Mercurial > hg
annotate mercurial/templatefilters.py @ 29268:f200b58497f1
sslutil: reference appropriate config section in messaging
Error messages reference the config section defining the host
fingerprint. Now that we have multiple sections where this config
setting could live, we need to point the user at the appropriate
one.
We default to the new "hostsecurity" section. But we will still
refer them to the "hostfingerprint" section if a value is defined
there.
There are some corner cases where the messaging might be off. e.g.
they could define a SHA-1 fingerprint in both sections. IMO the
messaging needs a massive overhaul. I plan to do this as part
of future refactoring to security settings.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sat, 28 May 2016 12:58:46 -0700 |
parents | 032c4c2f802a |
children | 53865692a354 |
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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 |
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15 from . import ( |
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16 encoding, |
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17 hbisect, |
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18 node, |
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19 registrar, |
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20 templatekw, |
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21 util, |
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22 ) |
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23 |
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24 urlerr = util.urlerr |
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25 urlreq = util.urlreq |
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26 |
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27 # filters are callables like: |
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28 # fn(obj) |
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29 # with: |
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30 # obj - object to be filtered (text, date, list and so on) |
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31 filters = {} |
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32 |
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33 templatefilter = registrar.templatefilter(filters) |
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34 |
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35 @templatefilter('addbreaks') |
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36 def addbreaks(text): |
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37 """Any text. Add an XHTML "<br />" tag before the end of |
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38 every line except the last. |
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39 """ |
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40 return text.replace('\n', '<br/>\n') |
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41 |
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42 agescales = [("year", 3600 * 24 * 365, 'Y'), |
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43 ("month", 3600 * 24 * 30, 'M'), |
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44 ("week", 3600 * 24 * 7, 'W'), |
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45 ("day", 3600 * 24, 'd'), |
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46 ("hour", 3600, 'h'), |
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47 ("minute", 60, 'm'), |
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48 ("second", 1, 's')] |
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49 |
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50 @templatefilter('age') |
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51 def age(date, abbrev=False): |
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52 """Date. Returns a human-readable date/time difference between the |
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53 given date/time and the current date/time. |
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54 """ |
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55 |
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56 def plural(t, c): |
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57 if c == 1: |
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58 return t |
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59 return t + "s" |
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60 def fmt(t, c, a): |
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61 if abbrev: |
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62 return "%d%s" % (c, a) |
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63 return "%d %s" % (c, plural(t, c)) |
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64 |
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65 now = time.time() |
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66 then = date[0] |
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67 future = False |
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68 if then > now: |
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69 future = True |
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70 delta = max(1, int(then - now)) |
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71 if delta > agescales[0][1] * 30: |
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72 return 'in the distant future' |
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73 else: |
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74 delta = max(1, int(now - then)) |
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75 if delta > agescales[0][1] * 2: |
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76 return util.shortdate(date) |
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77 |
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78 for t, s, a in agescales: |
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79 n = delta // s |
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80 if n >= 2 or s == 1: |
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81 if future: |
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82 return '%s from now' % fmt(t, n, a) |
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83 return '%s ago' % fmt(t, n, a) |
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84 |
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85 @templatefilter('basename') |
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86 def basename(path): |
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87 """Any text. Treats the text as a path, and returns the last |
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88 component of the path after splitting by the path separator |
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89 (ignoring trailing separators). For example, "foo/bar/baz" becomes |
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90 "baz" and "foo/bar//" becomes "bar". |
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91 """ |
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92 return os.path.basename(path) |
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93 |
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94 @templatefilter('count') |
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95 def count(i): |
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96 """List or text. Returns the length as an integer.""" |
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97 return len(i) |
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98 |
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99 @templatefilter('domain') |
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100 def domain(author): |
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101 """Any text. Finds the first string that looks like an email |
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102 address, and extracts just the domain component. Example: ``User |
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103 <user@example.com>`` becomes ``example.com``. |
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104 """ |
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105 f = author.find('@') |
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106 if f == -1: |
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107 return '' |
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108 author = author[f + 1:] |
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109 f = author.find('>') |
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110 if f >= 0: |
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111 author = author[:f] |
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112 return author |
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113 |
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114 @templatefilter('email') |
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115 def email(text): |
