Mercurial > hg
annotate mercurial/formatter.py @ 43106:d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
This commit finishes porting .iteritems() to pycompat.iteritems()
for the mercurial package.
The translation of .iteritems() to .items() was the last conversion
performed by the source transformer. With the porting to pycompat
complete, we no longer have a need for the source transformer. So
the source transformer has been removed. Good riddance! The code
base is now compatible with Python 2 and Python 3.
For the record, as the person who introduced the source transformer,
it brings me joy to delete it. It accomplished its goal to facilitate
a port to Python 3 without overly burdening people on some painful
low-level differences between Python 2 and 3. It is unfortunate we
still have to wallpaper over many differences with the pycompat
shim. But it is what it is.
Differential Revision: https://phab.mercurial-scm.org/D7015
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 07 Oct 2019 00:04:04 -0400 |
parents | 1d12ae5096d1 |
children | 242ad45b60b3 |
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 class _nullconverter(object): |
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140 '''convert non-primitive data types to be processed by formatter''' |
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141 |
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142 # set to True if context object should be stored as item |
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143 storecontext = False |
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144 |
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145 @staticmethod |
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146 def wrapnested(data, tmpl, sep): |
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147 '''wrap nested data by appropriate type''' |
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148 return data |
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149 |
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150 @staticmethod |
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151 def formatdate(date, fmt): |
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152 '''convert date tuple to appropriate format''' |
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153 # timestamp can be float, but the canonical form should be int |
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154 ts, tz = date |
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155 return (int(ts), tz) |
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156 |
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157 @staticmethod |
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158 def formatdict(data, key, value, fmt, sep): |
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159 '''convert dict or key-value pairs to appropriate dict format''' |
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160 # use plain dict instead of util.sortdict so that data can be |
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161 # serialized as a builtin dict in pickle output |
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162 return dict(data) |
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163 |
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164 @staticmethod |
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165 def formatlist(data, name, fmt, sep): |
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166 '''convert iterable to appropriate list format''' |
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167 return list(data) |
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168 |
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169 |
16134 | 170 class baseformatter(object): |
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171 def __init__(self, ui, topic, opts, converter): |
16134 | 172 self._ui = ui |
173 self._topic = topic | |
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174 self._opts = opts |
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175 self._converter = converter |
16134 | 176 self._item = None |
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177 # function to convert node to string suitable for this output |
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178 self.hexfunc = hex |
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179 |
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180 def __enter__(self): |
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181 return self |
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182 |
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183 def __exit__(self, exctype, excvalue, traceback): |
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184 if exctype is None: |
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185 self.end() |
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186 |
16134 | 187 def _showitem(self): |
188 '''show a formatted item once all data is collected''' | |
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189 |
16134 | 190 def startitem(self): |
191 '''begin an item in the format list''' | |
192 if self._item is not None: | |
193 self._showitem() | |
194 self._item = {} | |
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195 |
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196 def formatdate(self, date, fmt=b'%a %b %d %H:%M:%S %Y %1%2'): |
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197 '''convert date tuple to appropriate format''' |
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198 return self._converter.formatdate(date, fmt) |
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199 |
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200 def formatdict(self, data, key=b'key', value=b'value', fmt=None, sep=b' '): |
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201 '''convert dict or key-value pairs to appropriate dict format''' |
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202 return self._converter.formatdict(data, key, value, fmt, sep) |
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203 |
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204 def formatlist(self, data, name, fmt=None, sep=b' '): |
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205 '''convert iterable to appropriate list format''' |
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206 # name is mandatory argument for now, but it could be optional if |
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207 # we have default template keyword, e.g. {item} |
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208 return self._converter.formatlist(data, name, fmt, sep) |
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209 |
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210 def context(self, **ctxs): |
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211 '''insert context objects to be used to render template keywords''' |
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212 ctxs = pycompat.byteskwargs(ctxs) |
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213 assert all(k in {b'repo', b'ctx', b'fctx'} for k in ctxs) |
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214 if self._converter.storecontext: |
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215 # populate missing resources in fctx -> ctx -> repo order |
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216 if b'fctx' in ctxs and b'ctx' not in ctxs: |
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217 ctxs[b'ctx'] = ctxs[b'fctx'].changectx() |
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218 if b'ctx' in ctxs and b'repo' not in ctxs: |
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219 ctxs[b'repo'] = ctxs[b'ctx'].repo() |
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220 self._item.update(ctxs) |
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221 |
