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@@ -1,436 +1,419 b'' | |||
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1 | 1 | # template-filters.py - common template expansion filters |
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2 | 2 | # |
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3 | 3 | # Copyright 2005-2008 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms of the |
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6 | 6 | # GNU General Public License version 2 or any later version. |
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7 | 7 | |
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8 | 8 | from __future__ import absolute_import |
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9 | 9 | |
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10 | 10 | import cgi |
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11 | 11 | import os |
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12 | 12 | import re |
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13 | 13 | import time |
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14 | 14 | import urllib |
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15 | 15 | |
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16 | 16 | from . import ( |
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17 | 17 | encoding, |
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18 | 18 | hbisect, |
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19 | 19 | node, |
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20 | 20 | templatekw, |
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21 | 21 | util, |
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22 | 22 | ) |
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23 | 23 | |
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24 | 24 | def addbreaks(text): |
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25 | 25 | """:addbreaks: Any text. Add an XHTML "<br />" tag before the end of |
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26 | 26 | every line except the last. |
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27 | 27 | """ |
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28 | 28 | return text.replace('\n', '<br/>\n') |
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29 | 29 | |
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30 | 30 | agescales = [("year", 3600 * 24 * 365, 'Y'), |
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31 | 31 | ("month", 3600 * 24 * 30, 'M'), |
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32 | 32 | ("week", 3600 * 24 * 7, 'W'), |
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33 | 33 | ("day", 3600 * 24, 'd'), |
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34 | 34 | ("hour", 3600, 'h'), |
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35 | 35 | ("minute", 60, 'm'), |
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36 | 36 | ("second", 1, 's')] |
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37 | 37 | |
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38 | 38 | def age(date, abbrev=False): |
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39 | 39 | """:age: Date. Returns a human-readable date/time difference between the |
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40 | 40 | given date/time and the current date/time. |
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41 | 41 | """ |
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42 | 42 | |
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43 | 43 | def plural(t, c): |
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44 | 44 | if c == 1: |
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45 | 45 | return t |
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46 | 46 | return t + "s" |
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47 | 47 | def fmt(t, c, a): |
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48 | 48 | if abbrev: |
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49 | 49 | return "%d%s" % (c, a) |
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50 | 50 | return "%d %s" % (c, plural(t, c)) |
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51 | 51 | |
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52 | 52 | now = time.time() |
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53 | 53 | then = date[0] |
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54 | 54 | future = False |
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55 | 55 | if then > now: |
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56 | 56 | future = True |
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57 | 57 | delta = max(1, int(then - now)) |
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58 | 58 | if delta > agescales[0][1] * 30: |
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59 | 59 | return 'in the distant future' |
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60 | 60 | else: |
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61 | 61 | delta = max(1, int(now - then)) |
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62 | 62 | if delta > agescales[0][1] * 2: |
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63 | 63 | return util.shortdate(date) |
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64 | 64 | |
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65 | 65 | for t, s, a in agescales: |
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66 | 66 | n = delta // s |
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67 | 67 | if n >= 2 or s == 1: |
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68 | 68 | if future: |
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69 | 69 | return '%s from now' % fmt(t, n, a) |
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70 | 70 | return '%s ago' % fmt(t, n, a) |
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71 | 71 | |
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72 | 72 | def basename(path): |
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73 | 73 | """:basename: Any text. Treats the text as a path, and returns the last |
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74 | 74 | component of the path after splitting by the path separator |
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75 | 75 | (ignoring trailing separators). For example, "foo/bar/baz" becomes |
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76 | 76 | "baz" and "foo/bar//" becomes "bar". |
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77 | 77 | """ |
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78 | 78 | return os.path.basename(path) |
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79 | 79 | |
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80 | 80 | def count(i): |
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81 | 81 | """:count: List or text. Returns the length as an integer.""" |
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82 | 82 | return len(i) |
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83 | 83 | |
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84 | 84 | def domain(author): |
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85 | 85 | """:domain: Any text. Finds the first string that looks like an email |
