Mercurial > hg
annotate mercurial/formatter.py @ 43523:c21aca51b392
utils: move the `dirs` definition in pathutil (API)
Before this change, the `dirs` class was accessible through the `mercurial.util`
module. That module is expected to stay free of scm specific content.
The `pathutil` destination has been selection by Martin von Zweigbergk.
This work is part of a refactoring to unify the revlog index and the nodemap.
This unification prepare the use of a persistent nodemap.
Differential Revision: https://phab.mercurial-scm.org/D7311
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 06 Nov 2019 14:13:19 +0100 |
parents | 7e20b705da5b |
children | 653b2a439412 |
rev | line source |
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16134 | 1 # formatter.py - generic output formatting for mercurial |
2 # | |
3 # Copyright 2012 Matt Mackall <mpm@selenic.com> | |
4 # | |
5 # This software may be used and distributed according to the terms of the | |
6 # GNU General Public License version 2 or any later version. | |
7 | |
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8 """Generic output formatting for Mercurial |
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9 |
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10 The formatter provides API to show data in various ways. The following |
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11 functions should be used in place of ui.write(): |
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12 |
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13 - fm.write() for unconditional output |
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14 - fm.condwrite() to show some extra data conditionally in plain output |
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15 - fm.context() to provide changectx to template output |
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16 - fm.data() to provide extra data to JSON or template output |
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17 - fm.plain() to show raw text that isn't provided to JSON or template output |
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18 |
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19 To show structured data (e.g. date tuples, dicts, lists), apply fm.format*() |
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20 beforehand so the data is converted to the appropriate data type. Use |
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21 fm.isplain() if you need to convert or format data conditionally which isn't |
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22 supported by the formatter API. |
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23 |
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24 To build nested structure (i.e. a list of dicts), use fm.nested(). |
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25 |
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26 See also https://www.mercurial-scm.org/wiki/GenericTemplatingPlan |
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27 |
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28 fm.condwrite() vs 'if cond:': |
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29 |
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30 In most cases, use fm.condwrite() so users can selectively show the data |
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31 in template output. If it's costly to build data, use plain 'if cond:' with |
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32 fm.write(). |
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33 |
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34 fm.nested() vs fm.formatdict() (or fm.formatlist()): |
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35 |
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36 fm.nested() should be used to form a tree structure (a list of dicts of |
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37 lists of dicts...) which can be accessed through template keywords, e.g. |
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38 "{foo % "{bar % {...}} {baz % {...}}"}". On the other hand, fm.formatdict() |
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39 exports a dict-type object to template, which can be accessed by e.g. |
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40 "{get(foo, key)}" function. |
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41 |
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42 Doctest helper: |
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43 |
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44 >>> def show(fn, verbose=False, **opts): |
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45 ... import sys |
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46 ... from . import ui as uimod |
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47 ... ui = uimod.ui() |
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48 ... ui.verbose = verbose |
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49 ... ui.pushbuffer() |
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50 ... try: |
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51 ... return fn(ui, ui.formatter(pycompat.sysbytes(fn.__name__), |
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52 ... pycompat.byteskwargs(opts))) |
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53 ... finally: |
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54 ... print(pycompat.sysstr(ui.popbuffer()), end='') |
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55 |
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56 Basic example: |
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57 |
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58 >>> def files(ui, fm): |
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59 ... files = [(b'foo', 123, (0, 0)), (b'bar', 456, (1, 0))] |
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60 ... for f in files: |
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61 ... fm.startitem() |
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62 ... fm.write(b'path', b'%s', f[0]) |
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63 ... fm.condwrite(ui.verbose, b'date', b' %s', |
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64 ... fm.formatdate(f[2], b'%Y-%m-%d %H:%M:%S')) |
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65 ... fm.data(size=f[1]) |
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66 ... fm.plain(b'\\n') |
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67 ... fm.end() |
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68 >>> show(files) |
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69 foo |
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70 bar |
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71 >>> show(files, verbose=True) |
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72 foo 1970-01-01 00:00:00 |
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73 bar 1970-01-01 00:00:01 |
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74 >>> show(files, template=b'json') |
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75 [ |
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76 { |
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77 "date": [0, 0], |
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78 "path": "foo", |
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79 "size": 123 |
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80 }, |
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81 { |
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82 "date": [1, 0], |
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83 "path": "bar", |
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84 "size": 456 |
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85 } |
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86 ] |
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87 >>> show(files, template=b'path: {path}\\ndate: {date|rfc3339date}\\n') |
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88 path: foo |
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89 date: 1970-01-01T00:00:00+00:00 |
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90 path: bar |
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91 date: 1970-01-01T00:00:01+00:00 |
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92 |
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93 Nested example: |
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94 |
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95 >>> def subrepos(ui, fm): |
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96 ... fm.startitem() |
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97 ... fm.write(b'reponame', b'[%s]\\n', b'baz') |
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98 ... files(ui, fm.nested(b'files', tmpl=b'{reponame}')) |
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99 ... fm.end() |
