Mercurial > hg
annotate mercurial/templatefilters.py @ 28794:2637d6ad3e61
commands: disallow 'hg debugobsolete --index --rev <smth>'
A bug in the original --index implementation. The goal of --index is to allow
unique obsmarker identification that would be consistent between invocations
of this command in the unchanged repo. Further goal is to use this index to
delete arbitrary obsmarkers. So calling --index together with --rev would
cause obsmarker indices to be different than just calling --index. This is
not desired and current pattern for getting the index of an interesting
obsmarker is: `$ hg debugobsolete --index | grep <interesting hash>`.
It would clearly be better if we could somehow compute a hash of an obsmarker
and use it to identify the one we want to delete, but it seems a bit too
heavy for our current goals, so we can do this later if we want.
author | Kostia Balytskyi <ikostia@fb.com> |
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date | Fri, 01 Apr 2016 15:20:31 -0700 |
parents | 11f623b5668f |
children | 032c4c2f802a |
rev | line source |
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1 # template-filters.py - common template expansion filters |
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2 # |
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3 # Copyright 2005-2008 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import cgi |
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11 import os |
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12 import re |
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13 import time |
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14 import urllib |
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15 |
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16 from . import ( |
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17 encoding, |
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18 hbisect, |
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19 node, |
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20 registrar, |
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21 templatekw, |
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22 util, |
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23 ) |
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24 |
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25 # filters are callables like: |
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26 # fn(obj) |
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27 # with: |
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28 # obj - object to be filtered (text, date, list and so on) |
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29 filters = {} |
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30 |
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31 templatefilter = registrar.templatefilter(filters) |
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32 |
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33 @templatefilter('addbreaks') |
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34 def addbreaks(text): |
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35 """Any text. Add an XHTML "<br />" tag before the end of |
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36 every line except the last. |
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37 """ |
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38 return text.replace('\n', '<br/>\n') |
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39 |
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40 agescales = [("year", 3600 * 24 * 365, 'Y'), |
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41 ("month", 3600 * 24 * 30, 'M'), |
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42 ("week", 3600 * 24 * 7, 'W'), |
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43 ("day", 3600 * 24, 'd'), |
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44 ("hour", 3600, 'h'), |
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45 ("minute", 60, 'm'), |
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46 ("second", 1, 's')] |
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47 |
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48 @templatefilter('age') |
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49 def age(date, abbrev=False): |
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50 """Date. Returns a human-readable date/time difference between the |
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51 given date/time and the current date/time. |
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52 """ |
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53 |
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54 def plural(t, c): |
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55 if c == 1: |
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56 return t |
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57 return t + "s" |
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58 def fmt(t, c, a): |
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59 if abbrev: |
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60 return "%d%s" % (c, a) |
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61 return "%d %s" % (c, plural(t, c)) |
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62 |
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63 now = time.time() |
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64 then = date[0] |
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65 future = False |
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66 if then > now: |
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67 future = True |
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68 delta = max(1, int(then - now)) |
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69 if delta > agescales[0][1] * 30: |
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70 return 'in the distant future' |
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71 else: |
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72 delta = max(1, int(now - then)) |
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73 if delta > agescales[0][1] * 2: |
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74 return util.shortdate(date) |
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75 |
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76 for t, s, a in agescales: |
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77 n = delta // s |
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78 if n >= 2 or s == 1: |
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79 if future: |
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80 return '%s from now' % fmt(t, n, a) |
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81 return '%s ago' % fmt(t, n, a) |
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82 |
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83 @templatefilter('basename') |
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84 def basename(path): |
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85 """Any text. Treats the text as a path, and returns the last |
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86 component of the path after splitting by the path separator |
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87 (ignoring trailing separators). For example, "foo/bar/baz" becomes |
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88 "baz" and "foo/bar//" becomes "bar". |
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89 """ |
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90 return os.path.basename(path) |
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91 |
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92 @templatefilter('count') |
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93 def count(i): |
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94 """List or text. Returns the length as an integer.""" |
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95 return len(i) |
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96 |
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97 @templatefilter('domain') |
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98 def domain(author): |
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99 """Any text. Finds the first string that looks like an email |
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100 address, and extracts just the domain component. Example: ``User |
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101 <user@example.com>`` becomes ``example.com``. |
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102 """ |
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103 f = author.find('@') |
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104 if f == -1: |
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105 return '' |
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106 author = author[f + 1:] |
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107 f = author.find('>') |
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108 if f >= 0: |