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86 | 86 | address, and extracts just the domain component. Example: ``User |
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87 | 87 | <user@example.com>`` becomes ``example.com``. |
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88 | 88 | """ |
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89 | 89 | f = author.find('@') |
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90 | 90 | if f == -1: |
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91 | 91 | return '' |
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92 | 92 | author = author[f + 1:] |
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93 | 93 | f = author.find('>') |
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94 | 94 | if f >= 0: |
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95 | 95 | author = author[:f] |
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96 | 96 | return author |
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97 | 97 | |
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98 | 98 | def email(text): |
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99 | 99 | """:email: Any text. Extracts the first string that looks like an email |
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100 | 100 | address. Example: ``User <user@example.com>`` becomes |
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101 | 101 | ``user@example.com``. |
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102 | 102 | """ |
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103 | 103 | return util.email(text) |
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104 | 104 | |
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105 | 105 | def escape(text): |
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106 | 106 | """:escape: Any text. Replaces the special XML/XHTML characters "&", "<" |
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107 | 107 | and ">" with XML entities, and filters out NUL characters. |
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108 | 108 | """ |
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109 | 109 | return cgi.escape(text.replace('\0', ''), True) |
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110 | 110 | |
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111 | 111 | para_re = None |
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112 | 112 | space_re = None |
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113 | 113 | |
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114 | 114 | def fill(text, width, initindent='', hangindent=''): |
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115 | 115 | '''fill many paragraphs with optional indentation.''' |
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116 | 116 | global para_re, space_re |
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117 | 117 | if para_re is None: |
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118 | 118 | para_re = re.compile('(\n\n|\n\\s*[-*]\\s*)', re.M) |
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119 | 119 | space_re = re.compile(r' +') |
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120 | 120 | |
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121 | 121 | def findparas(): |
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122 | 122 | start = 0 |
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123 | 123 | while True: |
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124 | 124 | m = para_re.search(text, start) |
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125 | 125 | if not m: |
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126 | 126 | uctext = unicode(text[start:], encoding.encoding) |
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127 | 127 | w = len(uctext) |
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128 | 128 | while 0 < w and uctext[w - 1].isspace(): |
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129 | 129 | w -= 1 |
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130 | 130 | yield (uctext[:w].encode(encoding.encoding), |
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131 | 131 | uctext[w:].encode(encoding.encoding)) |
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132 | 132 | break |
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133 | 133 | yield text[start:m.start(0)], m.group(1) |
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134 | 134 | start = m.end(1) |
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135 | 135 | |
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136 | 136 | return "".join([util.wrap(space_re.sub(' ', util.wrap(para, width)), |
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137 | 137 | width, initindent, hangindent) + rest |
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138 | 138 | for para, rest in findparas()]) |
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139 | 139 | |
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140 | 140 | def fill68(text): |
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141 | 141 | """:fill68: Any text. Wraps the text to fit in 68 columns.""" |
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142 | 142 | return fill(text, 68) |
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143 | 143 | |
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144 | 144 | def fill76(text): |
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145 | 145 | """:fill76: Any text. Wraps the text to fit in 76 columns.""" |
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146 | 146 | return fill(text, 76) |
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147 | 147 | |
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148 | 148 | def firstline(text): |
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149 | 149 | """:firstline: Any text. Returns the first line of text.""" |
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150 | 150 | try: |
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151 | 151 | return text.splitlines(True)[0].rstrip('\r\n') |
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152 | 152 | except IndexError: |
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153 | 153 | return '' |
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154 | 154 | |
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155 | 155 | def hexfilter(text): |
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156 | 156 | """:hex: Any text. Convert a binary Mercurial node identifier into |
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157 | 157 | its long hexadecimal representation. |
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158 | 158 | """ |
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159 | 159 | return node.hex(text) |
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160 | 160 | |
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161 | 161 | def hgdate(text): |
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162 | 162 | """:hgdate: Date. Returns the date as a pair of numbers: "1157407993 |
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163 | 163 | 25200" (Unix timestamp, timezone offset). |
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164 | 164 | """ |
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165 | 165 | return "%d %d" % text |
