author | Wagner Bruna <wbruna@softwareexpress.com.br> |
Wed, 31 May 2017 19:24:00 -0300 | |
branch | stable |
changeset 32574 | 870248603a4e |
parent 31481 | a7c687c35119 |
child 32318 | 6a773d3050c9 |
permissions | -rw-r--r-- |
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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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from __future__ import absolute_import |
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import errno |
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import os |
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from .i18n import _ |
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from . import ( |
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error, |
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pycompat, |
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util, |
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) |
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class config(object): |
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def __init__(self, data=None, includepaths=None): |
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self._data = {} |
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self._source = {} |
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self._unset = [] |
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self._includepaths = includepaths or [] |
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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 hasitem(self, section, item): |
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return item in self._data.get(section, {}) |
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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, n in src._unset: |
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if s in self and n in self._data[s]: |
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del self._data[s][n] |
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del self._source[(s, n)] |
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for s in src: |
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if s not in self: |
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self._data[s] = util.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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def get(self, section, item, default=None): |
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return self._data.get(section, {}).get(item, default) |
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def backup(self, section, item): |
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"""return a tuple allowing restore to reinstall a previous value |
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The main reason we need it is because it handles the "no data" case. |
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""" |
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try: |
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value = self._data[section][item] |
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source = self.source(section, item) |
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return (section, item, value, source) |
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except KeyError: |
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return (section, item) |
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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 pycompat.ispy3: |
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assert not isinstance(value, str), ( |
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'config values may not be unicode strings on Python 3') |
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if section not in self: |
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self._data[section] = util.sortdict() |
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self._data[section][item] = value |
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if source: |
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self._source[(section, item)] = source |
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def restore(self, data): |
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"""restore data returned by self.backup""" |
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if len(data) == 4: |
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# restore old data |
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section, item, value, source = data |
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self._data[section][item] = value |
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self._source[(section, item)] = source |
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else: |
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# no data before, remove everything |
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section, item = data |
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if section in self._data: |
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self._data[section].pop(item, None) |
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self._source.pop((section, item), None) |
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def parse(self, src, data, sections=None, remap=None, include=None): |
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sectionre = util.re.compile(br'\[([^\[]+)\]') |
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itemre = util.re.compile(br'([^=\s][^=]*?)\s*=\s*(.*\S|)') |
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contre = util.re.compile(br'\s+(\S|\S.*\S)\s*$') |
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emptyre = util.re.compile(br'(;|#|\s*$)') |
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commentre = util.re.compile(br'(;|#)') |
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unsetre = util.re.compile(br'%unset\s+(\S+)') |
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103 |
includere = util.re.compile(br'%include\s+(\S|\S.*\S)\s*$') |
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section = "" |
105 |
item = None |
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line = 0 |
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cont = False |
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for l in data.splitlines(True): |
