Mercurial > hg
annotate mercurial/templatefilters.py @ 36309:94a1ff16f362
debuginstall: do not parse editor command in posix way on Windows
An editor command is executed by a system shell, which is cmd.exe on Windows.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sat, 17 Feb 2018 13:13:04 +0900 |
parents | 9ee10b3284da |
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1 # templatefilters.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 os |
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11 import re |
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12 import time |
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13 |
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14 from . import ( |
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15 encoding, |
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16 error, |
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17 hbisect, |
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18 node, |
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19 pycompat, |
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20 registrar, |
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21 templatekw, |
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22 url, |
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23 util, |
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24 ) |
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25 |
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26 urlerr = util.urlerr |
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27 urlreq = util.urlreq |
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28 |
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29 if pycompat.ispy3: |
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30 long = int |
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31 |
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32 # filters are callables like: |
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33 # fn(obj) |
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34 # with: |
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35 # obj - object to be filtered (text, date, list and so on) |
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36 filters = {} |
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37 |
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38 templatefilter = registrar.templatefilter(filters) |
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39 |
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40 @templatefilter('addbreaks') |
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41 def addbreaks(text): |
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42 """Any text. Add an XHTML "<br />" tag before the end of |
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43 every line except the last. |
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44 """ |
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45 return text.replace('\n', '<br/>\n') |
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46 |
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47 agescales = [("year", 3600 * 24 * 365, 'Y'), |
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48 ("month", 3600 * 24 * 30, 'M'), |
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49 ("week", 3600 * 24 * 7, 'W'), |
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50 ("day", 3600 * 24, 'd'), |
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51 ("hour", 3600, 'h'), |
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52 ("minute", 60, 'm'), |
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53 ("second", 1, 's')] |
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54 |
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55 @templatefilter('age') |
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56 def age(date, abbrev=False): |
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57 """Date. Returns a human-readable date/time difference between the |
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58 given date/time and the current date/time. |
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59 """ |
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60 |
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61 def plural(t, c): |
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62 if c == 1: |
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63 return t |
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64 return t + "s" |
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65 def fmt(t, c, a): |
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66 if abbrev: |
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67 return "%d%s" % (c, a) |
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68 return "%d %s" % (c, plural(t, c)) |
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69 |
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70 now = time.time() |
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71 then = date[0] |
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72 future = False |
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73 if then > now: |
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74 future = True |
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75 delta = max(1, int(then - now)) |
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76 if delta > agescales[0][1] * 30: |
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77 return 'in the distant future' |
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78 else: |
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79 delta = max(1, int(now - then)) |
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80 if delta > agescales[0][1] * 2: |
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81 return util.shortdate(date) |
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82 |
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83 for t, s, a in agescales: |
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84 n = delta // s |
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85 if n >= 2 or s == 1: |
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86 if future: |
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87 return '%s from now' % fmt(t, n, a) |
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88 return '%s ago' % fmt(t, n, a) |
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89 |
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90 @templatefilter('basename') |
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91 def basename(path): |
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92 """Any text. Treats the text as a path, and returns the last |
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93 component of the path after splitting by the path separator. |
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94 For example, "foo/bar/baz" becomes "baz" and "foo/bar//" becomes "". |
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95 """ |
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96 return os.path.basename(path) |
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97 |
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98 @templatefilter('count') |
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99 def count(i): |
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100 """List or text. Returns the length as an integer.""" |
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101 return len(i) |
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102 |
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103 @templatefilter('dirname') |
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104 def dirname(path): |
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105 """Any text. Treats the text as a path, and strips the last |
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106 component of the path after splitting by the path separator. |
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107 """ |
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108 return os.path.dirname(path) |
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109 |
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110 @templatefilter('domain') |
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111 def domain(author): |
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112 """Any text. Finds the first string that looks like an email |
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113 address, and extracts just the domain component. Example: ``User |
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114 <user@example.com>`` becomes ``example.com``. |
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115 """ |
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116 f = author.find('@') |
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117 if f == -1: |
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118 return '' |
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119 author = author[f + 1:] |
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120 f = author.find('>') |
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121 if f >= 0: |
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122 author = author[:f] |
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123 return author |
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124 |
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125 @templatefilter('email') |
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126 def email(text): |
