Mercurial > hg
annotate mercurial/templatefilters.py @ 50076:63c4e9639753
dirstate: generalize the dirstate's invalidation on transaction abort
The previous code was too specific, we should add the invalidation at next to
the `addfilegenerator` in the `write` call.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Thu, 16 Feb 2023 02:34:54 +0100 |
parents | c96ed4029fda |
children | 046b9cce5850 |
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1 # templatefilters.py - common template expansion filters |
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2 # |
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3 # Copyright 2005-2008 Olivia Mackall <olivia@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 |
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9 import os |
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10 import re |
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11 import time |
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12 |
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13 from .i18n import _ |
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14 from .node import hex |
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15 from . import ( |
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16 encoding, |
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17 error, |
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18 pycompat, |
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19 registrar, |
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20 smartset, |
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21 templateutil, |
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22 url, |
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23 util, |
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24 ) |
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25 from .utils import ( |
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26 cborutil, |
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27 dateutil, |
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28 stringutil, |
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29 ) |
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30 |
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31 urlerr = util.urlerr |
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32 urlreq = util.urlreq |
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33 |
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34 # filters are callables like: |
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35 # fn(obj) |
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36 # with: |
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37 # obj - object to be filtered (text, date, list and so on) |
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38 filters = {} |
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39 |
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40 templatefilter = registrar.templatefilter(filters) |
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41 |
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42 |
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43 @templatefilter(b'addbreaks', intype=bytes) |
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44 def addbreaks(text): |
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45 """Any text. Add an XHTML "<br />" tag before the end of |
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46 every line except the last. |
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47 """ |
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48 return text.replace(b'\n', b'<br/>\n') |
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49 |
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50 |
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51 agescales = [ |
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52 (b"year", 3600 * 24 * 365, b'Y'), |
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53 (b"month", 3600 * 24 * 30, b'M'), |
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54 (b"week", 3600 * 24 * 7, b'W'), |
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55 (b"day", 3600 * 24, b'd'), |
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56 (b"hour", 3600, b'h'), |
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57 (b"minute", 60, b'm'), |
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58 (b"second", 1, b's'), |
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59 ] |
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60 |
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61 |
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62 @templatefilter(b'age', intype=templateutil.date) |
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63 def age(date, abbrev=False): |
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64 """Date. Returns a human-readable date/time difference between the |
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65 given date/time and the current date/time. |
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66 """ |
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67 |
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68 def plural(t, c): |
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69 if c == 1: |
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70 return t |
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71 return t + b"s" |
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72 |
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73 def fmt(t, c, a): |
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74 if abbrev: |
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75 return b"%d%s" % (c, a) |
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76 return b"%d %s" % (c, plural(t, c)) |
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77 |
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78 now = time.time() |
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79 then = date[0] |
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80 future = False |
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81 if then > now: |
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82 future = True |
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83 delta = max(1, int(then - now)) |
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84 if delta > agescales[0][1] * 30: |
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85 return b'in the distant future' |
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86 else: |
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87 delta = max(1, int(now - then)) |
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88 if delta > agescales[0][1] * 2: |
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89 return dateutil.shortdate(date) |
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90 |
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91 for t, s, a in agescales: |
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92 n = delta // s |
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93 if n >= 2 or s == 1: |
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94 if future: |
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95 return b'%s from now' % fmt(t, n, a) |
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96 return b'%s ago' % fmt(t, n, a) |
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97 |
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98 |
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99 @templatefilter(b'basename', intype=bytes) |
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100 def basename(path): |
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101 """Any text. Treats the text as a path, and returns the last |
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102 component of the path after splitting by the path separator. |
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103 For example, "foo/bar/baz" becomes "baz" and "foo/bar//" becomes "". |
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104 """ |
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105 return os.path.basename(path) |
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106 |
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107 |
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108 def _tocborencodable(obj): |
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109 if isinstance(obj, smartset.abstractsmartset): |
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110 return list(obj) |
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111 return obj |
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112 |
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113 |
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114 @templatefilter(b'cbor') |
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115 def cbor(obj): |
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116 """Any object. Serializes the object to CBOR bytes.""" |
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117 # cborutil is stricter about type than json() filter |
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118 obj = pycompat.rapply(_tocborencodable, obj) |
