Mercurial > hg
annotate mercurial/templateutil.py @ 37056:861e9d37e56e
wireproto: buffer output frames when in half duplex mode
Previously, when told that a response was ready, the server reactor
would instruct the caller to send frames immediately. This was OK
as an initial implementation. But it would not work for half-duplex
connections where the sender can't receive until all data has been
transmitted - such as httplib based clients.
In this commit, we teach the reactor that output frames should
be buffered until end of input is seen. This required a new
event to inform the reactor of end of input. The result from that
event will instruct the consumer to send all buffered frames.
The HTTP server is buffered by default.
This change effectively hides the complexity of buffering within
the reactor so that transports need not be concerned about it.
This helps keep the transports "dumb" and will make implementing
multiple requests-responses per atomic exchange (like an HTTP
request) much simpler.
Differential Revision: https://phab.mercurial-scm.org/D2860
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Wed, 14 Mar 2018 14:01:16 -0700 |
parents | c97b936d8bb5 |
children | aa97e06a1912 |
rev | line source |
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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 |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import types |
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11 |
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12 from .i18n import _ |
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13 from . import ( |
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14 error, |
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15 pycompat, |
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16 util, |
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17 ) |
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18 |
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19 class ResourceUnavailable(error.Abort): |
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20 pass |
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21 |
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22 class TemplateNotFound(error.Abort): |
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23 pass |
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24 |
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25 class hybrid(object): |
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26 """Wrapper for list or dict to support legacy template |
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27 |
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28 This class allows us to handle both: |
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29 - "{files}" (legacy command-line-specific list hack) and |
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30 - "{files % '{file}\n'}" (hgweb-style with inlining and function support) |
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31 and to access raw values: |
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32 - "{ifcontains(file, files, ...)}", "{ifcontains(key, extras, ...)}" |
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33 - "{get(extras, key)}" |
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34 - "{files|json}" |
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35 """ |
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36 |
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37 def __init__(self, gen, values, makemap, joinfmt, keytype=None): |
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38 if gen is not None: |
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39 self.gen = gen # generator or function returning generator |
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40 self._values = values |
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41 self._makemap = makemap |
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42 self.joinfmt = joinfmt |
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43 self.keytype = keytype # hint for 'x in y' where type(x) is unresolved |
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44 def gen(self): |
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45 """Default generator to stringify this as {join(self, ' ')}""" |
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46 for i, x in enumerate(self._values): |
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47 if i > 0: |
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48 yield ' ' |
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49 yield self.joinfmt(x) |
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50 def itermaps(self): |
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51 makemap = self._makemap |
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52 for x in self._values: |
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53 yield makemap(x) |
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54 def __contains__(self, x): |
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55 return x in self._values |
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56 def __getitem__(self, key): |
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57 return self._values[key] |
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58 def __len__(self): |
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59 return len(self._values) |
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60 def __iter__(self): |
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61 return iter(self._values) |
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62 def __getattr__(self, name): |
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63 if name not in (r'get', r'items', r'iteritems', r'iterkeys', |
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64 r'itervalues', r'keys', r'values'): |
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65 raise AttributeError(name) |
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66 return getattr(self._values, name) |
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67 |
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68 class mappable(object): |
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69 """Wrapper for non-list/dict object to support map operation |