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222 def datahint(self): |
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223 '''set of field names to be referenced''' |
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224 return set() |
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225 |
16134 | 226 def data(self, **data): |
227 '''insert data into item that's not shown in default output''' | |
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228 data = pycompat.byteskwargs(data) |
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229 self._item.update(data) |
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230 |
16134 | 231 def write(self, fields, deftext, *fielddata, **opts): |
232 '''do default text output while assigning data to item''' | |
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233 fieldkeys = fields.split() |
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234 assert len(fieldkeys) == len(fielddata), (fieldkeys, fielddata) |
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235 self._item.update(zip(fieldkeys, fielddata)) |
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236 |
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237 def condwrite(self, cond, fields, deftext, *fielddata, **opts): |
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238 '''do conditional write (primarily for plain formatter)''' |
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239 fieldkeys = fields.split() |
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240 assert len(fieldkeys) == len(fielddata) |
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241 self._item.update(zip(fieldkeys, fielddata)) |
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242 |
16134 | 243 def plain(self, text, **opts): |
244 '''show raw text for non-templated mode''' | |
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245 |
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246 def isplain(self): |
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247 '''check for plain formatter usage''' |
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248 return False |
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249 |
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250 def nested(self, field, tmpl=None, sep=b''): |
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251 '''sub formatter to store nested data in the specified field''' |
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252 data = [] |
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253 self._item[field] = self._converter.wrapnested(data, tmpl, sep) |
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254 return _nestedformatter(self._ui, self._converter, data) |
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255 |
16134 | 256 def end(self): |
257 '''end output for the formatter''' | |
258 if self._item is not None: | |
259 self._showitem() | |
260 | |
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261 |
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262 def nullformatter(ui, topic, opts): |
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263 '''formatter that prints nothing''' |
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264 return baseformatter(ui, topic, opts, converter=_nullconverter) |
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265 |
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266 |
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267 class _nestedformatter(baseformatter): |
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268 '''build sub items and store them in the parent formatter''' |
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269 |
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270 def __init__(self, ui, converter, data): |
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271 baseformatter.__init__( |
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272 self, ui, topic=b'', opts={}, converter=converter |
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273 ) |
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274 self._data = data |
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275 |
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276 def _showitem(self): |
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277 self._data.append(self._item) |
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278 |
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279 |
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280 def _iteritems(data): |
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281 '''iterate key-value pairs in stable order''' |
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282 if isinstance(data, dict): |
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283 return sorted(pycompat.iteritems(data)) |
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284 return data |
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285 |
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286 |
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287 class _plainconverter(object): |
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288 '''convert non-primitive data types to text''' |
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289 |
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290 storecontext = False |
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291 |
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292 @staticmethod |
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293 def wrapnested(data, tmpl, sep): |
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294 raise error.ProgrammingError(b'plainformatter should never be nested') |
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295 |
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296 @staticmethod |
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297 def formatdate(date, fmt): |
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298 '''stringify date tuple in the given format''' |
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299 return dateutil.datestr(date, fmt) |
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300 |
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301 @staticmethod |
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302 def formatdict(data, key, value, fmt, sep): |
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303 '''stringify key-value pairs separated by sep''' |
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304 prefmt = pycompat.identity |
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305 if fmt is None: |
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306 fmt = b'%s=%s' |
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307 prefmt = pycompat.bytestr |
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308 return sep.join( |
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309 fmt % (prefmt(k), prefmt(v)) for k, v in _iteritems(data) |
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310 ) |
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311 |
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312 @staticmethod |
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313 def formatlist(data, name, fmt, sep): |
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314 '''stringify iterable separated by sep''' |
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315 prefmt = pycompat.identity |
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316 if fmt is None: |
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317 fmt = b'%s' |
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318 prefmt = pycompat.bytestr |
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319 return sep.join(fmt % prefmt(e) for e in data) |
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320 |
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321 |
