Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/templater.py @ 4739:1da35d1e7ef9
Added full URL to debug output if something doesn't look like an http hg repo.
This way it is easier to debug problems with failing subcommands, like
changegroupsubset due to permission problems, when generally accessing
the repository works fine.
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Fri, 29 Jun 2007 11:13:36 +0200 |
parents | 35ad84669ca5 |
children | e21a0e12ff10 |
rev | line source |
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1909
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1 # templater.py - template expansion for output |
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2 # |
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3 # Copyright 2005, 2006 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 |
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6 # of the GNU General Public License, incorporated herein by reference. |
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7 |
3893 | 8 from i18n import _ |
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9 from node import * |
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10 import cgi, re, sys, os, time, urllib, util, textwrap |
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11 |
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12 def parsestring(s, quoted=True): |
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13 '''parse a string using simple c-like syntax. |
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14 string must be in quotes if quoted is True.''' |
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15 if quoted: |
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16 if len(s) < 2 or s[0] != s[-1]: |
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17 raise SyntaxError(_('unmatched quotes')) |
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18 return s[1:-1].decode('string_escape') |
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19 |
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20 return s.decode('string_escape') |
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21 |
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22 class templater(object): |
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23 '''template expansion engine. |
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24 |
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25 template expansion works like this. a map file contains key=value |
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26 pairs. if value is quoted, it is treated as string. otherwise, it |
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27 is treated as name of template file. |
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28 |
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29 templater is asked to expand a key in map. it looks up key, and |
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30 looks for strings like this: {foo}. it expands {foo} by looking up |
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31 foo in map, and substituting it. expansion is recursive: it stops |
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32 when there is no more {foo} to replace. |
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33 |
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34 expansion also allows formatting and filtering. |
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35 |
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36 format uses key to expand each item in list. syntax is |
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37 {key%format}. |
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38 |
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39 filter uses function to transform value. syntax is |
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40 {key|filter1|filter2|...}.''' |
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41 |
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42 template_re = re.compile(r"(?:(?:#(?=[\w\|%]+#))|(?:{(?=[\w\|%]+})))" |
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43 r"(\w+)(?:(?:%(\w+))|((?:\|\w+)*))[#}]") |
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44 |
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45 def __init__(self, mapfile, filters={}, defaults={}, cache={}): |
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46 '''set up template engine. |
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47 mapfile is name of file to read map definitions from. |
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48 filters is dict of functions. each transforms a value into another. |
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49 defaults is dict of default map definitions.''' |
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50 self.mapfile = mapfile or 'template' |
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51 self.cache = cache.copy() |
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52 self.map = {} |
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53 self.base = (mapfile and os.path.dirname(mapfile)) or '' |
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54 self.filters = filters |
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55 self.defaults = defaults |
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56 |
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57 if not mapfile: |
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58 return |
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59 i = 0 |
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60 for l in file(mapfile): |
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61 l = l.strip() |
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62 i += 1 |
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63 if not l or l[0] in '#;': continue |
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64 m = re.match(r'([a-zA-Z_][a-zA-Z0-9_]*)\s*=\s*(.+)$', l) |
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65 if m: |
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66 key, val = m.groups() |
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67 if val[0] in "'\"": |
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68 try: |
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69 self.cache[key] = parsestring(val) |
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70 except SyntaxError, inst: |
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71 raise SyntaxError('%s:%s: %s' % |
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72 (mapfile, i, inst.args[0])) |
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73 else: |