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70 |
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71 This class allows us to handle both: |
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72 - "{manifest}" |
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73 - "{manifest % '{rev}:{node}'}" |
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74 - "{manifest.rev}" |
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75 |
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76 Unlike a hybrid, this does not simulate the behavior of the underling |
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77 value. Use unwrapvalue() or unwraphybrid() to obtain the inner object. |
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78 """ |
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79 |
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80 def __init__(self, gen, key, value, makemap): |
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81 if gen is not None: |
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82 self.gen = gen # generator or function returning generator |
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83 self._key = key |
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84 self._value = value # may be generator of strings |
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85 self._makemap = makemap |
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86 |
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87 def gen(self): |
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88 yield pycompat.bytestr(self._value) |
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89 |
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90 def tomap(self): |
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91 return self._makemap(self._key) |
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92 |
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93 def itermaps(self): |
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94 yield self.tomap() |
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95 |
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96 def hybriddict(data, key='key', value='value', fmt=None, gen=None): |
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97 """Wrap data to support both dict-like and string-like operations""" |
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98 prefmt = pycompat.identity |
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99 if fmt is None: |
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100 fmt = '%s=%s' |
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101 prefmt = pycompat.bytestr |
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102 return hybrid(gen, data, lambda k: {key: k, value: data[k]}, |
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103 lambda k: fmt % (prefmt(k), prefmt(data[k]))) |
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104 |
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105 def hybridlist(data, name, fmt=None, gen=None): |
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106 """Wrap data to support both list-like and string-like operations""" |
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107 prefmt = pycompat.identity |
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108 if fmt is None: |
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109 fmt = '%s' |
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110 prefmt = pycompat.bytestr |
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111 return hybrid(gen, data, lambda x: {name: x}, lambda x: fmt % prefmt(x)) |
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112 |
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113 def unwraphybrid(thing): |
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114 """Return an object which can be stringified possibly by using a legacy |
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115 template""" |
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116 gen = getattr(thing, 'gen', None) |
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117 if gen is None: |
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118 return thing |
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119 if callable(gen): |
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120 return gen() |
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121 return gen |
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122 |
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123 def unwrapvalue(thing): |
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124 """Move the inner value object out of the wrapper""" |
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125 if not util.safehasattr(thing, '_value'): |
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126 return thing |
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127 return thing._value |
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128 |
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129 def wraphybridvalue(container, key, value): |
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130 """Wrap an element of hybrid container to be mappable |
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131 |
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132 The key is passed to the makemap function of the given container, which |
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133 should be an item generated by iter(container). |
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134 """ |
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135 makemap = getattr(container, '_makemap', None) |
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136 if makemap is None: |
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137 return value |
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138 if util.safehasattr(value, '_makemap'): |
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139 # a nested hybrid list/dict, which has its own way of map operation |
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140 return value |
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141 return mappable(None, key, value, makemap) |
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142 |
