annotate mercurial/templateutil.py @ 38296:e72697893c93

templater: promote tomap() to an interface type I originally considered merging tomap() with itermaps()/getmember(), but decided to not. We might want to add support for chained map operations (e.g. {foo % func() % ...}), where func() will return a mappable object, and 'foo % func()' will be a mappedgenerator of mappable objects.
author Yuya Nishihara <yuya@tcha.org>
date Sat, 21 Apr 2018 19:01:35 +0900
parents 0e0d03d09ecd
children 8d6109b49b31
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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() or unwrapastype() to obtain the inner object.
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35 """
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36
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37 __metaclass__ = abc.ABCMeta
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38
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39 @abc.abstractmethod
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40 def contains(self, context, mapping, item):
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41 """Test if the specified item is in self
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42
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43 The item argument may be a wrapped object.
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44 """
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45
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46 @abc.abstractmethod
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47 def getmember(self, context, mapping, key):
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48 """Return a member item for the specified key
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49
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50 The key argument may be a wrapped object.
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51 A returned object may be either a wrapped object or a pure value
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52 depending on the self type.
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53 """
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54
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55 @abc.abstractmethod
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56 def getmin(self, context, mapping):
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57 """Return the smallest item, which may be either a wrapped or a pure
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58 value depending on the self type"""
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59
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60 @abc.abstractmethod
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61 def getmax(self, context, mapping):
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62 """Return the largest item, which may be either a wrapped or a pure
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63 value depending on the self type"""
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64
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65 @abc.abstractmethod
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66 def itermaps(self, context):
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67 """Yield each template mapping"""
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68
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69 @abc.abstractmethod
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70 def join(self, context, mapping, sep):
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71 """Join items with the separator; Returns a bytes or (possibly nested)
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72 generator of bytes
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73
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74 A pre-configured template may be rendered per item if this container
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75 holds unprintable items.
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76 """
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77
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78 @abc.abstractmethod
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79 def show(self, context, mapping):
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80 """Return a bytes or (possibly nested) generator of bytes representing
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81 the underlying object
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82
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83 A pre-configured template may be rendered if the underlying object is
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84 not printable.
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85 """
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86
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87 @abc.abstractmethod
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88 def tovalue(self, context, mapping):
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89 """Move the inner value object out or create a value representation
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90
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91 A returned value must be serializable by templaterfilters.json().
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92 """
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93
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94 class mappable(object):
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95 """Object which can be converted to a single template mapping"""
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96
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97 def itermaps(self, context):
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98 yield self.tomap(context)
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99
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100 @abc.abstractmethod
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101 def tomap(self, context):
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102 """Create a single template mapping representing this"""
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103
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104 class wrappedbytes(wrapped):
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105 """Wrapper for byte string"""
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106
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107 def __init__(self, value):
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108 self._value = value
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109
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110 def contains(self, context, mapping, item):
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111 item = stringify(context, mapping, item)
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112 return item in self._value
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113
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114 def getmember(self, context, mapping, key):
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115 raise error.ParseError(_('%r is not a dictionary')
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116 % pycompat.bytestr(self._value))
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117
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118 def getmin(self, context, mapping):
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119 return self._getby(context, mapping, min)
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120
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121 def getmax(self, context, mapping):
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122 return self._getby(context, mapping, max)
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123
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124 def _getby(self, context, mapping, func):
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125 if not self._value:
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126 raise error.ParseError(_('empty string'))
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127 return func(pycompat.iterbytestr(self._value))
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128
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129 def itermaps(self, context):
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130 raise error.ParseError(_('%r is not iterable of mappings')
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131 % pycompat.bytestr(self._value))
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132
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133 def join(self, context, mapping, sep):
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134 return joinitems(pycompat.iterbytestr(self._value), sep)
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135
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136 def show(self, context, mapping):
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137 return self._value
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138
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139 def tovalue(self, context, mapping):
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140 return self._value
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141
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142 class wrappedvalue(wrapped):
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143 """Generic wrapper for pure non-list/dict/bytes value"""
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144
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145 def __init__(self, value):
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146 self._value = value
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147
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148 def contains(self, context, mapping, item):
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149 raise error.ParseError(_("%r is not iterable") % self._value)
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150
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151 def getmember(self, context, mapping, key):
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152 raise error.ParseError(_('%r is not a dictionary') % self._value)
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153
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154 def getmin(self, context, mapping):
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155 raise error.ParseError(_("%r is not iterable") % self._value)
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156
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157 def getmax(self, context, mapping):
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158 raise error.ParseError(_("%r is not iterable") % self._value)
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159
38238
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160 def itermaps(self, context):
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161 raise error.ParseError(_('%r is not iterable of mappings')
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162 % self._value)
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163
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164 def join(self, context, mapping, sep):
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165 raise error.ParseError(_('%r is not iterable') % self._value)