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100 >>> show(subrepos) |
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101 [baz] |
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102 foo |
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103 bar |
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104 >>> show(subrepos, template=b'{reponame}: {join(files % "{path}", ", ")}\\n') |
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105 baz: foo, bar |
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106 """ |
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107 |
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108 from __future__ import absolute_import, print_function |
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109 |
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110 import contextlib |
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111 import itertools |
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112 import os |
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113 |
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114 from .i18n import _ |
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115 from .node import ( |
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116 hex, |
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117 short, |
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118 ) |
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119 from .thirdparty import attr |
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120 |
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121 from . import ( |
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122 error, |
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123 pycompat, |
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124 templatefilters, |
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125 templatekw, |
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126 templater, |
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127 templateutil, |
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128 util, |
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129 ) |
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130 from .utils import ( |
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131 cborutil, |
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132 dateutil, |
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133 stringutil, |
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134 ) |
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135 |
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136 pickle = util.pickle |
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137 |
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138 |
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139 def isprintable(obj): |
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140 """Check if the given object can be directly passed in to formatter's |
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141 write() and data() functions |
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142 |
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143 Returns False if the object is unsupported or must be pre-processed by |
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144 formatdate(), formatdict(), or formatlist(). |
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145 """ |
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146 return isinstance(obj, (type(None), bool, int, pycompat.long, float, bytes)) |
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147 |
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148 |
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149 class _nullconverter(object): |
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150 '''convert non-primitive data types to be processed by formatter''' |
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151 |
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152 # set to True if context object should be stored as item |
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153 storecontext = False |
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154 |
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155 @staticmethod |
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156 def wrapnested(data, tmpl, sep): |
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157 '''wrap nested data by appropriate type''' |
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158 return data |
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159 |
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160 @staticmethod |
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161 def formatdate(date, fmt): |
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162 '''convert date tuple to appropriate format''' |
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163 # timestamp can be float, but the canonical form should be int |
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164 ts, tz = date |
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165 return (int(ts), tz) |
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166 |
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167 @staticmethod |
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168 def formatdict(data, key, value, fmt, sep): |
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169 '''convert dict or key-value pairs to appropriate dict format''' |
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170 # use plain dict instead of util.sortdict so that data can be |
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171 # serialized as a builtin dict in pickle output |
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172 return dict(data) |
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173 |
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174 @staticmethod |
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175 def formatlist(data, name, fmt, sep): |
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176 '''convert iterable to appropriate list format''' |
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177 return list(data) |
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178 |
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179 |
16134 | 180 class baseformatter(object): |
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181 def __init__(self, ui, topic, opts, converter): |
16134 | 182 self._ui = ui |
183 self._topic = topic | |
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184 self._opts = opts |
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185 self._converter = converter |
16134 | 186 self._item = None |
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187 # function to convert node to string suitable for this output |
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188 self.hexfunc = hex |
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189 |
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190 def __enter__(self): |
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191 return self |
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192 |
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193 def __exit__(self, exctype, excvalue, traceback): |
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194 if exctype is None: |
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195 self.end() |
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196 |
16134 | 197 def _showitem(self): |
198 '''show a formatted item once all data is collected''' | |
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199 |
16134 | 200 def startitem(self): |
201 '''begin an item in the format list''' | |
202 if self._item is not None: | |
203 self._showitem() | |
204 self._item = {} | |
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205 |
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206 def formatdate(self, date, fmt=b'%a %b %d %H:%M:%S %Y %1%2'): |
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207 '''convert date tuple to appropriate format''' |
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208 return self._converter.formatdate(date, fmt) |
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209 |
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210 def formatdict(self, data, key=b'key', value=b'value', fmt=None, sep=b' '): |
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211 '''convert dict or key-value pairs to appropriate dict format''' |
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212 return self._converter.formatdict(data, key, value, fmt, sep) |
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213 |
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214 def formatlist(self, data, name, fmt=None, sep=b' '): |
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215 '''convert iterable to appropriate list format''' |