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143 def compatdict(context, mapping, name, data, key='key', value='value', |
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144 fmt=None, plural=None, separator=' '): |
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145 """Wrap data like hybriddict(), but also supports old-style list template |
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146 |
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147 This exists for backward compatibility with the old-style template. Use |
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148 hybriddict() for new template keywords. |
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149 """ |
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150 c = [{key: k, value: v} for k, v in data.iteritems()] |
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151 t = context.resource(mapping, 'templ') |
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152 f = _showlist(name, c, t, mapping, plural, separator) |
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153 return hybriddict(data, key=key, value=value, fmt=fmt, gen=f) |
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154 |
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155 def compatlist(context, mapping, name, data, element=None, fmt=None, |
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156 plural=None, separator=' '): |
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157 """Wrap data like hybridlist(), but also supports old-style list template |
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158 |
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159 This exists for backward compatibility with the old-style template. Use |
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160 hybridlist() for new template keywords. |
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161 """ |
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162 t = context.resource(mapping, 'templ') |
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163 f = _showlist(name, data, t, mapping, plural, separator) |
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164 return hybridlist(data, name=element or name, fmt=fmt, gen=f) |
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165 |
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166 def _showlist(name, values, templ, mapping, plural=None, separator=' '): |
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167 '''expand set of values. |
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168 name is name of key in template map. |
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169 values is list of strings or dicts. |
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170 plural is plural of name, if not simply name + 's'. |
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171 separator is used to join values as a string |
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172 |
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173 expansion works like this, given name 'foo'. |
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174 |
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175 if values is empty, expand 'no_foos'. |
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176 |
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177 if 'foo' not in template map, return values as a string, |
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178 joined by 'separator'. |
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179 |
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180 expand 'start_foos'. |
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181 |
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182 for each value, expand 'foo'. if 'last_foo' in template |
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183 map, expand it instead of 'foo' for last key. |
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184 |
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185 expand 'end_foos'. |
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186 ''' |
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187 if not plural: |
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188 plural = name + 's' |
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189 if not values: |
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190 noname = 'no_' + plural |
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191 if noname in templ: |
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192 yield templ.generate(noname, mapping) |
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193 return |
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194 if name not in templ: |
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195 if isinstance(values[0], bytes): |
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196 yield separator.join(values) |
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197 else: |
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198 for v in values: |
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199 r = dict(v) |
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200 r.update(mapping) |
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201 yield r |
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202 return |
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203 startname = 'start_' + plural |
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204 if startname in templ: |
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205 yield templ.generate(startname, mapping) |
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206 vmapping = mapping.copy() |
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207 def one(v, tag=name): |
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208 try: |
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209 vmapping.update(v) |
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210 # Python 2 raises ValueError if the type of v is wrong. Python |
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211 # 3 raises TypeError. |
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212 except (AttributeError, TypeError, ValueError): |
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213 try: |
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214 # Python 2 raises ValueError trying to destructure an e.g. |