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166
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167 def show(self, context, mapping):
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168 if self._value is None:
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169 return b''
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170 return pycompat.bytestr(self._value)
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171
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172 def tovalue(self, context, mapping):
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173 return self._value
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174
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175 # stub for representing a date type; may be a real date type that can
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176 # provide a readable string value
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177 class date(object):
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178 pass
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179
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180 class hybrid(wrapped):
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181 """Wrapper for list or dict to support legacy template
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182
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183 This class allows us to handle both:
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184 - "{files}" (legacy command-line-specific list hack) and
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185 - "{files % '{file}\n'}" (hgweb-style with inlining and function support)
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186 and to access raw values:
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187 - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}"
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188 - "{get(extras, key)}"
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189 - "{files|json}"
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190 """
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191
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192 def __init__(self, gen, values, makemap, joinfmt, keytype=None):
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193 self._gen = gen # generator or function returning generator
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194 self._values = values
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195 self._makemap = makemap
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196 self._joinfmt = joinfmt
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197 self._keytype = keytype # hint for 'x in y' where type(x) is unresolved
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198
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199 def contains(self, context, mapping, item):
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200 item = unwrapastype(context, mapping, item, self._keytype)
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201 return item in self._values
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202
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203 def getmember(self, context, mapping, key):
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204 # TODO: maybe split hybrid list/dict types?
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205 if not util.safehasattr(self._values, 'get'):
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206 raise error.ParseError(_('not a dictionary'))
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207 key = unwrapastype(context, mapping, key, self._keytype)
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208 return self._wrapvalue(key, self._values.get(key))
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209
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210 def getmin(self, context, mapping):
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211 return self._getby(context, mapping, min)
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212
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213 def getmax(self, context, mapping):
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214 return self._getby(context, mapping, max)
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215
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216 def _getby(self, context, mapping, func):
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217 if not self._values:
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218 raise error.ParseError(_('empty sequence'))
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219 val = func(self._values)
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220 return self._wrapvalue(val, val)
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221
38254
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222 def _wrapvalue(self, key, val):
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diff changeset
223 if val is None:
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224 return
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225 if util.safehasattr(val, '_makemap'):
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226 # a nested hybrid list/dict, which has its own way of map operation
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227 return val
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228 return hybriditem(None, key, val, self._makemap)
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229
37324
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230 def itermaps(self, context):
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231 makemap = self._makemap
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232 for x in self._values:
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233 yield makemap(x)
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234
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235 def join(self, context, mapping, sep):
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236 # TODO: switch gen to (context, mapping) API?
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237 return joinitems((self._joinfmt(x) for x in self._values), sep)
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238
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239 def show(self, context, mapping):
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240 # TODO: switch gen to (context, mapping) API?
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241 gen = self._gen
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242 if gen is None:
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diff changeset
243 return self.join(context, mapping, ' ')
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244 if callable(gen):
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245 return gen()
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246 return gen
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247
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diff changeset
248 def tovalue(self, context, mapping):
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diff changeset
249 # TODO: make it non-recursive for trivial lists/dicts
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diff changeset
250 xs = self._values
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diff changeset
251 if util.safehasattr(xs, 'get'):
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diff changeset
252 return {k: unwrapvalue(context, mapping, v)
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diff changeset
253 for k, v in xs.iteritems()}
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254 return [unwrapvalue(context, mapping, x) for x in xs]
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255
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diff changeset
256 class hybriditem(mappable, wrapped):
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257 """Wrapper for non-list/dict object to support map operation
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258
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diff changeset
259 This class allows us to handle both:
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260 - "{manifest}"
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diff changeset
261 - "{manifest % '{rev}:{node}'}"
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diff changeset
262 - "{manifest.rev}"
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diff changeset
263 """
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264
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265 def __init__(self, gen, key, value, makemap):
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266 self._gen = gen # generator or function returning generator
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267 self._key = key
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268 self._value = value # may be generator of strings
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269 self._makemap = makemap
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270
38296
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271 def tomap(self, context):
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272 return self._makemap(self._key)
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273
38279
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274 def contains(self, context, mapping, item):
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diff changeset
275 w = makewrapped(context, mapping, self._value)
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diff changeset
276 return w.contains(context, mapping, item)
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277
38255
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278 def getmember(self, context, mapping, key):
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279 w = makewrapped(context, mapping, self._value)
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280 return w.getmember(context, mapping, key)
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281
38277
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282 def getmin(self, context, mapping):
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283 w = makewrapped(context, mapping, self._value)
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284 return w.getmin(context, mapping)
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285
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286 def getmax(self, context, mapping):
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287 w = makewrapped(context, mapping, self._value)
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288 return w.getmax(context, mapping)
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289
37327
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290 def join(self, context, mapping, sep):
38240
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291 w = makewrapped(context, mapping, self._value)
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292 return w.join(context, mapping, sep)
37327
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293
37275
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294 def show(self, context, mapping):
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295 # TODO: switch gen to (context, mapping) API?
