Mercurial > hg
annotate mercurial/templater.py @ 45796:e9555305c5c6
templates: include all non-branch namespaces in default one-line summary
I left out branches and custom namespaces on purpose from D9252
because I figured that people like us (Google) who have custom
namespaces can also have custom configs. However, I just realized that
this makes everyone with the topic extension lose the topic they've
had in rebase output for a long time (ever since someone was nice
enough to add it in D741). Sorry about the churn.
The more generic template couldn't easily keep the "log.bookmark"
label in the template because the namespace is called "bookmarks"
(plural). That means that we can't be compatible with users' existing
configs for "log.bookmark", so I decided to change the labels to be in
a brand-new "oneline-summary" namespace.
Differential Revision: https://phab.mercurial-scm.org/D9262
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Thu, 29 Oct 2020 09:03:08 -0700 |
parents | 0fc8b066928a |
children | 18489e26d9a0 |
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1 # templater.py - template expansion for output |
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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 """Slightly complicated template engine for commands and hgweb |
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9 |
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10 This module provides low-level interface to the template engine. See the |
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11 formatter and cmdutil modules if you are looking for high-level functions |
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12 such as ``cmdutil.rendertemplate(ctx, tmpl)``. |
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13 |
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14 Internal Data Types |
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15 ------------------- |
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16 |
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17 Template keywords and functions take a dictionary of current symbols and |
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18 resources (a "mapping") and return result. Inputs and outputs must be one |
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19 of the following data types: |
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20 |
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21 bytes |
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22 a byte string, which is generally a human-readable text in local encoding. |
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23 |
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24 generator |
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25 a lazily-evaluated byte string, which is a possibly nested generator of |
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26 values of any printable types, and will be folded by ``stringify()`` |
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27 or ``flatten()``. |
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28 |
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29 None |
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30 sometimes represents an empty value, which can be stringified to ''. |
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31 |
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32 True, False, int, float |
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33 can be stringified as such. |
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34 |
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35 wrappedbytes, wrappedvalue |
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36 a wrapper for the above printable types. |
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37 |
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38 date |
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39 represents a (unixtime, offset) tuple. |
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40 |
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41 hybrid |
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42 represents a list/dict of printable values, which can also be converted |
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43 to mappings by % operator. |
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44 |
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45 hybriditem |
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46 represents a scalar printable value, also supports % operator. |
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47 |
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48 revslist |
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49 represents a list of revision numbers. |
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50 |
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51 mappinggenerator, mappinglist |
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52 represents mappings (i.e. a list of dicts), which may have default |
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53 output format. |
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54 |
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55 mappingdict |
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56 represents a single mapping (i.e. a dict), which may have default output |
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57 format. |
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58 |
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59 mappingnone |
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60 represents None of Optional[mappable], which will be mapped to an empty |
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61 string by % operation. |
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62 |
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63 mappedgenerator |
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64 a lazily-evaluated list of byte strings, which is e.g. a result of % |
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65 operation. |
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66 """ |
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67 |
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68 from __future__ import absolute_import, print_function |
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69 |
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70 import abc |
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71 import os |
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72 |
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73 from .i18n import _ |
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74 from .pycompat import getattr |
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75 from . import ( |
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76 config, |
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77 encoding, |
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78 error, |
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79 parser, |
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80 pycompat, |
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81 templatefilters, |
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82 templatefuncs, |
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83 templateutil, |
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84 util, |
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85 ) |
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86 from .utils import ( |
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87 resourceutil, |
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88 stringutil, |
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89 ) |
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90 |
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91 # template parsing |
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92 |
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93 elements = { |
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94 # token-type: binding-strength, primary, prefix, infix, suffix |
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95 b"(": (20, None, (b"group", 1, b")"), (b"func", 1, b")"), None), |
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96 b".": (18, None, None, (b".", 18), None), |
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97 b"%": (15, None, None, (b"%", 15), None), |
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98 b"|": (15, None, None, (b"|", 15), None), |
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99 b"*": (5, None, None, (b"*", 5), None), |
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100 b"/": (5, None, None, (b"/", 5), None), |
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101 b"+": (4, None, None, (b"+", 4), None), |
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102 b"-": (4, None, (b"negate", 19), (b"-", 4), None), |
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103 b"=": (3, None, None, (b"keyvalue", 3), None), |
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104 b",": (2, None, None, (b"list", 2), None), |
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105 b")": (0, None, None, None, None), |
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106 b"integer": (0, b"integer", None, None, None), |
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107 b"symbol": (0, b"symbol", None, None, None), |
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108 b"string": (0, b"string", None, None, None), |
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109 b"template": (0, b"template", None, None, None), |
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110 b"end": (0, None, None, None, None), |
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111 } |
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112 |
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113 |
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114 def tokenize(program, start, end, term=None): |
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115 """Parse a template expression into a stream of tokens, which must end |
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116 with term if specified""" |
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117 pos = start |
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118 program = pycompat.bytestr(program) |
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119 while pos < end: |
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120 c = program[pos] |
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121 if c.isspace(): # skip inter-token whitespace |
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122 pass |
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123 elif c in b"(=,).%|+-*/": # handle simple operators |
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124 yield (c, None, pos) |
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125 elif c in b'"\'': # handle quoted templates |
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126 s = pos + 1 |
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127 data, pos = _parsetemplate(program, s, end, c) |
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128 yield (b'template', data, s) |
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129 pos -= 1 |
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130 elif c == b'r' and program[pos : pos + 2] in (b"r'", b'r"'): |
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131 # handle quoted strings |
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132 c = program[pos + 1] |
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133 s = pos = pos + 2 |
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134 while pos < end: # find closing quote |
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135 d = program[pos] |
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136 if d == b'\\': # skip over escaped characters |
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137 pos += 2 |
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138 continue |
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139 if d == c: |
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140 yield (b'string', program[s:pos], s) |
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141 break |
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142 pos += 1 |
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143 else: |
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144 raise error.ParseError(_(b"unterminated string"), s) |
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145 elif c.isdigit(): |
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146 s = pos |
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147 while pos < end: |
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148 d = program[pos] |
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149 if not d.isdigit(): |
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150 break |
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151 pos += 1 |
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152 yield (b'integer', program[s:pos], s) |
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153 pos -= 1 |
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154 elif ( |
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155 c == b'\\' |