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215 # bytes. Python 3 raises TypeError. |
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216 for a, b in v: |
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217 vmapping[a] = b |
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218 except (TypeError, ValueError): |
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219 vmapping[name] = v |
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220 return templ.generate(tag, vmapping) |
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221 lastname = 'last_' + name |
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222 if lastname in templ: |
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223 last = values.pop() |
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224 else: |
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225 last = None |
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226 for v in values: |
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227 yield one(v) |
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228 if last is not None: |
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229 yield one(last, tag=lastname) |
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230 endname = 'end_' + plural |
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231 if endname in templ: |
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232 yield templ.generate(endname, mapping) |
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233 |
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234 def stringify(thing): |
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235 """Turn values into bytes by converting into text and concatenating them""" |
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236 thing = unwraphybrid(thing) |
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237 if util.safehasattr(thing, '__iter__') and not isinstance(thing, bytes): |
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238 if isinstance(thing, str): |
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239 # This is only reachable on Python 3 (otherwise |
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240 # isinstance(thing, bytes) would have been true), and is |
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241 # here to prevent infinite recursion bugs on Python 3. |
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242 raise error.ProgrammingError( |
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243 'stringify got unexpected unicode string: %r' % thing) |
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244 return "".join([stringify(t) for t in thing if t is not None]) |
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245 if thing is None: |
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246 return "" |
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247 return pycompat.bytestr(thing) |
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248 |
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249 def findsymbolicname(arg): |
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250 """Find symbolic name for the given compiled expression; returns None |
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251 if nothing found reliably""" |
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252 while True: |
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253 func, data = arg |
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254 if func is runsymbol: |
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255 return data |
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256 elif func is runfilter: |
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257 arg = data[0] |
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258 else: |
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259 return None |
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260 |
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261 def evalrawexp(context, mapping, arg): |
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262 """Evaluate given argument as a bare template object which may require |
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263 further processing (such as folding generator of strings)""" |
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264 func, data = arg |
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265 return func(context, mapping, data) |
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266 |
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267 def evalfuncarg(context, mapping, arg): |
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268 """Evaluate given argument as value type""" |
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269 thing = evalrawexp(context, mapping, arg) |
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270 thing = unwrapvalue(thing) |
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271 # evalrawexp() may return string, generator of strings or arbitrary object |
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272 # such as date tuple, but filter does not want generator. |
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273 if isinstance(thing, types.GeneratorType): |
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274 thing = stringify(thing) |
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275 return thing |
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276 |
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277 def evalboolean(context, mapping, arg): |
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278 """Evaluate given argument as boolean, but also takes boolean literals""" |
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279 func, data = arg |
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280 if func is runsymbol: |
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281 thing = func(context, mapping, data, default=None) |
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282 if thing is None: |
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283 # not a template keyword, takes as a boolean literal |
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284 thing = util.parsebool(data) |
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285 else: |