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127 """Any text. Extracts the first string that looks like an email |
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128 address. Example: ``User <user@example.com>`` becomes |
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129 ``user@example.com``. |
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130 """ |
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131 return util.email(text) |
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132 |
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133 @templatefilter('escape') |
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134 def escape(text): |
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135 """Any text. Replaces the special XML/XHTML characters "&", "<" |
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136 and ">" with XML entities, and filters out NUL characters. |
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137 """ |
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138 return url.escape(text.replace('\0', ''), True) |
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139 |
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140 para_re = None |
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141 space_re = None |
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142 |
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143 def fill(text, width, initindent='', hangindent=''): |
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144 '''fill many paragraphs with optional indentation.''' |
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145 global para_re, space_re |
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146 if para_re is None: |
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147 para_re = re.compile('(\n\n|\n\\s*[-*]\\s*)', re.M) |
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148 space_re = re.compile(r' +') |
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149 |
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150 def findparas(): |
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151 start = 0 |
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152 while True: |
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153 m = para_re.search(text, start) |
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154 if not m: |
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155 uctext = unicode(text[start:], encoding.encoding) |
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156 w = len(uctext) |
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157 while 0 < w and uctext[w - 1].isspace(): |
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158 w -= 1 |
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159 yield (uctext[:w].encode(encoding.encoding), |
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160 uctext[w:].encode(encoding.encoding)) |
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161 break |
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162 yield text[start:m.start(0)], m.group(1) |
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163 start = m.end(1) |
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164 |
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165 return "".join([util.wrap(space_re.sub(' ', util.wrap(para, width)), |
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166 width, initindent, hangindent) + rest |
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167 for para, rest in findparas()]) |
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168 |
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169 @templatefilter('fill68') |
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170 def fill68(text): |
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171 """Any text. Wraps the text to fit in 68 columns.""" |
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172 return fill(text, 68) |
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173 |
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174 @templatefilter('fill76') |
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175 def fill76(text): |
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176 """Any text. Wraps the text to fit in 76 columns.""" |
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177 return fill(text, 76) |
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178 |
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179 @templatefilter('firstline') |
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180 def firstline(text): |
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181 """Any text. Returns the first line of text.""" |
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182 try: |
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183 return text.splitlines(True)[0].rstrip('\r\n') |
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184 except IndexError: |
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185 return '' |
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186 |
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187 @templatefilter('hex') |
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188 def hexfilter(text): |
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189 """Any text. Convert a binary Mercurial node identifier into |
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190 its long hexadecimal representation. |
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191 """ |
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192 return node.hex(text) |
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193 |
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194 @templatefilter('hgdate') |
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195 def hgdate(text): |
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196 """Date. Returns the date as a pair of numbers: "1157407993 |
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197 25200" (Unix timestamp, timezone offset). |
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198 """ |
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199 return "%d %d" % text |
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200 |
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201 @templatefilter('isodate') |
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202 def isodate(text): |
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203 """Date. Returns the date in ISO 8601 format: "2009-08-18 13:00 |
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204 +0200". |
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205 """ |
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206 return util.datestr(text, '%Y-%m-%d %H:%M %1%2') |
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207 |
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208 @templatefilter('isodatesec') |
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209 def isodatesec(text): |
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210 """Date. Returns the date in ISO 8601 format, including |
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211 seconds: "2009-08-18 13:00:13 +0200". See also the rfc3339date |
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212 filter. |
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213 """ |
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214 return util.datestr(text, '%Y-%m-%d %H:%M:%S %1%2') |
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215 |
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216 def indent(text, prefix): |
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217 '''indent each non-empty line of text after first with prefix.''' |
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218 lines = text.splitlines() |
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219 num_lines = len(lines) |
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220 endswithnewline = text[-1:] == '\n' |
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221 def indenter(): |
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222 for i in xrange(num_lines): |
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223 l = lines[i] |
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224 if i and l.strip(): |
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225 yield prefix |
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226 yield l |
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227 if i < num_lines - 1 or endswithnewline: |
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228 yield '\n' |
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229 return "".join(indenter()) |
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230 |
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231 @templatefilter('json') |
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232 def json(obj, paranoid=True): |
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233 if obj is None: |
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234 return 'null' |
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235 elif obj is False: |
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236 return 'false' |
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237 elif obj is True: |
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238 return 'true' |
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239 elif isinstance(obj, (int, long, float)): |
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240 return pycompat.bytestr(obj) |