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156 and program[pos : pos + 2] in (br"\'", br'\"') |
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157 or c == b'r' |
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158 and program[pos : pos + 3] in (br"r\'", br'r\"') |
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159 ): |
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160 # handle escaped quoted strings for compatibility with 2.9.2-3.4, |
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161 # where some of nested templates were preprocessed as strings and |
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162 # then compiled. therefore, \"...\" was allowed. (issue4733) |
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163 # |
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164 # processing flow of _evalifliteral() at 5ab28a2e9962: |
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165 # outer template string -> stringify() -> compiletemplate() |
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166 # ------------------------ ------------ ------------------ |
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167 # {f("\\\\ {g(\"\\\"\")}"} \\ {g("\"")} [r'\\', {g("\"")}] |
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168 # ~~~~~~~~ |
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169 # escaped quoted string |
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170 if c == b'r': |
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171 pos += 1 |
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172 token = b'string' |
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173 else: |
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174 token = b'template' |
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175 quote = program[pos : pos + 2] |
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176 s = pos = pos + 2 |
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177 while pos < end: # find closing escaped quote |
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178 if program.startswith(b'\\\\\\', pos, end): |
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179 pos += 4 # skip over double escaped characters |
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180 continue |
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181 if program.startswith(quote, pos, end): |
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182 # interpret as if it were a part of an outer string |
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183 data = parser.unescapestr(program[s:pos]) |
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184 if token == b'template': |
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185 data = _parsetemplate(data, 0, len(data))[0] |
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186 yield (token, data, s) |
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187 pos += 1 |
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188 break |
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189 pos += 1 |
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190 else: |
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191 raise error.ParseError(_(b"unterminated string"), s) |
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192 elif c.isalnum() or c in b'_': |
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193 s = pos |
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194 pos += 1 |
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195 while pos < end: # find end of symbol |
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196 d = program[pos] |
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197 if not (d.isalnum() or d == b"_"): |
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198 break |
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199 pos += 1 |
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200 sym = program[s:pos] |
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201 yield (b'symbol', sym, s) |
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202 pos -= 1 |
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203 elif c == term: |
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204 yield (b'end', None, pos) |
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205 return |
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206 else: |
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207 raise error.ParseError(_(b"syntax error"), pos) |
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208 pos += 1 |
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209 if term: |
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210 raise error.ParseError(_(b"unterminated template expansion"), start) |
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211 yield (b'end', None, pos) |
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212 |
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213 |
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214 def _parsetemplate(tmpl, start, stop, quote=b''): |
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215 r""" |
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216 >>> _parsetemplate(b'foo{bar}"baz', 0, 12) |
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217 ([('string', 'foo'), ('symbol', 'bar'), ('string', '"baz')], 12) |
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218 >>> _parsetemplate(b'foo{bar}"baz', 0, 12, quote=b'"') |
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219 ([('string', 'foo'), ('symbol', 'bar')], 9) |
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220 >>> _parsetemplate(b'foo"{bar}', 0, 9, quote=b'"') |
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221 ([('string', 'foo')], 4) |
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222 >>> _parsetemplate(br'foo\"bar"baz', 0, 12, quote=b'"') |
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223 ([('string', 'foo"'), ('string', 'bar')], 9) |
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224 >>> _parsetemplate(br'foo\\"bar', 0, 10, quote=b'"') |
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225 ([('string', 'foo\\')], 6) |
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226 """ |
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227 parsed = [] |
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228 for typ, val, pos in _scantemplate(tmpl, start, stop, quote): |
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229 if typ == b'string': |
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230 parsed.append((typ, val)) |
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231 elif typ == b'template': |
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232 parsed.append(val) |
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233 elif typ == b'end': |
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234 return parsed, pos |
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235 else: |
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236 raise error.ProgrammingError(b'unexpected type: %s' % typ) |
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237 raise error.ProgrammingError(b'unterminated scanning of template') |
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238 |
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239 |
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240 def scantemplate(tmpl, raw=False): |
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241 r"""Scan (type, start, end) positions of outermost elements in template |
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242 |
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243 If raw=True, a backslash is not taken as an escape character just like |
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244 r'' string in Python. Note that this is different from r'' literal in |
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245 template in that no template fragment can appear in r'', e.g. r'{foo}' |
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246 is a literal '{foo}', but ('{foo}', raw=True) is a template expression |
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247 'foo'. |
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248 |
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249 >>> list(scantemplate(b'foo{bar}"baz')) |
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250 [('string', 0, 3), ('template', 3, 8), ('string', 8, 12)] |
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251 >>> list(scantemplate(b'outer{"inner"}outer')) |
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252 [('string', 0, 5), ('template', 5, 14), ('string', 14, 19)] |
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253 >>> list(scantemplate(b'foo\\{escaped}')) |
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254 [('string', 0, 5), ('string', 5, 13)] |
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255 >>> list(scantemplate(b'foo\\{escaped}', raw=True)) |
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256 [('string', 0, 4), ('template', 4, 13)] |
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257 """ |
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258 last = None |
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259 for typ, val, pos in _scantemplate(tmpl, 0, len(tmpl), raw=raw): |
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260 if last: |
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261 yield last + (pos,) |
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262 if typ == b'end': |
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263 return |
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264 else: |
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265 last = (typ, pos) |
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266 raise error.ProgrammingError(b'unterminated scanning of template') |
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267 |
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268 |
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269 def _scantemplate(tmpl, start, stop, quote=b'', raw=False): |
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270 """Parse template string into chunks of strings and template expressions""" |
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271 sepchars = b'{' + quote |
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272 unescape = [parser.unescapestr, pycompat.identity][raw] |
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273 pos = start |
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274 p = parser.parser(elements) |
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275 try: |
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276 while pos < stop: |
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277 n = min( |
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278 (tmpl.find(c, pos, stop) for c in pycompat.bytestr(sepchars)), |
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279 key=lambda n: (n < 0, n), |
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280 ) |
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281 if n < 0: |
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282 yield (b'string', unescape(tmpl[pos:stop]), pos) |
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283 pos = stop |
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284 break |
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285 c = tmpl[n : n + 1] |
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286 bs = 0 # count leading backslashes |
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287 if not raw: |
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288 bs = (n - pos) - len(tmpl[pos:n].rstrip(b'\\')) |
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289 if bs % 2 == 1: |
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290 # escaped (e.g. '\{', '\\\{', but not '\\{') |
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291 yield (b'string', unescape(tmpl[pos : n - 1]) + c, pos) |
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292 pos = n + 1 |
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293 continue |
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294 if n > pos: |
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295 yield (b'string', unescape(tmpl[pos:n]), pos) |
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296 if c == quote: |
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297 yield (b'end', None, n + 1) |
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298 return |
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299 |
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300 parseres, pos = p.parse(tokenize(tmpl, n + 1, stop, b'}')) |
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301 if not tmpl.startswith(b'}', pos): |
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302 raise error.ParseError(_(b"invalid token"), pos) |
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303 yield (b'template', parseres, n) |
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304 pos += 1 |
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305 |
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306 if quote: |
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307 raise error.ParseError(_(b"unterminated string"), start) |
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308 except error.ParseError as inst: |
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309 _addparseerrorhint(inst, tmpl) |