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116 """Any text. Extracts the first string that looks like an email |
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117 address. Example: ``User <user@example.com>`` becomes |
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118 ``user@example.com``. |
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119 """ |
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120 return util.email(text) |
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121 |
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122 @templatefilter('escape') |
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123 def escape(text): |
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124 """Any text. Replaces the special XML/XHTML characters "&", "<" |
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125 and ">" with XML entities, and filters out NUL characters. |
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126 """ |
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127 return cgi.escape(text.replace('\0', ''), True) |
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128 |
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129 para_re = None |
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130 space_re = None |
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131 |
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132 def fill(text, width, initindent='', hangindent=''): |
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133 '''fill many paragraphs with optional indentation.''' |
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134 global para_re, space_re |
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135 if para_re is None: |
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136 para_re = re.compile('(\n\n|\n\\s*[-*]\\s*)', re.M) |
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137 space_re = re.compile(r' +') |
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138 |
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139 def findparas(): |
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140 start = 0 |
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141 while True: |
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142 m = para_re.search(text, start) |
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143 if not m: |
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144 uctext = unicode(text[start:], encoding.encoding) |
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145 w = len(uctext) |
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146 while 0 < w and uctext[w - 1].isspace(): |
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147 w -= 1 |
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148 yield (uctext[:w].encode(encoding.encoding), |
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149 uctext[w:].encode(encoding.encoding)) |
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150 break |
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151 yield text[start:m.start(0)], m.group(1) |
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152 start = m.end(1) |
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153 |
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154 return "".join([util.wrap(space_re.sub(' ', util.wrap(para, width)), |
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155 width, initindent, hangindent) + rest |
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156 for para, rest in findparas()]) |
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157 |
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158 @templatefilter('fill68') |
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159 def fill68(text): |
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160 """Any text. Wraps the text to fit in 68 columns.""" |
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161 return fill(text, 68) |
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162 |
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163 @templatefilter('fill76') |
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164 def fill76(text): |
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165 """Any text. Wraps the text to fit in 76 columns.""" |
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166 return fill(text, 76) |
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167 |
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168 @templatefilter('firstline') |
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169 def firstline(text): |
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170 """Any text. Returns the first line of text.""" |
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171 try: |
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172 return text.splitlines(True)[0].rstrip('\r\n') |
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173 except IndexError: |
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174 return '' |
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175 |
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176 @templatefilter('hex') |
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177 def hexfilter(text): |
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178 """Any text. Convert a binary Mercurial node identifier into |
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179 its long hexadecimal representation. |
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180 """ |
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181 return node.hex(text) |
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182 |
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183 @templatefilter('hgdate') |
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184 def hgdate(text): |
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185 """Date. Returns the date as a pair of numbers: "1157407993 |
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186 25200" (Unix timestamp, timezone offset). |
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187 """ |
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188 return "%d %d" % text |
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189 |
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190 @templatefilter('isodate') |
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191 def isodate(text): |
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192 """Date. Returns the date in ISO 8601 format: "2009-08-18 13:00 |
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193 +0200". |
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194 """ |
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195 return util.datestr(text, '%Y-%m-%d %H:%M %1%2') |
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196 |
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197 @templatefilter('isodatesec') |
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198 def isodatesec(text): |
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199 """Date. Returns the date in ISO 8601 format, including |
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200 seconds: "2009-08-18 13:00:13 +0200". See also the rfc3339date |
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201 filter. |
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202 """ |
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203 return util.datestr(text, '%Y-%m-%d %H:%M:%S %1%2') |
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204 |
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205 def indent(text, prefix): |
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206 '''indent each non-empty line of text after first with prefix.''' |
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207 lines = text.splitlines() |
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208 num_lines = len(lines) |
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209 endswithnewline = text[-1:] == '\n' |
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210 def indenter(): |
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211 for i in xrange(num_lines): |
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212 l = lines[i] |
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213 if i and l.strip(): |
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214 yield prefix |
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215 yield l |
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216 if i < num_lines - 1 or endswithnewline: |
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217 yield '\n' |
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218 return "".join(indenter()) |
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219 |
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220 @templatefilter('json') |
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221 def json(obj): |
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222 if obj is None or obj is False or obj is True: |
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223 return {None: 'null', False: 'false', True: 'true'}[obj] |