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119 return b''.join(cborutil.streamencode(obj)) |
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120 |
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121 |
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122 @templatefilter(b'commondir') |
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123 def commondir(filelist): |
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124 """List of text. Treats each list item as file name with / |
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125 as path separator and returns the longest common directory |
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126 prefix shared by all list items. |
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127 Returns the empty string if no common prefix exists. |
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128 |
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129 The list items are not normalized, i.e. "foo/../bar" is handled as |
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130 file "bar" in the directory "foo/..". Leading slashes are ignored. |
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131 |
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132 For example, ["foo/bar/baz", "foo/baz/bar"] becomes "foo" and |
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133 ["foo/bar", "baz"] becomes "". |
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134 """ |
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135 |
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136 def common(a, b): |
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137 if len(a) > len(b): |
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138 a = b[: len(a)] |
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139 elif len(b) > len(a): |
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140 b = b[: len(a)] |
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141 if a == b: |
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142 return a |
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143 for i in range(len(a)): |
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144 if a[i] != b[i]: |
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145 return a[:i] |
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146 return a |
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147 |
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148 try: |
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149 if not filelist: |
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150 return b"" |
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151 dirlist = [f.lstrip(b'/').split(b'/')[:-1] for f in filelist] |
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152 if len(dirlist) == 1: |
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153 return b'/'.join(dirlist[0]) |
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154 a = min(dirlist) |
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155 b = max(dirlist) |
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156 # The common prefix of a and b is shared with all |
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157 # elements of the list since Python sorts lexicographical |
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158 # and [1, x] after [1]. |
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159 return b'/'.join(common(a, b)) |
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160 except TypeError: |
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161 raise error.ParseError(_(b'argument is not a list of text')) |
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162 |
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163 |
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164 @templatefilter(b'count') |
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165 def count(i): |
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166 """List or text. Returns the length as an integer.""" |
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167 try: |
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168 return len(i) |
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169 except TypeError: |
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170 raise error.ParseError(_(b'not countable')) |
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171 |
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172 |
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173 @templatefilter(b'dirname', intype=bytes) |
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174 def dirname(path): |
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175 """Any text. Treats the text as a path, and strips the last |
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176 component of the path after splitting by the path separator. |
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177 """ |
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178 return os.path.dirname(path) |
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179 |
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180 |
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181 @templatefilter(b'domain', intype=bytes) |
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182 def domain(author): |
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183 """Any text. Finds the first string that looks like an email |
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184 address, and extracts just the domain component. Example: ``User |
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185 <user@example.com>`` becomes ``example.com``. |
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186 """ |
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187 f = author.find(b'@') |
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188 if f == -1: |
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189 return b'' |
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190 author = author[f + 1 :] |
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191 f = author.find(b'>') |
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192 if f >= 0: |
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193 author = author[:f] |
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194 return author |
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195 |
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196 |
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197 @templatefilter(b'email', intype=bytes) |
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198 def email(text): |
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199 """Any text. Extracts the first string that looks like an email |
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200 address. Example: ``User <user@example.com>`` becomes |
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201 ``user@example.com``. |
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202 """ |
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203 return stringutil.email(text) |
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204 |
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205 |
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206 @templatefilter(b'escape', intype=bytes) |
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207 def escape(text): |
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208 """Any text. Replaces the special XML/XHTML characters "&", "<" |
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209 and ">" with XML entities, and filters out NUL characters. |
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210 """ |
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211 return url.escape(text.replace(b'\0', b''), True) |
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212 |
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213 |
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214 para_re = None |
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215 space_re = None |
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216 |
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217 |
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218 def fill(text, width, initindent=b'', hangindent=b''): |
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219 '''fill many paragraphs with optional indentation.''' |
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220 global para_re, space_re |
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221 if para_re is None: |
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222 para_re = re.compile(b'(\n\n|\n\\s*[-*]\\s*)', re.M) |
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223 space_re = re.compile(br' +') |
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224 |
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225 def findparas(): |
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226 start = 0 |
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227 while True: |
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228 m = para_re.search(text, start) |