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286 thing = func(context, mapping, data) |
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287 thing = unwrapvalue(thing) |
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288 if isinstance(thing, bool): |
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289 return thing |
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290 # other objects are evaluated as strings, which means 0 is True, but |
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291 # empty dict/list should be False as they are expected to be '' |
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292 return bool(stringify(thing)) |
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293 |
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294 def evalinteger(context, mapping, arg, err=None): |
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295 v = evalfuncarg(context, mapping, arg) |
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296 try: |
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297 return int(v) |
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298 except (TypeError, ValueError): |
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299 raise error.ParseError(err or _('not an integer')) |
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300 |
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301 def evalstring(context, mapping, arg): |
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302 return stringify(evalrawexp(context, mapping, arg)) |
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303 |
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304 def evalstringliteral(context, mapping, arg): |
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305 """Evaluate given argument as string template, but returns symbol name |
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306 if it is unknown""" |
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307 func, data = arg |
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308 if func is runsymbol: |
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309 thing = func(context, mapping, data, default=data) |
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310 else: |
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311 thing = func(context, mapping, data) |
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312 return stringify(thing) |
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313 |
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314 _evalfuncbytype = { |
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315 bool: evalboolean, |
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316 bytes: evalstring, |
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317 int: evalinteger, |
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318 } |
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319 |
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320 def evalastype(context, mapping, arg, typ): |
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321 """Evaluate given argument and coerce its type""" |
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322 try: |
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323 f = _evalfuncbytype[typ] |
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324 except KeyError: |
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325 raise error.ProgrammingError('invalid type specified: %r' % typ) |
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326 return f(context, mapping, arg) |
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327 |
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328 def runinteger(context, mapping, data): |
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329 return int(data) |
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330 |
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331 def runstring(context, mapping, data): |
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332 return data |
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templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
333 |
27939
7ed3a3c0cef1
templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents:
27892
diff
changeset
|
334 def _recursivesymbolblocker(key): |
7ed3a3c0cef1
templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents:
27892
diff
changeset
|
335 def showrecursion(**args): |
7ed3a3c0cef1
templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents:
27892
diff
changeset
|
336 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
|
337 return showrecursion |
7ed3a3c0cef1
templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents:
27892
diff
changeset
|
338 |
28373
9a9dd71e882c
templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents:
28349
diff
changeset
|
339 def runsymbol(context, mapping, key, default=''): |
35467
d6cfa722b044
templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
340 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
|
341 if v is None: |
27939
7ed3a3c0cef1
templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents:
27892
diff
changeset
|
342 # 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
|
343 # 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
|
344 safemapping = mapping.copy() |
7ed3a3c0cef1
templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents:
27892
diff
changeset
|
345 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
|
346 try: |
27939
7ed3a3c0cef1
templater: abort if infinite recursion detected while evaluation (issue4758)
Yuya Nishihara <yuya@tcha.org>
parents:
27892
diff
changeset
|
347 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
|
348 except TemplateNotFound: |
28373
9a9dd71e882c
templater: make label() take unknown symbol as color literal
Yuya Nishihara <yuya@tcha.org>
parents:
28349
diff
changeset
|
349 v = default |
36445
e8d37838f5df
templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents:
36444
diff
changeset
|
350 if callable(v) and getattr(v, '_requires', None) is None: |
e8d37838f5df
templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents:
36444
diff
changeset
|
351 # old templatekw: expand all keywords and resources |
36982
255f635c3204
templater: convert resources to a table of callables for future extension
Yuya Nishihara <yuya@tcha.org>