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line += 1 |
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111 |
if line == 1 and l.startswith('\xef\xbb\xbf'): |
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# Someone set us up the BOM |
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l = l[3:] |
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if cont: |
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if commentre.match(l): |
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116 |
continue |
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m = contre.match(l) |
118 |
if m: |
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if sections and section not in sections: |
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120 |
continue |
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v = self.get(section, item) + "\n" + m.group(1) |
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self.set(section, item, v, "%s:%d" % (src, line)) |
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continue |
124 |
item = None |
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cont = False |
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m = includere.match(l) |
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if m and include: |
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expanded = util.expandpath(m.group(1)) |
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includepaths = [os.path.dirname(src)] + self._includepaths |
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for base in includepaths: |
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diff
changeset
|
133 |
inc = os.path.normpath(os.path.join(base, expanded)) |
3182965b3971
config: give it an includepaths option for looking for config files
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
22419
diff
changeset
|
134 |
|
10042
7cdd2a7db2c2
config: raise ConfigError on non-existing include files
Martin Geisler <mg@lazybytes.net>
parents:
9471
diff
changeset
|
135 |
try: |
7cdd2a7db2c2
config: raise ConfigError on non-existing include files
Martin Geisler <mg@lazybytes.net>
parents:
9471
diff
changeset
|
136 |
include(inc, remap=remap, sections=sections) |
25095
3182965b3971
config: give it an includepaths option for looking for config files
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
22419
diff
changeset
|
137 |
break |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25095
diff
changeset
|
138 |
except IOError as inst: |
14486
4e3eda05189b
config: ignore include errors for nonexistent files
Matt Mackall <mpm@selenic.com>
parents:
13664
diff
changeset
|
139 |
if inst.errno != errno.ENOENT: |
4e3eda05189b
config: ignore include errors for nonexistent files
Matt Mackall <mpm@selenic.com>
parents:
13664
diff
changeset
|
140 |
raise error.ParseError(_("cannot include %s (%s)") |
4e3eda05189b
config: ignore include errors for nonexistent files
Matt Mackall <mpm@selenic.com>
parents:
13664
diff
changeset
|
141 |
% (inc, inst.strerror), |
4e3eda05189b
config: ignore include errors for nonexistent files
Matt Mackall <mpm@selenic.com>
parents:
13664
diff
changeset
|
142 |
"%s:%s" % (src, line)) |
8183
2858ab754995
config: allow including other config files
Matt Mackall <mpm@selenic.com>
parents:
8180
diff
changeset
|
143 |
continue |
8144 | 144 |
if emptyre.match(l): |
145 |
continue |
|
146 |
m = sectionre.match(l) |
|
147 |
if m: |
|
148 |
section = m.group(1) |
|
8298
9542f4c3fa1b
config: make remap actually work
Matt Mackall <mpm@selenic.com>
parents:
8265
diff
changeset
|
149 |
if remap: |
9542f4c3fa1b
config: make remap actually work
Matt Mackall <mpm@selenic.com>
parents:
8265
diff
changeset
|
150 |
section = remap.get(section, section) |
8144 | 151 |
if section not in self: |
21813
c2262004c2e2
config: move config.sortdict class into util
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
20789
diff
changeset
|
152 |
self._data[section] = util.sortdict() |
8144 | 153 |
continue |
154 |
m = itemre.match(l) |
|
155 |
if m: |
|
156 |
item = m.group(1) |
|
9339
9be91129c96e
config: improve code readability
Andrey <py4fun@gmail.com>
parents:
9136
diff
changeset
|
157 |
cont = True |
8193
94246e90081e
config: add section filter to read
Matt Mackall <mpm@selenic.com>
parents:
8192
diff
changeset
|
158 |
if sections and section not in sections: |
94246e90081e
config: add section filter to read
Matt Mackall <mpm@selenic.com>
parents:
8192
diff
changeset
|
159 |
continue |
8265
52c5be55af82
config: add parse interface
Matt Mackall <mpm@selenic.com>
parents:
8263
diff
changeset
|
160 |
self.set(section, item, m.group(2), "%s:%d" % (src, line)) |
8144 | 161 |
continue |
8184
9189afe1eba3
config: add %unset name support
Matt Mackall <mpm@selenic.com>
parents:
8183
diff
changeset
|
162 |
m = unsetre.match(l) |
9189afe1eba3
config: add %unset name support
Matt Mackall <mpm@selenic.com>
parents:
8183
diff
changeset
|
163 |
if m: |
9189afe1eba3
config: add %unset name support
Matt Mackall <mpm@selenic.com>
parents:
8183
diff
changeset
|
164 |
name = m.group(1) |
8193
94246e90081e
config: add section filter to read
Matt Mackall <mpm@selenic.com>
parents:
8192
diff
changeset
|
165 |
if sections and section not in sections: |
94246e90081e
config: add section filter to read
Matt Mackall <mpm@selenic.com>
parents:
8192
diff
changeset
|
166 |
continue |
13031
3da456d0c885
code style: prefer 'is' and 'is not' tests with singletons
Martin Geisler <mg@aragost.com>
parents:
11292
diff
changeset
|
167 |
if self.get(section, name) is not None: |
8184
9189afe1eba3
config: add %unset name support
Matt Mackall <mpm@selenic.com>
parents:
8183
diff
changeset
|
168 |
del self._data[section][name] |
19087
7d82ad4b3727
config: discard "%unset" values defined in the other files read in previously
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17537
diff
changeset
|
169 |
self._unset.append((section, name)) |
8184
9189afe1eba3
config: add %unset name support
Matt Mackall <mpm@selenic.com>
parents:
8183
diff
changeset
|
170 |
continue |
9189afe1eba3
config: add %unset name support
Matt Mackall <mpm@selenic.com>
parents:
8183
diff
changeset
|
171 |
|
11288
2123aad24d56
error: add new ParseError for various parsing errors
Matt Mackall <mpm@selenic.com>
parents:
11224
diff
changeset
|
172 |
raise error.ParseError(l.rstrip(), ("%s:%s" % (src, line))) |
8265