16134 | 322 class plainformatter(baseformatter): |
323 '''the default text output scheme''' | |
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324 |
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325 def __init__(self, ui, out, topic, opts): |
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326 baseformatter.__init__(self, ui, topic, opts, _plainconverter) |
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327 if ui.debugflag: |
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328 self.hexfunc = hex |
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329 else: |
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330 self.hexfunc = short |
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331 if ui is out: |
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332 self._write = ui.write |
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333 else: |
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334 self._write = lambda s, **opts: out.write(s) |
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335 |
16134 | 336 def startitem(self): |
337 pass | |
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338 |
16134 | 339 def data(self, **data): |
340 pass | |
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341 |
16134 | 342 def write(self, fields, deftext, *fielddata, **opts): |
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343 self._write(deftext % fielddata, **opts) |
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344 |
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345 def condwrite(self, cond, fields, deftext, *fielddata, **opts): |
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346 '''do conditional write''' |
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347 if cond: |
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348 self._write(deftext % fielddata, **opts) |
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349 |
16134 | 350 def plain(self, text, **opts): |
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351 self._write(text, **opts) |
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352 |
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353 def isplain(self): |
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354 return True |
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355 |
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356 def nested(self, field, tmpl=None, sep=b''): |
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357 # nested data will be directly written to ui |
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358 return self |
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359 |
16134 | 360 def end(self): |
361 pass | |
362 | |
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363 |
16134 | 364 class debugformatter(baseformatter): |
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365 def __init__(self, ui, out, topic, opts): |
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366 baseformatter.__init__(self, ui, topic, opts, _nullconverter) |
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367 self._out = out |
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368 self._out.write(b"%s = [\n" % self._topic) |
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369 |
16134 | 370 def _showitem(self): |
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371 self._out.write( |
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372 b' %s,\n' % stringutil.pprint(self._item, indent=4, level=1) |
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373 ) |
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374 |
16134 | 375 def end(self): |
376 baseformatter.end(self) | |
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377 self._out.write(b"]\n") |
16134 | 378 |
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379 |
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380 class pickleformatter(baseformatter): |
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381 def __init__(self, ui, out, topic, opts): |
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382 baseformatter.__init__(self, ui, topic, opts, _nullconverter) |
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383 self._out = out |
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384 self._data = [] |
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385 |
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386 def _showitem(self): |
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387 self._data.append(self._item) |
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388 |
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389 def end(self): |
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390 baseformatter.end(self) |
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391 self._out.write(pickle.dumps(self._data)) |
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392 |
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393 |
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394 class cborformatter(baseformatter): |
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395 '''serialize items as an indefinite-length CBOR array''' |
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396 |
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397 def __init__(self, ui, out, topic, opts): |
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398 baseformatter.__init__(self, ui, topic, opts, _nullconverter) |
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399 self._out = out |
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400 self._out.write(cborutil.BEGIN_INDEFINITE_ARRAY) |
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401 |
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402 def _showitem(self): |
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403 self._out.write(b''.join(cborutil.streamencode(self._item))) |
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404 |
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405 def end(self): |
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406 baseformatter.end(self) |
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407 self._out.write(cborutil.BREAK) |
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408 |
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409 |
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410 class jsonformatter(baseformatter): |
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411 def __init__(self, ui, out, topic, opts): |
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412 baseformatter.__init__(self, ui, topic, opts, _nullconverter) |
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413 self._out = out |
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414 self._out.write(b"[") |
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415 self._first = True |
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416 |
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417 def _showitem(self): |
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418 if self._first: |
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419 self._first = False |
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420 else: |
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421 self._out.write(b",") |
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422 |
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423 self._out.write(b"\n {\n") |
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424 first = True |
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425 for k, v in sorted(self._item.items()): |
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426 if first: |
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427 first = False |
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428 else: |
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429 self._out.write(b",\n") |
