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@@ -1,183 +1,183 b'' | |||||
1 | # config.py - configuration parsing for Mercurial |
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1 | # config.py - configuration parsing for Mercurial | |
2 | # |
|
2 | # | |
3 | # Copyright 2009 Matt Mackall <mpm@selenic.com> and others |
|
3 | # Copyright 2009 Matt Mackall <mpm@selenic.com> and others | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from i18n import _ |
|
8 | from i18n import _ | |
9 | import error, util |
|
9 | import error, util | |
10 | import os, errno |
|
10 | import os, errno | |
11 |
|
11 | |||
12 | class sortdict(dict): |
|
12 | class sortdict(dict): | |
13 | 'a simple sorted dictionary' |
|
13 | 'a simple sorted dictionary' | |
14 | def __init__(self, data=None): |
|
14 | def __init__(self, data=None): | |
15 | self._list = [] |
|
15 | self._list = [] | |
16 | if data: |
|
16 | if data: | |
17 | self.update(data) |
|
17 | self.update(data) | |
18 | def copy(self): |
|
18 | def copy(self): | |
19 | return sortdict(self) |
|
19 | return sortdict(self) | |
20 | def __setitem__(self, key, val): |
|
20 | def __setitem__(self, key, val): | |
21 | if key in self: |
|
21 | if key in self: | |
22 | self._list.remove(key) |
|
22 | self._list.remove(key) | |
23 | self._list.append(key) |
|
23 | self._list.append(key) | |
24 | dict.__setitem__(self, key, val) |
|
24 | dict.__setitem__(self, key, val) | |
25 | def __iter__(self): |
|
25 | def __iter__(self): | |
26 | return self._list.__iter__() |
|
26 | return self._list.__iter__() | |
27 | def update(self, src): |
|
27 | def update(self, src): | |
28 | for k in src: |
|
28 | for k in src: | |
29 | self[k] = src[k] |
|
29 | self[k] = src[k] | |
30 | def clear(self): |
|
30 | def clear(self): | |
31 | dict.clear(self) |
|
31 | dict.clear(self) | |
32 | self._list = [] |
|
32 | self._list = [] | |
33 | def items(self): |
|
33 | def items(self): | |
34 | return [(k, self[k]) for k in self._list] |
|
34 | return [(k, self[k]) for k in self._list] | |
35 | def __delitem__(self, key): |
|
35 | def __delitem__(self, key): | |
36 | dict.__delitem__(self, key) |
|
36 | dict.__delitem__(self, key) | |
37 | self._list.remove(key) |
|
37 | self._list.remove(key) | |
38 | def keys(self): |
|
38 | def keys(self): | |
39 | return self._list |
|
39 | return self._list | |
40 | def iterkeys(self): |
|
40 | def iterkeys(self): | |
41 | return self._list.__iter__() |
|
41 | return self._list.__iter__() | |
42 |
|
42 | |||
43 | class config(object): |
|
43 | class config(object): | |
44 | def __init__(self, data=None): |
|
44 | def __init__(self, data=None): | |
45 | self._data = {} |
|
45 | self._data = {} | |
46 | self._source = {} |
|
46 | self._source = {} | |
47 | if data: |
|
47 | if data: | |
48 | for k in data._data: |
|
48 | for k in data._data: | |
49 | self._data[k] = data[k].copy() |
|
49 | self._data[k] = data[k].copy() | |
50 | self._source = data._source.copy() |
|
50 | self._source = data._source.copy() | |
51 | def copy(self): |
|
51 | def copy(self): | |
52 | return config(self) |
|
52 | return config(self) | |
53 | def __contains__(self, section): |
|
53 | def __contains__(self, section): | |
54 | return section in self._data |
|
54 | return section in self._data | |
55 | def __getitem__(self, section): |
|
55 | def __getitem__(self, section): | |
56 | return self._data.get(section, {}) |
|
56 | return self._data.get(section, {}) | |
57 | def __iter__(self): |
|
57 | def __iter__(self): | |
58 | for d in self.sections(): |
|
58 | for d in self.sections(): | |
59 | yield d |
|
59 | yield d | |
60 | def update(self, src): |
|
60 | def update(self, src): | |
61 | for s in src: |
|
61 | for s in src: | |
62 | if s not in self: |
|
62 | if s not in self: | |
63 | self._data[s] = sortdict() |
|
63 | self._data[s] = sortdict() | |
64 | self._data[s].update(src._data[s]) |
|
64 | self._data[s].update(src._data[s]) | |
65 | self._source.update(src._source) |
|
65 | self._source.update(src._source) | |
66 | def get(self, section, item, default=None): |
|
66 | def get(self, section, item, default=None): | |
67 | return self._data.get(section, {}).get(item, default) |