parents:
36921
diff
changeset
|
352 props = {k: f(context, mapping, k) |
255f635c3204
templater: convert resources to a table of callables for future extension
Yuya Nishihara <yuya@tcha.org>
parents:
36921
diff
changeset
|
353 for k, f in context._resources.items()} |
35468
32c278eb876f
templater: keep default resources per template engine (API)
Yuya Nishihara <yuya@tcha.org>
parents:
35467
diff
changeset
|
354 props.update(mapping) |
35588
dadbf213a765
py3: convert dict keys' to str before passing as kwargs
Pulkit Goyal <7895pulkit@gmail.com>
parents:
35481
diff
changeset
|
355 return v(**pycompat.strkwargs(props)) |
36445
e8d37838f5df
templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents:
36444
diff
changeset
|
356 if callable(v): |
e8d37838f5df
templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents:
36444
diff
changeset
|
357 # new templatekw |
e8d37838f5df
templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents:
36444
diff
changeset
|
358 try: |
e8d37838f5df
templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents:
36444
diff
changeset
|
359 return v(context, mapping) |
e8d37838f5df
templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents:
36444
diff
changeset
|
360 except ResourceUnavailable: |
e8d37838f5df
templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents:
36444
diff
changeset
|
361 # unsupported keyword is mapped to empty just like unknown keyword |
e8d37838f5df
templatekw: add 'requires' flag to switch to exception-safe interface
Yuya Nishihara <yuya@tcha.org>
parents:
36444
diff
changeset
|
362 return None |
13176
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
363 return v |
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
364 |
25595
a7dd6692e5cb
templater: move runtemplate function out of buildmap/runmap pair
Yuya Nishihara <yuya@tcha.org>
parents:
25580
diff
changeset
|
365 def runtemplate(context, mapping, template): |
34326
e60c601953d7
templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents:
34325
diff
changeset
|
366 for arg in template: |
e60c601953d7
templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents:
34325
diff
changeset
|
367 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
|
368 |
13176
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
369 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
|
370 arg, filt = data |
c990afab2243
templater: drop unneeded destructuring of argument tuple at buildfilter
Yuya Nishihara <yuya@tcha.org>
parents:
26124
diff
changeset
|
371 thing = evalfuncarg(context, mapping, arg) |
17383
099c778ceb33
templater: abort when a template filter raises an exception (issue2987)
Neil Kodner <neilk@fb.com>
parents:
17334
diff
changeset
|
372 try: |
24280
6c55e37ba5f2
templater: allow piping generator-type function output to filters
Yuya Nishihara <yuya@tcha.org>
parents:
24240
diff
changeset
|
373 return filt(thing) |
17383
099c778ceb33
templater: abort when a template filter raises an exception (issue2987)
Neil Kodner <neilk@fb.com>
parents:
17334
diff
changeset
|
374 except (ValueError, AttributeError, TypeError): |
31927
2abc556dbe92
templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents:
31926
diff
changeset
|
375 sym = findsymbolicname(arg) |
2abc556dbe92
templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents:
31926
diff
changeset
|
376 if sym: |
2abc556dbe92
templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents:
31926
diff
changeset
|
377 msg = (_("template filter '%s' is not compatible with keyword '%s'") |
34838
d3ea6a1c798f
templater: use pycompat.sysbytes to bytes-ify some __name__ attrs
Augie Fackler <augie@google.com>
parents:
34808
diff
changeset
|
378 % (pycompat.sysbytes(filt.__name__), sym)) |
17383
099c778ceb33
templater: abort when a template filter raises an exception (issue2987)
Neil Kodner <neilk@fb.com>
parents:
17334
diff
changeset
|
379 else: |
34838
d3ea6a1c798f
templater: use pycompat.sysbytes to bytes-ify some __name__ attrs
Augie Fackler <augie@google.com>
parents:
34808
diff
changeset
|
380 msg = (_("incompatible use of template filter '%s'") |
d3ea6a1c798f
templater: use pycompat.sysbytes to bytes-ify some __name__ attrs
Augie Fackler <augie@google.com>
parents:
34808
diff
changeset
|
381 % pycompat.sysbytes(filt.__name__)) |
31927
2abc556dbe92
templater: find keyword name more thoroughly on filtering error
Yuya Nishihara <yuya@tcha.org>
parents:
31926
diff
changeset
|
382 raise error.Abort(msg) |
13176
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
383 |
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
384 def runmap(context, mapping, data): |
34326
e60c601953d7
templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents:
34325
diff
changeset
|
385 darg, targ = data |
e60c601953d7
templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents:
34325
diff
changeset
|
386 d = evalrawexp(context, mapping, darg) |
27891
ac8c0ee5c3b8
templater: make _hybrid not callable to avoid conflicting semantics
Yuya Nishihara <yuya@tcha.org>
parents:
27637
diff
changeset
|
387 if util.safehasattr(d, 'itermaps'): |
28349
7cb2f2438f85
templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents:
28348
diff
changeset
|
388 diter = d.itermaps() |
7cb2f2438f85
templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents:
28348
diff
changeset
|
389 else: |
7cb2f2438f85
templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents:
28348
diff
changeset
|
390 try: |
7cb2f2438f85
templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents:
28348
diff
changeset
|
391 diter = iter(d) |
7cb2f2438f85
templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents:
28348
diff
changeset
|
392 except TypeError: |
34326
e60c601953d7
templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents:
34325
diff
changeset
|
393 sym = findsymbolicname(darg) |
34324
e473f482b9b3
templater: use helper function to get name of non-iterable keyword
Yuya Nishihara <yuya@tcha.org>
parents:
34287
diff
changeset
|
394 if sym: |
e473f482b9b3
templater: use helper function to get name of non-iterable keyword
Yuya Nishihara <yuya@tcha.org>
parents:
34287
diff
changeset
|
395 raise error.ParseError(_("keyword '%s' is not iterable") % sym) |
28349
7cb2f2438f85
templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents:
28348
diff
changeset
|
396 else: |
7cb2f2438f85