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430 u = templatefilters.json(v, paranoid=False) |
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431 self._out.write(b' "%s": %s' % (k, u)) |
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432 self._out.write(b"\n }") |
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433 |
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434 def end(self): |
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435 baseformatter.end(self) |
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436 self._out.write(b"\n]\n") |
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437 |
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438 |
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439 class _templateconverter(object): |
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440 '''convert non-primitive data types to be processed by templater''' |
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441 |
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442 storecontext = True |
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443 |
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444 @staticmethod |
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445 def wrapnested(data, tmpl, sep): |
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446 '''wrap nested data by templatable type''' |
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447 return templateutil.mappinglist(data, tmpl=tmpl, sep=sep) |
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448 |
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449 @staticmethod |
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450 def formatdate(date, fmt): |
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451 '''return date tuple''' |
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452 return templateutil.date(date) |
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453 |
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454 @staticmethod |
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455 def formatdict(data, key, value, fmt, sep): |
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456 '''build object that can be evaluated as either plain string or dict''' |
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457 data = util.sortdict(_iteritems(data)) |
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458 |
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459 def f(): |
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460 yield _plainconverter.formatdict(data, key, value, fmt, sep) |
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461 |
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462 return templateutil.hybriddict( |
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463 data, key=key, value=value, fmt=fmt, gen=f |
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464 ) |
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465 |
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466 @staticmethod |
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467 def formatlist(data, name, fmt, sep): |
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468 '''build object that can be evaluated as either plain string or list''' |
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469 data = list(data) |
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470 |
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471 def f(): |
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472 yield _plainconverter.formatlist(data, name, fmt, sep) |
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473 |
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474 return templateutil.hybridlist(data, name=name, fmt=fmt, gen=f) |
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475 |
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476 |
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477 class templateformatter(baseformatter): |
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478 def __init__(self, ui, out, topic, opts, spec, overridetemplates=None): |
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479 baseformatter.__init__(self, ui, topic, opts, _templateconverter) |
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480 self._out = out |
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481 self._tref = spec.ref |
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482 self._t = loadtemplater( |
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483 ui, |
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484 spec, |
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485 defaults=templatekw.keywords, |
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486 resources=templateresources(ui), |
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487 cache=templatekw.defaulttempl, |
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488 ) |
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489 if overridetemplates: |
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490 self._t.cache.update(overridetemplates) |
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491 self._parts = templatepartsmap( |
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492 spec, self._t, [b'docheader', b'docfooter', b'separator'] |
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493 ) |
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494 self._counter = itertools.count() |
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495 self._renderitem(b'docheader', {}) |
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496 |
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497 def _showitem(self): |
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498 item = self._item.copy() |
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499 item[b'index'] = index = next(self._counter) |
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500 if index > 0: |
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501 self._renderitem(b'separator', {}) |
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502 self._renderitem(self._tref, item) |
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503 |
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504 def _renderitem(self, part, item): |
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505 if part not in self._parts: |
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506 return |
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507 ref = self._parts[part] |
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508 self._out.write(self._t.render(ref, item)) |
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509 |
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510 @util.propertycache |
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511 def _symbolsused(self): |
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512 return self._t.symbolsused(self._tref) |
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513 |
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514 def datahint(self): |
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515 '''set of field names to be referenced from the template''' |
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516 return self._symbolsused[0] |
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517 |
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518 def end(self): |
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519 baseformatter.end(self) |
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520 self._renderitem(b'docfooter', {}) |
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521 |
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522 |
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523 @attr.s(frozen=True) |
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524 class templatespec(object): |