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166 | 166 | |
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167 | 167 | def isodate(text): |
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168 | 168 | """:isodate: Date. Returns the date in ISO 8601 format: "2009-08-18 13:00 |
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169 | 169 | +0200". |
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170 | 170 | """ |
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171 | 171 | return util.datestr(text, '%Y-%m-%d %H:%M %1%2') |
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172 | 172 | |
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173 | 173 | def isodatesec(text): |
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174 | 174 | """:isodatesec: Date. Returns the date in ISO 8601 format, including |
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175 | 175 | seconds: "2009-08-18 13:00:13 +0200". See also the rfc3339date |
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176 | 176 | filter. |
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177 | 177 | """ |
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178 | 178 | return util.datestr(text, '%Y-%m-%d %H:%M:%S %1%2') |
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179 | 179 | |
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180 | 180 | def indent(text, prefix): |
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181 | 181 | '''indent each non-empty line of text after first with prefix.''' |
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182 | 182 | lines = text.splitlines() |
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183 | 183 | num_lines = len(lines) |
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184 | 184 | endswithnewline = text[-1:] == '\n' |
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185 | 185 | def indenter(): |
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186 | 186 | for i in xrange(num_lines): |
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187 | 187 | l = lines[i] |
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188 | 188 | if i and l.strip(): |
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189 | 189 | yield prefix |
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190 | 190 | yield l |
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191 | 191 | if i < num_lines - 1 or endswithnewline: |
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192 | 192 | yield '\n' |
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193 | 193 | return "".join(indenter()) |
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194 | 194 | |
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195 | 195 | def json(obj): |
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196 | 196 | if obj is None or obj is False or obj is True: |
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197 | 197 | return {None: 'null', False: 'false', True: 'true'}[obj] |
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198 | 198 | elif isinstance(obj, int) or isinstance(obj, float): |
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199 | 199 | return str(obj) |
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200 | 200 | elif isinstance(obj, str): |
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201 | 201 | return '"%s"' % encoding.jsonescape(obj, paranoid=True) |
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202 | 202 | elif util.safehasattr(obj, 'keys'): |
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203 | 203 | out = [] |
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204 | 204 | for k, v in sorted(obj.iteritems()): |
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205 | 205 | s = '%s: %s' % (json(k), json(v)) |
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206 | 206 | out.append(s) |
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207 | 207 | return '{' + ', '.join(out) + '}' |
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208 | 208 | elif util.safehasattr(obj, '__iter__'): |
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209 | 209 | out = [] |
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210 | 210 | for i in obj: |
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211 | 211 | out.append(json(i)) |
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212 | 212 | return '[' + ', '.join(out) + ']' |
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213 | 213 | elif util.safehasattr(obj, '__call__'): |
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214 | 214 | return json(obj()) |
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215 | 215 | else: |
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216 | 216 | raise TypeError('cannot encode type %s' % obj.__class__.__name__) |
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217 | 217 | |
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218 | def _uescape(c): | |
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219 | if 0x20 <= ord(c) < 0x80: | |
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220 | return c | |
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221 | else: | |
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222 | return '\\u%04x' % ord(c) | |
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223 | ||
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224 | _escapes = [ | |
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225 | ('\\', '\\\\'), ('"', '\\"'), ('\t', '\\t'), ('\n', '\\n'), | |
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226 | ('\r', '\\r'), ('\f', '\\f'), ('\b', '\\b'), | |
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227 | ('<', '\\u003c'), ('>', '\\u003e'), ('\0', '\\u0000') | |
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228 | ] | |
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229 | ||
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230 | def jsonescape(s): | |
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231 | for k, v in _escapes: | |
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232 | s = s.replace(k, v) | |
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233 | return ''.join(_uescape(c) for c in s) | |
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234 | ||
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235 | 218 | def lower(text): |
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236 | 219 | """:lower: Any text. Converts the text to lowercase.""" |
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237 | 220 | return encoding.lower(text) |
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238 | 221 | |
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239 | 222 | def nonempty(str): |
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240 | 223 | """:nonempty: Any text. Returns '(none)' if the string is empty.""" |
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241 | 224 | return str or "(none)" |
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242 | 225 | |
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243 | 226 | def obfuscate(text): |
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244 | 227 | """:obfuscate: Any text. Returns the input text rendered as a sequence of |
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245 | 228 | XML entities. |
