Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/config.py @ 8222:d30a21594812

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more whitespace cleanup and some other style nits
author Dirkjan Ochtman <dirkjan@ochtman.nl>
date Mon, 27 Apr 2009 12:37:19 +0200
parents cf9accffd0b3
children ddf3d6656e7c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 from i18n import _
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2 import re, error, os
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3
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4 class sortdict(dict):
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5 'a simple sorted dictionary'
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6 def __init__(self, data=None):
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7 self._list = []
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8 if data:
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9 self.update(data)
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10 def copy(self):
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11 return sortdict(self)
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12 def __setitem__(self, key, val):
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13 if key in self:
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14 self._list.remove(key)
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15 self._list.append(key)
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16 dict.__setitem__(self, key, val)
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17 def __iter__(self):
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18 return self._list.__iter__()
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19 def update(self, src):
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20 for k in src:
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21 self[k] = src[k]
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22 def items(self):
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23 return [(k, self[k]) for k in self._list]
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24 def __delitem__(self, key):
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25 dict.__delitem__(self, key)
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26 self._list.remove(key)
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27
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28 class config(object):
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29 def __init__(self, data=None):
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30 self._data = {}
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31 self._source = {}
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32 if data:
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33 for k in data._data:
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34 self._data[k] = data[k].copy()
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35 self._source = data._source.copy()
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36 def copy(self):
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37 return config(self)
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38 def __contains__(self, section):
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39 return section in self._data
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40 def __getitem__(self, section):
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41 return self._data.get(section, {})
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42 def __iter__(self):
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43 for d in self.sections():
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44 yield d
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45 def update(self, src):
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46 for s in src:
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47 if s not in self:
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48 self._data[s] = sortdict()
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49 self._data[s].update(src._data[s])
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50 self._source.update(src._source)
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51 def get(self, section, item, default=None):
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52 return self._data.get(section, {}).get(item, default)
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53 def source(self, section, item):
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54 return self._source.get((section, item), "")
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55 def sections(self):
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56 return sorted(self._data.keys())
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57 def items(self, section):
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58 return self._data.get(section, {}).items()
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59 def set(self, section, item, value, source=""):
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60 if section not in self:
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61 self._data[section] = sortdict()
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62 self._data[section][item] = value
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63 self._source[(section, item)] = source
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64
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65 def read(self, path, fp=None, sections=None):
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66 sectionre = re.compile(r'\[([^\[]+)\]')
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67 itemre = re.compile(r'([^=\s]+)\s*=\s*(.*\S|)')
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68 contre = re.compile(r'\s+(\S.*\S)')
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69 emptyre = re.compile(r'(;|#|\s*$)')
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70 unsetre = re.compile(r'%unset\s+(\S+)')
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71 includere = re.compile(r'%include\s+(\S.*\S)')
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72 section = ""
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73 item = None
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74 line = 0
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75 cont = 0
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76
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77 if not fp:
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78 fp = open(path)
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79
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80 for l in fp:
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81 line += 1
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82 if cont:
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83 m = contre.match(l)
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84 if m:
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85 if sections and section not in sections:
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86 continue
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87 v = self.get(section, item) + "\n" + m.group(1)
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88 self.set(section, item, v, "%s:%d" % (path, line))
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89 continue
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90 item = None
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91 m = includere.match(l)
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92 if m:
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93 inc = m.group(1)
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94 base = os.path.dirname(path)
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95 inc = os.path.normpath(os.path.join(base, inc))
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96 incfp = open(inc)
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97 self.read(inc, incfp)
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98 continue
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99 if emptyre.match(l):
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100 continue
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101 m = sectionre.match(l)
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102 if m:
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103 section = m.group(1)
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104 if section not in self:
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105 self._data[section] = sortdict()
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106 continue
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107 m = itemre.match(l)
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108 if m:
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109 item = m.group(1)
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110 cont = 1
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111 if sections and section not in sections:
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112 continue
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113 self.set(section, item, m.group(2), "%s:%d" % (path, line))
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114 continue
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115 m = unsetre.match(l)
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116 if m:
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117 name = m.group(1)
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118 if sections and section not in sections:
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119 continue
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120 if self.get(section, name) != None:
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121 del self._data[section][name]
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122 continue
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123
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124 raise error.ConfigError(_('config error at %s:%d: \'%s\'')
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125 % (path, line, l.rstrip()))