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310 raise |
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311 yield (b'end', None, pos) |
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312 |
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313 |
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314 def _addparseerrorhint(inst, tmpl): |
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315 if inst.location is None: |
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316 return |
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317 loc = inst.location |
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318 # Offset the caret location by the number of newlines before the |
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319 # location of the error, since we will replace one-char newlines |
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320 # with the two-char literal r'\n'. |
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321 offset = tmpl[:loc].count(b'\n') |
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322 tmpl = tmpl.replace(b'\n', br'\n') |
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323 # We want the caret to point to the place in the template that |
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324 # failed to parse, but in a hint we get a open paren at the |
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325 # start. Therefore, we print "loc + 1" spaces (instead of "loc") |
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326 # to line up the caret with the location of the error. |
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327 inst.hint = tmpl + b'\n' + b' ' * (loc + 1 + offset) + b'^ ' + _(b'here') |
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328 |
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329 |
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330 def _unnesttemplatelist(tree): |
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331 """Expand list of templates to node tuple |
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332 |
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333 >>> def f(tree): |
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334 ... print(pycompat.sysstr(prettyformat(_unnesttemplatelist(tree)))) |
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335 >>> f((b'template', [])) |
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336 (string '') |
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337 >>> f((b'template', [(b'string', b'foo')])) |
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338 (string 'foo') |
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339 >>> f((b'template', [(b'string', b'foo'), (b'symbol', b'rev')])) |
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340 (template |
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341 (string 'foo') |
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342 (symbol 'rev')) |
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343 >>> f((b'template', [(b'symbol', b'rev')])) # template(rev) -> str |
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344 (template |
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345 (symbol 'rev')) |
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346 >>> f((b'template', [(b'template', [(b'string', b'foo')])])) |
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347 (string 'foo') |
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348 """ |
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349 if not isinstance(tree, tuple): |
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350 return tree |
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351 op = tree[0] |
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352 if op != b'template': |
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353 return (op,) + tuple(_unnesttemplatelist(x) for x in tree[1:]) |
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354 |
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355 assert len(tree) == 2 |
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356 xs = tuple(_unnesttemplatelist(x) for x in tree[1]) |
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357 if not xs: |
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358 return (b'string', b'') # empty template "" |
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359 elif len(xs) == 1 and xs[0][0] == b'string': |
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360 return xs[0] # fast path for string with no template fragment "x" |
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361 else: |
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362 return (op,) + xs |
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363 |
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364 |
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365 def parse(tmpl): |
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366 """Parse template string into tree""" |
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367 parsed, pos = _parsetemplate(tmpl, 0, len(tmpl)) |
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368 assert pos == len(tmpl), b'unquoted template should be consumed' |
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369 return _unnesttemplatelist((b'template', parsed)) |
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370 |
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371 |
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372 def parseexpr(expr): |
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373 """Parse a template expression into tree |
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374 |
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375 >>> parseexpr(b'"foo"') |
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376 ('string', 'foo') |
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377 >>> parseexpr(b'foo(bar)') |
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378 ('func', ('symbol', 'foo'), ('symbol', 'bar')) |
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379 >>> parseexpr(b'foo(') |
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380 Traceback (most recent call last): |
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381 ... |
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382 ParseError: ('not a prefix: end', 4) |
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383 >>> parseexpr(b'"foo" "bar"') |
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384 Traceback (most recent call last): |
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385 ... |
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386 ParseError: ('invalid token', 7) |
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387 """ |
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388 try: |
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389 return _parseexpr(expr) |
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390 except error.ParseError as inst: |
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391 _addparseerrorhint(inst, expr) |
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392 raise |
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393 |
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394 |
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395 def _parseexpr(expr): |
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396 p = parser.parser(elements) |
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397 tree, pos = p.parse(tokenize(expr, 0, len(expr))) |
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398 if pos != len(expr): |
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399 raise error.ParseError(_(b'invalid token'), pos) |
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400 return _unnesttemplatelist(tree) |
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401 |
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402 |
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403 def prettyformat(tree): |
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404 return parser.prettyformat(tree, (b'integer', b'string', b'symbol')) |
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405 |
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406 |
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407 def compileexp(exp, context, curmethods): |
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408 """Compile parsed template tree to (func, data) pair""" |
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409 if not exp: |
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410 raise error.ParseError(_(b"missing argument")) |
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411 t = exp[0] |
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412 return curmethods[t](exp, context) |
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413 |
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414 |
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415 # template evaluation |
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416 |
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417 |
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418 def getsymbol(exp): |
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419 if exp[0] == b'symbol': |
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420 return exp[1] |
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421 raise error.ParseError(_(b"expected a symbol, got '%s'") % exp[0]) |
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422 |
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423 |
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424 def getlist(x): |
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425 if not x: |
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426 return [] |
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427 if x[0] == b'list': |
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428 return getlist(x[1]) + [x[2]] |
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429 return [x] |
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430 |
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431 |
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432 def gettemplate(exp, context): |
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433 """Compile given template tree or load named template from map file; |
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434 returns (func, data) pair""" |
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435 if exp[0] in (b'template', b'string'): |
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436 return compileexp(exp, context, methods) |
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437 if exp[0] == b'symbol': |
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438 # unlike runsymbol(), here 'symbol' is always taken as template name |
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439 # even if it exists in mapping. this allows us to override mapping |
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440 # by web templates, e.g. 'changelogtag' is redefined in map file. |
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441 return context._load(exp[1]) |
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442 raise error.ParseError(_(b"expected template specifier")) |
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443 |
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444 |
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445 def _runrecursivesymbol(context, mapping, key): |
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446 raise error.Abort(_(b"recursive reference '%s' in template") % key) |
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447 |
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448 |
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449 def buildtemplate(exp, context): |
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450 ctmpl = [compileexp(e, context, methods) for e in exp[1:]] |
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451 return (templateutil.runtemplate, ctmpl) |
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452 |
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453 |
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454 def buildfilter(exp, context): |
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455 n = getsymbol(exp[2]) |
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456 if n in context._filters: |
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457 filt = context._filters[n] |
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458 arg = compileexp(exp[1], context, methods) |
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459 return (templateutil.runfilter, (arg, filt)) |
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460 if n in context._funcs: |
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461 f = context._funcs[n] |
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462 args = _buildfuncargs(exp[1], context, methods, n, f._argspec) |
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463 return (f, args) |
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464 raise error.ParseError(_(b"unknown function '%s'") % n) |
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465 |
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466 |
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467 def buildmap(exp, context): |