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246 | 229 | """ |
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247 | 230 | text = unicode(text, encoding.encoding, 'replace') |
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248 | 231 | return ''.join(['&#%d;' % ord(c) for c in text]) |
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249 | 232 | |
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250 | 233 | def permissions(flags): |
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251 | 234 | if "l" in flags: |
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252 | 235 | return "lrwxrwxrwx" |
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253 | 236 | if "x" in flags: |
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254 | 237 | return "-rwxr-xr-x" |
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255 | 238 | return "-rw-r--r--" |
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256 | 239 | |
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257 | 240 | def person(author): |
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258 | 241 | """:person: Any text. Returns the name before an email address, |
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259 | 242 | interpreting it as per RFC 5322. |
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260 | 243 | |
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261 | 244 | >>> person('foo@bar') |
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262 | 245 | 'foo' |
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263 | 246 | >>> person('Foo Bar <foo@bar>') |
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264 | 247 | 'Foo Bar' |
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265 | 248 | >>> person('"Foo Bar" <foo@bar>') |
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266 | 249 | 'Foo Bar' |
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267 | 250 | >>> person('"Foo \"buz\" Bar" <foo@bar>') |
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268 | 251 | 'Foo "buz" Bar' |
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269 | 252 | >>> # The following are invalid, but do exist in real-life |
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270 | 253 | ... |
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271 | 254 | >>> person('Foo "buz" Bar <foo@bar>') |
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272 | 255 | 'Foo "buz" Bar' |
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273 | 256 | >>> person('"Foo Bar <foo@bar>') |
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274 | 257 | 'Foo Bar' |
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275 | 258 | """ |
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276 | 259 | if '@' not in author: |
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277 | 260 | return author |
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278 | 261 | f = author.find('<') |
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279 | 262 | if f != -1: |
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280 | 263 | return author[:f].strip(' "').replace('\\"', '"') |
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281 | 264 | f = author.find('@') |
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282 | 265 | return author[:f].replace('.', ' ') |
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283 | 266 | |
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284 | 267 | def revescape(text): |
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285 | 268 | """:revescape: Any text. Escapes all "special" characters, except @. |
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286 | 269 | Forward slashes are escaped twice to prevent web servers from prematurely |
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287 | 270 | unescaping them. For example, "@foo bar/baz" becomes "@foo%20bar%252Fbaz". |
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288 | 271 | """ |
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289 | 272 | return urllib.quote(text, safe='/@').replace('/', '%252F') |
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290 | 273 | |
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291 | 274 | def rfc3339date(text): |
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292 | 275 | """:rfc3339date: Date. Returns a date using the Internet date format |
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293 | 276 | specified in RFC 3339: "2009-08-18T13:00:13+02:00". |
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294 | 277 | """ |
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295 | 278 | return util.datestr(text, "%Y-%m-%dT%H:%M:%S%1:%2") |
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296 | 279 | |
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297 | 280 | def rfc822date(text): |
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298 | 281 | """:rfc822date: Date. Returns a date using the same format used in email |
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299 | 282 | headers: "Tue, 18 Aug 2009 13:00:13 +0200". |
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300 | 283 | """ |
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301 | 284 | return util.datestr(text, "%a, %d %b %Y %H:%M:%S %1%2") |
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302 | 285 | |
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303 | 286 | def short(text): |
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304 | 287 | """:short: Changeset hash. Returns the short form of a changeset hash, |
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305 | 288 | i.e. a 12 hexadecimal digit string. |
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306 | 289 | """ |
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307 | 290 | return text[:12] |
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308 | 291 | |
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309 | 292 | def shortbisect(text): |
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310 | 293 | """:shortbisect: Any text. Treats `text` as a bisection status, and |
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311 | 294 | returns a single-character representing the status (G: good, B: bad, |
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312 | 295 | S: skipped, U: untested, I: ignored). Returns single space if `text` |
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313 | 296 | is not a valid bisection status. |
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314 | 297 | """ |
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315 | 298 | return hbisect.shortlabel(text) or ' ' |
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316 | 299 | |
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317 | 300 | def shortdate(text): |
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318 | 301 | """:shortdate: Date. Returns a date like "2006-09-18".""" |
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319 | 302 | return util.shortdate(text) |
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320 | 303 | |
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321 | 304 | def splitlines(text): |
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322 | 305 | """:splitlines: Any text. Split text into a list of lines.""" |