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224 elif isinstance(obj, int) or isinstance(obj, float): |
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225 return str(obj) |
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226 elif isinstance(obj, str): |
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227 return '"%s"' % encoding.jsonescape(obj, paranoid=True) |
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228 elif util.safehasattr(obj, 'keys'): |
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229 out = [] |
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230 for k, v in sorted(obj.iteritems()): |
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231 s = '%s: %s' % (json(k), json(v)) |
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232 out.append(s) |
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233 return '{' + ', '.join(out) + '}' |
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234 elif util.safehasattr(obj, '__iter__'): |
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235 out = [] |
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236 for i in obj: |
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237 out.append(json(i)) |
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238 return '[' + ', '.join(out) + ']' |
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239 elif util.safehasattr(obj, '__call__'): |
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240 return json(obj()) |
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241 else: |
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242 raise TypeError('cannot encode type %s' % obj.__class__.__name__) |
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243 |
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244 @templatefilter('lower') |
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245 def lower(text): |
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246 """Any text. Converts the text to lowercase.""" |
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247 return encoding.lower(text) |
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248 |
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249 @templatefilter('nonempty') |
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250 def nonempty(str): |
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251 """Any text. Returns '(none)' if the string is empty.""" |
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252 return str or "(none)" |
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253 |
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254 @templatefilter('obfuscate') |
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255 def obfuscate(text): |
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256 """Any text. Returns the input text rendered as a sequence of |
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257 XML entities. |
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258 """ |
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259 text = unicode(text, encoding.encoding, 'replace') |
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260 return ''.join(['&#%d;' % ord(c) for c in text]) |
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261 |
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262 @templatefilter('permissions') |
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263 def permissions(flags): |
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264 if "l" in flags: |
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265 return "lrwxrwxrwx" |
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266 if "x" in flags: |
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267 return "-rwxr-xr-x" |
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268 return "-rw-r--r--" |
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269 |
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270 @templatefilter('person') |
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271 def person(author): |
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272 """Any text. Returns the name before an email address, |
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273 interpreting it as per RFC 5322. |
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274 |
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275 >>> person('foo@bar') |
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276 'foo' |
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277 >>> person('Foo Bar <foo@bar>') |
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278 'Foo Bar' |
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279 >>> person('"Foo Bar" <foo@bar>') |
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280 'Foo Bar' |
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281 >>> person('"Foo \"buz\" Bar" <foo@bar>') |
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282 'Foo "buz" Bar' |
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283 >>> # The following are invalid, but do exist in real-life |
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284 ... |
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285 >>> person('Foo "buz" Bar <foo@bar>') |
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286 'Foo "buz" Bar' |
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287 >>> person('"Foo Bar <foo@bar>') |
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288 'Foo Bar' |
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289 """ |
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290 if '@' not in author: |
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291 return author |
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292 f = author.find('<') |
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293 if f != -1: |
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294 return author[:f].strip(' "').replace('\\"', '"') |
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295 f = author.find('@') |
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296 return author[:f].replace('.', ' ') |
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297 |
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298 @templatefilter('revescape') |
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299 def revescape(text): |
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300 """Any text. Escapes all "special" characters, except @. |
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301 Forward slashes are escaped twice to prevent web servers from prematurely |
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302 unescaping them. For example, "@foo bar/baz" becomes "@foo%20bar%252Fbaz". |
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303 """ |
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304 return urlreq.quote(text, safe='/@').replace('/', '%252F') |
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305 |
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306 @templatefilter('rfc3339date') |
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307 def rfc3339date(text): |
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308 """Date. Returns a date using the Internet date format |
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309 specified in RFC 3339: "2009-08-18T13:00:13+02:00". |
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310 """ |
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311 return util.datestr(text, "%Y-%m-%dT%H:%M:%S%1:%2") |
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312 |
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313 @templatefilter('rfc822date') |
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314 def rfc822date(text): |
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315 """Date. Returns a date using the same format used in email |
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316 headers: "Tue, 18 Aug 2009 13:00:13 +0200". |
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317 """ |
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318 return util.datestr(text, "%a, %d %b %Y %H:%M:%S %1%2") |
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319 |
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320 @templatefilter('short') |
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321 def short(text): |
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322 """Changeset hash. Returns the short form of a changeset hash, |
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323 i.e. a 12 hexadecimal digit string. |
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324 """ |
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325 return text[:12] |
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326 |
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327 @templatefilter('shortbisect') |
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328 def shortbisect(text): |