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241 elif isinstance(obj, bytes): |
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242 return '"%s"' % encoding.jsonescape(obj, paranoid=paranoid) |
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243 elif isinstance(obj, str): |
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244 # This branch is unreachable on Python 2, because bytes == str |
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245 # and we'll return in the next-earlier block in the elif |
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246 # ladder. On Python 3, this helps us catch bugs before they |
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247 # hurt someone. |
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248 raise error.ProgrammingError( |
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249 'Mercurial only does output with bytes on Python 3: %r' % obj) |
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250 elif util.safehasattr(obj, 'keys'): |
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251 out = ['"%s": %s' % (encoding.jsonescape(k, paranoid=paranoid), |
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252 json(v, paranoid)) |
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253 for k, v in sorted(obj.iteritems())] |
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254 return '{' + ', '.join(out) + '}' |
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255 elif util.safehasattr(obj, '__iter__'): |
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256 out = [json(i, paranoid) for i in obj] |
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257 return '[' + ', '.join(out) + ']' |
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258 else: |
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259 raise TypeError('cannot encode type %s' % obj.__class__.__name__) |
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260 |
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261 @templatefilter('lower') |
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262 def lower(text): |
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263 """Any text. Converts the text to lowercase.""" |
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264 return encoding.lower(text) |
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265 |
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266 @templatefilter('nonempty') |
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267 def nonempty(str): |
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268 """Any text. Returns '(none)' if the string is empty.""" |
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269 return str or "(none)" |
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270 |
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271 @templatefilter('obfuscate') |
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272 def obfuscate(text): |
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273 """Any text. Returns the input text rendered as a sequence of |
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274 XML entities. |
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275 """ |
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276 text = unicode(text, encoding.encoding, 'replace') |
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277 return ''.join(['&#%d;' % ord(c) for c in text]) |
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278 |
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279 @templatefilter('permissions') |
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280 def permissions(flags): |
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281 if "l" in flags: |
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282 return "lrwxrwxrwx" |
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283 if "x" in flags: |
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284 return "-rwxr-xr-x" |
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285 return "-rw-r--r--" |
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286 |
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287 @templatefilter('person') |
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288 def person(author): |
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289 """Any text. Returns the name before an email address, |
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290 interpreting it as per RFC 5322. |
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291 |
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292 >>> person(b'foo@bar') |
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293 'foo' |
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294 >>> person(b'Foo Bar <foo@bar>') |
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295 'Foo Bar' |
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296 >>> person(b'"Foo Bar" <foo@bar>') |
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297 'Foo Bar' |
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298 >>> person(b'"Foo \"buz\" Bar" <foo@bar>') |
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299 'Foo "buz" Bar' |
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300 >>> # The following are invalid, but do exist in real-life |
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301 ... |
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302 >>> person(b'Foo "buz" Bar <foo@bar>') |
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303 'Foo "buz" Bar' |
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304 >>> person(b'"Foo Bar <foo@bar>') |
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305 'Foo Bar' |
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306 """ |
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307 if '@' not in author: |
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308 return author |
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309 f = author.find('<') |
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310 if f != -1: |
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311 return author[:f].strip(' "').replace('\\"', '"') |
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312 f = author.find('@') |
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313 return author[:f].replace('.', ' ') |
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314 |
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315 @templatefilter('revescape') |
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316 def revescape(text): |
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317 """Any text. Escapes all "special" characters, except @. |
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318 Forward slashes are escaped twice to prevent web servers from prematurely |
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319 unescaping them. For example, "@foo bar/baz" becomes "@foo%20bar%252Fbaz". |
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320 """ |
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321 return urlreq.quote(text, safe='/@').replace('/', '%252F') |
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322 |
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323 @templatefilter('rfc3339date') |
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324 def rfc3339date(text): |
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325 """Date. Returns a date using the Internet date format |
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326 specified in RFC 3339: "2009-08-18T13:00:13+02:00". |
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327 """ |
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328 return util.datestr(text, "%Y-%m-%dT%H:%M:%S%1:%2") |
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329 |
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330 @templatefilter('rfc822date') |
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331 def rfc822date(text): |
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332 """Date. Returns a date using the same format used in email |
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333 headers: "Tue, 18 Aug 2009 13:00:13 +0200". |
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334 """ |
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335 return util.datestr(text, "%a, %d %b %Y %H:%M:%S %1%2") |
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336 |
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337 @templatefilter('short') |
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338 def short(text): |
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339 """Changeset hash. Returns the short form of a changeset hash, |
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340 i.e. a 12 hexadecimal digit string. |
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341 """ |
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342 return text[:12] |
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343 |
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344 @templatefilter('shortbisect') |
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345 def shortbisect(text): |
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346 """Any text. Treats `text` as a bisection status, and |
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347 returns a single-character representing the status (G: good, B: bad, |
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348 S: skipped, U: untested, I: ignored). Returns single space if `text` |