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468 darg = compileexp(exp[1], context, methods) |
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469 targ = gettemplate(exp[2], context) |
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470 return (templateutil.runmap, (darg, targ)) |
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471 |
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472 |
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473 def buildmember(exp, context): |
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474 darg = compileexp(exp[1], context, methods) |
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475 memb = getsymbol(exp[2]) |
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476 return (templateutil.runmember, (darg, memb)) |
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477 |
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478 |
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479 def buildnegate(exp, context): |
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480 arg = compileexp(exp[1], context, exprmethods) |
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481 return (templateutil.runnegate, arg) |
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482 |
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483 |
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484 def buildarithmetic(exp, context, func): |
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485 left = compileexp(exp[1], context, exprmethods) |
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486 right = compileexp(exp[2], context, exprmethods) |
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487 return (templateutil.runarithmetic, (func, left, right)) |
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488 |
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489 |
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490 def buildfunc(exp, context): |
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491 n = getsymbol(exp[1]) |
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492 if n in context._funcs: |
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493 f = context._funcs[n] |
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494 args = _buildfuncargs(exp[2], context, exprmethods, n, f._argspec) |
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495 return (f, args) |
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496 if n in context._filters: |
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497 args = _buildfuncargs(exp[2], context, exprmethods, n, argspec=None) |
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498 if len(args) != 1: |
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499 raise error.ParseError(_(b"filter %s expects one argument") % n) |
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500 f = context._filters[n] |
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501 return (templateutil.runfilter, (args[0], f)) |
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502 raise error.ParseError(_(b"unknown function '%s'") % n) |
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503 |
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504 |
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505 def _buildfuncargs(exp, context, curmethods, funcname, argspec): |
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506 """Compile parsed tree of function arguments into list or dict of |
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507 (func, data) pairs |
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508 |
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509 >>> context = engine(lambda t: (templateutil.runsymbol, t)) |
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510 >>> def fargs(expr, argspec): |
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511 ... x = _parseexpr(expr) |
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512 ... n = getsymbol(x[1]) |
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513 ... return _buildfuncargs(x[2], context, exprmethods, n, argspec) |
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514 >>> list(fargs(b'a(l=1, k=2)', b'k l m').keys()) |
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515 ['l', 'k'] |
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516 >>> args = fargs(b'a(opts=1, k=2)', b'**opts') |
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517 >>> list(args.keys()), list(args[b'opts'].keys()) |
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518 (['opts'], ['opts', 'k']) |
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519 """ |
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520 |
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521 def compiledict(xs): |
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522 return util.sortdict( |
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523 (k, compileexp(x, context, curmethods)) |
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524 for k, x in pycompat.iteritems(xs) |
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525 ) |
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526 |
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527 def compilelist(xs): |
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528 return [compileexp(x, context, curmethods) for x in xs] |
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529 |
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530 if not argspec: |
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531 # filter or function with no argspec: return list of positional args |
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532 return compilelist(getlist(exp)) |
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533 |
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534 # function with argspec: return dict of named args |
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535 _poskeys, varkey, _keys, optkey = argspec = parser.splitargspec(argspec) |
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536 treeargs = parser.buildargsdict( |
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537 getlist(exp), |
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538 funcname, |
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539 argspec, |
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540 keyvaluenode=b'keyvalue', |
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541 keynode=b'symbol', |
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542 ) |
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543 compargs = util.sortdict() |
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544 if varkey: |
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545 compargs[varkey] = compilelist(treeargs.pop(varkey)) |
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546 if optkey: |
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547 compargs[optkey] = compiledict(treeargs.pop(optkey)) |
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548 compargs.update(compiledict(treeargs)) |
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549 return compargs |
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550 |
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551 |
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552 def buildkeyvaluepair(exp, content): |
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553 raise error.ParseError(_(b"can't use a key-value pair in this context")) |
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554 |
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555 |
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556 def buildlist(exp, context): |
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557 raise error.ParseError( |
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558 _(b"can't use a list in this context"), |
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559 hint=_(b'check place of comma and parens'), |
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560 ) |
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561 |
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562 |
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563 # methods to interpret function arguments or inner expressions (e.g. {_(x)}) |
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564 exprmethods = { |
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565 b"integer": lambda e, c: (templateutil.runinteger, e[1]), |
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566 b"string": lambda e, c: (templateutil.runstring, e[1]), |
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567 b"symbol": lambda e, c: (templateutil.runsymbol, e[1]), |
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568 b"template": buildtemplate, |
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569 b"group": lambda e, c: compileexp(e[1], c, exprmethods), |
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570 b".": buildmember, |
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571 b"|": buildfilter, |
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572 b"%": buildmap, |
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573 b"func": buildfunc, |
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574 b"keyvalue": buildkeyvaluepair, |
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575 b"list": buildlist, |
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576 b"+": lambda e, c: buildarithmetic(e, c, lambda a, b: a + b), |
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577 b"-": lambda e, c: buildarithmetic(e, c, lambda a, b: a - b), |
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578 b"negate": buildnegate, |
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579 b"*": lambda e, c: buildarithmetic(e, c, lambda a, b: a * b), |
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580 b"/": lambda e, c: buildarithmetic(e, c, lambda a, b: a // b), |
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581 } |
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582 |
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583 # methods to interpret top-level template (e.g. {x}, {x|_}, {x % "y"}) |
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584 methods = exprmethods.copy() |
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585 methods[b"integer"] = exprmethods[b"symbol"] # '{1}' as variable |
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586 |
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587 |
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588 class _aliasrules(parser.basealiasrules): |
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589 """Parsing and expansion rule set of template aliases""" |
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590 |
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591 _section = _(b'template alias') |
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592 _parse = staticmethod(_parseexpr) |
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593 |
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594 @staticmethod |
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595 def _trygetfunc(tree): |
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596 """Return (name, args) if tree is func(...) or ...|filter; otherwise |
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597 None""" |
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598 if tree[0] == b'func' and tree[1][0] == b'symbol': |
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599 return tree[1][1], getlist(tree[2]) |
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600 if tree[0] == b'|' and tree[2][0] == b'symbol': |
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601 return tree[2][1], [tree[1]] |
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602 |
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603 |
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604 def expandaliases(tree, aliases): |
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605 """Return new tree of aliases are expanded""" |
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606 aliasmap = _aliasrules.buildmap(aliases) |
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607 return _aliasrules.expand(aliasmap, tree) |
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608 |
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609 |
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610 # template engine |
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611 |
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612 |
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613 def unquotestring(s): |
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614 '''unwrap quotes if any; otherwise returns unmodified string''' |
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615 if len(s) < 2 or s[0] not in b"'\"" or s[0] != s[-1]: |
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616 return s |
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617 return s[1:-1] |
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618 |
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619 |
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620 class resourcemapper(object): # pytype: disable=ignored-metaclass |
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621 """Mapper of internal template resources""" |
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622 |