52c5be55af82
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Matt Mackall <mpm@selenic.com>
parents:
8263
diff
changeset
|
173 |
|
52c5be55af82
config: add parse interface
Matt Mackall <mpm@selenic.com>
parents:
8263
diff
changeset
|
174 |
def read(self, path, fp=None, sections=None, remap=None): |
52c5be55af82
config: add parse interface
Matt Mackall <mpm@selenic.com>
parents:
8263
diff
changeset
|
175 |
if not fp: |
31154
fd3f4bf9325e
config: load included config files in binary mode
Augie Fackler <raf@durin42.com>
parents:
30349
diff
changeset
|
176 |
fp = util.posixfile(path, 'rb') |
31176
99c5843b228d
config: add sanity assert that files are opened as binary
Augie Fackler <raf@durin42.com>
parents:
31155
diff
changeset
|
177 |
assert getattr(fp, 'mode', r'rb') == r'rb', ( |
99c5843b228d
config: add sanity assert that files are opened as binary
Augie Fackler <raf@durin42.com>
parents:
31155
diff
changeset
|
178 |
'config files must be opened in binary mode, got fp=%r mode=%r' % ( |
99c5843b228d
config: add sanity assert that files are opened as binary
Augie Fackler <raf@durin42.com>
parents:
31155
diff
changeset
|
179 |
fp, fp.mode)) |
31155
8266802f0fa4
config: pass some optional args as keywords
Augie Fackler <raf@durin42.com>
parents:
31154
diff
changeset
|
180 |
self.parse(path, fp.read(), |
8266802f0fa4
config: pass some optional args as keywords
Augie Fackler <raf@durin42.com>
parents:
31154
diff
changeset
|
181 |
sections=sections, remap=remap, include=self.read) |
31481
a7c687c35119
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changeset
|
182 |
|
a7c687c35119
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diff
changeset
|
183 |
def parselist(value): |
a7c687c35119
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parents:
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diff
changeset
|
184 |
"""parse a configuration value as a list of comma/space separated strings |
a7c687c35119
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diff
changeset
|
185 |
|
a7c687c35119
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changeset
|
186 |
>>> parselist('this,is "a small" ,test') |
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changeset
|
187 |
['this', 'is', 'a small', 'test'] |
a7c687c35119
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changeset
|
188 |
""" |
a7c687c35119
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diff
changeset
|
189 |
|
a7c687c35119
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diff
changeset
|
190 |
def _parse_plain(parts, s, offset): |
a7c687c35119
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diff
changeset
|
191 |
whitespace = False |
a7c687c35119
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diff
changeset
|
192 |
while offset < len(s) and (s[offset:offset + 1].isspace() |
a7c687c35119
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parents:
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diff
changeset
|
193 |
or s[offset:offset + 1] == ','): |
a7c687c35119
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parents:
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diff
changeset
|
194 |
whitespace = True |
a7c687c35119
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diff
changeset
|
195 |
offset += 1 |
a7c687c35119
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diff
changeset
|
196 |
if offset >= len(s): |
a7c687c35119
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parents:
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diff
changeset
|
197 |
return None, parts, offset |
a7c687c35119
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parents:
31374
diff
changeset
|
198 |
if whitespace: |
a7c687c35119
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parents:
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diff
changeset
|
199 |
parts.append('') |
a7c687c35119
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parents:
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diff
changeset
|
200 |
if s[offset:offset + 1] == '"' and not parts[-1]: |
a7c687c35119
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parents:
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diff
changeset
|
201 |
return _parse_quote, parts, offset + 1 |
a7c687c35119
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Jun Wu <quark@fb.com>
parents:
31374
diff
changeset
|
202 |
elif s[offset:offset + 1] == '"' and parts[-1][-1] == '\\': |
a7c687c35119
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Jun Wu <quark@fb.com>
parents:
31374
diff
changeset
|
203 |
parts[-1] = parts[-1][:-1] + s[offset:offset + 1] |
a7c687c35119
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parents:
31374
diff
changeset
|
204 |
return _parse_plain, parts, offset + 1 |
a7c687c35119
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parents:
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diff
changeset
|
205 |
parts[-1] += s[offset:offset + 1] |
a7c687c35119
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parents:
31374
diff
changeset
|
206 |
return _parse_plain, parts, offset + 1 |
a7c687c35119
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parents:
31374
diff
changeset
|
207 |
|
a7c687c35119
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parents:
31374
diff
changeset
|
208 |
def _parse_quote(parts, s, offset): |
a7c687c35119
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parents:
31374
diff
changeset
|
209 |
if offset < len(s) and s[offset:offset + 1] == '"': # "" |
a7c687c35119
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parents:
31374
diff
changeset
|
210 |
parts.append('') |
a7c687c35119
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Jun Wu <quark@fb.com>
parents:
31374
diff
changeset
|
211 |
offset += 1 |
a7c687c35119
ui: move configlist parser to config.py
Jun Wu <quark@fb.com>
parents:
31374
diff
changeset
|
212 |
while offset < len(s) and (s[offset:offset + 1].isspace() or |
a7c687c35119
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Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
213 |
s[offset:offset + 1] == ','): |
a7c687c35119
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parents:
31374
diff
changeset
|
214 |
offset += 1 |
a7c687c35119
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parents:
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diff
changeset
|
215 |
return _parse_plain, parts, offset |