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216 # name is mandatory argument for now, but it could be optional if |
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217 # we have default template keyword, e.g. {item} |
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218 return self._converter.formatlist(data, name, fmt, sep) |
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219 |
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220 def context(self, **ctxs): |
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221 '''insert context objects to be used to render template keywords''' |
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222 ctxs = pycompat.byteskwargs(ctxs) |
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223 assert all(k in {b'repo', b'ctx', b'fctx'} for k in ctxs) |
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224 if self._converter.storecontext: |
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225 # populate missing resources in fctx -> ctx -> repo order |
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226 if b'fctx' in ctxs and b'ctx' not in ctxs: |
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227 ctxs[b'ctx'] = ctxs[b'fctx'].changectx() |
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228 if b'ctx' in ctxs and b'repo' not in ctxs: |
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229 ctxs[b'repo'] = ctxs[b'ctx'].repo() |
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230 self._item.update(ctxs) |
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231 |
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232 def datahint(self): |
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233 '''set of field names to be referenced''' |
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234 return set() |
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235 |
16134 | 236 def data(self, **data): |
237 '''insert data into item that's not shown in default output''' | |
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238 data = pycompat.byteskwargs(data) |
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239 self._item.update(data) |
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240 |
16134 | 241 def write(self, fields, deftext, *fielddata, **opts): |
242 '''do default text output while assigning data to item''' | |
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243 fieldkeys = fields.split() |
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244 assert len(fieldkeys) == len(fielddata), (fieldkeys, fielddata) |
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245 self._item.update(zip(fieldkeys, fielddata)) |
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246 |
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247 def condwrite(self, cond, fields, deftext, *fielddata, **opts): |
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248 '''do conditional write (primarily for plain formatter)''' |
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249 fieldkeys = fields.split() |
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250 assert len(fieldkeys) == len(fielddata) |
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251 self._item.update(zip(fieldkeys, fielddata)) |
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252 |
16134 | 253 def plain(self, text, **opts): |
254 '''show raw text for non-templated mode''' | |
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255 |
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256 def isplain(self): |
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257 '''check for plain formatter usage''' |
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258 return False |
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259 |
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260 def nested(self, field, tmpl=None, sep=b''): |
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261 '''sub formatter to store nested data in the specified field''' |
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262 data = [] |
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263 self._item[field] = self._converter.wrapnested(data, tmpl, sep) |
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264 return _nestedformatter(self._ui, self._converter, data) |
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265 |
16134 | 266 def end(self): |
267 '''end output for the formatter''' | |
268 if self._item is not None: | |
269 self._showitem() | |
270 | |
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271 |
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272 def nullformatter(ui, topic, opts): |
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273 '''formatter that prints nothing''' |
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274 return baseformatter(ui, topic, opts, converter=_nullconverter) |
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275 |
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276 |
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277 class _nestedformatter(baseformatter): |
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278 '''build sub items and store them in the parent formatter''' |
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279 |
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280 def __init__(self, ui, converter, data): |
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281 baseformatter.__init__( |
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282 self, ui, topic=b'', opts={}, converter=converter |
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283 ) |
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284 self._data = data |
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285 |
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286 def _showitem(self): |
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287 self._data.append(self._item) |
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288 |
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289 |
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290 def _iteritems(data): |
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291 '''iterate key-value pairs in stable order''' |
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292 if isinstance(data, dict): |
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293 return sorted(pycompat.iteritems(data)) |
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294 return data |
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295 |
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296 |
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297 class _plainconverter(object): |
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298 '''convert non-primitive data types to text''' |
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299 |
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300 storecontext = False |
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301 |
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302 @staticmethod |
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303 def wrapnested(data, tmpl, sep): |
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304 raise error.ProgrammingError(b'plainformatter should never be nested') |
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305 |
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306 @staticmethod |
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307 def formatdate(date, fmt): |
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308 '''stringify date tuple in the given format''' |
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309 return dateutil.datestr(date, fmt) |
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310 |
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311 @staticmethod |
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312 def formatdict(data, key, value, fmt, sep): |
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313 '''stringify key-value pairs separated by sep''' |
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314 prefmt = pycompat.identity |
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315 if fmt is None: |
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316 fmt = b'%s=%s' |
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317 prefmt = pycompat.bytestr |
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318 return sep.join( |
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319 fmt % (prefmt(k), prefmt(v)) for k, v in _iteritems(data) |
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320 ) |
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321 |
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322 @staticmethod |
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323 def formatlist(data, name, fmt, sep): |
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324 '''stringify iterable separated by sep''' |