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296 gen = self._gen
37278
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297 if gen is None:
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298 return pycompat.bytestr(self._value)
37275
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299 if callable(gen):
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300 return gen()
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301 return gen
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302
37281
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303 def tovalue(self, context, mapping):
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304 return _unthunk(context, mapping, self._value)
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305
37399
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306 class _mappingsequence(wrapped):
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307 """Wrapper for sequence of template mappings
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308
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309 This represents an inner template structure (i.e. a list of dicts),
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310 which can also be rendered by the specified named/literal template.
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311
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312 Template mappings may be nested.
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313 """
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314
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315 def __init__(self, name=None, tmpl=None, sep=''):
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316 if name is not None and tmpl is not None:
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317 raise error.ProgrammingError('name and tmpl are mutually exclusive')
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318 self._name = name
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319 self._tmpl = tmpl
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320 self._defaultsep = sep
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321
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322 def contains(self, context, mapping, item):
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323 raise error.ParseError(_('not comparable'))
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324
38255
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325 def getmember(self, context, mapping, key):
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326 raise error.ParseError(_('not a dictionary'))
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327
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328 def getmin(self, context, mapping):
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329 raise error.ParseError(_('not comparable'))
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330
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331 def getmax(self, context, mapping):
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332 raise error.ParseError(_('not comparable'))
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333
37399
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334 def join(self, context, mapping, sep):
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335 mapsiter = _iteroverlaymaps(context, mapping, self.itermaps(context))
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336 if self._name:
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337 itemiter = (context.process(self._name, m) for m in mapsiter)
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338 elif self._tmpl:
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339 itemiter = (context.expand(self._tmpl, m) for m in mapsiter)
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340 else:
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341 raise error.ParseError(_('not displayable without template'))
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342 return joinitems(itemiter, sep)
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343
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344 def show(self, context, mapping):
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345 return self.join(context, mapping, self._defaultsep)
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346
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347 def tovalue(self, context, mapping):
37502
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348 knownres = context.knownresourcekeys()
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349 items = []
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350 for nm in self.itermaps(context):
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351 # drop internal resources (recursively) which shouldn't be displayed
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352 lm = context.overlaymap(mapping, nm)
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353 items.append({k: unwrapvalue(context, lm, v)
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354 for k, v in nm.iteritems() if k not in knownres})
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355 return items
37399
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356
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357 class mappinggenerator(_mappingsequence):
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358 """Wrapper for generator of template mappings
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359
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diff changeset
360 The function ``make(context, *args)`` should return a generator of
0b64416224d9 templater: add class representing a nested mappings
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361 mapping dicts.
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diff changeset
362 """
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363
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diff changeset
364 def __init__(self, make, args=(), name=None, tmpl=None, sep=''):
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365 super(mappinggenerator, self).__init__(name, tmpl, sep)
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366 self._make = make
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367 self._args = args
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368
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369 def itermaps(self, context):
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diff changeset
370 return self._make(context, *self._args)
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371
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372 class mappinglist(_mappingsequence):
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373 """Wrapper for list of template mappings"""
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374
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375 def __init__(self, mappings, name=None, tmpl=None, sep=''):
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376 super(mappinglist, self).__init__(name, tmpl, sep)
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377 self._mappings = mappings
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378
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diff changeset
379 def itermaps(self, context):
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diff changeset
380 return iter(self._mappings)
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381
37499
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382 class mappedgenerator(wrapped):
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diff changeset
383 """Wrapper for generator of strings which acts as a list
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parents: 37405
diff changeset
384
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diff changeset
385 The function ``make(context, *args)`` should return a generator of
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
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diff changeset
386 byte strings, or a generator of (possibly nested) generators of byte
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
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parents: 37405
diff changeset
387 strings (i.e. a generator for a list of byte strings.)
