf stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 37077
diff changeset
369 thing = stringutil.parsebool(data)
29828
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
370 else:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
371 thing = func(context, mapping, data)
37279
9e8128e84326 templater: pass (context, mapping) down to unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37278
diff changeset
372 thing = unwrapvalue(context, mapping, thing)
29827
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
373 if isinstance(thing, bool):
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
374 return thing
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
375 # 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: 29826
diff changeset
376 # empty dict/list should be False as they are expected to be ''
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
377 return bool(stringify(context, mapping, thing))
29827
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
378
37226
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
379 def evaldate(context, mapping, arg, err=None):
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
380 """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: 37224
diff changeset
381 a (unixtime, offset) tuple"""
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
382 thing = evalrawexp(context, mapping, arg)
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
383 return unwrapdate(context, mapping, thing, err)
37226
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
384
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
385 def unwrapdate(context, mapping, thing, err=None):
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
386 thing = _unwrapvalue(context, mapping, thing)
37226
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
387 try:
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
388 return dateutil.parsedate(thing)
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
389 except AttributeError:
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
390 raise error.ParseError(err or _('not a date tuple nor a string'))
37227
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37226
diff changeset
391 except error.ParseError:
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37226
diff changeset
392 if not err:
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37226
diff changeset
393 raise
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37226
diff changeset
394 raise error.ParseError(err)
37226
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
395
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
396 def evalinteger(context, mapping, arg, err=None):
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
397 thing = evalrawexp(context, mapping, arg)
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
398 return unwrapinteger(context, mapping, thing, err)
37164
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37163
diff changeset
399
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
400 def unwrapinteger(context, mapping, thing, err=None):
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
401 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
402 try:
37164
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37163
diff changeset
403 return int(thing)
28344
ac371d4c007f templater: drop redundant type conversion when evaluating integer argument
Yuya Nishihara <yuya@tcha.org>
parents: 28343
diff changeset
404 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
405 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
406
28348
ccedb17a5657 templater: factor out thin helper that evaluates argument as string
Yuya Nishihara <yuya@tcha.org>
parents: 28346
diff changeset
407 def evalstring(context, mapping, arg):
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
408 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
409
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
410 def evalstringliteral(context, mapping, arg):
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
411 """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
412 if it is unknown"""
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
413 func, data = arg
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
414 if func is runsymbol:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
415 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
416 else:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
417 thing = func(context, mapping, data)
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
418 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
419
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
420 _unwrapfuncbytype = {
37224
54355c243042 templatefilters: allow declaration of input data type
Yuya Nishihara <yuya@tcha.org>
parents: 37165
diff changeset
421 None: _unwrapvalue,
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
422 bytes: stringify,
37229
9bcf096a2da2 templatefilters: declare input type as date where appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37228
diff changeset
423 date: unwrapdate,
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
424 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
425 }
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
426
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
427 def unwrapastype(context, mapping, thing, typ):
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
428 """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
429 try:
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
430 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
431 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
432 raise error.ProgrammingError('invalid type specified: %r' % typ)
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
433 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
434
25002
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
435 def runinteger(context, mapping, data):
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
436 return int(data)
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
437
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
438 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
439 return data
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
440
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
441 def _recursivesymbolblocker(key):
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
442 def showrecursion(**args):
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
443 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
444 return showrecursion
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
445
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
446 def runsymbol(context, mapping, key, default=''):
35471
d6cfa722b044 templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents: 35421
diff changeset
447 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
448 if v is None:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
449 # 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
450 # 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
451 safemapping = mapping.copy()
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
452 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
453 try:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
454 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
455 except TemplateNotFound:
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
456 v = default
36475
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
457 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: 36474
diff changeset
458 # old templatekw: expand all keywords and resources
37073
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37071
diff changeset
459 # (TODO: deprecate this after porting web template keywords to new API)
37076
44757e6dad93 templater: introduce resourcemapper class
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
460 props = {k: context._resources.lookup(context, mapping, k)
44757e6dad93 templater: introduce resourcemapper class
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
461 for k in context._resources.knownkeys()}
37073
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37071
diff changeset
462 # pass context to _showcompatlist() through templatekw._showlist()
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37071
diff changeset
463 props['templ'] = context
35472
32c278eb876f templater: keep default resources per template engine (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35471
diff changeset
464 props.update(mapping)
35588
dadbf213a765 py3: convert dict keys' to str before passing as kwargs