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325 prefmt = pycompat.identity |
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326 if fmt is None: |
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327 fmt = b'%s' |
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328 prefmt = pycompat.bytestr |
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329 return sep.join(fmt % prefmt(e) for e in data) |
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330 |
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331 |
16134 | 332 class plainformatter(baseformatter): |
333 '''the default text output scheme''' | |
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334 |
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335 def __init__(self, ui, out, topic, opts): |
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336 baseformatter.__init__(self, ui, topic, opts, _plainconverter) |
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337 if ui.debugflag: |
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338 self.hexfunc = hex |
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339 else: |
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340 self.hexfunc = short |
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341 if ui is out: |
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342 self._write = ui.write |
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343 else: |
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344 self._write = lambda s, **opts: out.write(s) |
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345 |
16134 | 346 def startitem(self): |
347 pass | |
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348 |
16134 | 349 def data(self, **data): |
350 pass | |
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351 |
16134 | 352 def write(self, fields, deftext, *fielddata, **opts): |
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353 self._write(deftext % fielddata, **opts) |
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354 |
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355 def condwrite(self, cond, fields, deftext, *fielddata, **opts): |
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356 '''do conditional write''' |
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357 if cond: |
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358 self._write(deftext % fielddata, **opts) |
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359 |
16134 | 360 def plain(self, text, **opts): |
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361 self._write(text, **opts) |
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362 |
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363 def isplain(self): |
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364 return True |
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365 |
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366 def nested(self, field, tmpl=None, sep=b''): |
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367 # nested data will be directly written to ui |
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368 return self |
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369 |
16134 | 370 def end(self): |
371 pass | |
372 | |
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373 |
16134 | 374 class debugformatter(baseformatter): |
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375 def __init__(self, ui, out, topic, opts): |
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376 baseformatter.__init__(self, ui, topic, opts, _nullconverter) |
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377 self._out = out |
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378 self._out.write(b"%s = [\n" % self._topic) |
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379 |
16134 | 380 def _showitem(self): |
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381 self._out.write( |
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382 b' %s,\n' % stringutil.pprint(self._item, indent=4, level=1) |
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383 ) |
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384 |
16134 | 385 def end(self): |
386 baseformatter.end(self) | |
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387 self._out.write(b"]\n") |
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389 |
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390 class pickleformatter(baseformatter): |
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391 def __init__(self, ui, out, topic, opts): |
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392 baseformatter.__init__(self, ui, topic, opts, _nullconverter) |
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393 self._out = out |
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394 self._data = [] |
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395 |
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396 def _showitem(self): |
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397 self._data.append(self._item) |
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398 |
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399 def end(self): |
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400 baseformatter.end(self) |
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401 self._out.write(pickle.dumps(self._data)) |
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402 |
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403 |
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404 class cborformatter(baseformatter): |
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405 '''serialize items as an indefinite-length CBOR array''' |
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406 |
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407 def __init__(self, ui, out, topic, opts): |
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408 baseformatter.__init__(self, ui, topic, opts, _nullconverter) |
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409 self._out = out |
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410 self._out.write(cborutil.BEGIN_INDEFINITE_ARRAY) |
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411 |
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412 def _showitem(self): |
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413 self._out.write(b''.join(cborutil.streamencode(self._item))) |
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414 |
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415 def end(self): |
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416 baseformatter.end(self) |
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417 self._out.write(cborutil.BREAK) |
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418 |
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419 |
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420 class jsonformatter(baseformatter): |
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421 def __init__(self, ui, out, topic, opts): |
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422 baseformatter.__init__(self, ui, topic, opts, _nullconverter) |
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423 self._out = out |
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424 self._out.write(b"[") |
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425 self._first = True |
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426 |
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427 def _showitem(self): |
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428 if self._first: |
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429 self._first = False |
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430 else: |
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431 self._out.write(b",") |
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432 |
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433 self._out.write(b"\n {\n") |
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434 first = True |
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435 for k, v in sorted(self._item.items()): |
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436 if first: |
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437 first = False |
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438 else: |
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439 self._out.write(b",\n") |
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440 u = templatefilters.json(v, paranoid=False) |
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441 self._out.write(b' "%s": %s' % (k, u)) |
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442 self._out.write(b"\n }") |
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443 |
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444 def end(self): |
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445 baseformatter.end(self) |