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109 author = author[:f] |
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110 return author |
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111 |
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112 @templatefilter('email') |
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113 def email(text): |
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114 """Any text. Extracts the first string that looks like an email |
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115 address. Example: ``User <user@example.com>`` becomes |
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116 ``user@example.com``. |
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117 """ |
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118 return util.email(text) |
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119 |
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120 @templatefilter('escape') |
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121 def escape(text): |
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122 """Any text. Replaces the special XML/XHTML characters "&", "<" |
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123 and ">" with XML entities, and filters out NUL characters. |
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124 """ |
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125 return cgi.escape(text.replace('\0', ''), True) |
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126 |
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127 para_re = None |
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128 space_re = None |
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129 |
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130 def fill(text, width, initindent='', hangindent=''): |
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131 '''fill many paragraphs with optional indentation.''' |
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132 global para_re, space_re |
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133 if para_re is None: |
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134 para_re = re.compile('(\n\n|\n\\s*[-*]\\s*)', re.M) |
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135 space_re = re.compile(r' +') |
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136 |
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137 def findparas(): |
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138 start = 0 |
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139 while True: |
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140 m = para_re.search(text, start) |
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141 if not m: |
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142 uctext = unicode(text[start:], encoding.encoding) |
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143 w = len(uctext) |
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144 while 0 < w and uctext[w - 1].isspace(): |
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145 w -= 1 |
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146 yield (uctext[:w].encode(encoding.encoding), |
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147 uctext[w:].encode(encoding.encoding)) |
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148 break |
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149 yield text[start:m.start(0)], m.group(1) |
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150 start = m.end(1) |
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151 |
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152 return "".join([util.wrap(space_re.sub(' ', util.wrap(para, width)), |
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153 width, initindent, hangindent) + rest |
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154 for para, rest in findparas()]) |
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155 |
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156 @templatefilter('fill68') |
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157 def fill68(text): |
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158 """Any text. Wraps the text to fit in 68 columns.""" |
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159 return fill(text, 68) |
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160 |
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161 @templatefilter('fill76') |
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162 def fill76(text): |
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163 """Any text. Wraps the text to fit in 76 columns.""" |
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164 return fill(text, 76) |
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165 |
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166 @templatefilter('firstline') |
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167 def firstline(text): |
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168 """Any text. Returns the first line of text.""" |
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169 try: |
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170 return text.splitlines(True)[0].rstrip('\r\n') |
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171 except IndexError: |
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172 return '' |
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173 |
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174 @templatefilter('hex') |
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175 def hexfilter(text): |
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176 """Any text. Convert a binary Mercurial node identifier into |
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177 its long hexadecimal representation. |
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178 """ |
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179 return node.hex(text) |
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180 |
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181 @templatefilter('hgdate') |
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182 def hgdate(text): |
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183 """Date. Returns the date as a pair of numbers: "1157407993 |
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184 25200" (Unix timestamp, timezone offset). |
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185 """ |
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186 return "%d %d" % text |
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187 |
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188 @templatefilter('isodate') |
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189 def isodate(text): |
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190 """Date. Returns the date in ISO 8601 format: "2009-08-18 13:00 |
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191 +0200". |
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192 """ |
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193 return util.datestr(text, '%Y-%m-%d %H:%M %1%2') |
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194 |
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195 @templatefilter('isodatesec') |
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196 def isodatesec(text): |
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197 """Date. Returns the date in ISO 8601 format, including |
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198 seconds: "2009-08-18 13:00:13 +0200". See also the rfc3339date |
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199 filter. |
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200 """ |
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201 return util.datestr(text, '%Y-%m-%d %H:%M:%S %1%2') |
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202 |
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203 def indent(text, prefix): |
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204 '''indent each non-empty line of text after first with prefix.''' |
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205 lines = text.splitlines() |
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206 num_lines = len(lines) |
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207 endswithnewline = text[-1:] == '\n' |
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208 def indenter(): |
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209 for i in xrange(num_lines): |
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210 l = lines[i] |
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211 if i and l.strip(): |
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212 yield prefix |
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213 yield l |
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214 if i < num_lines - 1 or endswithnewline: |
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215 yield '\n' |
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216 return "".join(indenter()) |
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217 |
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218 @templatefilter('json') |