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623 __metaclass__ = abc.ABCMeta |
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624 |
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625 @abc.abstractmethod |
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626 def availablekeys(self, mapping): |
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627 """Return a set of available resource keys based on the given mapping""" |
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628 |
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629 @abc.abstractmethod |
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630 def knownkeys(self): |
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631 """Return a set of supported resource keys""" |
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632 |
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633 @abc.abstractmethod |
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634 def lookup(self, mapping, key): |
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635 """Return a resource for the key if available; otherwise None""" |
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636 |
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637 @abc.abstractmethod |
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638 def populatemap(self, context, origmapping, newmapping): |
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639 """Return a dict of additional mapping items which should be paired |
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640 with the given new mapping""" |
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641 |
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642 |
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643 class nullresourcemapper(resourcemapper): |
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644 def availablekeys(self, mapping): |
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645 return set() |
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646 |
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647 def knownkeys(self): |
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648 return set() |
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649 |
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650 def lookup(self, mapping, key): |
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651 return None |
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652 |
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653 def populatemap(self, context, origmapping, newmapping): |
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654 return {} |
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655 |
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656 |
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657 class engine(object): |
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658 '''template expansion engine. |
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659 |
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660 template expansion works like this. a map file contains key=value |
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661 pairs. if value is quoted, it is treated as string. otherwise, it |
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662 is treated as name of template file. |
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663 |
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664 templater is asked to expand a key in map. it looks up key, and |
4334
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665 looks for strings like this: {foo}. it expands {foo} by looking up |
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666 foo in map, and substituting it. expansion is recursive: it stops |
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667 when there is no more {foo} to replace. |
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668 |
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669 expansion also allows formatting and filtering. |
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670 |
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671 format uses key to expand each item in list. syntax is |
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672 {key%format}. |
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673 |
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|
674 filter uses function to transform value. syntax is |
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675 {key|filter1|filter2|...}.''' |
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676 |
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677 def __init__(self, loader, filters=None, defaults=None, resources=None): |
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678 self._loader = loader |
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679 if filters is None: |
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680 filters = {} |
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681 self._filters = filters |
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682 self._funcs = templatefuncs.funcs # make this a parameter if needed |
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683 if defaults is None: |
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684 defaults = {} |
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685 if resources is None: |
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686 resources = nullresourcemapper() |
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687 self._defaults = defaults |
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688 self._resources = resources |
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689 self._cache = {} # key: (func, data) |
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690 self._tmplcache = {} # literal template: (func, data) |
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691 |
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692 def overlaymap(self, origmapping, newmapping): |
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693 """Create combined mapping from the original mapping and partial |
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|
694 mapping to override the original""" |
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695 # do not copy symbols which overrides the defaults depending on |
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696 # new resources, so the defaults will be re-evaluated (issue5612) |
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697 knownres = self._resources.knownkeys() |
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|
698 newres = self._resources.availablekeys(newmapping) |
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|
699 mapping = { |
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|
700 k: v |
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d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43098
diff
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|
701 for k, v in pycompat.iteritems(origmapping) |
43076
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|
702 if ( |
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|
703 k in knownres # not a symbol per self.symbol() |
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|
704 or newres.isdisjoint(self._defaultrequires(k)) |
2372284d9457
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|
705 ) |
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|
706 } |
37074
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|
707 mapping.update(newmapping) |
37102
638a241202a3
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parents:
37084
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|
708 mapping.update( |
43076
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|
709 self._resources.populatemap(self, origmapping, newmapping) |
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|
710 ) |
37074
2891079fb0c0
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|
711 return mapping |
2891079fb0c0
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parents:
37073
diff
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|
712 |
37075
46859b437697
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37074
diff
changeset
|
713 def _defaultrequires(self, key): |
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parents:
37074
diff
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|
714 """Resource keys required by the specified default symbol function""" |
46859b437697
templater: drop symbols which should be overridden by new 'ctx' (issue5612)
Yuya Nishihara <yuya@tcha.org>
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diff
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|
715 v = self._defaults.get(key) |
46859b437697
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parents:
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diff
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|
716 if v is None or not callable(v): |
46859b437697
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Yuya Nishihara <yuya@tcha.org>
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diff
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|
717 return () |
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diff
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|
718 return getattr(v, '_requires', ()) |
46859b437697
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37074
diff
changeset
|
719 |
35467
d6cfa722b044
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Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
720 def symbol(self, mapping, key): |
d6cfa722b044
templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
721 """Resolve symbol to value or function; None if nothing found""" |
35470
a33be093ec62
templater: look up symbols/resources as if they were separated (issue5699)
Yuya Nishihara <yuya@tcha.org>
parents:
35468
diff
changeset
|
722 v = None |
37073
44757e6dad93
templater: introduce resourcemapper class
Yuya Nishihara <yuya@tcha.org>
parents:
37070
diff
changeset
|
723 if key not in self._resources.knownkeys(): |
35470
a33be093ec62
templater: look up symbols/resources as if they were separated (issue5699)
Yuya Nishihara <yuya@tcha.org>
parents:
35468
diff
changeset
|
724 v = mapping.get(key) |
35467
d6cfa722b044
templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
725 if v is None: |
d6cfa722b044
templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
726 v = self._defaults.get(key) |
d6cfa722b044
templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
727 return v |
d6cfa722b044
templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
728 |
37501
0f4de9c27973
templater: add public interface returning a set of resource keys
Yuya Nishihara <yuya@tcha.org>
parents:
37499
diff
changeset
|
729 def availableresourcekeys(self, mapping): |
0f4de9c27973
templater: add public interface returning a set of resource keys
Yuya Nishihara <yuya@tcha.org>
parents:
37499
diff
changeset
|
730 """Return a set of available resource keys based on the given mapping""" |
39582
28f974d83c0a
templater: remove unused context argument from most resourcemapper functions
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
731 return self._resources.availablekeys(mapping) |
37501
0f4de9c27973
templater: add public interface returning a set of resource keys
Yuya Nishihara <yuya@tcha.org>
parents:
37499
diff
changeset
|
732 |
0f4de9c27973
templater: add public interface returning a set of resource keys
Yuya Nishihara <yuya@tcha.org>
parents:
37499
diff
changeset
|
733 def knownresourcekeys(self): |
0f4de9c27973
templater: add public interface returning a set of resource keys
Yuya Nishihara <yuya@tcha.org>
parents:
37499
diff
changeset
|
734 """Return a set of supported resource keys""" |
0f4de9c27973
templater: add public interface returning a set of resource keys
Yuya Nishihara <yuya@tcha.org>
parents:
37499
diff
changeset
|
735 return self._resources.knownkeys() |
0f4de9c27973
templater: add public interface returning a set of resource keys
Yuya Nishihara <yuya@tcha.org>
parents:
37499
diff
changeset
|
736 |
35467
d6cfa722b044
templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
737 def resource(self, mapping, key): |
d6cfa722b044
templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
738 """Return internal data (e.g. cache) used for keyword/function |
d6cfa722b044
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Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
739 evaluation""" |
39582
28f974d83c0a
templater: remove unused context argument from most resourcemapper functions
Yuya Nishihara <yuya@tcha.org>
parents:
38440
diff
changeset
|
740 v = self._resources.lookup(mapping, key) |
35468
32c278eb876f
templater: keep default resources per template engine (API)
Yuya Nishihara <yuya@tcha.org>
parents:
35467
diff
changeset
|
741 if v is None: |
36913
da2977e674a3
templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36912
diff
changeset
|
742 raise templateutil.ResourceUnavailable( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
743 _(b'template resource not available: %s') % key |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
744 ) |
35468
32c278eb876f
templater: keep default resources per template engine (API)
Yuya Nishihara <yuya@tcha.org>
parents:
35467
diff
changeset
|
745 return v |
35467
d6cfa722b044
templater: look up mapping table through template engine
Yuya Nishihara <yuya@tcha.org>
parents:
35414
diff
changeset
|
746 |
13176