a7c687c35119
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Jun Wu <quark@fb.com>
parents:
31374
diff
changeset
|
216 |
|
a7c687c35119
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Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
217 |
while offset < len(s) and s[offset:offset + 1] != '"': |
a7c687c35119
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parents:
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diff
changeset
|
218 |
if (s[offset:offset + 1] == '\\' and offset + 1 < len(s) |
a7c687c35119
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parents:
31374
diff
changeset
|
219 |
and s[offset + 1:offset + 2] == '"'): |
a7c687c35119
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parents:
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diff
changeset
|
220 |
offset += 1 |
a7c687c35119
ui: move configlist parser to config.py
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
221 |
parts[-1] += '"' |
a7c687c35119
ui: move configlist parser to config.py
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parents:
31374
diff
changeset
|
222 |
else: |
a7c687c35119
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parents:
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diff
changeset
|
223 |
parts[-1] += s[offset:offset + 1] |
a7c687c35119
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parents:
31374
diff
changeset
|
224 |
offset += 1 |
a7c687c35119
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parents:
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diff
changeset
|
225 |
|
a7c687c35119
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parents:
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diff
changeset
|
226 |
if offset >= len(s): |
a7c687c35119
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parents:
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diff
changeset
|
227 |
real_parts = _configlist(parts[-1]) |
a7c687c35119
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parents:
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diff
changeset
|
228 |
if not real_parts: |
a7c687c35119
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diff
changeset
|
229 |
parts[-1] = '"' |
a7c687c35119
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31374
diff
changeset
|
230 |
else: |
a7c687c35119
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diff
changeset
|
231 |
real_parts[0] = '"' + real_parts[0] |
a7c687c35119
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diff
changeset
|
232 |
parts = parts[:-1] |
a7c687c35119
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diff
changeset
|
233 |
parts.extend(real_parts) |
a7c687c35119
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diff
changeset
|
234 |
return None, parts, offset |
a7c687c35119
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diff
changeset
|
235 |
|
a7c687c35119
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diff
changeset
|
236 |
offset += 1 |
a7c687c35119
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diff
changeset
|
237 |
while offset < len(s) and s[offset:offset + 1] in [' ', ',']: |
a7c687c35119
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parents:
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diff
changeset
|
238 |
offset += 1 |
a7c687c35119
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parents:
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diff
changeset
|
239 |
|
a7c687c35119
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parents:
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diff
changeset
|
240 |
if offset < len(s): |
a7c687c35119
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parents:
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diff
changeset
|
241 |
if offset + 1 == len(s) and s[offset:offset + 1] == '"': |
a7c687c35119
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diff
changeset
|
242 |
parts[-1] += '"' |
a7c687c35119
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parents:
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diff
changeset
|
243 |
offset += 1 |
a7c687c35119
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parents:
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diff
changeset
|
244 |
else: |
a7c687c35119
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diff
changeset
|
245 |
parts.append('') |
a7c687c35119
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diff
changeset
|
246 |
else: |
a7c687c35119
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diff
changeset
|
247 |
return None, parts, offset |
a7c687c35119
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diff
changeset
|
248 |
|
a7c687c35119
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changeset
|
249 |
return _parse_plain, parts, offset |
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changeset
|
250 |
|
a7c687c35119
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changeset
|
251 |
def _configlist(s): |
a7c687c35119
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changeset
|
252 |
s = s.rstrip(' ,') |
a7c687c35119
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changeset
|
253 |
if not s: |
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changeset
|
254 |
return [] |
a7c687c35119
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changeset
|
255 |
parser, parts, offset = _parse_plain, [''], 0 |
a7c687c35119
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diff
changeset
|
256 |
while parser: |
a7c687c35119
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changeset
|
257 |
parser, parts, offset = parser(parts, s, offset) |
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changeset
|
258 |
return parts |
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changeset
|
259 |
|
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changeset
|
260 |
if value is not None and isinstance(value, bytes): |
a7c687c35119
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diff
changeset
|
261 |
result = _configlist(value.lstrip(' ,\n')) |
a7c687c35119
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diff
changeset
|
262 |
else: |
a7c687c35119
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changeset
|
263 |
result = value |
a7c687c35119
ui: move configlist parser to config.py
Jun Wu <quark@fb.com>
parents:
31374
diff
changeset
|
264 |
return result or [] |