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525 ref = attr.ib() |
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526 tmpl = attr.ib() |
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527 mapfile = attr.ib() |
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528 refargs = attr.ib(default=None) |
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529 |
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530 |
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531 def lookuptemplate(ui, topic, tmpl): |
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532 """Find the template matching the given -T/--template spec 'tmpl' |
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formatter: document lookuptemplate()
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533 |
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534 'tmpl' can be any of the following: |
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535 |
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536 - a literal template (e.g. '{rev}') |
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537 - a reference to built-in template (i.e. formatter) |
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538 - a map-file name or path (e.g. 'changelog') |
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formatter: document lookuptemplate()
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539 - a reference to [templates] in config file |
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540 - a path to raw template file |
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|
541 |
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542 A map file defines a stand-alone template environment. If a map file |
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543 selected, all templates defined in the file will be loaded, and the |
34715
f17a0e18c47e
templater: load aliases from [templatealias] section in map file
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|
544 template matching the given topic will be rendered. Aliases won't be |
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545 loaded from user config, but from the map file. |
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|
546 |
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547 If no map file selected, all templates in [templates] section will be |
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|
548 available as well as aliases in [templatealias]. |
32835
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549 """ |
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|
550 |
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551 if not tmpl: |
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552 return templatespec(None, None, None) |
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553 |
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554 # looks like a literal template? |
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555 if b'{' in tmpl: |
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556 return templatespec(b'', tmpl, None) |
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|
557 |
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558 # a reference to built-in (formatter) template |
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559 if tmpl in {b'cbor', b'json', b'pickle', b'debug'}: |
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560 return templatespec(tmpl, None, None) |
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|
561 |
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|
562 # a function-style reference to built-in template |
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|
563 func, fsep, ftail = tmpl.partition(b'(') |
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564 if func in {b'cbor', b'json'} and fsep and ftail.endswith(b')'): |
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|
565 templater.parseexpr(tmpl) # make sure syntax errors are confined |
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|
566 return templatespec(func, None, None, refargs=ftail[:-1]) |
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|
567 |
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|
568 # perhaps a stock style? |
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|
569 if not os.path.split(tmpl)[0]: |
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|
570 mapname = templater.templatepath( |
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|
571 b'map-cmdline.' + tmpl |
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diff
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|
572 ) or templater.templatepath(tmpl) |
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|
573 if mapname and os.path.isfile(mapname): |
32840
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diff
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|
574 return templatespec(topic, None, mapname) |
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|
575 |
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|
576 # perhaps it's a reference to [templates] |
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|
577 if ui.config(b'templates', tmpl): |
32875
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|
578 return templatespec(tmpl, None, None) |
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|
579 |
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|
580 if tmpl == b'list': |
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|
581 ui.write(_(b"available styles: %s\n") % templater.stylelist()) |
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|
582 raise error.Abort(_(b"specify a template")) |
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|
583 |
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|
584 # perhaps it's a path to a map or a template |
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|
585 if (b'/' in tmpl or b'\\' in tmpl) and os.path.isfile(tmpl): |
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|
586 # is it a mapfile for a style? |
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|
587 if os.path.basename(tmpl).startswith(b"map-"): |
32840
57c13c0d1cde
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|
588 return templatespec(topic, None, os.path.realpath(tmpl)) |
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|
589 with util.posixfile(tmpl, b'rb') as f: |
32828
526f9f12f707
formatter: close raw template file explicitly
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32581
diff
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|
590 tmpl = f.read() |
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|
591 return templatespec(b'', tmpl, None) |
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diff
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|
592 |
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changeset
|
593 # constant string? |
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|
594 return templatespec(b'', tmpl, None) |
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|
595 |
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diff
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|
596 |
32949
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changeset
|
597 def templatepartsmap(spec, t, partnames): |
13eebc189ff3
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|
598 """Create a mapping of {part: ref}""" |
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|
599 partsmap = {spec.ref: spec.ref} # initial ref must exist in t |
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|
600 if spec.mapfile: |
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diff
changeset
|
601 partsmap.update((p, p) for p in partnames if p in t) |
32952
61b60b28c381
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parents:
32950
diff
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|
602 elif spec.ref: |
61b60b28c381
