author | Nishanth Amuluru <nishanth@fossee.in> |
Sat, 08 Jan 2011 11:20:57 +0530 | |
changeset 69 | c6bca38c1cbf |
permissions | -rw-r--r-- |
69
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# config.py - configuration parsing for Mercurial |
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# |
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# Copyright 2009 Matt Mackall <mpm@selenic.com> and others |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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|
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from i18n import _ |
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import error, util |
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import re, os |
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|
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class sortdict(dict): |
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'a simple sorted dictionary' |
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def __init__(self, data=None): |
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self._list = [] |
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if data: |
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self.update(data) |
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def copy(self): |
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return sortdict(self) |
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def __setitem__(self, key, val): |
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if key in self: |
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self._list.remove(key) |
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self._list.append(key) |
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dict.__setitem__(self, key, val) |
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def __iter__(self): |
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return self._list.__iter__() |
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def update(self, src): |
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for k in src: |
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self[k] = src[k] |
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def items(self): |
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return [(k, self[k]) for k in self._list] |
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def __delitem__(self, key): |
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dict.__delitem__(self, key) |
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self._list.remove(key) |
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|
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class config(object): |
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def __init__(self, data=None): |
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self._data = {} |
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self._source = {} |
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if data: |
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for k in data._data: |
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self._data[k] = data[k].copy() |
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self._source = data._source.copy() |
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def copy(self): |
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return config(self) |
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def __contains__(self, section): |
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return section in self._data |
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def __getitem__(self, section): |
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return self._data.get(section, {}) |
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def __iter__(self): |
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for d in self.sections(): |
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yield d |
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def update(self, src): |
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for s in src: |
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if s not in self: |
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self._data[s] = sortdict() |
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self._data[s].update(src._data[s]) |
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self._source.update(src._source) |
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59 |
def get(self, section, item, default=None): |
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return self._data.get(section, {}).get(item, default) |
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def source(self, section, item): |
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return self._source.get((section, item), "") |
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def sections(self): |
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return sorted(self._data.keys()) |
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def items(self, section): |
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return self._data.get(section, {}).items() |
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def set(self, section, item, value, source=""): |
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if section not in self: |
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self._data[section] = sortdict() |
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self._data[section][item] = value |
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self._source[(section, item)] = source |
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72 |
|
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def parse(self, src, data, sections=None, remap=None, include=None): |
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sectionre = re.compile(r'\[([^\[]+)\]') |
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itemre = re.compile(r'([^=\s][^=]*?)\s*=\s*(.*\S|)') |
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contre = re.compile(r'\s+(\S|\S.*\S)\s*$') |
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emptyre = re.compile(r'(;|#|\s*$)') |
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unsetre = re.compile(r'%unset\s+(\S+)') |
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includere = re.compile(r'%include\s+(\S|\S.*\S)\s*$') |
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section = "" |
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item = None |
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82 |
line = 0 |
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83 |
cont = False |
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84 |
|
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85 |
for l in data.splitlines(True): |
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86 |
line += 1 |
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87 |
if cont: |
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88 |
m = contre.match(l) |
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89 |
if m: |
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90 |
if sections and section not in sections: |
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91 |
continue |
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v = self.get(section, item) + "\n" + m.group(1) |
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93 |
self.set(section, item, v, "%s:%d" % (src, line)) |
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94 |
continue |
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95 |
item = None |
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cont = False |
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97 |
m = includere.match(l) |
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98 |
if m: |
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99 |
inc = util.expandpath(m.group(1)) |
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100 |
base = os.path.dirname(src) |
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101 |
inc = os.path.normpath(os.path.join(base, inc)) |
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102 |
if include: |
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103 |
try: |
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104 |
include(inc, remap=remap, sections=sections) |
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105 |
except IOError, inst: |
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106 |
raise error.ParseError(_("cannot include %s (%s)") |
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107 |
% (inc, inst.strerror), |
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108 |
"%s:%s" % (src, line)) |
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109 |
continue |
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110 |
if emptyre.match(l): |
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111 |
continue |
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112 |
m = sectionre.match(l) |
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113 |
if m: |
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114 |
section = m.group(1) |
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115 |
if remap: |
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116 |
section = remap.get(section, section) |
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117 |
if section not in self: |
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|
118 |
self._data[section] = sortdict() |
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|
119 |
continue |
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Nishanth Amuluru <nishanth@fossee.in>
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|
120 |
m = itemre.match(l) |
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parents:
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|
121 |
if m: |
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|
122 |
item = m.group(1) |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
123 |
cont = True |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
124 |
if sections and section not in sections: |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
125 |
continue |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
126 |
self.set(section, item, m.group(2), "%s:%d" % (src, line)) |
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parents:
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|
127 |
continue |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
128 |
m = unsetre.match(l) |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
129 |
if m: |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
130 |
name = m.group(1) |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
131 |
if sections and section not in sections: |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
132 |
continue |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
133 |
if self.get(section, name) != None: |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
134 |
del self._data[section][name] |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
135 |
continue |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
136 |
|
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
137 |
raise error.ParseError(l.rstrip(), ("%s:%s" % (src, line))) |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
138 |
|
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
139 |
def read(self, path, fp=None, sections=None, remap=None): |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
140 |
if not fp: |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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|
141 |
fp = open(path) |
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Nishanth Amuluru <nishanth@fossee.in>
parents:
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changeset
|
142 |
self.parse(path, fp.read(), sections, remap, self.read) |