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323 | 306 | return templatekw.showlist('line', text.splitlines(), 'lines') |
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324 | 307 | |
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325 | 308 | def stringescape(text): |
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326 | 309 | return text.encode('string_escape') |
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327 | 310 | |
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328 | 311 | def stringify(thing): |
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329 | 312 | """:stringify: Any type. Turns the value into text by converting values into |
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330 | 313 | text and concatenating them. |
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331 | 314 | """ |
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332 | 315 | if util.safehasattr(thing, '__iter__') and not isinstance(thing, str): |
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333 | 316 | return "".join([stringify(t) for t in thing if t is not None]) |
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334 | 317 | if thing is None: |
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335 | 318 | return "" |
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336 | 319 | return str(thing) |
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337 | 320 | |
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338 | 321 | def stripdir(text): |
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339 | 322 | """:stripdir: Treat the text as path and strip a directory level, if |
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340 | 323 | possible. For example, "foo" and "foo/bar" becomes "foo". |
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341 | 324 | """ |
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342 | 325 | dir = os.path.dirname(text) |
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343 | 326 | if dir == "": |
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344 | 327 | return os.path.basename(text) |
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345 | 328 | else: |
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346 | 329 | return dir |
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347 | 330 | |
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348 | 331 | def tabindent(text): |
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349 | 332 | """:tabindent: Any text. Returns the text, with every non-empty line |
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350 | 333 | except the first starting with a tab character. |
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351 | 334 | """ |
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352 | 335 | return indent(text, '\t') |
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353 | 336 | |
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354 | 337 | def upper(text): |
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355 | 338 | """:upper: Any text. Converts the text to uppercase.""" |
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356 | 339 | return encoding.upper(text) |
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357 | 340 | |
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358 | 341 | def urlescape(text): |
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359 | 342 | """:urlescape: Any text. Escapes all "special" characters. For example, |
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360 | 343 | "foo bar" becomes "foo%20bar". |
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361 | 344 | """ |
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362 | 345 | return urllib.quote(text) |
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363 | 346 | |
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364 | 347 | def userfilter(text): |
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365 | 348 | """:user: Any text. Returns a short representation of a user name or email |
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366 | 349 | address.""" |
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367 | 350 | return util.shortuser(text) |
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368 | 351 | |
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369 | 352 | def emailuser(text): |
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370 | 353 | """:emailuser: Any text. Returns the user portion of an email address.""" |
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371 | 354 | return util.emailuser(text) |
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372 | 355 | |
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373 | 356 | def utf8(text): |
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374 | 357 | """:utf8: Any text. Converts from the local character encoding to UTF-8.""" |
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375 | 358 | return encoding.fromlocal(text) |
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376 | 359 | |
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377 | 360 | def xmlescape(text): |
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378 | 361 | text = (text |
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379 | 362 | .replace('&', '&') |
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380 | 363 | .replace('<', '<') |
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381 | 364 | .replace('>', '>') |
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382 | 365 | .replace('"', '"') |
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383 | 366 | .replace("'", ''')) # ' invalid in HTML |
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384 | 367 | return re.sub('[\x00-\x08\x0B\x0C\x0E-\x1F]', ' ', text) |
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385 | 368 | |
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386 | 369 | filters = { |
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387 | 370 | "addbreaks": addbreaks, |
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388 | 371 | "age": age, |
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389 | 372 | "basename": basename, |
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390 | 373 | "count": count, |
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391 | 374 | "domain": domain, |
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392 | 375 | "email": email, |
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393 | 376 | "escape": escape, |
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394 | 377 | "fill68": fill68, |
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395 | 378 | "fill76": fill76, |
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396 | 379 | "firstline": firstline, |
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397 | 380 | "hex": hexfilter, |
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398 | 381 | "hgdate": hgdate, |
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399 | 382 | "isodate": isodate, |
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400 | 383 | "isodatesec": isodatesec, |
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401 | 384 | "json": json, |
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402 | 385 | "lower": lower, |
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403 | 386 | "nonempty": nonempty, |