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446 self._out.write(b"\n]\n") |
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447 |
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448 |
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449 class _templateconverter(object): |
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450 '''convert non-primitive data types to be processed by templater''' |
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451 |
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452 storecontext = True |
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453 |
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454 @staticmethod |
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455 def wrapnested(data, tmpl, sep): |
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456 '''wrap nested data by templatable type''' |
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457 return templateutil.mappinglist(data, tmpl=tmpl, sep=sep) |
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458 |
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459 @staticmethod |
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460 def formatdate(date, fmt): |
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461 '''return date tuple''' |
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462 return templateutil.date(date) |
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463 |
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464 @staticmethod |
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465 def formatdict(data, key, value, fmt, sep): |
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466 '''build object that can be evaluated as either plain string or dict''' |
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467 data = util.sortdict(_iteritems(data)) |
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468 |
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469 def f(): |
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470 yield _plainconverter.formatdict(data, key, value, fmt, sep) |
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471 |
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472 return templateutil.hybriddict( |
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473 data, key=key, value=value, fmt=fmt, gen=f |
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474 ) |
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475 |
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476 @staticmethod |
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477 def formatlist(data, name, fmt, sep): |
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478 '''build object that can be evaluated as either plain string or list''' |
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479 data = list(data) |
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480 |
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481 def f(): |
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482 yield _plainconverter.formatlist(data, name, fmt, sep) |
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483 |
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484 return templateutil.hybridlist(data, name=name, fmt=fmt, gen=f) |
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485 |
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486 |
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487 class templateformatter(baseformatter): |
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488 def __init__(self, ui, out, topic, opts, spec, overridetemplates=None): |
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489 baseformatter.__init__(self, ui, topic, opts, _templateconverter) |
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490 self._out = out |
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491 self._tref = spec.ref |
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492 self._t = loadtemplater( |
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493 ui, |
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494 spec, |
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495 defaults=templatekw.keywords, |
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496 resources=templateresources(ui), |
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497 cache=templatekw.defaulttempl, |
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498 ) |
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499 if overridetemplates: |
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500 self._t.cache.update(overridetemplates) |
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501 self._parts = templatepartsmap( |
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502 spec, self._t, [b'docheader', b'docfooter', b'separator'] |
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503 ) |
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504 self._counter = itertools.count() |
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505 self._renderitem(b'docheader', {}) |
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506 |
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507 def _showitem(self): |
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508 item = self._item.copy() |
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509 item[b'index'] = index = next(self._counter) |
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510 if index > 0: |
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511 self._renderitem(b'separator', {}) |
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512 self._renderitem(self._tref, item) |
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513 |
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514 def _renderitem(self, part, item): |
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515 if part not in self._parts: |
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516 return |
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517 ref = self._parts[part] |
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518 # None can't be put in the mapping dict since it means <unset> |
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519 for k, v in item.items(): |
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520 if v is None: |
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521 item[k] = templateutil.wrappedvalue(v) |
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522 self._out.write(self._t.render(ref, item)) |
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523 |
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524 @util.propertycache |
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525 def _symbolsused(self): |
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526 return self._t.symbolsused(self._tref) |
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527 |
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528 def datahint(self): |
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529 '''set of field names to be referenced from the template''' |
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530 return self._symbolsused[0] |
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531 |
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532 def end(self): |
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533 baseformatter.end(self) |
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534 self._renderitem(b'docfooter', {}) |
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535 |
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536 |
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537 @attr.s(frozen=True) |
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538 class templatespec(object): |
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539 ref = attr.ib() |
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540 tmpl = attr.ib() |
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541 mapfile = attr.ib() |
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542 refargs = attr.ib(default=None) |
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543 |
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544 |
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545 def lookuptemplate(ui, topic, tmpl): |
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546 """Find the template matching the given -T/--template spec 'tmpl' |
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547 |
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548 'tmpl' can be any of the following: |
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549 |
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550 - a literal template (e.g. '{rev}') |
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551 - a reference to built-in template (i.e. formatter) |
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552 - a map-file name or path (e.g. 'changelog') |