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229 if not m: |
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230 uctext = encoding.unifromlocal(text[start:]) |
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231 w = len(uctext) |
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232 while w > 0 and uctext[w - 1].isspace(): |
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233 w -= 1 |
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234 yield ( |
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235 encoding.unitolocal(uctext[:w]), |
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236 encoding.unitolocal(uctext[w:]), |
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237 ) |
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238 break |
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239 yield text[start : m.start(0)], m.group(1) |
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240 start = m.end(1) |
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241 |
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242 return b"".join( |
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243 [ |
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244 stringutil.wrap( |
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245 space_re.sub(b' ', stringutil.wrap(para, width)), |
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246 width, |
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247 initindent, |
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248 hangindent, |
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249 ) |
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250 + rest |
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251 for para, rest in findparas() |
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252 ] |
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253 ) |
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254 |
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255 |
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256 @templatefilter(b'fill68', intype=bytes) |
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257 def fill68(text): |
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258 """Any text. Wraps the text to fit in 68 columns.""" |
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259 return fill(text, 68) |
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260 |
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261 |
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262 @templatefilter(b'fill76', intype=bytes) |
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263 def fill76(text): |
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264 """Any text. Wraps the text to fit in 76 columns.""" |
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265 return fill(text, 76) |
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266 |
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267 |
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268 @templatefilter(b'firstline', intype=bytes) |
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269 def firstline(text): |
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270 """Any text. Returns the first line of text.""" |
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271 return stringutil.firstline(text) |
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272 |
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273 |
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274 @templatefilter(b'hex', intype=bytes) |
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275 def hexfilter(text): |
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276 """Any text. Convert a binary Mercurial node identifier into |
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277 its long hexadecimal representation. |
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278 """ |
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279 return hex(text) |
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280 |
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281 |
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282 @templatefilter(b'hgdate', intype=templateutil.date) |
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283 def hgdate(text): |
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284 """Date. Returns the date as a pair of numbers: "1157407993 |
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285 25200" (Unix timestamp, timezone offset). |
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286 """ |
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287 return b"%d %d" % text |
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288 |
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289 |
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290 @templatefilter(b'isodate', intype=templateutil.date) |
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291 def isodate(text): |
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292 """Date. Returns the date in ISO 8601 format: "2009-08-18 13:00 |
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293 +0200". |
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294 """ |
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295 return dateutil.datestr(text, b'%Y-%m-%d %H:%M %1%2') |
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296 |
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297 |
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298 @templatefilter(b'isodatesec', intype=templateutil.date) |
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299 def isodatesec(text): |
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300 """Date. Returns the date in ISO 8601 format, including |
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301 seconds: "2009-08-18 13:00:13 +0200". See also the rfc3339date |
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302 filter. |
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303 """ |
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304 return dateutil.datestr(text, b'%Y-%m-%d %H:%M:%S %1%2') |
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305 |
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306 |
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307 def indent(text, prefix, firstline=b''): |
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308 '''indent each non-empty line of text after first with prefix.''' |
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309 lines = text.splitlines() |
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310 num_lines = len(lines) |
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311 endswithnewline = text[-1:] == b'\n' |
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312 |
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313 def indenter(): |
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314 for i in range(num_lines): |
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315 l = lines[i] |
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316 if l.strip(): |
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317 yield prefix if i else firstline |
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318 yield l |
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319 if i < num_lines - 1 or endswithnewline: |
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320 yield b'\n' |
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321 |
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322 return b"".join(indenter()) |
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323 |
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324 |
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325 @templatefilter(b'json') |
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326 def json(obj, paranoid=True): |
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327 """Any object. Serializes the object to a JSON formatted text.""" |
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328 if obj is None: |
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329 return b'null' |
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330 elif obj is False: |
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331 return b'false' |
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332 elif obj is True: |
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333 return b'true' |
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334 elif isinstance(obj, (int, int, float)): |
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335 return pycompat.bytestr(obj) |
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336 elif isinstance(obj, bytes): |
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337 return b'"%s"' % encoding.jsonescape(obj, paranoid=paranoid) |
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338 elif isinstance(obj, type(u'')): |
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339 raise error.ProgrammingError( |
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340 b'Mercurial only does output with bytes: %r' % obj |
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341 ) |
