Mercurial > public > mercurial-scm > hg

annotate mercurial/config.py @ 8185:dc10a7a3f1d4

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config: split source data out into separate map
author Matt Mackall <mpm@selenic.com>
date Sun, 26 Apr 2009 16:50:43 -0500
parents 9189afe1eba3
children 6a0018cdb2fe
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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 if hasattr(data, '_list'):
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10 self._list = list(data._list)
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11 self.update(data)
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12 def copy(self):
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13 return sortdict(self)
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14 def __setitem__(self, key, val):
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15 if key in self:
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16 self._list.remove(key)
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17 self._list.append(key)
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18 dict.__setitem__(self, key, val)
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19 def __iter__(self):
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20 return self._list.__iter__()
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21 def update(self, src):
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22 for k in src:
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23 self[k] = src[k]
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24 def items(self):
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25 return [(k,self[k]) for k in self._list]
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26 def __delitem__(self, key):
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27 dict.__delitem__(self, key)
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28 self._list.remove(key)
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29
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30 class config:
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31 def __init__(self, data=None):
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32 self._data = {}
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33 self._source = {}
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34 if data:
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35 for k in data._data:
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36 self._data[k] = data[k].copy()
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37 self._source = data._source.copy()
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38 def copy(self):
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39 return config(self)
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40 def __contains__(self, section):
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41 return section in self._data
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42 def update(self, src, sections=None):
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43 if not sections:
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44 sections = src.sections()
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45 for s in sections:
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46 if s not in src:
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47 continue
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48 if s not in self:
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49 self._data[s] = sortdict()
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50 for k in src._data[s]:
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51 self._data[s][k] = src._data[s][k]
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52 self._source[(s, k)] = src._source[(s, k)]
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53 def get(self, section, item, default=None):
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54 return self._data.get(section, {}).get(item, default)
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55 def getsource(self, section, item):
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56 return self._source.get((section, item), "")
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57 def sections(self):
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58 return sorted(self._data.keys())
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59 def items(self, section):
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60 return self._data.get(section, {}).items()
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61 def set(self, section, item, value, source=""):
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62 if section not in self:
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63 self._data[section] = sortdict()
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64 self._data[section][item] = value
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65 self._source[(section, item)] = source
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66
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67 def read(self, path, fp=None):
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68 sectionre = re.compile(r'\[([^\[]+)\]')
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69 itemre = re.compile(r'([^=\s]+)\s*=\s*(.*)')
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70 contre = re.compile(r'\s+(\S.*)')
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71 emptyre = re.compile(r'(;|#|\s*$)')
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72 unsetre = re.compile(r'%unset\s+(\S.*)')
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73 includere = re.compile(r'%include\s+(\S.*)')
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74 section = ""
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75 item = None
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76 line = 0
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77 cont = 0
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78
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79 if not fp:
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80 fp = open(path)
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81
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82 for l in fp:
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83 line += 1
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84 if cont:
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85 m = contre.match(l)
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86 if m:
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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 self.set(section, item, m.group(2), "%s:%d" % (path, line))
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111 cont = 1
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112 continue
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113 m = unsetre.match(l)
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114 if m:
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115 name = m.group(1)
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116 if self.get(section, name) != None:
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117 del self._data[section][name]
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118 continue
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119
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120 raise error.ConfigError(_('config error at %s:%d: \'%s\'')
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121 % (path, line, l.rstrip()))