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|
603 for part in partnames: |
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|
604 ref = b'%s:%s' % (spec.ref, part) # select config sub-section |
32952
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|
605 if ref in t: |
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diff
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|
606 partsmap[part] = ref |
32949
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|
607 return partsmap |
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|
608 |
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|
609 |
35483
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templater: register keywords to defaults table
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|
610 def loadtemplater(ui, spec, defaults=None, resources=None, cache=None): |
32832
11e667a8fcba
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diff
changeset
|
611 """Create a templater from either a literal template or loading from |
11e667a8fcba
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|
612 a map file""" |
32838
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changeset
|
613 assert not (spec.tmpl and spec.mapfile) |
615ec3f14aa9
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changeset
|
614 if spec.mapfile: |
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615 frommapfile = templater.templater.frommapfile |
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616 return frommapfile( |
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617 spec.mapfile, defaults=defaults, resources=resources, cache=cache |
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618 ) |
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619 return maketemplater( |
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620 ui, spec.tmpl, defaults=defaults, resources=resources, cache=cache |
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621 ) |
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622 |
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623 |
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624 def maketemplater(ui, tmpl, defaults=None, resources=None, cache=None): |
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625 """Create a templater from a string template 'tmpl'""" |
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626 aliases = ui.configitems(b'templatealias') |
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627 t = templater.templater( |
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628 defaults=defaults, resources=resources, cache=cache, aliases=aliases |
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629 ) |
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630 t.cache.update( |
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631 (k, templater.unquotestring(v)) for k, v in ui.configitems(b'templates') |
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632 ) |
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633 if tmpl: |
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634 t.cache[b''] = tmpl |
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635 return t |
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636 |
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637 |
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638 # marker to denote a resource to be loaded on demand based on mapping values |
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639 # (e.g. (ctx, path) -> fctx) |
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640 _placeholder = object() |
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641 |
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642 |
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643 class templateresources(templater.resourcemapper): |
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644 """Resource mapper designed for the default templatekw and function""" |
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645 |
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646 def __init__(self, ui, repo=None): |
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647 self._resmap = { |
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648 b'cache': {}, # for templatekw/funcs to store reusable data |
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649 b'repo': repo, |
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650 b'ui': ui, |
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651 } |
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652 |
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653 def availablekeys(self, mapping): |
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654 return { |
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655 k for k in self.knownkeys() if self._getsome(mapping, k) is not None |
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656 } |
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657 |
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658 def knownkeys(self): |
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659 return {b'cache', b'ctx', b'fctx', b'repo', b'revcache', b'ui'} |
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660 |
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661 def lookup(self, mapping, key): |
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662 if key not in self.knownkeys(): |
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663 return None |
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664 v = self._getsome(mapping, key) |
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665 if v is _placeholder: |
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666 v = mapping[key] = self._loadermap[key](self, mapping) |
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667 return v |
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668 |
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669 def populatemap(self, context, origmapping, newmapping): |
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670 mapping = {} |
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671 if self._hasnodespec(newmapping): |
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672 mapping[b'revcache'] = {} # per-ctx cache |
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673 if self._hasnodespec(origmapping) and self._hasnodespec(newmapping): |
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674 orignode = templateutil.runsymbol(context, origmapping, b'node') |
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675 mapping[b'originalnode'] = orignode |
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676 # put marker to override 'ctx'/'fctx' in mapping if any, and flag |
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677 # its existence to be reported by availablekeys() |
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678 if b'ctx' not in newmapping and self._hasliteral(newmapping, b'node'): |
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679 mapping[b'ctx'] = _placeholder |
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680 if b'fctx' not in newmapping and self._hasliteral(newmapping, b'path'): |
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681 mapping[b'fctx'] = _placeholder |
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682 return mapping |
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683 |
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684 def _getsome(self, mapping, key): |
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685 v = mapping.get(key) |
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686 if v is not None: |
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687 return v |
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688 return self._resmap.get(key) |
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689 |