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342 elif util.safehasattr(obj, b'keys'): |
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343 out = [ |
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344 b'"%s": %s' |
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345 % (encoding.jsonescape(k, paranoid=paranoid), json(v, paranoid)) |
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346 for k, v in sorted(obj.items()) |
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347 ] |
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348 return b'{' + b', '.join(out) + b'}' |
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349 elif util.safehasattr(obj, b'__iter__'): |
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350 out = [json(i, paranoid) for i in obj] |
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351 return b'[' + b', '.join(out) + b']' |
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352 raise error.ProgrammingError(b'cannot encode %r' % obj) |
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353 |
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354 |
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355 @templatefilter(b'lower', intype=bytes) |
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356 def lower(text): |
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357 """Any text. Converts the text to lowercase.""" |
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358 return encoding.lower(text) |
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359 |
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360 |
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361 @templatefilter(b'nonempty', intype=bytes) |
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362 def nonempty(text): |
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363 """Any text. Returns '(none)' if the string is empty.""" |
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364 return text or b"(none)" |
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365 |
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366 |
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367 @templatefilter(b'obfuscate', intype=bytes) |
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368 def obfuscate(text): |
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369 """Any text. Returns the input text rendered as a sequence of |
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370 XML entities. |
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371 """ |
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372 text = str(text, pycompat.sysstr(encoding.encoding), r'replace') |
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373 return b''.join([b'&#%d;' % ord(c) for c in text]) |
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374 |
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375 |
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376 @templatefilter(b'permissions', intype=bytes) |
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377 def permissions(flags): |
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378 if b"l" in flags: |
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379 return b"lrwxrwxrwx" |
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380 if b"x" in flags: |
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381 return b"-rwxr-xr-x" |
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382 return b"-rw-r--r--" |
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383 |
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384 |
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385 @templatefilter(b'person', intype=bytes) |
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386 def person(author): |
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387 """Any text. Returns the name before an email address, |
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388 interpreting it as per RFC 5322. |
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389 """ |
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390 return stringutil.person(author) |
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391 |
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392 |
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393 @templatefilter(b'reverse') |
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394 def reverse(list_): |
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395 """List. Reverses the order of list items.""" |
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396 if isinstance(list_, list): |
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397 return templateutil.hybridlist(list_[::-1], name=b'item') |
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398 raise error.ParseError(_(b'not reversible')) |
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399 |
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400 |
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401 @templatefilter(b'revescape', intype=bytes) |
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402 def revescape(text): |
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403 """Any text. Escapes all "special" characters, except @. |
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404 Forward slashes are escaped twice to prevent web servers from prematurely |
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405 unescaping them. For example, "@foo bar/baz" becomes "@foo%20bar%252Fbaz". |
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406 """ |
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407 return urlreq.quote(text, safe=b'/@').replace(b'/', b'%252F') |
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408 |
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409 |
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410 @templatefilter(b'rfc3339date', intype=templateutil.date) |
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411 def rfc3339date(text): |
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412 """Date. Returns a date using the Internet date format |
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413 specified in RFC 3339: "2009-08-18T13:00:13+02:00". |
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414 """ |
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415 return dateutil.datestr(text, b"%Y-%m-%dT%H:%M:%S%1:%2") |
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416 |
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417 |
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418 @templatefilter(b'rfc822date', intype=templateutil.date) |
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419 def rfc822date(text): |
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420 """Date. Returns a date using the same format used in email |
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421 headers: "Tue, 18 Aug 2009 13:00:13 +0200". |
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422 """ |
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423 return dateutil.datestr(text, b"%a, %d %b %Y %H:%M:%S %1%2") |
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424 |
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425 |
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426 @templatefilter(b'short', intype=bytes) |
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427 def short(text): |
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428 """Changeset hash. Returns the short form of a changeset hash, |
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429 i.e. a 12 hexadecimal digit string. |
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430 """ |
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431 return text[:12] |
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432 |
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433 |
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434 @templatefilter(b'shortbisect', intype=bytes) |
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435 def shortbisect(label): |
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436 """Any text. Treats `label` as a bisection status, and |
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437 returns a single-character representing the status (G: good, B: bad, |
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438 S: skipped, U: untested, I: ignored). Returns single space if `text` |
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439 is not a valid bisection status. |
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440 """ |
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441 if label: |
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442 return label[0:1].upper() |
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443 return b' ' |
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444 |
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445 |
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446 @templatefilter(b'shortdate', intype=templateutil.date) |
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447 def shortdate(text): |
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448 """Date. Returns a date like "2006-09-18".""" |