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553 - a reference to [templates] in config file |
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554 - a path to raw template file |
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555 |
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556 A map file defines a stand-alone template environment. If a map file |
9d76812f9b0b
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557 selected, all templates defined in the file will be loaded, and the |
34715
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templater: load aliases from [templatealias] section in map file
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558 template matching the given topic will be rendered. Aliases won't be |
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559 loaded from user config, but from the map file. |
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560 |
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561 If no map file selected, all templates in [templates] section will be |
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562 available as well as aliases in [templatealias]. |
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563 """ |
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|
564 |
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565 if not tmpl: |
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566 return templatespec(None, None, None) |
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567 |
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568 # looks like a literal template? |
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569 if b'{' in tmpl: |
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|
570 return templatespec(b'', tmpl, None) |
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571 |
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572 # a reference to built-in (formatter) template |
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573 if tmpl in {b'cbor', b'json', b'pickle', b'debug'}: |
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574 return templatespec(tmpl, None, None) |
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575 |
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576 # a function-style reference to built-in template |
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|
577 func, fsep, ftail = tmpl.partition(b'(') |
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578 if func in {b'cbor', b'json'} and fsep and ftail.endswith(b')'): |
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|
579 templater.parseexpr(tmpl) # make sure syntax errors are confined |
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580 return templatespec(func, None, None, refargs=ftail[:-1]) |
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|
581 |
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|
582 # perhaps a stock style? |
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|
583 if not os.path.split(tmpl)[0]: |
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|
584 mapname = templater.templatepath( |
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|
585 b'map-cmdline.' + tmpl |
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586 ) or templater.templatepath(tmpl) |
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|
587 if mapname and os.path.isfile(mapname): |
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|
588 return templatespec(topic, None, mapname) |
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|
589 |
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|
590 # perhaps it's a reference to [templates] |
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|
591 if ui.config(b'templates', tmpl): |
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|
592 return templatespec(tmpl, None, None) |
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|
593 |
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|
594 if tmpl == b'list': |
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|
595 ui.write(_(b"available styles: %s\n") % templater.stylelist()) |
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|
596 raise error.Abort(_(b"specify a template")) |
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|
597 |
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24321
diff
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|
598 # perhaps it's a path to a map or a template |
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599 if (b'/' in tmpl or b'\\' in tmpl) and os.path.isfile(tmpl): |
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|
600 # is it a mapfile for a style? |
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|
601 if os.path.basename(tmpl).startswith(b"map-"): |
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|
602 return templatespec(topic, None, os.path.realpath(tmpl)) |
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|
603 with util.posixfile(tmpl, b'rb') as f: |
32828
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|
604 tmpl = f.read() |
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605 return templatespec(b'', tmpl, None) |
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|
606 |
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|
607 # constant string? |
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|
608 return templatespec(b'', tmpl, None) |
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|
609 |
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|
610 |
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|
611 def templatepartsmap(spec, t, partnames): |
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|
612 """Create a mapping of {part: ref}""" |
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|
613 partsmap = {spec.ref: spec.ref} # initial ref must exist in t |
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|
614 if spec.mapfile: |
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|
615 partsmap.update((p, p) for p in partnames if p in t) |
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616 elif spec.ref: |
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617 for part in partnames: |
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618 ref = b'%s:%s' % (spec.ref, part) # select config sub-section |
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619 if ref in t: |
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620 partsmap[part] = ref |
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621 return partsmap |
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622 |
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623 |
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624 def loadtemplater(ui, spec, defaults=None, resources=None, cache=None): |
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625 """Create a templater from either a literal template or loading from |
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626 a map file""" |
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627 assert not (spec.tmpl and spec.mapfile) |
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628 if spec.mapfile: |
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629 frommapfile = templater.templater.frommapfile |
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630 return frommapfile( |
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631 spec.mapfile, defaults=defaults, resources=resources, cache=cache |
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632 ) |
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633 return maketemplater( |
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634 ui, spec.tmpl, defaults=defaults, resources=resources, cache=cache |
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635 ) |
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636 |
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637 |
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638 def maketemplater(ui, tmpl, defaults=None, resources=None, cache=None): |
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639 """Create a templater from a string template 'tmpl'""" |
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640 aliases = ui.configitems(b'templatealias') |
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641 t = templater.templater( |
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642 defaults=defaults, resources=resources, cache=cache, aliases=aliases |
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643 ) |
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644 t.cache.update( |
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645 (k, templater.unquotestring(v)) for k, v in ui.configitems(b'templates') |
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646 ) |
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647 if tmpl: |
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648 t.cache[b''] = tmpl |
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649 return t |