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329 """Any text. Treats `text` as a bisection status, and |
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330 returns a single-character representing the status (G: good, B: bad, |
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331 S: skipped, U: untested, I: ignored). Returns single space if `text` |
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332 is not a valid bisection status. |
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333 """ |
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334 return hbisect.shortlabel(text) or ' ' |
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335 |
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336 @templatefilter('shortdate') |
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337 def shortdate(text): |
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338 """Date. Returns a date like "2006-09-18".""" |
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339 return util.shortdate(text) |
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340 |
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341 @templatefilter('splitlines') |
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342 def splitlines(text): |
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343 """Any text. Split text into a list of lines.""" |
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344 return templatekw.showlist('line', text.splitlines(), 'lines') |
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345 |
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346 @templatefilter('stringescape') |
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347 def stringescape(text): |
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348 return text.encode('string_escape') |
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349 |
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350 @templatefilter('stringify') |
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351 def stringify(thing): |
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352 """Any type. Turns the value into text by converting values into |
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353 text and concatenating them. |
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354 """ |
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355 if util.safehasattr(thing, '__iter__') and not isinstance(thing, str): |
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356 return "".join([stringify(t) for t in thing if t is not None]) |
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357 if thing is None: |
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358 return "" |
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359 return str(thing) |
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360 |
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361 @templatefilter('stripdir') |
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362 def stripdir(text): |
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363 """Treat the text as path and strip a directory level, if |
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364 possible. For example, "foo" and "foo/bar" becomes "foo". |
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365 """ |
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366 dir = os.path.dirname(text) |
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367 if dir == "": |
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368 return os.path.basename(text) |
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369 else: |
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370 return dir |
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371 |
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372 @templatefilter('tabindent') |
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373 def tabindent(text): |
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374 """Any text. Returns the text, with every non-empty line |
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375 except the first starting with a tab character. |
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376 """ |
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377 return indent(text, '\t') |
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378 |
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379 @templatefilter('upper') |
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380 def upper(text): |
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381 """Any text. Converts the text to uppercase.""" |
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382 return encoding.upper(text) |
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383 |
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384 @templatefilter('urlescape') |
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385 def urlescape(text): |
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386 """Any text. Escapes all "special" characters. For example, |
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387 "foo bar" becomes "foo%20bar". |
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388 """ |
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389 return urlreq.quote(text) |
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390 |
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391 @templatefilter('user') |
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392 def userfilter(text): |
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393 """Any text. Returns a short representation of a user name or email |
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394 address.""" |
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395 return util.shortuser(text) |
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396 |
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397 @templatefilter('emailuser') |
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398 def emailuser(text): |
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399 """Any text. Returns the user portion of an email address.""" |
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400 return util.emailuser(text) |
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401 |
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402 @templatefilter('utf8') |
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403 def utf8(text): |
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404 """Any text. Converts from the local character encoding to UTF-8.""" |
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405 return encoding.fromlocal(text) |
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406 |
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407 @templatefilter('xmlescape') |
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408 def xmlescape(text): |
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409 text = (text |
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410 .replace('&', '&') |
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411 .replace('<', '<') |
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412 .replace('>', '>') |
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413 .replace('"', '"') |
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414 .replace("'", ''')) # ' invalid in HTML |
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415 return re.sub('[\x00-\x08\x0B\x0C\x0E-\x1F]', ' ', text) |
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416 |
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417 def websub(text, websubtable): |
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418 """:websub: Any text. Only applies to hgweb. Applies the regular |
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419 expression replacements defined in the websub section. |
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420 """ |
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421 if websubtable: |
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422 for regexp, format in websubtable: |
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423 text = regexp.sub(format, text) |
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424 return text |
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425 |
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426 def loadfilter(ui, extname, registrarobj): |
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427 """Load template filter from specified registrarobj |
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428 """ |
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429 for name, func in registrarobj._table.iteritems(): |
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430 filters[name] = func |
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431 |
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432 # tell hggettext to extract docstrings from these functions: |
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433 i18nfunctions = filters.values() |