Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/config.py @ 8263:41031699550a

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config: allow spaces in key portion of items
author Matt Mackall <mpm@selenic.com>
date Wed, 29 Apr 2009 20:47:30 -0500
parents ddf3d6656e7c
children 52c5be55af82
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # config.py - configuration parsing for Mercurial
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2 #
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3 # Copyright 2009 Matt Mackall <mpm@selenic.com> and others
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2, incorporated herein by reference.
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7
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8 from i18n import _
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9 import re, error, os
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10
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11 class sortdict(dict):
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12 'a simple sorted dictionary'
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13 def __init__(self, data=None):
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14 self._list = []
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15 if data:
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16 self.update(data)
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17 def copy(self):
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18 return sortdict(self)
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19 def __setitem__(self, key, val):
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20 if key in self:
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21 self._list.remove(key)
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22 self._list.append(key)
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23 dict.__setitem__(self, key, val)
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24 def __iter__(self):
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25 return self._list.__iter__()
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26 def update(self, src):
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27 for k in src:
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28 self[k] = src[k]
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29 def items(self):
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30 return [(k, self[k]) for k in self._list]
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31 def __delitem__(self, key):
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32 dict.__delitem__(self, key)
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33 self._list.remove(key)
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34
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35 class config(object):
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36 def __init__(self, data=None):
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37 self._data = {}
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38 self._source = {}
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39 if data:
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40 for k in data._data:
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41 self._data[k] = data[k].copy()
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42 self._source = data._source.copy()
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43 def copy(self):
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44 return config(self)
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45 def __contains__(self, section):
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46 return section in self._data
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47 def __getitem__(self, section):
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48 return self._data.get(section, {})
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49 def __iter__(self):
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50 for d in self.sections():
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51 yield d
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52 def update(self, src):
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53 for s in src:
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54 if s not in self:
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55 self._data[s] = sortdict()
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56 self._data[s].update(src._data[s])
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57 self._source.update(src._source)
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58 def get(self, section, item, default=None):
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59 return self._data.get(section, {}).get(item, default)
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60 def source(self, section, item):
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61 return self._source.get((section, item), "")
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62 def sections(self):
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63 return sorted(self._data.keys())
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64 def items(self, section):
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65 return self._data.get(section, {}).items()
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66 def set(self, section, item, value, source=""):
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67 if section not in self:
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68 self._data[section] = sortdict()
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69 self._data[section][item] = value
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70 self._source[(section, item)] = source
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71
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72 def read(self, path, fp=None, sections=None):
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73 sectionre = re.compile(r'\[([^\[]+)\]')
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74 itemre = re.compile(r'([^=\s][^=]*?)\s*=\s*(.*\S|)')
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75 contre = re.compile(r'\s+(\S.*\S)')
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76 emptyre = re.compile(r'(;|#|\s*$)')
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77 unsetre = re.compile(r'%unset\s+(\S+)')
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78 includere = re.compile(r'%include\s+(\S.*\S)')
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79 section = ""
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80 item = None
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81 line = 0
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82 cont = 0
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83
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84 if not fp:
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85 fp = open(path)
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86
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87 for l in fp:
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88 line += 1
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89 if cont:
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90 m = contre.match(l)
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91 if m:
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92 if sections and section not in sections:
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93 continue
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94 v = self.get(section, item) + "\n" + m.group(1)
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95 self.set(section, item, v, "%s:%d" % (path, line))
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96 continue
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97 item = None
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98 m = includere.match(l)
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99 if m:
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100 inc = m.group(1)
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101 base = os.path.dirname(path)
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102 inc = os.path.normpath(os.path.join(base, inc))
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103 incfp = open(inc)
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104 self.read(inc, incfp)
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105 continue
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106 if emptyre.match(l):
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107 continue
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108 m = sectionre.match(l)
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109 if m:
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110 section = m.group(1)
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111 if section not in self:
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112 self._data[section] = sortdict()
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113 continue
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114 m = itemre.match(l)
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115 if m:
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116 item = m.group(1)
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117 cont = 1
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118 if sections and section not in sections:
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119 continue
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120 self.set(section, item, m.group(2), "%s:%d" % (path, line))
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121 continue
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122 m = unsetre.match(l)
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123 if m:
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124 name = m.group(1)
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125 if sections and section not in sections:
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126 continue
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127 if self.get(section, name) != None:
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128 del self._data[section][name]
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129 continue
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130
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131 raise error.ConfigError(_('config error at %s:%d: \'%s\'')
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132 % (path, line, l.rstrip()))