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650 |
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651 |
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652 # marker to denote a resource to be loaded on demand based on mapping values |
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653 # (e.g. (ctx, path) -> fctx) |
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654 _placeholder = object() |
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655 |
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656 |
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657 class templateresources(templater.resourcemapper): |
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658 """Resource mapper designed for the default templatekw and function""" |
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659 |
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660 def __init__(self, ui, repo=None): |
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661 self._resmap = { |
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662 b'cache': {}, # for templatekw/funcs to store reusable data |
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663 b'repo': repo, |
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664 b'ui': ui, |
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665 } |
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666 |
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667 def availablekeys(self, mapping): |
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668 return { |
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669 k for k in self.knownkeys() if self._getsome(mapping, k) is not None |
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670 } |
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671 |
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672 def knownkeys(self): |
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673 return {b'cache', b'ctx', b'fctx', b'repo', b'revcache', b'ui'} |
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674 |
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675 def lookup(self, mapping, key): |
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676 if key not in self.knownkeys(): |
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677 return None |
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678 v = self._getsome(mapping, key) |
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679 if v is _placeholder: |
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680 v = mapping[key] = self._loadermap[key](self, mapping) |
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681 return v |
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682 |
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683 def populatemap(self, context, origmapping, newmapping): |
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684 mapping = {} |
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685 if self._hasnodespec(newmapping): |
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686 mapping[b'revcache'] = {} # per-ctx cache |
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687 if self._hasnodespec(origmapping) and self._hasnodespec(newmapping): |
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688 orignode = templateutil.runsymbol(context, origmapping, b'node') |
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689 mapping[b'originalnode'] = orignode |
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690 # put marker to override 'ctx'/'fctx' in mapping if any, and flag |
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691 # its existence to be reported by availablekeys() |
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692 if b'ctx' not in newmapping and self._hasliteral(newmapping, b'node'): |
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693 mapping[b'ctx'] = _placeholder |
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694 if b'fctx' not in newmapping and self._hasliteral(newmapping, b'path'): |
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695 mapping[b'fctx'] = _placeholder |
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696 return mapping |
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697 |
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698 def _getsome(self, mapping, key): |
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699 v = mapping.get(key) |
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700 if v is not None: |
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701 return v |
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702 return self._resmap.get(key) |
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703 |
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704 def _hasliteral(self, mapping, key): |
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705 """Test if a literal value is set or unset in the given mapping""" |
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706 return key in mapping and not callable(mapping[key]) |
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707 |
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708 def _getliteral(self, mapping, key): |
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709 """Return value of the given name if it is a literal""" |
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710 v = mapping.get(key) |
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711 if callable(v): |
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712 return None |
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713 return v |
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714 |
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715 def _hasnodespec(self, mapping): |
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716 """Test if context revision is set or unset in the given mapping""" |
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717 return b'node' in mapping or b'ctx' in mapping |
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718 |
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719 def _loadctx(self, mapping): |
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720 repo = self._getsome(mapping, b'repo') |
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721 node = self._getliteral(mapping, b'node') |
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722 if repo is None or node is None: |
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723 return |
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724 try: |
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725 return repo[node] |
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726 except error.RepoLookupError: |
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727 return None # maybe hidden/non-existent node |
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728 |
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|
729 def _loadfctx(self, mapping): |
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730 ctx = self._getsome(mapping, b'ctx') |
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|
731 path = self._getliteral(mapping, b'path') |
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|
732 if ctx is None or path is None: |
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|
733 return None |
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|
734 try: |
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|
735 return ctx[path] |
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|
736 except error.LookupError: |
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|
737 return None # maybe removed file? |
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|
738 |
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|
739 _loadermap = { |
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|
740 b'ctx': _loadctx, |
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|
741 b'fctx': _loadfctx, |
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|
742 } |
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|
743 |
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|
744 |
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|
745 def _internaltemplateformatter( |
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|
746 ui, |
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|
747 out, |
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|
748 topic, |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
749 opts, |
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|
750 spec, |
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|
751 tmpl, |
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|
752 docheader=b'', |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
753 docfooter=b'', |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
754 separator=b'', |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
755 ): |