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
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parents: 37405
diff changeset
388 """
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
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parents: 37405
diff changeset
389
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diff changeset
390 def __init__(self, make, args=()):
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diff changeset
391 self._make = make
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diff changeset
392 self._args = args
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diff changeset
393
38279
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diff changeset
394 def contains(self, context, mapping, item):
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diff changeset
395 item = stringify(context, mapping, item)
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diff changeset
396 return item in self.tovalue(context, mapping)
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diff changeset
397
37499
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diff changeset
398 def _gen(self, context):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
399 return self._make(context, *self._args)
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
400
38255
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38254
diff changeset
401 def getmember(self, context, mapping, key):
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38254
diff changeset
402 raise error.ParseError(_('not a dictionary'))
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38254
diff changeset
403
38277
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
404 def getmin(self, context, mapping):
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
405 return self._getby(context, mapping, min)
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
406
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
407 def getmax(self, context, mapping):
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
408 return self._getby(context, mapping, max)
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
409
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
410 def _getby(self, context, mapping, func):
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
411 xs = self.tovalue(context, mapping)
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
412 if not xs:
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
413 raise error.ParseError(_('empty sequence'))
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
414 return func(xs)
41ae9b3cbfb9 templater: abstract min/max away
Yuya Nishihara <yuya@tcha.org>
parents: 38256
diff changeset
415
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
416 def itermaps(self, context):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
417 raise error.ParseError(_('list of strings is not mappable'))
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
418
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
419 def join(self, context, mapping, sep):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
420 return joinitems(self._gen(context), sep)
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
421
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
422 def show(self, context, mapping):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
423 return self.join(context, mapping, '')
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
424
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
425 def tovalue(self, context, mapping):
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
426 return [stringify(context, mapping, x) for x in self._gen(context)]
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
427
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
428 def hybriddict(data, key='key', value='value', fmt=None, gen=None):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
429 """Wrap data to support both dict-like and string-like operations"""
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
430 prefmt = pycompat.identity
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
431 if fmt is None:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
432 fmt = '%s=%s'
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
433 prefmt = pycompat.bytestr
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
434 return hybrid(gen, data, lambda k: {key: k, value: data[k]},
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
435 lambda k: fmt % (prefmt(k), prefmt(data[k])))
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
436
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
437 def hybridlist(data, name, fmt=None, gen=None):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
438 """Wrap data to support both list-like and string-like operations"""
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
439 prefmt = pycompat.identity
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
440 if fmt is None:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
441 fmt = '%s'
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
442 prefmt = pycompat.bytestr
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
443 return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x))
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
444
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
445 def compatdict(context, mapping, name, data, key='key', value='value',
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
446 fmt=None, plural=None, separator=' '):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
447 """Wrap data like hybriddict(), but also supports old-style list template
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
448
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
449 This exists for backward compatibility with the old-style template. Use
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
450 hybriddict() for new template keywords.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
451 """
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
452 c = [{key: k, value: v} for k, v in data.iteritems()]
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
453 f = _showcompatlist(context, mapping, name, c, plural, separator)
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
454 return hybriddict(data, key=key, value=value, fmt=fmt, gen=f)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
455
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
456 def compatlist(context, mapping, name, data, element=None, fmt=None,
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
457 plural=None, separator=' '):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
458 """Wrap data like hybridlist(), but also supports old-style list template
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
459
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
460 This exists for backward compatibility with the old-style template. Use
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
461 hybridlist() for new template keywords.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
462 """
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
463 f = _showcompatlist(context, mapping, name, data, plural, separator)
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
464 return hybridlist(data, name=element or name, fmt=fmt, gen=f)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
465
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
466 def _showcompatlist(context, mapping, name, values, plural=None, separator=' '):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
467 """Return a generator that renders old-style list template
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
468
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
469 name is name of key in template map.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
470 values is list of strings or dicts.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
471 plural is plural of name, if not simply name + 's'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
472 separator is used to join values as a string
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
473
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
474 expansion works like this, given name 'foo'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
475
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
476 if values is empty, expand 'no_foos'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
477
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
478 if 'foo' not in template map, return values as a string,
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
479 joined by 'separator'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
480
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
481 expand 'start_foos'.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
482
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
483 for each value, expand 'foo'. if 'last_foo' in template
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
484 map, expand it instead of 'foo' for last key.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
485
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
486 expand 'end_foos'.