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
747 def _load(self, t): |
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
748 '''load, parse, and cache a template''' |
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
749 if t not in self._cache: |
38354
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
750 x = self._loader(t) |
27940
cfe7da66f555
templater: abort if infinite recursion detected while compiling
Yuya Nishihara <yuya@tcha.org>
parents:
27939
diff
changeset
|
751 # put poison to cut recursion while compiling 't' |
28545
1d461ee26e1b
templater: lift parsed and compiled templates to generic data types
Yuya Nishihara <yuya@tcha.org>
parents:
28462
diff
changeset
|
752 self._cache[t] = (_runrecursivesymbol, t) |
27940
cfe7da66f555
templater: abort if infinite recursion detected while compiling
Yuya Nishihara <yuya@tcha.org>
parents:
27939
diff
changeset
|
753 try: |
28956
eea98190ed73
templater: inline compiletemplate() function into engine
Yuya Nishihara <yuya@tcha.org>
parents:
28954
diff
changeset
|
754 self._cache[t] = compileexp(x, self, methods) |
43076
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Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
755 except: # re-raises |
27940
cfe7da66f555
templater: abort if infinite recursion detected while compiling
Yuya Nishihara <yuya@tcha.org>
parents:
27939
diff
changeset
|
756 del self._cache[t] |
cfe7da66f555
templater: abort if infinite recursion detected while compiling
Yuya Nishihara <yuya@tcha.org>
parents:
27939
diff
changeset
|
757 raise |
13176
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
758 return self._cache[t] |
895f54a79c6e
templater: use the parser.py parser to extend the templater syntax
Matt Mackall <mpm@selenic.com>
parents:
13175
diff
changeset
|
759 |
37398
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
760 def _parse(self, tmpl): |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
761 """Parse and cache a literal template""" |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
762 if tmpl not in self._tmplcache: |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
763 x = parse(tmpl) |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
764 self._tmplcache[tmpl] = compileexp(x, self, methods) |
3235afdfcf1c
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Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
765 return self._tmplcache[tmpl] |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
766 |
37067
04aafcec00b9
templater: add context.preload(t) to test if the specified template exists
Yuya Nishihara <yuya@tcha.org>
parents:
37019
diff
changeset
|
767 def preload(self, t): |
04aafcec00b9
templater: add context.preload(t) to test if the specified template exists
Yuya Nishihara <yuya@tcha.org>
parents:
37019
diff
changeset
|
768 """Load, parse, and cache the specified template if available""" |
04aafcec00b9
templater: add context.preload(t) to test if the specified template exists
Yuya Nishihara <yuya@tcha.org>
parents:
37019
diff
changeset
|
769 try: |
04aafcec00b9
templater: add context.preload(t) to test if the specified template exists
Yuya Nishihara <yuya@tcha.org>
parents:
37019
diff
changeset
|
770 self._load(t) |
04aafcec00b9
templater: add context.preload(t) to test if the specified template exists
Yuya Nishihara <yuya@tcha.org>
parents:
37019
diff
changeset
|
771 return True |
04aafcec00b9
templater: add context.preload(t) to test if the specified template exists
Yuya Nishihara <yuya@tcha.org>
parents:
37019
diff
changeset
|
772 except templateutil.TemplateNotFound: |
04aafcec00b9
templater: add context.preload(t) to test if the specified template exists
Yuya Nishihara <yuya@tcha.org>
parents:
37019
diff
changeset
|
773 return False |
04aafcec00b9
templater: add context.preload(t) to test if the specified template exists
Yuya Nishihara <yuya@tcha.org>
parents:
37019
diff
changeset
|
774 |
10853
b6f6d9fd53d6
templater: drop raw method
Matt Mackall <mpm@selenic.com>
parents:
10852
diff
changeset
|
775 def process(self, t, mapping): |
b6f6d9fd53d6
templater: drop raw method
Matt Mackall <mpm@selenic.com>
parents:
10852
diff
changeset
|
776 '''Perform expansion. t is name of map element to expand. |
b6f6d9fd53d6
templater: drop raw method
Matt Mackall <mpm@selenic.com>
parents:
10852
diff
changeset
|
777 mapping contains added elements for use during expansion. Is a |
b6f6d9fd53d6
templater: drop raw method
Matt Mackall <mpm@selenic.com>
parents:
10852
diff
changeset
|
778 generator.''' |
28545
1d461ee26e1b
templater: lift parsed and compiled templates to generic data types
Yuya Nishihara <yuya@tcha.org>
parents:
28462
diff
changeset
|
779 func, data = self._load(t) |
37398
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
780 return self._expand(func, data, mapping) |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
781 |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
782 def expand(self, tmpl, mapping): |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
783 """Perform expansion over a literal template |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
784 |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
785 No user aliases will be expanded since this is supposed to be called |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
786 with an internal template string. |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
787 """ |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
788 func, data = self._parse(tmpl) |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
789 return self._expand(func, data, mapping) |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
790 |
3235afdfcf1c
templater: add function that expands internal literal templates
Yuya Nishihara <yuya@tcha.org>
parents:
37272
diff
changeset
|
791 def _expand(self, func, data, mapping): |
37102
638a241202a3
templater: add hook point to populate additional mapping items
Yuya Nishihara <yuya@tcha.org>
parents:
37084
diff
changeset
|
792 # populate additional items only if they don't exist in the given |
638a241202a3
templater: add hook point to populate additional mapping items
Yuya Nishihara <yuya@tcha.org>
parents:
37084
diff
changeset
|
793 # mapping. this is slightly different from overlaymap() because the |
638a241202a3
templater: add hook point to populate additional mapping items
Yuya Nishihara <yuya@tcha.org>
parents:
37084
diff
changeset
|
794 # initial 'revcache' may contain pre-computed items. |
638a241202a3
templater: add hook point to populate additional mapping items
Yuya Nishihara <yuya@tcha.org>
parents:
37084
diff
changeset
|
795 extramapping = self._resources.populatemap(self, {}, mapping) |
638a241202a3
templater: add hook point to populate additional mapping items
Yuya Nishihara <yuya@tcha.org>
parents:
37084
diff
changeset
|
796 if extramapping: |
638a241202a3
templater: add hook point to populate additional mapping items
Yuya Nishihara <yuya@tcha.org>
parents:
37084
diff
changeset
|
797 extramapping.update(mapping) |
638a241202a3
templater: add hook point to populate additional mapping items
Yuya Nishihara <yuya@tcha.org>
parents:
37084
diff
changeset
|
798 mapping = extramapping |
37272
7d3bc1d4e871
templater: pass (context, mapping) down to unwraphybrid()
Yuya Nishihara <yuya@tcha.org>
parents:
37159
diff
changeset
|
799 return templateutil.flatten(self, mapping, func(self, mapping, data)) |
8218
e61cb2813d2a
templater: separate template management and actual string processing
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8198
diff
changeset
|
800 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
801 |
19125
6ba6e345961e
templater: show the style list when I try to use a wrong one
Iulian Stana <julian.stana@gmail.com>
parents:
19079
diff
changeset
|
802 def stylelist(): |
45199
91aa9bba3dc9
templater: make templatepaths() return a single path, or None
Martin von Zweigbergk <martinvonz@google.com>
parents:
45198
diff
changeset
|
803 path = templatedir() |
91aa9bba3dc9
templater: make templatepaths() return a single path, or None
Martin von Zweigbergk <martinvonz@google.com>
parents:
45198
diff
changeset
|
804 if not path: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
805 return _(b'no templates found, try `hg debuginstall` for more info') |
45199
91aa9bba3dc9
templater: make templatepaths() return a single path, or None
Martin von Zweigbergk <martinvonz@google.com>
parents:
45198
diff
changeset
|
806 dirlist = os.listdir(path) |
19125
6ba6e345961e
templater: show the style list when I try to use a wrong one
Iulian Stana <julian.stana@gmail.com>
parents:
19079
diff
changeset
|
807 stylelist = [] |
6ba6e345961e
templater: show the style list when I try to use a wrong one
Iulian Stana <julian.stana@gmail.com>
parents:
19079
diff
changeset
|
808 for file in dirlist: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
809 split = file.split(b".") |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
810 if split[-1] in (b'orig', b'rej'): |
28403
d2e154dddb6e
templater: ignore orig/rej files
timeless <timeless@mozdev.org>
parents:
28384
diff
changeset
|
811 continue |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
812 if split[0] == b"map-cmdline": |
19125
6ba6e345961e
templater: show the style list when I try to use a wrong one
Iulian Stana <julian.stana@gmail.com>
parents:
19079
diff
changeset
|
813 stylelist.append(split[1]) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
814 return b", ".join(sorted(stylelist)) |
19125
6ba6e345961e
templater: show the style list when I try to use a wrong one
Iulian Stana <julian.stana@gmail.com>
parents:
19079
diff
changeset
|
815 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
816 |
45308
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
817 def _open_mapfile(mapfile): |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
818 if os.path.exists(mapfile): |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
819 return util.posixfile(mapfile, b'rb') |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
820 raise error.Abort( |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
821 _(b"style '%s' not found") % mapfile, |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
822 hint=_(b"available styles: %s") % stylelist(), |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
823 ) |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
824 |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
825 |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
826 def _readmapfile(fp, mapfile): |
28953
7f6b8ec691e3
templater: extract function that loads template map file
Yuya Nishihara <yuya@tcha.org>
parents:
28952
diff
changeset
|
827 """Load template elements from the given map file""" |
7f6b8ec691e3
templater: extract function that loads template map file
Yuya Nishihara <yuya@tcha.org>
parents:
28952
diff
changeset
|
828 base = os.path.dirname(mapfile) |
45210
4ccd5ec565c2
templater: do search for include of unqualified builtin outside of config code
Martin von Zweigbergk <martinvonz@google.com>
parents:
45209
diff
changeset
|
829 conf = config.config() |
45209
8ec3062b7047
templater: switch to lower-level config.parse() in _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45200
diff
changeset
|
830 |
45257
668af67bfd18
config: remove now-unused `abs` argument from `include` callback
Martin von Zweigbergk <martinvonz@google.com>
parents:
45213
diff
changeset
|
831 def include(rel, remap, sections): |
45312
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
832 subresource = None |
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
833 if base: |
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
834 abs = os.path.normpath(os.path.join(base, rel)) |
45210
4ccd5ec565c2
templater: do search for include of unqualified builtin outside of config code
Martin von Zweigbergk <martinvonz@google.com>
parents:
45209
diff
changeset
|
835 if os.path.isfile(abs): |
45312
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
836 subresource = util.posixfile(abs, b'rb') |
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
837 if not subresource: |
45313
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
838 if pycompat.ossep not in rel: |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
839 abs = rel |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
840 subresource = resourceutil.open_resource( |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
841 b'mercurial.templates', rel |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
842 ) |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
843 else: |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
844 dir = templatedir() |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
845 if dir: |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
846 abs = os.path.normpath(os.path.join(dir, rel)) |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
847 if os.path.isfile(abs): |
fef64d7a4a84
templater: try to read %include in mapfiles from resources
Martin von Zweigbergk <martinvonz@google.com>
parents:
45312
diff
changeset
|
848 subresource = util.posixfile(abs, b'rb') |
45312
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
849 if subresource: |
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
850 data = subresource.read() |
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
851 conf.parse( |
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
852 abs, data, sections=sections, remap=remap, include=include, |
d9a502a0a9ca
templater: unroll loop over mapfile directories
Martin von Zweigbergk <martinvonz@google.com>