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|
756 """Build template formatter that handles customizable built-in templates |
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|
757 such as -Tjson(...)""" |
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|
758 templates = {spec.ref: tmpl} |
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|
759 if docheader: |
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|
760 templates[b'%s:docheader' % spec.ref] = docheader |
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|
761 if docfooter: |
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|
762 templates[b'%s:docfooter' % spec.ref] = docfooter |
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|
763 if separator: |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
764 templates[b'%s:separator' % spec.ref] = separator |
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|
765 return templateformatter( |
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|
766 ui, out, topic, opts, spec, overridetemplates=templates |
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|
767 ) |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
768 |
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|
769 |
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|
770 def formatter(ui, out, topic, opts): |
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|
771 spec = lookuptemplate(ui, topic, opts.get(b'template', b'')) |
43101
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|
772 if spec.ref == b"cbor" and spec.refargs is not None: |
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|
773 return _internaltemplateformatter( |
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|
774 ui, |
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|
775 out, |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
776 topic, |
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|
777 opts, |
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diff
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|
778 spec, |
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|
779 tmpl=b'{dict(%s)|cbor}' % spec.refargs, |
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|
780 docheader=cborutil.BEGIN_INDEFINITE_ARRAY, |
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|
781 docfooter=cborutil.BREAK, |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
782 ) |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
783 elif spec.ref == b"cbor": |
41996
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template: add CBOR output format
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40277
diff
changeset
|
784 return cborformatter(ui, out, topic, opts) |
43101
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|
785 elif spec.ref == b"json" and spec.refargs is not None: |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
786 return _internaltemplateformatter( |
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|
787 ui, |
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diff
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|
788 out, |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
789 topic, |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
790 opts, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
791 spec, |
1d12ae5096d1
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|
792 tmpl=b'{dict(%s)|json}' % spec.refargs, |
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|
793 docheader=b'[\n ', |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
794 docfooter=b'\n]\n', |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
795 separator=b',\n ', |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
796 ) |
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|
797 elif spec.ref == b"json": |
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|
798 return jsonformatter(ui, out, topic, opts) |
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|
799 elif spec.ref == b"pickle": |
43101
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|
800 assert spec.refargs is None, r'function-style not supported' |
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|
801 return pickleformatter(ui, out, topic, opts) |
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|
802 elif spec.ref == b"debug": |
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|
803 assert spec.refargs is None, r'function-style not supported' |
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|
804 return debugformatter(ui, out, topic, opts) |
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|
805 elif spec.ref or spec.tmpl or spec.mapfile: |
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|
806 assert spec.refargs is None, r'function-style not supported' |
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formatter: pass in template spec to templateformatter as argument
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|
807 return templateformatter(ui, out, topic, opts, spec) |
25838
31137258ae8b
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Matt Mackall <mpm@selenic.com>
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diff
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|
808 # developer config: ui.formatdebug |
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|
809 elif ui.configbool(b'ui', b'formatdebug'): |
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|
810 return debugformatter(ui, out, topic, opts) |
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|
811 # deprecated config: ui.formatjson |
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|
812 elif ui.configbool(b'ui', b'formatjson'): |
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|
813 return jsonformatter(ui, out, topic, opts) |
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|
814 return plainformatter(ui, out, topic, opts) |
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|
815 |
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|
816 |
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|
817 @contextlib.contextmanager |
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|
818 def openformatter(ui, filename, topic, opts): |
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|
819 """Create a formatter that writes outputs to the specified file |
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|
820 |
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|
821 Must be invoked using the 'with' statement. |
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|
822 """ |
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|
823 with util.posixfile(filename, b'wb') as out: |
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|
824 with formatter(ui, out, topic, opts) as fm: |
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|
825 yield fm |
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|
826 |
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|
827 |
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|
828 @contextlib.contextmanager |
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|
829 def _neverending(fm): |
35985d407d49
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|
830 yield fm |
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|
831 |
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|
832 |
37597
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formatter: carry opts to file-based formatters by basefm
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37596
diff
changeset
|
833 def maybereopen(fm, filename): |
32580
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|
834 """Create a formatter backed by file if filename specified, else return |
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|
835 the given formatter |
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|
836 |
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|
837 Must be invoked using the 'with' statement. This will never call fm.end() |
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|
838 of the given formatter. |
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changeset
|
839 """ |
35985d407d49
formatter: add helper to create a formatter optionally backed by file
Yuya Nishihara <yuya@tcha.org>
parents:
32579
diff
changeset
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840 if filename: |
37597
d110167610db
formatter: carry opts to file-based formatters by basefm
Yuya Nishihara <yuya@tcha.org>
parents:
37596
diff
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841 return openformatter(fm._ui, filename, fm._topic, fm._opts) |
32580
35985d407d49
formatter: add helper to create a formatter optionally backed by file
Yuya Nishihara <yuya@tcha.org>
parents:
32579
diff
changeset
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842 else: |
35985d407d49
formatter: add helper to create a formatter optionally backed by file
Yuya Nishihara <yuya@tcha.org>
parents:
32579
diff
changeset
|
843 return _neverending(fm) |