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74 self.map[key] = os.path.join(self.base, val) |
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75 else: |
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76 raise SyntaxError(_("%s:%s: parse error") % (mapfile, i)) |
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77 |
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78 def __contains__(self, key): |
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79 return key in self.cache or key in self.map |
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80 |
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81 def __call__(self, t, **map): |
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82 '''perform expansion. |
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83 t is name of map element to expand. |
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84 map is added elements to use during expansion.''' |
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85 if not self.cache.has_key(t): |
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86 try: |
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87 self.cache[t] = file(self.map[t]).read() |
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88 except IOError, inst: |
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89 raise IOError(inst.args[0], _('template file %s: %s') % |
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90 (self.map[t], inst.args[1])) |
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91 tmpl = self.cache[t] |
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92 |
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93 while tmpl: |
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94 m = self.template_re.search(tmpl) |
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95 if not m: |
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96 yield tmpl |
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97 break |
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98 |
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99 start, end = m.span(0) |
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100 key, format, fl = m.groups() |
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101 |
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102 if start: |
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103 yield tmpl[:start] |
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104 tmpl = tmpl[end:] |
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105 |
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106 if key in map: |
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107 v = map[key] |
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108 else: |
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109 v = self.defaults.get(key, "") |
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110 if callable(v): |
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111 v = v(**map) |
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112 if format: |
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113 if not hasattr(v, '__iter__'): |
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114 raise SyntaxError(_("Error expanding '%s%s'") |
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115 % (key, format)) |
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116 lm = map.copy() |
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117 for i in v: |
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118 lm.update(i) |
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119 yield self(format, **lm) |
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120 else: |
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121 if fl: |
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122 for f in fl.split("|")[1:]: |
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123 v = self.filters[f](v) |
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124 yield v |
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125 |
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126 agescales = [("second", 1), |
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127 ("minute", 60), |
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128 ("hour", 3600), |
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129 ("day", 3600 * 24), |
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130 ("week", 3600 * 24 * 7), |
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131 ("month", 3600 * 24 * 30), |
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132 ("year", 3600 * 24 * 365)] |
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133 |
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134 agescales.reverse() |
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135 |
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136 def age(date): |
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137 '''turn a (timestamp, tzoff) tuple into an age string.''' |
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138 |
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139 def plural(t, c): |
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140 if c == 1: |
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141 return t |
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142 return t + "s" |
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143 def fmt(t, c): |
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144 return "%d %s" % (c, plural(t, c)) |
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145 |
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146 now = time.time() |
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147 then = date[0] |
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148 delta = max(1, int(now - then)) |
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149 |
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150 for t, s in agescales: |
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151 n = delta / s |
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152 if n >= 2 or s == 1: |
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153 return fmt(t, n) |
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154 |
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155 def stringify(thing): |
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156 '''turn nested template iterator into string.''' |
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157 if hasattr(thing, '__iter__'): |
3654 | 158 return "".join([stringify(t) for t in thing if t is not None]) |
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159 return str(thing) |
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160 |