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
487 """
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
488 if not plural:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
489 plural = name + 's'
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
490 if not values:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
491 noname = 'no_' + plural
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
492 if context.preload(noname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
493 yield context.process(noname, mapping)
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
494 return
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
495 if not context.preload(name):
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
496 if isinstance(values[0], bytes):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
497 yield separator.join(values)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
498 else:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
499 for v in values:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
500 r = dict(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
501 r.update(mapping)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
502 yield r
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
503 return
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
504 startname = 'start_' + plural
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
505 if context.preload(startname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
506 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
507 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
508 vmapping = {}
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
509 try:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
510 vmapping.update(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
511 # 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
512 # 3 raises TypeError.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
513 except (AttributeError, TypeError, ValueError):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
514 try:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
515 # 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
516 # bytes. Python 3 raises TypeError.
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
517 for a, b in v:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
518 vmapping[a] = b
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
519 except (TypeError, ValueError):
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
520 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
521 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
522 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
523 lastname = 'last_' + name
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
524 if context.preload(lastname):
36927
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
525 last = values.pop()
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
526 else:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
527 last = None
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
528 for v in values:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
529 yield one(v)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
530 if last is not None:
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
531 yield one(last, tag=lastname)
32f9b7e3f056 templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36926
diff changeset
532 endname = 'end_' + plural
37071
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
533 if context.preload(endname):
aa97e06a1912 templater: use template context to render old-style list template
Yuya Nishihara <yuya@tcha.org>
parents: 37022
diff changeset
534 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
535
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
536 def flatten(context, mapping, thing):
37159
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
537 """Yield a single stream from a possibly nested set of iterators"""
38282
630c62804383 templater: inline unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 38281
diff changeset
538 if isinstance(thing, wrapped):
630c62804383 templater: inline unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 38281
diff changeset
539 thing = thing.show(context, mapping)
37159
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
540 if isinstance(thing, bytes):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
541 yield thing
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
542 elif isinstance(thing, str):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
543 # 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
544 # against infinite recursion.
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
545 raise error.ProgrammingError('Mercurial IO including templates is done'
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
546 ' with bytes, not strings, got %r' % thing)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
547 elif thing is None:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
548 pass
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
549 elif not util.safehasattr(thing, '__iter__'):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
550 yield pycompat.bytestr(thing)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
551 else:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
552 for i in thing:
38282
630c62804383 templater: inline unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 38281
diff changeset
553 if isinstance(i, wrapped):
630c62804383 templater: inline unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 38281
diff changeset
554 i = i.show(context, mapping)
37159
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
555 if isinstance(i, bytes):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
556 yield i
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
557 elif i is None:
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
558 pass
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
559 elif not util.safehasattr(i, '__iter__'):
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
560 yield pycompat.bytestr(i)
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
561 else:
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
562 for j in flatten(context, mapping, i):
37159
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
563 yield j
888507ec655e templateutil: move flatten() from templater
Yuya Nishihara <yuya@tcha.org>
parents: 37107
diff changeset
564
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
565 def stringify(context, mapping, thing):
36926
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36919
diff changeset
566 """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
567 if isinstance(thing, bytes):
e09d2183e226 templateutil: reimplement stringify() using flatten()
Yuya Nishihara <yuya@tcha.org>
parents: 37159
diff changeset
568 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
569 return b''.join(flatten(context, mapping, thing))
36926
6ff6e1d6b5b8 templater: move stringify() to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents: 36919
diff changeset
570
31927
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
571 def findsymbolicname(arg):
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
572 """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
573 if nothing found reliably"""
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
574 while True:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