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219 def json(obj): |
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220 if obj is None or obj is False or obj is True: |
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221 return {None: 'null', False: 'false', True: 'true'}[obj] |
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222 elif isinstance(obj, int) or isinstance(obj, float): |
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223 return str(obj) |
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224 elif isinstance(obj, str): |
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225 return '"%s"' % encoding.jsonescape(obj, paranoid=True) |
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226 elif util.safehasattr(obj, 'keys'): |
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227 out = [] |
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228 for k, v in sorted(obj.iteritems()): |
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229 s = '%s: %s' % (json(k), json(v)) |
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230 out.append(s) |
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231 return '{' + ', '.join(out) + '}' |
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232 elif util.safehasattr(obj, '__iter__'): |
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233 out = [] |
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234 for i in obj: |
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235 out.append(json(i)) |
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236 return '[' + ', '.join(out) + ']' |
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237 elif util.safehasattr(obj, '__call__'): |
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238 return json(obj()) |
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239 else: |
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240 raise TypeError('cannot encode type %s' % obj.__class__.__name__) |
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241 |
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242 @templatefilter('lower') |
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243 def lower(text): |
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244 """Any text. Converts the text to lowercase.""" |
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245 return encoding.lower(text) |
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246 |
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247 @templatefilter('nonempty') |
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248 def nonempty(str): |
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249 """Any text. Returns '(none)' if the string is empty.""" |
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250 return str or "(none)" |
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251 |
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252 @templatefilter('obfuscate') |
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253 def obfuscate(text): |
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254 """Any text. Returns the input text rendered as a sequence of |
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255 XML entities. |
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256 """ |
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257 text = unicode(text, encoding.encoding, 'replace') |
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258 return ''.join(['&#%d;' % ord(c) for c in text]) |
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259 |
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260 @templatefilter('permissions') |
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261 def permissions(flags): |
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262 if "l" in flags: |
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263 return "lrwxrwxrwx" |
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264 if "x" in flags: |
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265 return "-rwxr-xr-x" |
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266 return "-rw-r--r--" |
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267 |
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268 @templatefilter('person') |
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269 def person(author): |
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270 """Any text. Returns the name before an email address, |
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271 interpreting it as per RFC 5322. |
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272 |
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273 >>> person('foo@bar') |
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274 'foo' |
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275 >>> person('Foo Bar <foo@bar>') |
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276 'Foo Bar' |
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277 >>> person('"Foo Bar" <foo@bar>') |
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278 'Foo Bar' |
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279 >>> person('"Foo \"buz\" Bar" <foo@bar>') |
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280 'Foo "buz" Bar' |
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281 >>> # The following are invalid, but do exist in real-life |
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282 ... |
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283 >>> person('Foo "buz" Bar <foo@bar>') |
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284 'Foo "buz" Bar' |
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285 >>> person('"Foo Bar <foo@bar>') |
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286 'Foo Bar' |
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287 """ |
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288 if '@' not in author: |
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289 return author |
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290 f = author.find('<') |
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291 if f != -1: |
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292 return author[:f].strip(' "').replace('\\"', '"') |
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293 f = author.find('@') |
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294 return author[:f].replace('.', ' ') |
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295 |
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296 @templatefilter('revescape') |
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297 def revescape(text): |
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298 """Any text. Escapes all "special" characters, except @. |
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299 Forward slashes are escaped twice to prevent web servers from prematurely |
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300 unescaping them. For example, "@foo bar/baz" becomes "@foo%20bar%252Fbaz". |
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301 """ |
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302 return urllib.quote(text, safe='/@').replace('/', '%252F') |
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303 |
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304 @templatefilter('rfc3339date') |
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305 def rfc3339date(text): |
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306 """Date. Returns a date using the Internet date format |
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307 specified in RFC 3339: "2009-08-18T13:00:13+02:00". |
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308 """ |
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309 return util.datestr(text, "%Y-%m-%dT%H:%M:%S%1:%2") |
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310 |
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311 @templatefilter('rfc822date') |
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312 def rfc822date(text): |
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313 """Date. Returns a date using the same format used in email |
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314 headers: "Tue, 18 Aug 2009 13:00:13 +0200". |
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315 """ |
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316 return util.datestr(text, "%a, %d %b %Y %H:%M:%S %1%2") |
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317 |
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318 @templatefilter('short') |
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319 def short(text): |
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320 """Changeset hash. Returns the short form of a changeset hash, |
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321 i.e. a 12 hexadecimal digit string. |
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322 """ |
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323 return text[:12] |
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324 |
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325 @templatefilter('shortbisect') |