templater: handle exception when applying map operator to non-iterable object
Yuya Nishihara <yuya@tcha.org>
parents:
28348
diff
changeset
|
397 raise error.ParseError(_("%r is not iterable") % d) |
17631
0b241d7a8c62
templating: make new-style templating features work with command line lists
Matt Mackall <mpm@selenic.com>
parents:
17383
diff
changeset
|
398 |
31807
e6eb86b154c5
templater: provide loop counter as "index" keyword
Yuya Nishihara <yuya@tcha.org>
parents:
31806
diff
changeset
|
399 for i, v in enumerate(diter): |
28225
5c11702fe2a3
templater: fix list templating bug
Kostia Balytskyi <ikostia@fb.com>
parents:
28178
diff
changeset
|
400 lm = mapping.copy() |
31807
e6eb86b154c5
templater: provide loop counter as "index" keyword
Yuya Nishihara <yuya@tcha.org>
parents:
31806
diff
changeset
|
401 lm['index'] = i |
31806
8f203b491bb5
templater: rename variable "i" to "v" in runmap()
Yuya Nishihara <yuya@tcha.org>
parents:
31521
diff
changeset
|
402 if isinstance(v, dict): |
8f203b491bb5
templater: rename variable "i" to "v" in runmap()
Yuya Nishihara <yuya@tcha.org>
parents:
31521
diff
changeset
|
403 lm.update(v) |
17991
d605a82cf189
hgweb: display diff for a changeset against any parents (issue2810)
Weiwen <weiwen@fb.com>
parents:
17982
diff
changeset
|
404 lm['originalnode'] = mapping.get('node') |
34326
e60c601953d7
templater: extract helper to just evaluate template expression
Yuya Nishihara <yuya@tcha.org>
parents:
34325
diff
changeset
|
405 yield evalrawexp(context, lm, targ) |
13176
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
406 else: |
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
407 # v is not an iterable of dicts, this happen when 'key' |
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
408 # has been fully expanded already and format is useless. |
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
409 # If so, return the expanded value. |
31806
8f203b491bb5
templater: rename variable "i" to "v" in runmap()
Yuya Nishihara <yuya@tcha.org>
parents:
31521
diff
changeset
|
410 yield v |
13176
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
411 |
34535
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
412 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
|
413 darg, memb = data |
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
414 d = evalrawexp(context, mapping, darg) |
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
415 if util.safehasattr(d, 'tomap'): |
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
416 lm = mapping.copy() |
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
417 lm.update(d.tomap()) |
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
418 return runsymbol(context, lm, memb) |
34536
4c1cfe54c08d
templater: extend dot operator as a short for get(dict, key)
Yuya Nishihara <yuya@tcha.org>
parents:
34535
diff
changeset
|
419 if util.safehasattr(d, 'get'): |
36913
da2977e674a3
templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36912
diff
changeset
|
420 return getdictitem(d, memb) |
34535
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
421 |
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
422 sym = findsymbolicname(darg) |
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
423 if sym: |
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
424 raise error.ParseError(_("keyword '%s' has no member") % sym) |
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
425 else: |
36545
ab7f86a748e6
py3: drop b'' from error message generated by templater.runmember()
Yuya Nishihara <yuya@tcha.org>
parents:
36544
diff
changeset
|
426 raise error.ParseError(_("%r has no member") % pycompat.bytestr(d)) |
34535
78590585c0db
templater: add dot operator to easily access a sub item
Yuya Nishihara <yuya@tcha.org>
parents:
34534
diff
changeset
|
427 |
30115
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
428 def runnegate(context, mapping, data): |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
429 data = evalinteger(context, mapping, data, |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
430 _('negation needs an integer argument')) |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
431 return -data |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
432 |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
433 def runarithmetic(context, mapping, data): |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
434 func, left, right = data |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
435 left = evalinteger(context, mapping, left, |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
436 _('arithmetic only defined on integers')) |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
437 right = evalinteger(context, mapping, right, |
8e42dfde93d1
templater: provide arithmetic operations on integers
Simon Farnsworth <simonfar@fb.com>
parents:
30083
diff
changeset
|
438 _('arithmetic only defined on integers')) |
30116
1c01fa29630f
templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents:
30115
diff
changeset
|
439 try: |
1c01fa29630f
templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents:
30115
diff
changeset
|
440 return func(left, right) |
1c01fa29630f
templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents:
30115
diff
changeset
|
441 except ZeroDivisionError: |
1c01fa29630f
templater: handle division by zero in arithmetic
Simon Farnsworth <simonfar@fb.com>
parents:
30115
diff
changeset
|
442 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
|
443 |
36913
da2977e674a3
templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36912
diff
changeset
|
444 def getdictitem(dictarg, key): |
34534
b3073e175c17
templater: wrap get/min/max result so map operation can apply to element
Yuya Nishihara <yuya@tcha.org>
parents:
34458
diff
changeset
|
445 val = dictarg.get(key) |
b3073e175c17
templater: wrap get/min/max result so map operation can apply to element
Yuya Nishihara <yuya@tcha.org>
parents:
34458
diff
changeset
|
446 if val is None: |
b3073e175c17
templater: wrap get/min/max result so map operation can apply to element
Yuya Nishihara <yuya@tcha.org>
parents:
34458
diff
changeset
|
447 return |
36921
32f9b7e3f056
templater: move hybrid class and functions to templateutil module
Yuya Nishihara <yuya@tcha.org>
parents:
36920
diff
changeset
|
448 return wraphybridvalue(dictarg, key, val) |