575 func, data = arg
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
576 if func is runsymbol:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
577 return data
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
578 elif func is runfilter:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
579 arg = data[0]
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
580 else:
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
581 return None
2abc556dbe92 templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents: 31926
diff changeset
582
37280
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
583 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
584 """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
585 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
586 return thing
671a01cd50b5 templater: extract private function to evaluate generator to byte string
Yuya Nishihara <yuya@tcha.org>
parents: 37279
diff changeset
587 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
588
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
589 def evalrawexp(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
590 """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
591 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
592 func, data = arg
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
593 return func(context, mapping, data)
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
594
38238
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
595 def evalwrapped(context, mapping, arg):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
596 """Evaluate given argument to wrapped object"""
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
597 thing = evalrawexp(context, mapping, arg)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
598 return makewrapped(context, mapping, thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
599
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
600 def makewrapped(context, mapping, thing):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
601 """Lift object to a wrapped type"""
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
602 if isinstance(thing, wrapped):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
603 return thing
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
604 thing = _unthunk(context, mapping, thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
605 if isinstance(thing, bytes):
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
606 return wrappedbytes(thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
607 return wrappedvalue(thing)
7824783a6d5e templater: add wrapped types for pure non-list/dict values
Yuya Nishihara <yuya@tcha.org>
parents: 38237
diff changeset
608
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
609 def evalfuncarg(context, mapping, arg):
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
610 """Evaluate given argument as value type"""
38237
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38236
diff changeset
611 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
612
38237
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38236
diff changeset
613 def unwrapvalue(context, mapping, thing):
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38236
diff changeset
614 """Move the inner value object out of the wrapper"""
38236
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
615 if isinstance(thing, wrapped):
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
616 return thing.tovalue(context, mapping)
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
617 # 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
618 # 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
619 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
620
29827
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
621 def evalboolean(context, mapping, arg):
29828
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
622 """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
623 func, data = arg
29828
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
624 if func is runsymbol:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
625 thing = func(context, mapping, data, default=None)
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
626 if thing is None:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
627 # 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
628 thing = stringutil.parsebool(data)
29828
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
629 else:
cc11079644fc templater: make pad() evaluate boolean argument (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29827
diff changeset
630 thing = func(context, mapping, data)
38236
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
631 if isinstance(thing, wrapped):
61cecab0cc20 templater: inline unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 37502
diff changeset
632 thing = thing.tovalue(context, mapping)
29827
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
633 if isinstance(thing, bool):
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
634 return thing
034412ca28c3 templater: fix if() to not evaluate False as bool('False')
Yuya Nishihara <yuya@tcha.org>
parents: 29826
diff changeset
635 # 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
636 # 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
637 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
638
37226
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
639 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
640 """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
641 a (unixtime, offset) tuple"""
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
642 thing = evalrawexp(context, mapping, arg)
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
643 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
644
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
645 def unwrapdate(context, mapping, thing, err=None):
38237
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38236
diff changeset
646 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
647 try:
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
648 return dateutil.parsedate(thing)
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
649 except AttributeError:
67efce231633 templater: factor out function that parses argument as date tuple
Yuya Nishihara <yuya@tcha.org>
parents: 37224
diff changeset
650 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
651 except error.ParseError:
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37226
diff changeset
652 if not err:
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37226
diff changeset
653 raise
e70a90a72b80 templatefuncs: use evaldate() where seems appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37226
diff changeset
654 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
655
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
656 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
657 thing = evalrawexp(context, mapping, arg)
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
658 return unwrapinteger(context, mapping, thing, err)
37164
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37163
diff changeset
659
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
660 def unwrapinteger(context, mapping, thing, err=None):
38237
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38236
diff changeset
661 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