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690 def _hasliteral(self, mapping, key): |
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691 """Test if a literal value is set or unset in the given mapping""" |
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692 return key in mapping and not callable(mapping[key]) |
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693 |
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694 def _getliteral(self, mapping, key): |
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695 """Return value of the given name if it is a literal""" |
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696 v = mapping.get(key) |
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697 if callable(v): |
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698 return None |
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699 return v |
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700 |
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701 def _hasnodespec(self, mapping): |
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702 """Test if context revision is set or unset in the given mapping""" |
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703 return b'node' in mapping or b'ctx' in mapping |
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704 |
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705 def _loadctx(self, mapping): |
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706 repo = self._getsome(mapping, b'repo') |
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707 node = self._getliteral(mapping, b'node') |
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708 if repo is None or node is None: |
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709 return |
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710 try: |
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711 return repo[node] |
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712 except error.RepoLookupError: |
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713 return None # maybe hidden/non-existent node |
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714 |
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715 def _loadfctx(self, mapping): |
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716 ctx = self._getsome(mapping, b'ctx') |
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717 path = self._getliteral(mapping, b'path') |
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718 if ctx is None or path is None: |
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719 return None |
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720 try: |
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721 return ctx[path] |
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722 except error.LookupError: |
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723 return None # maybe removed file? |
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724 |
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725 _loadermap = { |
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726 b'ctx': _loadctx, |
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727 b'fctx': _loadfctx, |
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728 } |
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Yuya Nishihara <yuya@tcha.org>
parents:
39585
diff
changeset
|
729 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41996
diff
changeset
|
730 |
43101
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
Yuya Nishihara <yuya@tcha.org>
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diff
changeset
|
731 def _internaltemplateformatter( |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
732 ui, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
733 out, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
734 topic, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
735 opts, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
736 spec, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
737 tmpl, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
738 docheader=b'', |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
739 docfooter=b'', |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
740 separator=b'', |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
741 ): |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
742 """Build template formatter that handles customizable built-in templates |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
743 such as -Tjson(...)""" |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
744 templates = {spec.ref: tmpl} |
1d12ae5096d1
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diff
changeset
|
745 if docheader: |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
746 templates[b'%s:docheader' % spec.ref] = docheader |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
747 if docfooter: |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
748 templates[b'%s:docfooter' % spec.ref] = docfooter |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
749 if separator: |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
750 templates[b'%s:separator' % spec.ref] = separator |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
751 return templateformatter( |
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diff
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|
752 ui, out, topic, opts, spec, overridetemplates=templates |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
753 ) |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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parents:
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diff
changeset
|
754 |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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parents:
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diff
changeset
|
755 |
32579
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formatter: add option to redirect output to file object
Yuya Nishihara <yuya@tcha.org>
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32159
diff
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|
756 def formatter(ui, out, topic, opts): |
43100
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formatter: parse name of built-in formatter templates in standard way
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diff
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|
757 spec = lookuptemplate(ui, topic, opts.get(b'template', b'')) |
43101
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
758 if spec.ref == b"cbor" and spec.refargs is not None: |
1d12ae5096d1
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|
759 return _internaltemplateformatter( |
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|
760 ui, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
761 out, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
762 topic, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
763 opts, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
764 spec, |
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
765 tmpl=b'{dict(%s)|cbor}' % spec.refargs, |
1d12ae5096d1
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|
766 docheader=cborutil.BEGIN_INDEFINITE_ARRAY, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
767 docfooter=cborutil.BREAK, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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parents:
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diff
changeset
|
768 ) |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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parents:
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diff
changeset
|
769 elif spec.ref == b"cbor": |
41996
77ef3498ceb3
template: add CBOR output format
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parents:
40277
diff
changeset
|
770 return cborformatter(ui, out, topic, opts) |