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449 return dateutil.shortdate(text) |
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450 |
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451 |
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452 @templatefilter(b'slashpath', intype=bytes) |
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453 def slashpath(path): |
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454 """Any text. Replaces the native path separator with slash.""" |
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455 return util.pconvert(path) |
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456 |
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457 |
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458 @templatefilter(b'splitlines', intype=bytes) |
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459 def splitlines(text): |
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460 """Any text. Split text into a list of lines.""" |
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461 return templateutil.hybridlist(text.splitlines(), name=b'line') |
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462 |
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463 |
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464 @templatefilter(b'stringescape', intype=bytes) |
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465 def stringescape(text): |
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466 return stringutil.escapestr(text) |
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467 |
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468 |
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469 @templatefilter(b'stringify', intype=bytes) |
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470 def stringify(thing): |
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471 """Any type. Turns the value into text by converting values into |
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472 text and concatenating them. |
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473 """ |
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474 return thing # coerced by the intype |
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475 |
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476 |
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477 @templatefilter(b'stripdir', intype=bytes) |
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478 def stripdir(text): |
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479 """Treat the text as path and strip a directory level, if |
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480 possible. For example, "foo" and "foo/bar" becomes "foo". |
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481 """ |
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482 dir = os.path.dirname(text) |
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483 if dir == b"": |
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484 return os.path.basename(text) |
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485 else: |
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486 return dir |
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487 |
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488 |
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489 @templatefilter(b'tabindent', intype=bytes) |
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490 def tabindent(text): |
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491 """Any text. Returns the text, with every non-empty line |
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492 except the first starting with a tab character. |
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493 """ |
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494 return indent(text, b'\t') |
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495 |
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496 |
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497 @templatefilter(b'upper', intype=bytes) |
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498 def upper(text): |
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499 """Any text. Converts the text to uppercase.""" |
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500 return encoding.upper(text) |
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501 |
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502 |
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503 @templatefilter(b'urlescape', intype=bytes) |
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504 def urlescape(text): |
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505 """Any text. Escapes all "special" characters. For example, |
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506 "foo bar" becomes "foo%20bar". |
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507 """ |
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508 return urlreq.quote(text) |
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509 |
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510 |
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511 @templatefilter(b'user', intype=bytes) |
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512 def userfilter(text): |
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513 """Any text. Returns a short representation of a user name or email |
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514 address.""" |
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515 return stringutil.shortuser(text) |
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516 |
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517 |
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518 @templatefilter(b'emailuser', intype=bytes) |
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519 def emailuser(text): |
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520 """Any text. Returns the user portion of an email address.""" |
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521 return stringutil.emailuser(text) |
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522 |
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523 |
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524 @templatefilter(b'utf8', intype=bytes) |
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525 def utf8(text): |
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526 """Any text. Converts from the local character encoding to UTF-8.""" |
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527 return encoding.fromlocal(text) |
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528 |
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529 |
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530 @templatefilter(b'xmlescape', intype=bytes) |
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531 def xmlescape(text): |
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532 text = ( |
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533 text.replace(b'&', b'&') |
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534 .replace(b'<', b'<') |
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535 .replace(b'>', b'>') |
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536 .replace(b'"', b'"') |
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537 .replace(b"'", b''') |
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538 ) # ' invalid in HTML |
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539 return re.sub(b'[\x00-\x08\x0B\x0C\x0E-\x1F]', b' ', text) |
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540 |
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541 |
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542 def websub(text, websubtable): |
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543 """:websub: Any text. Only applies to hgweb. Applies the regular |
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544 expression replacements defined in the websub section. |
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545 """ |
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546 if websubtable: |
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547 for regexp, format in websubtable: |
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548 text = regexp.sub(format, text) |
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549 return text |
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550 |
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551 |
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552 def loadfilter(ui, extname, registrarobj): |
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553 """Load template filter from specified registrarobj""" |
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554 for name, func in registrarobj._table.items(): |
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555 filters[name] = func |
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556 |
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557 |
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558 # tell hggettext to extract docstrings from these functions: |
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559 i18nfunctions = filters.values() |