|
67 | return self._data.get(section, {}).get(item, default) | |
68 |
|
68 | |||
69 | def backup(self, section, item): |
|
69 | def backup(self, section, item): | |
70 | """return a tuple allowing restore to reinstall a previous value |
|
70 | """return a tuple allowing restore to reinstall a previous value | |
71 |
|
71 | |||
72 | The main reason we need it is because it handle the "no data" case. |
|
72 | The main reason we need it is because it handles the "no data" case. | |
73 | """ |
|
73 | """ | |
74 | try: |
|
74 | try: | |
75 | value = self._data[section][item] |
|
75 | value = self._data[section][item] | |
76 | source = self.source(section, item) |
|
76 | source = self.source(section, item) | |
77 | return (section, item, value, source) |
|
77 | return (section, item, value, source) | |
78 | except KeyError: |
|
78 | except KeyError: | |
79 | return (section, item) |
|
79 | return (section, item) | |
80 |
|
80 | |||
81 | def source(self, section, item): |
|
81 | def source(self, section, item): | |
82 | return self._source.get((section, item), "") |
|
82 | return self._source.get((section, item), "") | |
83 | def sections(self): |
|
83 | def sections(self): | |
84 | return sorted(self._data.keys()) |
|
84 | return sorted(self._data.keys()) | |
85 | def items(self, section): |
|
85 | def items(self, section): | |
86 | return self._data.get(section, {}).items() |
|
86 | return self._data.get(section, {}).items() | |
87 | def set(self, section, item, value, source=""): |
|
87 | def set(self, section, item, value, source=""): | |
88 | if section not in self: |
|
88 | if section not in self: | |
89 | self._data[section] = sortdict() |
|
89 | self._data[section] = sortdict() | |
90 | self._data[section][item] = value |
|
90 | self._data[section][item] = value | |
91 | self._source[(section, item)] = source |
|
91 | self._source[(section, item)] = source | |
92 |
|
92 | |||
93 | def restore(self, data): |
|
93 | def restore(self, data): | |
94 | """restore data returned by self.backup""" |
|
94 | """restore data returned by self.backup""" | |
95 | if len(data) == 4: |
|
95 | if len(data) == 4: | |
96 | # restore old data |
|
96 | # restore old data | |
97 | section, item, value, source = data |
|
97 | section, item, value, source = data | |
98 | self._data[section][item] = value |
|
98 | self._data[section][item] = value | |
99 | self._source[(section, item)] = source |
|
99 | self._source[(section, item)] = source | |
100 | else: |
|
100 | else: | |
101 | # no data before, remove everything |
|
101 | # no data before, remove everything | |
102 | section, item = data |
|
102 | section, item = data | |
103 | if section in self._data: |
|
103 | if section in self._data: | |
104 | del self._data[section][item] |
|
104 | del self._data[section][item] | |
105 | self._source.pop((section, item), None) |
|
105 | self._source.pop((section, item), None) | |
106 |
|
106 | |||
107 | def parse(self, src, data, sections=None, remap=None, include=None): |
|
107 | def parse(self, src, data, sections=None, remap=None, include=None): | |
108 | sectionre = util.compilere(r'\[([^\[]+)\]') |
|
108 | sectionre = util.compilere(r'\[([^\[]+)\]') | |
109 | itemre = util.compilere(r'([^=\s][^=]*?)\s*=\s*(.*\S|)') |
|
109 | itemre = util.compilere(r'([^=\s][^=]*?)\s*=\s*(.*\S|)') | |
110 | contre = util.compilere(r'\s+(\S|\S.*\S)\s*$') |
|
110 | contre = util.compilere(r'\s+(\S|\S.*\S)\s*$') | |
111 | emptyre = util.compilere(r'(;|#|\s*$)') |
|
111 | emptyre = util.compilere(r'(;|#|\s*$)') | |
112 | commentre = util.compilere(r'(;|#)') |
|
112 | commentre = util.compilere(r'(;|#)') | |
113 | unsetre = util.compilere(r'%unset\s+(\S+)') |
|
113 | unsetre = util.compilere(r'%unset\s+(\S+)') | |
114 | includere = util.compilere(r'%include\s+(\S|\S.*\S)\s*$') |
|
114 | includere = util.compilere(r'%include\s+(\S|\S.*\S)\s*$') | |
115 | section = "" |
|
115 | section = "" | |
116 | item = None |
|
116 | item = None | |
117 | line = 0 |
|
117 | line = 0 | |
118 | cont = False |
|
118 | cont = False | |
119 |
|
119 | |||
120 | for l in data.splitlines(True): |
|
120 | for l in data.splitlines(True): | |
121 | line += 1 |
|
121 | line += 1 | |