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161 para_re = None |
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162 space_re = None |
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163 |
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164 def fill(text, width): |
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165 '''fill many paragraphs.''' |
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166 global para_re, space_re |
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167 if para_re is None: |
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168 para_re = re.compile('(\n\n|\n\\s*[-*]\\s*)', re.M) |
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169 space_re = re.compile(r' +') |
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170 |
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171 def findparas(): |
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172 start = 0 |
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173 while True: |
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174 m = para_re.search(text, start) |
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175 if not m: |
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176 w = len(text) |
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177 while w > start and text[w-1].isspace(): w -= 1 |
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178 yield text[start:w], text[w:] |
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179 break |
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180 yield text[start:m.start(0)], m.group(1) |
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181 start = m.end(1) |
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182 |
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183 return "".join([space_re.sub(' ', textwrap.fill(para, width)) + rest |
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184 for para, rest in findparas()]) |
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185 |
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186 def firstline(text): |
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187 '''return the first line of text''' |
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188 try: |
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189 return text.splitlines(1)[0].rstrip('\r\n') |
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190 except IndexError: |
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191 return '' |
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192 |
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193 def isodate(date): |
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194 '''turn a (timestamp, tzoff) tuple into an iso 8631 date and time.''' |
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195 return util.datestr(date, format='%Y-%m-%d %H:%M') |
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196 |
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197 def hgdate(date): |
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198 '''turn a (timestamp, tzoff) tuple into an hg cset timestamp.''' |
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199 return "%d %d" % date |
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200 |
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201 def nl2br(text): |
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202 '''replace raw newlines with xhtml line breaks.''' |
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203 return text.replace('\n', '<br/>\n') |
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204 |
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205 def obfuscate(text): |
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206 text = unicode(text, util._encoding, 'replace') |
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207 return ''.join(['&#%d;' % ord(c) for c in text]) |
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208 |
1904 | 209 def domain(author): |
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210 '''get domain of author, or empty string if none.''' |
1904 | 211 f = author.find('@') |
212 if f == -1: return '' | |
213 author = author[f+1:] | |
214 f = author.find('>') | |
215 if f >= 0: author = author[:f] | |
216 return author | |
217 | |
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218 def email(author): |
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219 '''get email of author.''' |
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220 r = author.find('>') |
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221 if r == -1: r = None |
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222 return author[author.find('<')+1:r] |
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223 |
1904 | 224 def person(author): |
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225 '''get name of author, or else username.''' |
1904 | 226 f = author.find('<') |
227 if f == -1: return util.shortuser(author) | |
228 return author[:f].rstrip() | |
229 | |
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230 def shortdate(date): |
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231 '''turn (timestamp, tzoff) tuple into iso 8631 date.''' |
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232 return util.datestr(date, format='%Y-%m-%d', timezone=False) |
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233 |
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234 def indent(text, prefix): |
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235 '''indent each non-empty line of text after first with prefix.''' |
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236 lines = text.splitlines() |
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237 num_lines = len(lines) |
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238 def indenter(): |
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239 for i in xrange(num_lines): |
7af1f54c044c
templater: take cStringIO out of indent
Matt Mackall <mpm@selenic.com>
parents:
3637
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240 l = lines[i] |
7af1f54c044c
templater: take cStringIO out of indent
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parents:
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241 if i and l.strip(): |
7af1f54c044c
templater: take cStringIO out of indent
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parents:
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242 yield prefix |
7af1f54c044c
templater: take cStringIO out of indent
Matt Mackall <mpm@selenic.com>
parents:
3637
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243 yield l |
7af1f54c044c
templater: take cStringIO out of indent
Matt Mackall <mpm@selenic.com>