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326 def shortbisect(text): |
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327 """Any text. Treats `text` as a bisection status, and |
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328 returns a single-character representing the status (G: good, B: bad, |
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329 S: skipped, U: untested, I: ignored). Returns single space if `text` |
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330 is not a valid bisection status. |
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331 """ |
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332 return hbisect.shortlabel(text) or ' ' |
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333 |
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334 @templatefilter('shortdate') |
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335 def shortdate(text): |
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336 """Date. Returns a date like "2006-09-18".""" |
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337 return util.shortdate(text) |
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338 |
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339 @templatefilter('splitlines') |
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340 def splitlines(text): |
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341 """Any text. Split text into a list of lines.""" |
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342 return templatekw.showlist('line', text.splitlines(), 'lines') |
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343 |
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344 @templatefilter('stringescape') |
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345 def stringescape(text): |
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346 return text.encode('string_escape') |
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347 |
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348 @templatefilter('stringify') |
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349 def stringify(thing): |
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350 """Any type. Turns the value into text by converting values into |
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351 text and concatenating them. |
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352 """ |
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353 if util.safehasattr(thing, '__iter__') and not isinstance(thing, str): |
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354 return "".join([stringify(t) for t in thing if t is not None]) |
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355 if thing is None: |
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356 return "" |
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357 return str(thing) |
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358 |
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359 @templatefilter('stripdir') |
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360 def stripdir(text): |
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361 """Treat the text as path and strip a directory level, if |
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362 possible. For example, "foo" and "foo/bar" becomes "foo". |
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363 """ |
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364 dir = os.path.dirname(text) |
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365 if dir == "": |
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366 return os.path.basename(text) |
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367 else: |
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368 return dir |
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369 |
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370 @templatefilter('tabindent') |
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371 def tabindent(text): |
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372 """Any text. Returns the text, with every non-empty line |
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373 except the first starting with a tab character. |
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374 """ |
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375 return indent(text, '\t') |
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376 |
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377 @templatefilter('upper') |
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378 def upper(text): |
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379 """Any text. Converts the text to uppercase.""" |
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380 return encoding.upper(text) |
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381 |
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382 @templatefilter('urlescape') |
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383 def urlescape(text): |
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384 """Any text. Escapes all "special" characters. For example, |
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385 "foo bar" becomes "foo%20bar". |
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386 """ |
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387 return urllib.quote(text) |
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388 |
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389 @templatefilter('user') |
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390 def userfilter(text): |
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391 """Any text. Returns a short representation of a user name or email |
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392 address.""" |
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393 return util.shortuser(text) |
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394 |
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395 @templatefilter('emailuser') |
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396 def emailuser(text): |
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397 """Any text. Returns the user portion of an email address.""" |
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398 return util.emailuser(text) |
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399 |
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400 @templatefilter('utf8') |
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401 def utf8(text): |
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402 """Any text. Converts from the local character encoding to UTF-8.""" |
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403 return encoding.fromlocal(text) |
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404 |
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405 @templatefilter('xmlescape') |
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406 def xmlescape(text): |
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407 text = (text |
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408 .replace('&', '&') |
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409 .replace('<', '<') |
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410 .replace('>', '>') |
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411 .replace('"', '"') |
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412 .replace("'", ''')) # ' invalid in HTML |
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413 return re.sub('[\x00-\x08\x0B\x0C\x0E-\x1F]', ' ', text) |
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414 |
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415 def websub(text, websubtable): |
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416 """:websub: Any text. Only applies to hgweb. Applies the regular |
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417 expression replacements defined in the websub section. |
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418 """ |
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419 if websubtable: |
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420 for regexp, format in websubtable: |
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421 text = regexp.sub(format, text) |
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422 return text |
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423 |
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424 def loadfilter(ui, extname, registrarobj): |
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425 """Load template filter from specified registrarobj |
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426 """ |
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427 for name, func in registrarobj._table.iteritems(): |
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428 filters[name] = func |
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429 |
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430 # tell hggettext to extract docstrings from these functions: |
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431 i18nfunctions = filters.values() |