122 | if line == 1 and l.startswith('\xef\xbb\xbf'): |
|
122 | if line == 1 and l.startswith('\xef\xbb\xbf'): | |
123 | # Someone set us up the BOM |
|
123 | # Someone set us up the BOM | |
124 | l = l[3:] |
|
124 | l = l[3:] | |
125 | if cont: |
|
125 | if cont: | |
126 | if commentre.match(l): |
|
126 | if commentre.match(l): | |
127 | continue |
|
127 | continue | |
128 | m = contre.match(l) |
|
128 | m = contre.match(l) | |
129 | if m: |
|
129 | if m: | |
130 | if sections and section not in sections: |
|
130 | if sections and section not in sections: | |
131 | continue |
|
131 | continue | |
132 | v = self.get(section, item) + "\n" + m.group(1) |
|
132 | v = self.get(section, item) + "\n" + m.group(1) | |
133 | self.set(section, item, v, "%s:%d" % (src, line)) |
|
133 | self.set(section, item, v, "%s:%d" % (src, line)) | |
134 | continue |
|
134 | continue | |
135 | item = None |
|
135 | item = None | |
136 | cont = False |
|
136 | cont = False | |
137 | m = includere.match(l) |
|
137 | m = includere.match(l) | |
138 | if m: |
|
138 | if m: | |
139 | inc = util.expandpath(m.group(1)) |
|
139 | inc = util.expandpath(m.group(1)) | |
140 | base = os.path.dirname(src) |
|
140 | base = os.path.dirname(src) | |
141 | inc = os.path.normpath(os.path.join(base, inc)) |
|
141 | inc = os.path.normpath(os.path.join(base, inc)) | |
142 | if include: |
|
142 | if include: | |
143 | try: |
|
143 | try: | |
144 | include(inc, remap=remap, sections=sections) |
|
144 | include(inc, remap=remap, sections=sections) | |
145 | except IOError, inst: |
|
145 | except IOError, inst: | |
146 | if inst.errno != errno.ENOENT: |
|
146 | if inst.errno != errno.ENOENT: | |
147 | raise error.ParseError(_("cannot include %s (%s)") |
|
147 | raise error.ParseError(_("cannot include %s (%s)") | |
148 | % (inc, inst.strerror), |
|
148 | % (inc, inst.strerror), | |
149 | "%s:%s" % (src, line)) |
|
149 | "%s:%s" % (src, line)) | |
150 | continue |
|
150 | continue | |
151 | if emptyre.match(l): |
|
151 | if emptyre.match(l): | |
152 | continue |
|
152 | continue | |
153 | m = sectionre.match(l) |
|
153 | m = sectionre.match(l) | |
154 | if m: |
|
154 | if m: | |
155 | section = m.group(1) |
|
155 | section = m.group(1) | |
156 | if remap: |
|
156 | if remap: | |
157 | section = remap.get(section, section) |
|
157 | section = remap.get(section, section) | |
158 | if section not in self: |
|
158 | if section not in self: | |
159 | self._data[section] = sortdict() |
|
159 | self._data[section] = sortdict() | |
160 | continue |
|
160 | continue | |
161 | m = itemre.match(l) |
|
161 | m = itemre.match(l) | |
162 | if m: |
|
162 | if m: | |
163 | item = m.group(1) |
|
163 | item = m.group(1) | |
164 | cont = True |
|
164 | cont = True | |
165 | if sections and section not in sections: |
|
165 | if sections and section not in sections: | |
166 | continue |
|
166 | continue | |
167 | self.set(section, item, m.group(2), "%s:%d" % (src, line)) |
|
167 | self.set(section, item, m.group(2), "%s:%d" % (src, line)) | |
168 | continue |
|
168 | continue | |
169 | m = unsetre.match(l) |
|
169 | m = unsetre.match(l) | |
170 | if m: |
|
170 | if m: | |
171 | name = m.group(1) |
|
171 | name = m.group(1) | |
172 | if sections and section not in sections: |
|
172 | if sections and section not in sections: | |
173 | continue |
|
173 | continue | |
174 | if self.get(section, name) is not None: |
|
174 | if self.get(section, name) is not None: | |
175 | del self._data[section][name] |
|
175 | del self._data[section][name] | |
176 | continue |
|
176 | continue | |
177 |
|
177 | |||
178 | raise error.ParseError(l.rstrip(), ("%s:%s" % (src, line))) |
|
178 | raise error.ParseError(l.rstrip(), ("%s:%s" % (src, line))) | |
179 |
|
179 | |||
180 | def read(self, path, fp=None, sections=None, remap=None): |
|
180 | def read(self, path, fp=None, sections=None, remap=None): | |
181 | if not fp: |
|
181 | if not fp: | |
182 | fp = util.posixfile(path) |
|
182 | fp = util.posixfile(path) | |
183 | self.parse(path, fp.read(), sections, remap, self.read) |
|
183 | self.parse(path, fp.read(), sections, remap, self.read) |
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