parents:
45311
diff
changeset
|
853 ) |
45209
8ec3062b7047
templater: switch to lower-level config.parse() in _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45200
diff
changeset
|
854 |
45308
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
855 data = fp.read() |
45209
8ec3062b7047
templater: switch to lower-level config.parse() in _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45200
diff
changeset
|
856 conf.parse(mapfile, data, remap={b'': b'templates'}, include=include) |
28953
7f6b8ec691e3
templater: extract function that loads template map file
Yuya Nishihara <yuya@tcha.org>
parents:
28952
diff
changeset
|
857 |
7f6b8ec691e3
templater: extract function that loads template map file
Yuya Nishihara <yuya@tcha.org>
parents:
28952
diff
changeset
|
858 cache = {} |
7f6b8ec691e3
templater: extract function that loads template map file
Yuya Nishihara <yuya@tcha.org>
parents:
28952
diff
changeset
|
859 tmap = {} |
34715
f17a0e18c47e
templater: load aliases from [templatealias] section in map file
Yuya Nishihara <yuya@tcha.org>
parents:
34714
diff
changeset
|
860 aliases = [] |
34712
56f085334611
templater: simplify merge of __base__ dicts by reading it first
Yuya Nishihara <yuya@tcha.org>
parents:
34693
diff
changeset
|
861 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
862 val = conf.get(b'templates', b'__base__') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
863 if val and val[0] not in b"'\"": |
34712
56f085334611
templater: simplify merge of __base__ dicts by reading it first
Yuya Nishihara <yuya@tcha.org>
parents:
34693
diff
changeset
|
864 # treat as a pointer to a base class for this style |
45261
28840ef52f71
templater: don't normalize path separators to '/' when interacting with OS
Martin von Zweigbergk <martinvonz@google.com>
parents:
45259
diff
changeset
|
865 path = os.path.normpath(os.path.join(base, val)) |
34712
56f085334611
templater: simplify merge of __base__ dicts by reading it first
Yuya Nishihara <yuya@tcha.org>
parents:
34693
diff
changeset
|
866 |
56f085334611
templater: simplify merge of __base__ dicts by reading it first
Yuya Nishihara <yuya@tcha.org>
parents:
34693
diff
changeset
|
867 # fallback check in template paths |
56f085334611
templater: simplify merge of __base__ dicts by reading it first
Yuya Nishihara <yuya@tcha.org>
parents:
34693
diff
changeset
|
868 if not os.path.exists(path): |
45213
d5ccc059fbcd
templater: handle None returned from templatedir()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45210
diff
changeset
|
869 dir = templatedir() |
d5ccc059fbcd
templater: handle None returned from templatedir()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45210
diff
changeset
|
870 if dir is not None: |
45261
28840ef52f71
templater: don't normalize path separators to '/' when interacting with OS
Martin von Zweigbergk <martinvonz@google.com>
parents:
45259
diff
changeset
|
871 p2 = os.path.normpath(os.path.join(dir, val)) |
45213
d5ccc059fbcd
templater: handle None returned from templatedir()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45210
diff
changeset
|
872 if os.path.isfile(p2): |
d5ccc059fbcd
templater: handle None returned from templatedir()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45210
diff
changeset
|
873 path = p2 |
d5ccc059fbcd
templater: handle None returned from templatedir()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45210
diff
changeset
|
874 else: |
45261
28840ef52f71
templater: don't normalize path separators to '/' when interacting with OS
Martin von Zweigbergk <martinvonz@google.com>
parents:
45259
diff
changeset
|
875 p3 = os.path.normpath(os.path.join(p2, b"map")) |
45213
d5ccc059fbcd
templater: handle None returned from templatedir()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45210
diff
changeset
|
876 if os.path.isfile(p3): |
d5ccc059fbcd
templater: handle None returned from templatedir()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45210
diff
changeset
|
877 path = p3 |
34712
56f085334611
templater: simplify merge of __base__ dicts by reading it first
Yuya Nishihara <yuya@tcha.org>
parents:
34693
diff
changeset
|
878 |
45308
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
879 fp = _open_mapfile(path) |
dc10bcd5c08d
templater: start passing resource to read from into _readmapfile()
Martin von Zweigbergk <martinvonz@google.com>
parents:
45307
diff
changeset
|
880 cache, tmap, aliases = _readmapfile(fp, path) |
34712
56f085334611
templater: simplify merge of __base__ dicts by reading it first
Yuya Nishihara <yuya@tcha.org>
parents:
34693
diff
changeset
|
881 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
882 for key, val in conf[b'templates'].items(): |
28953
7f6b8ec691e3
templater: extract function that loads template map file
Yuya Nishihara <yuya@tcha.org>
parents:
28952
diff
changeset
|
883 if not val: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
884 raise error.ParseError( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
885 _(b'missing value'), conf.source(b'templates', key) |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
886 ) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
887 if val[0] in b"'\"": |
28953
7f6b8ec691e3
templater: extract function that loads template map file
Yuya Nishihara <yuya@tcha.org>
parents:
28952
diff
changeset
|
888 if val[0] != val[-1]: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
889 raise error.ParseError( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
890 _(b'unmatched quotes'), conf.source(b'templates', key) |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
891 ) |
28953
7f6b8ec691e3
templater: extract function that loads template map file
Yuya Nishihara <yuya@tcha.org>
parents:
28952
diff
changeset
|
892 cache[key] = unquotestring(val) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
893 elif key != b'__base__': |
38353
48289eafb37d
templater: drop extension point of engine classes (API)
Yuya Nishihara <yuya@tcha.org>
parents:
38352
diff
changeset
|
894 tmap[key] = os.path.join(base, val) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
895 aliases.extend(conf[b'templatealias'].items()) |
34715
f17a0e18c47e
templater: load aliases from [templatealias] section in map file
Yuya Nishihara <yuya@tcha.org>
parents:
34714
diff
changeset
|
896 return cache, tmap, aliases |
28953
7f6b8ec691e3
templater: extract function that loads template map file
Yuya Nishihara <yuya@tcha.org>
parents:
28952
diff
changeset
|
897 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
898 |
38438
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
899 class loader(object): |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
900 """Load template fragments optionally from a map file""" |
35481
964510dcdc2a
templater: rewrite docstring of templater.__init__()
Yuya Nishihara <yuya@tcha.org>
parents:
35470
diff
changeset
|
901 |
38438
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
902 def __init__(self, cache, aliases): |
26334
0a5a774f5956
templater: remove a mutable default argument
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26333
diff
changeset
|
903 if cache is None: |
0a5a774f5956
templater: remove a mutable default argument
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26333
diff
changeset
|
904 cache = {} |
1975
6e1a8ea5d717
Duplicate cache when creating templater.
Shun-ichi Goto <shunichi.goto@gmail.com>
parents:
1964
diff
changeset
|
905 self.cache = cache.copy() |
38351
de089e3eb328
templater: mark most attributes as private
Yuya Nishihara <yuya@tcha.org>
parents:
38285
diff
changeset
|
906 self._map = {} |
38354
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
907 self._aliasmap = _aliasrules.buildmap(aliases) |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
908 |
1899
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
909 def __contains__(self, key): |
38351
de089e3eb328
templater: mark most attributes as private
Yuya Nishihara <yuya@tcha.org>
parents:
38285
diff
changeset
|
910 return key in self.cache or key in self._map |
1899
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
911 |
8218
e61cb2813d2a
templater: separate template management and actual string processing
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
8198
diff
changeset
|
912 def load(self, t): |
38354
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
913 """Get parsed tree for the given template name. Use a local cache.""" |
16686
67964cda8701
cleanup: "not x in y" -> "x not in y"
Brodie Rao <brodie@sf.io>
parents:
14944
diff
changeset
|
914 if t not in self.cache: |
1905
0c760737b996
improve template errors when something is wrong.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1904
diff
changeset
|
915 try: |
45322
c3376a724e32
templater: teach template loader to use open_template() function
Martin von Zweigbergk <martinvonz@google.com>
parents:
45321
diff
changeset
|
916 mapfile, fp = open_template(self._map[t]) |
c3376a724e32
templater: teach template loader to use open_template() function
Martin von Zweigbergk <martinvonz@google.com>
parents:
45321
diff
changeset
|
917 self.cache[t] = fp.read() |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25654
diff
changeset
|
918 except KeyError as inst: |
36913
da2977e674a3
templater: extract template evaluation utility to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36912
diff
changeset
|
919 raise templateutil.TemplateNotFound( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
920 _(b'"%s" not in template map') % inst.args[0] |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
921 ) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25654
diff
changeset
|
922 except IOError as inst: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
923 reason = _(b'template file %s: %s') % ( |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
924 self._map[t], |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
925 stringutil.forcebytestr(inst.args[1]), |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
926 ) |
36500
43e108027b0d
py3: move between bytes and unicode when re-raising IOError
Yuya Nishihara <yuya@tcha.org>
parents:
36445
diff
changeset
|
927 raise IOError(inst.args[0], encoding.strfromlocal(reason)) |
38354
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
928 return self._parse(self.cache[t]) |
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
929 |
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
930 def _parse(self, tmpl): |
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
931 x = parse(tmpl) |
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
932 if self._aliasmap: |
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
933 x = _aliasrules.expand(self._aliasmap, x) |
e637dc0b3b1f
templater: parse template string to tree by templater class
Yuya Nishihara <yuya@tcha.org>
parents:
38353
diff
changeset
|
934 return x |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
935 |
38355
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
936 def _findsymbolsused(self, tree, syms): |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
937 if not tree: |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
938 return |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
939 op = tree[0] |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
940 if op == b'symbol': |
38355
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
941 s = tree[1] |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
942 if s in syms[0]: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
943 return # avoid recursion: s -> cache[s] -> s |
38355
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
944 syms[0].add(s) |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
945 if s in self.cache or s in self._map: |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
946 # s may be a reference for named template |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
947 self._findsymbolsused(self.load(s), syms) |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
948 return |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
949 if op in {b'integer', b'string'}: |
38355
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
950 return |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
951 # '{arg|func}' == '{func(arg)}' |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
952 if op == b'|': |
38355
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
953 syms[1].add(getsymbol(tree[2])) |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
954 self._findsymbolsused(tree[1], syms) |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
955 return |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
956 if op == b'func': |
38355
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
957 syms[1].add(getsymbol(tree[1])) |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
958 self._findsymbolsused(tree[2], syms) |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
959 return |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
960 for x in tree[1:]: |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
961 self._findsymbolsused(x, syms) |
d4fae9a0ab1f
templater: add function to look up symbols used in template
Yuya Nishihara <yuya@tcha.org>
parents:
38354
diff
changeset
|
962 |
38438
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
963 def symbolsused(self, t): |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
964 """Look up (keywords, filters/functions) referenced from the name |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
965 template 't' |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