662 try:
37164
9ab3491f84c2 templater: extract unwrapinteger() function from evalinteger()
Yuya Nishihara <yuya@tcha.org>
parents: 37163
diff changeset
663 return int(thing)
28344
ac371d4c007f templater: drop redundant type conversion when evaluating integer argument
Yuya Nishihara <yuya@tcha.org>
parents: 28343
diff changeset
664 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
665 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
666
28348
ccedb17a5657 templater: factor out thin helper that evaluates argument as string
Yuya Nishihara <yuya@tcha.org>
parents: 28346
diff changeset
667 def evalstring(context, mapping, arg):
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
668 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
669
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
670 def evalstringliteral(context, mapping, arg):
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
671 """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
672 if it is unknown"""
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
673 func, data = arg
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
674 if func is runsymbol:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
675 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
676 else:
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
677 thing = func(context, mapping, data)
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
678 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
679
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
680 _unwrapfuncbytype = {
38237
d48b80d58848 templater: unify unwrapvalue() with _unwrapvalue()
Yuya Nishihara <yuya@tcha.org>
parents: 38236
diff changeset
681 None: unwrapvalue,
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
682 bytes: stringify,
37229
9bcf096a2da2 templatefilters: declare input type as date where appropriate
Yuya Nishihara <yuya@tcha.org>
parents: 37228
diff changeset
683 date: unwrapdate,
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
684 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
685 }
ee0d74083a22 templater: store revisions as ints so min/max won't compare them as strings
Yuya Nishihara <yuya@tcha.org>
parents: 34536
diff changeset
686
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
687 def unwrapastype(context, mapping, thing, typ):
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
688 """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
689 try:
37165
0fb28899e81a templater: factor out unwrapastype() from evalastype()
Yuya Nishihara <yuya@tcha.org>
parents: 37164
diff changeset
690 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
691 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
692 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
693 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
694
25002
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
695 def runinteger(context, mapping, data):
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
696 return int(data)
829faf8ab605 templater: tokenize decimal integer literal (issue4638) (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 25001
diff changeset
697
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
698 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
699 return data
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
700
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
701 def _recursivesymbolblocker(key):
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
702 def showrecursion(**args):
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
703 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
704 return showrecursion
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
705
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
706 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
707 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
708 if v is None:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
709 # 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
710 # 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
711 safemapping = mapping.copy()
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
712 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
713 try:
27939
7ed3a3c0cef1 templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents: 27892
diff changeset
714 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
715 except TemplateNotFound:
28373
9a9dd71e882c templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents: 28349
diff changeset
716 v = default
36475
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
717 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
718 # old templatekw: expand all keywords and resources
37073
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37071
diff changeset
719 # (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
720 props = {k: context._resources.lookup(context, mapping, k)
44757e6dad93 templater: introduce resourcemapper class
Yuya Nishihara <yuya@tcha.org>
parents: 37073
diff changeset
721 for k in context._resources.knownkeys()}
37073
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37071
diff changeset
722 # pass context to _showcompatlist() through templatekw._showlist()
1101d6747d2d templater: drop 'templ' from resources dict
Yuya Nishihara <yuya@tcha.org>
parents: 37071
diff changeset
723 props['templ'] = context
35472
32c278eb876f templater: keep default resources per template engine (API)
Yuya Nishihara <yuya@tcha.org>
parents: 35471
diff changeset
724 props.update(mapping)
35588
dadbf213a765 py3: convert dict keys' to str before passing as kwargs
Pulkit Goyal <7895pulkit@gmail.com>
parents: 35485
diff changeset
725 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
726 if callable(v):
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
727 # new templatekw
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
728 try:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
729 return v(context, mapping)
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
730 except ResourceUnavailable:
e8d37838f5df templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents: 36474
diff changeset
731 # 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
732 return None
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
733 return v
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
734
25595
a7dd6692e5cb templater: move runtemplate function out of buildmap/runmap pair
Yuya Nishihara <yuya@tcha.org>
parents: 25580
diff changeset
735 def runtemplate(context, mapping, template):
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
736 for arg in template:
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
737 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
738
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
739 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
740 arg, filt = data
37224
54355c243042 templatefilters: allow declaration of input data type
Yuya Nishihara <yuya@tcha.org>
parents: 37165
diff changeset
741 thing = evalrawexp(context, mapping, arg)
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
742 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
743 try:
37274
7d3bc1d4e871 templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents: 37233
diff changeset
744 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
745 return filt(thing)
37228
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
746 except error.ParseError as e:
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
747 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
748
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
749 def _formatfiltererror(arg, filt):
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
750 fn = pycompat.sysbytes(filt.__name__)
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
751 sym = findsymbolicname(arg)
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
752 if not sym:
920589f52be9 templater: attach hint to input-type error of runfilter()
Yuya Nishihara <yuya@tcha.org>
parents: 37227
diff changeset
753 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
754 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
755 % (fn, sym))
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
756
37399
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
757 def _iteroverlaymaps(context, origmapping, newmappings):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
758 """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
759 of partial mappings to override the original"""
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
760 for i, nm in enumerate(newmappings):
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
761 lm = context.overlaymap(origmapping, nm)
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
762 lm['index'] = i
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
763 yield lm
0b64416224d9 templater: add class representing a nested mappings
Yuya Nishihara <yuya@tcha.org>
parents: 37329
diff changeset
764
38283
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
765 def _applymap(context, mapping, d, darg, targ):
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
766 try:
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
767 diter = d.itermaps(context)
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
768 except error.ParseError as err:
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
769 sym = findsymbolicname(darg)
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
770 if not sym:
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
771 raise
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
772 hint = _("keyword '%s' does not support map operation") % sym
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
773 raise error.ParseError(bytes(err), hint=hint)
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
774 for lm in _iteroverlaymaps(context, mapping, diter):
37499
75c13343cf38 templater: wrap result of '%' operation so it never looks like a thunk
Yuya Nishihara <yuya@tcha.org>
parents: 37405
diff changeset
775 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
776
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
777 def runmap(context, mapping, data):
34333
e60c601953d7 templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents: 34332
diff changeset
778 darg, targ = data
38241
7701c2d4a438 templater: always map over a wrapped object
Yuya Nishihara <yuya@tcha.org>
parents: 38240
diff changeset
779 d = evalwrapped(context, mapping, darg)
38283
4b0f39e7406e templater: show slightly better hint on map operation error
Yuya Nishihara <yuya@tcha.org>
parents: 38282
diff changeset
780 return mappedgenerator(_applymap, args=(mapping, d, darg, targ))
13176
895f54a79c6e templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents: 13175
diff changeset
781
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
782 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
783 darg, memb = data
38252
c2456a7726c1 templater: do dict lookup over a wrapped object
Yuya Nishihara <yuya@tcha.org>
parents: 38241
diff changeset
784 d = evalwrapped(context, mapping, darg)
38296
e72697893c93 templater: promote tomap() to an interface type
Yuya Nishihara <yuya@tcha.org>
parents: 38295
diff changeset
785 if isinstance(d, mappable):
e72697893c93 templater: promote tomap() to an interface type
Yuya Nishihara <yuya@tcha.org>
parents: 38295
diff changeset
786 lm = context.overlaymap(mapping, d.tomap(context))
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
787 return runsymbol(context, lm, memb)
38253
ad06a4264daf templater: add try-except stub to runmember()
Yuya Nishihara <yuya@tcha.org>
parents: 38252
diff changeset
788 try:
38255
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38254
diff changeset
789 return d.getmember(context, mapping, memb)
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38254
diff changeset
790 except error.ParseError as err:
38253
ad06a4264daf templater: add try-except stub to runmember()
Yuya Nishihara <yuya@tcha.org>
parents: 38252
diff changeset
791 sym = findsymbolicname(darg)
38255
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38254
diff changeset
792 if not sym:
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38254
diff changeset
793 raise
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38254
diff changeset
794 hint = _("keyword '%s' does not support member operation") % sym
06d11cd90516 templater: promote getmember() to an interface of wrapped types
Yuya Nishihara <yuya@tcha.org>
parents: 38254
diff changeset
795 raise error.ParseError(bytes(err), hint=hint)
34535
78590585c0db templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents: 34534
diff changeset
796
30115
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
797 def runnegate(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
798 data = evalinteger(context, mapping, data,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
799 _('negation needs an integer argument'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
800 return -data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
801
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
802 def runarithmetic(context, mapping, data):
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
803 func, left, right = data
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
804 left = evalinteger(context, mapping, left,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
805 _('arithmetic only defined on integers'))
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
806 right = evalinteger(context, mapping, right,
8e42dfde93d1 templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents: 30083
diff changeset
807 _('arithmetic only defined on integers'))
30116
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
808 try:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
809 return func(left, right)
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
810 except ZeroDivisionError:
1c01fa29630f templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents: 30115
diff changeset
811 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
812
37325
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
813 def joinitems(itemiter, sep):
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
814 """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
815 first = True
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
816 for x in itemiter:
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
817 if first:
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
818 first = False
37326
9cd88dd3bf64 templater: micro-optimize join() with empty separator
Yuya Nishihara <yuya@tcha.org>
parents: 37325
diff changeset
819 elif sep:
37325
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
820 yield sep
41a5d815d2c1 templater: factor out generator of join()-ed items
Yuya Nishihara <yuya@tcha.org>
parents: 37324
diff changeset
821 yield x