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349 is not a valid bisection status. |
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350 """ |
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351 return hbisect.shortlabel(text) or ' ' |
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352 |
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353 @templatefilter('shortdate') |
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354 def shortdate(text): |
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355 """Date. Returns a date like "2006-09-18".""" |
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356 return util.shortdate(text) |
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357 |
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358 @templatefilter('slashpath') |
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359 def slashpath(path): |
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360 """Any text. Replaces the native path separator with slash.""" |
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361 return util.pconvert(path) |
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362 |
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363 @templatefilter('splitlines') |
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364 def splitlines(text): |
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365 """Any text. Split text into a list of lines.""" |
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366 return templatekw.hybridlist(text.splitlines(), name='line') |
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367 |
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368 @templatefilter('stringescape') |
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369 def stringescape(text): |
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370 return util.escapestr(text) |
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371 |
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372 @templatefilter('stringify') |
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373 def stringify(thing): |
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374 """Any type. Turns the value into text by converting values into |
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375 text and concatenating them. |
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376 """ |
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377 thing = templatekw.unwraphybrid(thing) |
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378 if util.safehasattr(thing, '__iter__') and not isinstance(thing, bytes): |
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379 return "".join([stringify(t) for t in thing if t is not None]) |
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380 if thing is None: |
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381 return "" |
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382 return pycompat.bytestr(thing) |
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383 |
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384 @templatefilter('stripdir') |
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385 def stripdir(text): |
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386 """Treat the text as path and strip a directory level, if |
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387 possible. For example, "foo" and "foo/bar" becomes "foo". |
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388 """ |
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389 dir = os.path.dirname(text) |
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390 if dir == "": |
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391 return os.path.basename(text) |
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392 else: |
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393 return dir |
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394 |
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395 @templatefilter('tabindent') |
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396 def tabindent(text): |
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397 """Any text. Returns the text, with every non-empty line |
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398 except the first starting with a tab character. |
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399 """ |
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400 return indent(text, '\t') |
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401 |
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402 @templatefilter('upper') |
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403 def upper(text): |
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404 """Any text. Converts the text to uppercase.""" |
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405 return encoding.upper(text) |
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406 |
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407 @templatefilter('urlescape') |
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408 def urlescape(text): |
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409 """Any text. Escapes all "special" characters. For example, |
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410 "foo bar" becomes "foo%20bar". |
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411 """ |
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412 return urlreq.quote(text) |
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413 |
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414 @templatefilter('user') |
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415 def userfilter(text): |
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416 """Any text. Returns a short representation of a user name or email |
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417 address.""" |
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418 return util.shortuser(text) |
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419 |
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420 @templatefilter('emailuser') |
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421 def emailuser(text): |
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422 """Any text. Returns the user portion of an email address.""" |
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423 return util.emailuser(text) |
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424 |
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425 @templatefilter('utf8') |
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426 def utf8(text): |
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427 """Any text. Converts from the local character encoding to UTF-8.""" |
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428 return encoding.fromlocal(text) |
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429 |
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430 @templatefilter('xmlescape') |
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431 def xmlescape(text): |
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432 text = (text |
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433 .replace('&', '&') |
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434 .replace('<', '<') |
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435 .replace('>', '>') |
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436 .replace('"', '"') |
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437 .replace("'", ''')) # ' invalid in HTML |
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438 return re.sub('[\x00-\x08\x0B\x0C\x0E-\x1F]', ' ', text) |
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439 |
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440 def websub(text, websubtable): |
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441 """:websub: Any text. Only applies to hgweb. Applies the regular |
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442 expression replacements defined in the websub section. |
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443 """ |
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444 if websubtable: |
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445 for regexp, format in websubtable: |
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446 text = regexp.sub(format, text) |
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447 return text |
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448 |
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449 def loadfilter(ui, extname, registrarobj): |
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450 """Load template filter from specified registrarobj |
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451 """ |
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452 for name, func in registrarobj._table.iteritems(): |
6b3b958daf03
registrar: add templatefilter to mark a function as template filter (API)
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
28213
diff
changeset
|
453 filters[name] = func |
6b3b958daf03
registrar: add templatefilter to mark a function as template filter (API)
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
28213
diff
changeset
|
454 |
13591
264f292a0c6f
templatefilters: move doc from templates.txt to docstrings
Patrick Mezard <pmezard@gmail.com>
parents:
13590
diff
changeset
|
455 # tell hggettext to extract docstrings from these functions: |
264f292a0c6f
templatefilters: move doc from templates.txt to docstrings
Patrick Mezard <pmezard@gmail.com>
parents:
13590
diff
changeset
|
456 i18nfunctions = filters.values() |