parents:
3637
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244 if i < num_lines - 1 or text.endswith('\n'): |
7af1f54c044c
templater: take cStringIO out of indent
Matt Mackall <mpm@selenic.com>
parents:
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245 yield '\n' |
7af1f54c044c
templater: take cStringIO out of indent
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parents:
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246 return "".join(indenter()) |
1987
04c17fc39c84
add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1975
diff
changeset
|
247 |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
248 common_filters = { |
1904 | 249 "addbreaks": nl2br, |
2191
c2e43535d4d1
make templater bit more flexible and efficient for external users.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2189
diff
changeset
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250 "basename": os.path.basename, |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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251 "age": age, |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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252 "date": lambda x: util.datestr(x), |
1905
0c760737b996
improve template errors when something is wrong.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1904
diff
changeset
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253 "domain": domain, |
1987
04c17fc39c84
add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1975
diff
changeset
|
254 "email": email, |
1904 | 255 "escape": lambda x: cgi.escape(x, True), |
1987
04c17fc39c84
add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1975
diff
changeset
|
256 "fill68": lambda x: fill(x, width=68), |
04c17fc39c84
add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1975
diff
changeset
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257 "fill76": lambda x: fill(x, width=76), |
2559
bf67d0f6531c
templater.firstline should handle empty strings
Brendan Cully <brendan@kublai.com>
parents:
2539
diff
changeset
|
258 "firstline": firstline, |
1987
04c17fc39c84
add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1975
diff
changeset
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259 "tabindent": lambda x: indent(x, '\t'), |
2519
deb466fa6957
add a new template function 'hgdate'
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
2470
diff
changeset
|
260 "hgdate": hgdate, |
1906
9dec2479622d
add iso date template filter.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1905
diff
changeset
|
261 "isodate": isodate, |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
262 "obfuscate": obfuscate, |
1912
b288b4bb8448
hide some functions behind lambdas, so demandload is useful.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1909
diff
changeset
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263 "permissions": lambda x: x and "-rwxr-xr-x" or "-rw-r--r--", |
1904 | 264 "person": person, |
265 "rfc822date": lambda x: util.datestr(x, "%a, %d %b %Y %H:%M:%S"), | |
1912
b288b4bb8448
hide some functions behind lambdas, so demandload is useful.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1909
diff
changeset
|
266 "short": lambda x: x[:12], |
1987
04c17fc39c84
add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1975
diff
changeset
|
267 "shortdate": shortdate, |
04c17fc39c84
add changelog style to command line template.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1975
diff
changeset
|
268 "stringify": stringify, |
1904 | 269 "strip": lambda x: x.strip(), |
1912
b288b4bb8448
hide some functions behind lambdas, so demandload is useful.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1909
diff
changeset
|
270 "urlescape": lambda x: urllib.quote(x), |
b288b4bb8448
hide some functions behind lambdas, so demandload is useful.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1909
diff
changeset
|
271 "user": lambda x: util.shortuser(x), |
3457
fab28100ea88
Added extra changeset info to templater and map-cmdline.default.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3456
diff
changeset
|
272 "stringescape": lambda x: x.encode('string_escape'), |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
273 } |
1897
58b6784cf9f1
move hgweb.templatepath into templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1896
diff
changeset
|
274 |
1899
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
275 def templatepath(name=None): |
1909
37b9f80a5fbb
add doc comments to template code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1906
diff
changeset
|
276 '''return location of template file or directory (if no name). |
37b9f80a5fbb
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1906
diff
changeset
|
277 returns None if not found.''' |
2189
e3eba577a0ae
move changeset_templater into templater module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2001
diff
changeset
|
278 |
2001
a439b7b51530
Windows py2exe version didn't handle names given to templatepath() correctly
Lee Cantey <lcantey@gmail.com>
parents:
1987
diff
changeset
|
279 # executable version (py2exe) doesn't support __file__ |
a439b7b51530
Windows py2exe version didn't handle names given to templatepath() correctly
Lee Cantey <lcantey@gmail.com>
parents:
1987
diff
changeset
|
280 if hasattr(sys, 'frozen'): |
a439b7b51530
Windows py2exe version didn't handle names given to templatepath() correctly
Lee Cantey <lcantey@gmail.com>
parents:
1987
diff
changeset
|
281 module = sys.executable |
a439b7b51530
Windows py2exe version didn't handle names given to templatepath() correctly
Lee Cantey <lcantey@gmail.com>
parents:
1987
diff
changeset
|
282 else: |
a439b7b51530
Windows py2exe version didn't handle names given to templatepath() correctly
Lee Cantey <lcantey@gmail.com>
parents:
1987
diff
changeset
|
283 module = __file__ |
1899
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
284 for f in 'templates', '../templates': |
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
285 fl = f.split('/') |
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
286 if name: fl.append(name) |
2001
a439b7b51530
Windows py2exe version didn't handle names given to templatepath() correctly
Lee Cantey <lcantey@gmail.com>
parents:
1987
diff
changeset
|
287 p = os.path.join(os.path.dirname(module), *fl) |
1899
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
288 if (name and os.path.exists(p)) or os.path.isdir(p): |
1897
58b6784cf9f1
move hgweb.templatepath into templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1896
diff
changeset
|
289 return os.path.normpath(p) |
2189
e3eba577a0ae
move changeset_templater into templater module.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2001
diff
changeset
|
290 |