Mercurial > hg
annotate mercurial/config.py @ 8262:3d7b1d97230d
localrepo: use set for requirements
author | Matt Mackall <mpm@selenic.com> |
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date | Wed, 29 Apr 2009 20:47:28 -0500 |
parents | ddf3d6656e7c |
children | 41031699550a |
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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 |
8144 | 8 from i18n import _ |
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9 import re, error, os |
8144 | 10 |
11 class sortdict(dict): | |
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12 'a simple sorted dictionary' |
8144 | 13 def __init__(self, data=None): |
14 self._list = [] | |
15 if data: | |
16 self.update(data) | |
17 def copy(self): | |
18 return sortdict(self) | |
19 def __setitem__(self, key, val): | |
20 if key in self: | |
21 self._list.remove(key) | |
22 self._list.append(key) | |
23 dict.__setitem__(self, key, val) | |
24 def __iter__(self): | |
25 return self._list.__iter__() | |
26 def update(self, src): | |
27 for k in src: | |
28 self[k] = src[k] | |
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) |
8144 | 34 |
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35 class config(object): |
8144 | 36 def __init__(self, data=None): |
37 self._data = {} | |
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38 self._source = {} |
8144 | 39 if data: |
40 for k in data._data: | |
41 self._data[k] = data[k].copy() | |
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42 self._source = data._source.copy() |
8144 | 43 def copy(self): |
44 return config(self) | |
45 def __contains__(self, section): | |
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: |
8144 | 54 if s not in self: |
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) |
8144 | 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), "") |
8144 | 62 def sections(self): |
63 return sorted(self._data.keys()) | |
64 def items(self, section): | |
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65 return self._data.get(section, {}).items() |
8144 | 66 def set(self, section, item, value, source=""): |
67 if section not in self: | |
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 |
8144 | 71 |
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72 def read(self, path, fp=None, sections=None): |
8144 | 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)') |
8144 | 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)') |
8144 | 79 section = "" |
80 item = None | |
81 line = 0 | |
82 cont = 0 | |
8180 | 83 |
84 if not fp: | |
85 fp = open(path) | |
86 | |
8144 | 87 for l in fp: |
88 line += 1 | |
89 if cont: | |
90 m = contre.match(l) | |
91 if m: | |
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92 if sections and section not in sections: |
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93 continue |
8144 | 94 v = self.get(section, item) + "\n" + m.group(1) |
95 self.set(section, item, v, "%s:%d" % (path, line)) | |
96 continue | |
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 |
8144 | 106 if emptyre.match(l): |
107 continue | |
108 m = sectionre.match(l) | |
109 if m: | |
110 section = m.group(1) | |
111 if section not in self: | |
112 self._data[section] = sortdict() | |
113 continue | |
114 m = itemre.match(l) | |
115 if m: | |
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 |
8144 | 120 self.set(section, item, m.group(2), "%s:%d" % (path, line)) |
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 |
8144 | 131 raise error.ConfigError(_('config error at %s:%d: \'%s\'') |
132 % (path, line, l.rstrip())) |