Pulkit Goyal <7895pulkit@gmail.com>
parents: 35485
diff changeset
465 return v(**pycompat.strkwargs(props))
36475
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
466 if callable(v):
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
467 # new templatekw
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
468 try:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
469 return v(context, mapping)
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
470 except ResourceUnavailable:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
471 # 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: 36474
diff changeset
472 return None
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
473 return v
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
474
25595
a7dd6692e5cb templater: move runtemplate function out of buildmap/runmap pair
Yuya Nishihara <yuya@tcha.org>
parents: 25580
diff changeset
475 def runtemplate(context, mapping, template):
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
476 for arg in template:
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
477 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
478
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
479 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
480 arg, filt = data
37224
54355c243042 templatefilters: allow declaration of input data type
Yuya Nishihara <yuya@tcha.org>
parents: 37165
diff changeset
481 thing = evalrawexp(context, mapping, arg)
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
482 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
483 try:
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
484 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
485 return filt(thing)
37228
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
486 except error.ParseError as e:
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
487 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: 37227
diff changeset
488
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
489 def _formatfiltererror(arg, filt):
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
490 fn = pycompat.sysbytes(filt.__name__)
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
491 sym = findsymbolicname(arg)
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
492 if not sym:
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
493 return _("incompatible use of template filter '%s'") % fn
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
494 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: 37227
diff changeset
495 % (fn, sym))
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
496
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
497 def runmap(context, mapping, data):
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
498 darg, targ = data
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
499 d = evalrawexp(context, mapping, darg)
37323
8c31b434697f templater: define interface for objects which act as iterator of mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37281
diff changeset
500 if isinstance(d, wrapped):
28349
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
501 diter = d.itermaps()
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
502 else:
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
503 try:
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
504 diter = iter(d)
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
505 except TypeError:
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
506 sym = findsymbolicname(darg)
34331
e473f482b9b3 templater: use helper function to get name of non-iterable keyword
Yuya Nishihara <yuya@tcha.org>
parents: 34294
diff changeset
507 if sym:
e473f482b9b3 templater: use helper function to get name of non-iterable keyword
Yuya Nishihara <yuya@tcha.org>
parents: 34294
diff changeset
508 raise error.ParseError(_("keyword '%s' is not iterable") % sym)
28349
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
509 else:
7cb2f2438f85 templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents: 28348
diff changeset
510 raise error.ParseError(_("%r is not iterable") % d)
17631
0b241d7a8c62 templating: make new-style templating features work with command line lists
Matt Mackall <mpm@selenic.com>
parents: 17383
diff changeset
511
31807
e6eb86b154c5 templater: provide loop counter as "index" keyword
Yuya Nishihara <yuya@tcha.org>
parents: 31806
diff changeset
512 for i, v in enumerate(diter):
31806
8f203b491bb5 templater: rename variable "i" to "v" in runmap()
Yuya Nishihara <yuya@tcha.org>
parents: 31527
diff changeset
513 if isinstance(v, dict):
37077
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37076
diff changeset
514 lm = context.overlaymap(mapping, v)
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37076
diff changeset
515 lm['index'] = i
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
516 yield evalrawexp(context, lm, targ)
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
517 else:
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
518 # v is not an iterable of dicts, this happen when 'key'
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
519 # has been fully expanded already and format is useless.
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
520 # If so, return the expanded value.
31806
8f203b491bb5 templater: rename variable "i" to "v" in runmap()
Yuya Nishihara <yuya@tcha.org>
parents: 31527
diff changeset
521 yield v
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
522
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
523 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
524 darg, memb = data
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
525 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
526 if util.safehasattr(d, 'tomap'):
37077
2891079fb0c0 templater: factor out function to create mapping dict for nested evaluation
Yuya Nishihara <yuya@tcha.org>
parents: 37076
diff changeset
527 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
528 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
529 if util.safehasattr(d, 'get'):
36919
da2977e674a3 templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36918
diff changeset
530 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
531
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
532 sym = findsymbolicname(darg)
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
533 if sym:
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
534 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
535 else:
36574
ab7f86a748e6 py3: drop b'' from error message generated by templater.runmember()
Yuya Nishihara <yuya@tcha.org>
parents: 36573
diff changeset
536 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
537
30115
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
538 def runnegate(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
539 data = evalinteger(context, mapping, data,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
540 _('negation needs an integer argument'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
541 return -data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
542
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
543 def runarithmetic(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
544 func, left, right = data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
545 left = evalinteger(context, mapping, left,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
546 _('arithmetic only defined on integers'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
547 right = evalinteger(context, mapping, right,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
548 _('arithmetic only defined on integers'))
30116
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
549 try:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
550 return func(left, right)
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
551 except ZeroDivisionError:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
552 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
553
36919
da2977e674a3 templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36918
diff changeset
554 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: 34459
diff changeset
555 val = dictarg.get(key)
b3073e175c17 templater: wrap get/min/max result so map operation can apply to element
Yuya Nishihara <yuya@tcha.org>
parents: 34459
diff changeset
556 if val is None:
b3073e175c17 templater: wrap get/min/max result so map operation can apply to element
Yuya Nishihara <yuya@tcha.org>
parents: 34459
diff changeset
557 return
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
558 return wraphybridvalue(dictarg, key, val)