43101
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diff
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|
771 elif spec.ref == b"json" and spec.refargs is not None: |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
772 return _internaltemplateformatter( |
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diff
changeset
|
773 ui, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
774 out, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
775 topic, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
776 opts, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
777 spec, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
778 tmpl=b'{dict(%s)|json}' % spec.refargs, |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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|
779 docheader=b'[\n ', |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
780 docfooter=b'\n]\n', |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
781 separator=b',\n ', |
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
782 ) |
43100
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formatter: parse name of built-in formatter templates in standard way
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parents:
43099
diff
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|
783 elif spec.ref == b"json": |
32579
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parents:
32159
diff
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|
784 return jsonformatter(ui, out, topic, opts) |
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formatter: parse name of built-in formatter templates in standard way
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diff
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|
785 elif spec.ref == b"pickle": |
43101
1d12ae5096d1
formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
786 assert spec.refargs is None, r'function-style not supported' |
32579
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|
787 return pickleformatter(ui, out, topic, opts) |
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diff
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|
788 elif spec.ref == b"debug": |
43101
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
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|
789 assert spec.refargs is None, r'function-style not supported' |
32579
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|
790 return debugformatter(ui, out, topic, opts) |
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diff
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|
791 elif spec.ref or spec.tmpl or spec.mapfile: |
43101
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formatter: map -Tjson(...) and -Tcbor(...) to templater
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diff
changeset
|
792 assert spec.refargs is None, r'function-style not supported' |
43099
f1c5358f0d65
formatter: pass in template spec to templateformatter as argument
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parents:
43077
diff
changeset
|
793 return templateformatter(ui, out, topic, opts, spec) |
25838
31137258ae8b
formatter: mark developer options
Matt Mackall <mpm@selenic.com>
parents:
25513
diff
changeset
|
794 # developer config: ui.formatdebug |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
795 elif ui.configbool(b'ui', b'formatdebug'): |
32579
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diff
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|
796 return debugformatter(ui, out, topic, opts) |
25838
31137258ae8b
formatter: mark developer options
Matt Mackall <mpm@selenic.com>
parents:
25513
diff
changeset
|
797 # deprecated config: ui.formatjson |
43077
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
798 elif ui.configbool(b'ui', b'formatjson'): |
32579
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|
799 return jsonformatter(ui, out, topic, opts) |
012e0da5b759
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diff
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|
800 return plainformatter(ui, out, topic, opts) |
32580
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diff
changeset
|
801 |
43076
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formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41996
diff
changeset
|
802 |
32580
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formatter: add helper to create a formatter optionally backed by file
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parents:
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diff
changeset
|
803 @contextlib.contextmanager |
35985d407d49
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diff
changeset
|
804 def openformatter(ui, filename, topic, opts): |
35985d407d49
formatter: add helper to create a formatter optionally backed by file
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diff
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|
805 """Create a formatter that writes outputs to the specified file |
35985d407d49
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diff
changeset
|
806 |
35985d407d49
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parents:
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diff
changeset
|
807 Must be invoked using the 'with' statement. |
35985d407d49
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diff
changeset
|
808 """ |
43077
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diff
changeset
|
809 with util.posixfile(filename, b'wb') as out: |
32580
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diff
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|
810 with formatter(ui, out, topic, opts) as fm: |
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diff
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|
811 yield fm |
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parents:
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diff
changeset
|
812 |
43076
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Augie Fackler <augie@google.com>
parents:
41996
diff
changeset
|
813 |
32580
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diff
changeset
|
814 @contextlib.contextmanager |
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diff
changeset
|
815 def _neverending(fm): |
35985d407d49
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|
816 yield fm |
35985d407d49
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diff
changeset
|
817 |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
818 |
37597
d110167610db
formatter: carry opts to file-based formatters by basefm
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parents:
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diff
changeset
|
819 def maybereopen(fm, filename): |
32580
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diff
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|
820 """Create a formatter backed by file if filename specified, else return |
35985d407d49
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diff
changeset
|
821 the given formatter |
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diff
changeset
|
822 |
35985d407d49
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changeset
|
823 Must be invoked using the 'with' statement. This will never call fm.end() |
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|
824 of the given formatter. |
35985d407d49
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diff
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|
825 """ |
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changeset
|
826 if filename: |
37597
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|
827 return openformatter(fm._ui, filename, fm._topic, fm._opts) |
32580
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|
828 else: |
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changeset
|
829 return _neverending(fm) |