966 |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
967 This may load additional templates from the map file. |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
968 """ |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
969 syms = (set(), set()) |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
970 self._findsymbolsused(self.load(t), syms) |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
971 return syms |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
972 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
973 |
38438
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
974 class templater(object): |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
975 def __init__( |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
976 self, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
977 filters=None, |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
978 defaults=None, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
979 resources=None, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
980 cache=None, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
981 aliases=(), |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
982 minchunk=1024, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
983 maxchunk=65536, |
2372284d9457
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Augie Fackler <augie@google.com>
parents:
40935
diff
changeset
|
984 ): |
38438
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
985 """Create template engine optionally with preloaded template fragments |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
986 |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
987 - ``filters``: a dict of functions to transform a value into another. |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
988 - ``defaults``: a dict of symbol values/functions; may be overridden |
f79237942dec
templater: extract template loader to separate class
Yuya Nishihara <yuya@tcha.org>
parents:
38355
diff
changeset
|
989 by a ``mapping`` dict. |
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990 - ``resources``: a resourcemapper object to look up internal data |
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991 (e.g. cache), inaccessible from user template. |
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992 - ``cache``: a dict of preloaded template fragments. |
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993 - ``aliases``: a list of alias (name, replacement) pairs. |
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994 |
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995 self.cache may be updated later to register additional template |
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996 fragments. |
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997 """ |
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998 allfilters = templatefilters.filters.copy() |
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999 if filters: |
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1000 allfilters.update(filters) |
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1001 self._loader = loader(cache, aliases) |
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1002 self._proc = engine(self._loader.load, allfilters, defaults, resources) |
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1003 self._minchunk, self._maxchunk = minchunk, maxchunk |
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1004 |
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1005 @classmethod |
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1006 def frommapfile( |
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1007 cls, |
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1008 mapfile, |
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1009 fp=None, |
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1010 filters=None, |
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1011 defaults=None, |
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1012 resources=None, |
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1013 cache=None, |
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1014 minchunk=1024, |
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1015 maxchunk=65536, |
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1016 ): |
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1017 """Create templater from the specified map file""" |
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1018 t = cls(filters, defaults, resources, cache, [], minchunk, maxchunk) |
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1019 if not fp: |
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1020 fp = _open_mapfile(mapfile) |
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1021 cache, tmap, aliases = _readmapfile(fp, mapfile) |
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1022 t._loader.cache.update(cache) |
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1023 t._loader._map = tmap |
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1024 t._loader._aliasmap = _aliasrules.buildmap(aliases) |
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1025 return t |
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1026 |
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1027 def __contains__(self, key): |
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1028 return key in self._loader |
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1029 |
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1030 @property |
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1031 def cache(self): |
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1032 return self._loader.cache |
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1033 |
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1034 # for highlight extension to insert one-time 'colorize' filter |
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1035 @property |
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1036 def _filters(self): |
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1037 return self._proc._filters |
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1038 |
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1039 @property |
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1040 def defaults(self): |
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1041 return self._proc._defaults |
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1042 |
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1043 def load(self, t): |
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1044 """Get parsed tree for the given template name. Use a local cache.""" |
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1045 return self._loader.load(t) |
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1046 |
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1047 def symbolsuseddefault(self): |
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1048 """Look up (keywords, filters/functions) referenced from the default |
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1049 unnamed template |
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1050 |
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1051 This may load additional templates from the map file. |
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1052 """ |
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1053 return self.symbolsused(b'') |
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1054 |
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1055 def symbolsused(self, t): |
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1056 """Look up (keywords, filters/functions) referenced from the name |
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1057 template 't' |
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1058 |
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1059 This may load additional templates from the map file. |
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1060 """ |
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1061 return self._loader.symbolsused(t) |
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1062 |
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1063 def renderdefault(self, mapping): |
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1064 """Render the default unnamed template and return result as string""" |
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1065 return self.render(b'', mapping) |
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1066 |
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1067 def render(self, t, mapping): |
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1068 """Render the specified named template and return result as string""" |
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1069 return b''.join(self.generate(t, mapping)) |
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1070 |
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1071 def generate(self, t, mapping): |
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1072 """Return a generator that renders the specified named template and |
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1073 yields chunks""" |
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1074 stream = self._proc.process(t, mapping) |
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1075 if self._minchunk: |
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1076 stream = util.increasingchunks( |
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1077 stream, min=self._minchunk, max=self._maxchunk |
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|
1078 ) |
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|
1079 return stream |
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1080 |
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1081 |
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1082 def templatedir(): |
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|
1083 '''return the directory used for template files, or None.''' |
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1084 path = os.path.normpath(os.path.join(resourceutil.datapath, b'templates')) |
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1085 return path if os.path.isdir(path) else None |
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1086 |
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1087 |
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|
1088 def open_template(name, templatepath=None): |
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1089 '''returns a file-like object for the given template, and its full path |
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1090 |
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1091 If the name is a relative path and we're in a frozen binary, the template |
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|
1092 will be read from the mercurial.templates package instead. The returned path |
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|
1093 will then be the relative path. |
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|
1094 ''' |
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|
1095 # Does the name point directly to a map file? |
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1096 if os.path.isfile(name) or os.path.isabs(name): |
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|
1097 return name, open(name, mode='rb') |
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1098 |
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|
1099 # Does the name point to a template in the provided templatepath, or |
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|
1100 # in mercurial/templates/ if no path was provided? |
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|
1101 if templatepath is None: |
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|
1102 templatepath = templatedir() |
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1103 if templatepath is not None: |
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1104 f = os.path.join(templatepath, name) |
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1105 return f, open(f, mode='rb') |
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1106 |
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1107 # Otherwise try to read it using the resources API |
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1108 name_parts = name.split(b'/') |
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1109 package_name = b'.'.join([b'mercurial', b'templates'] + name_parts[:-1]) |
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1110 return ( |
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1111 name, |
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1112 resourceutil.open_resource(package_name, name_parts[-1]), |
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1113 ) |
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1114 |
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1115 |
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1116 def try_open_template(name, templatepath=None): |
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1117 try: |
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1118 return open_template(name, templatepath) |
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1119 except (EnvironmentError, ImportError): |
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1120 return None, None |