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404 | 387 | "obfuscate": obfuscate, |
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405 | 388 | "permissions": permissions, |
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406 | 389 | "person": person, |
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407 | 390 | "revescape": revescape, |
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408 | 391 | "rfc3339date": rfc3339date, |
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409 | 392 | "rfc822date": rfc822date, |
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410 | 393 | "short": short, |
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411 | 394 | "shortbisect": shortbisect, |
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412 | 395 | "shortdate": shortdate, |
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413 | 396 | "splitlines": splitlines, |
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414 | 397 | "stringescape": stringescape, |
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415 | 398 | "stringify": stringify, |
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416 | 399 | "stripdir": stripdir, |
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417 | 400 | "tabindent": tabindent, |
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418 | 401 | "upper": upper, |
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419 | 402 | "urlescape": urlescape, |
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420 | 403 | "user": userfilter, |
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421 | 404 | "emailuser": emailuser, |
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422 | 405 | "utf8": utf8, |
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423 | 406 | "xmlescape": xmlescape, |
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424 | 407 | } |
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425 | 408 | |
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426 | 409 | def websub(text, websubtable): |
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427 | 410 | """:websub: Any text. Only applies to hgweb. Applies the regular |
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428 | 411 | expression replacements defined in the websub section. |
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429 | 412 | """ |
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430 | 413 | if websubtable: |
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431 | 414 | for regexp, format in websubtable: |
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432 | 415 | text = regexp.sub(format, text) |
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433 | 416 | return text |
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434 | 417 | |
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435 | 418 | # tell hggettext to extract docstrings from these functions: |
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436 | 419 | i18nfunctions = filters.values() |
@@ -1,60 +1,47 b'' | |||
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1 | 1 | |
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2 | 2 | $ cat > engine.py << EOF |
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3 | 3 | > |
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4 | 4 | > from mercurial import templater |
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5 | 5 | > |
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6 | 6 | > class mytemplater(object): |
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7 | 7 | > def __init__(self, loader, filters, defaults): |
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8 | 8 | > self.loader = loader |
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9 | 9 | > |
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10 | 10 | > def process(self, t, map): |
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11 | 11 | > tmpl = self.loader(t) |
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12 | 12 | > for k, v in map.iteritems(): |
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13 | 13 | > if k in ('templ', 'ctx', 'repo', 'revcache', 'cache'): |
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14 | 14 | > continue |
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15 | 15 | > if hasattr(v, '__call__'): |
|
16 | 16 | > v = v(**map) |
|
17 | 17 | > v = templater.stringify(v) |
|
18 | 18 | > tmpl = tmpl.replace('{{%s}}' % k, v) |
|
19 | 19 | > yield tmpl |
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20 | 20 | > |
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21 | 21 | > templater.engines['my'] = mytemplater |
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22 | 22 | > EOF |
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23 | 23 | $ hg init test |
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24 | 24 | $ echo '[extensions]' > test/.hg/hgrc |
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25 | 25 | $ echo "engine = `pwd`/engine.py" >> test/.hg/hgrc |
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26 | 26 | $ cd test |
|
27 | 27 | $ cat > mymap << EOF |
|
28 | 28 | > changeset = my:changeset.txt |
|
29 | 29 | > EOF |
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30 | 30 | $ cat > changeset.txt << EOF |
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31 | 31 | > {{rev}} {{node}} {{author}} |
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32 | 32 | > EOF |
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33 | 33 | $ hg ci -Ama |
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34 | 34 | adding changeset.txt |
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35 | 35 | adding mymap |
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36 | 36 | $ hg log --style=./mymap |
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37 | 37 | 0 97e5f848f0936960273bbf75be6388cd0350a32b test |
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38 | 38 | |
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39 | 39 | $ cat > changeset.txt << EOF |
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40 | 40 | > {{p1rev}} {{p1node}} {{p2rev}} {{p2node}} |
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41 | 41 | > EOF |
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42 | 42 | $ hg ci -Ama |
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43 | 43 | $ hg log --style=./mymap |
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44 | 44 | 0 97e5f848f0936960273bbf75be6388cd0350a32b -1 0000000000000000000000000000000000000000 |
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45 | 45 | -1 0000000000000000000000000000000000000000 -1 0000000000000000000000000000000000000000 |
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46 | 46 | |
|
47 | Fuzzing the unicode escaper to ensure it produces valid data | |
|
48 | ||
|
49 | #if hypothesis | |
|
50 | ||
|
51 | >>> from hypothesishelpers import * | |
|
52 | >>> import mercurial.templatefilters as tf | |
|
53 | >>> import json | |
|
54 | >>> @check(st.text().map(lambda s: s.encode('utf-8'))) | |
|
55 | ... def testtfescapeproducesvalidjson(text): | |
|
56 | ... json.loads('"' + tf.jsonescape(text) + '"') | |
|
57 | ||
|
58 | #endif | |
|
59 | ||
|
60 | 47 | $ cd .. |
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