Mercurial > libervia-backend

annotate sat/tools/config.py @ 3021:8ec35cf13f66

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc: added, overview, configuration and Primitivus documentation + some small modifications
author Goffi <goffi@goffi.org>
date Sun, 21 Jul 2019 22:14:30 +0200
parents 121c4a2a567c
children ab2696e34d29
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1934
2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang
Goffi <goffi@goffi.org>
parents: 1900
diff changeset
1 #!/usr/bin/env python2
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
2 # -*- coding: utf-8 -*-
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
3
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
4 # SAT: a jabber client
2771
003b8b4b56a7 date update
Goffi <goffi@goffi.org>
parents: 2671
diff changeset
5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
1766
d17772b0fe22 copyright update
Goffi <goffi@goffi.org>
parents: 1445
diff changeset
6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
7
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
8 # This program is free software: you can redistribute it and/or modify
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
9 # it under the terms of the GNU Affero General Public License as published by
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
10 # the Free Software Foundation, either version 3 of the License, or
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
11 # (at your option) any later version.
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
12
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
13 # This program is distributed in the hope that it will be useful,
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
16 # GNU Affero General Public License for more details.
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
17
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
18 # You should have received a copy of the GNU Affero General Public License
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
20
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
21 """ Configuration related useful methods """
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
22
2835
6aa22011bc6d tools (config): log error message if config can't be read
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
23 import os
6aa22011bc6d tools (config): log error message if config can't be read
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
24 import csv
6aa22011bc6d tools (config): log error message if config can't be read
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
25 import json
6aa22011bc6d tools (config): log error message if config can't be read
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
26 from ConfigParser import SafeConfigParser, DEFAULTSECT, NoOptionError, NoSectionError
6aa22011bc6d tools (config): log error message if config can't be read
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
27 from xdg import BaseDirectory
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
28 from sat.core.log import getLogger
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
29 from sat.core.constants import Const as C
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
30 from sat.core.i18n import _
1835
5b8a859d5bb4 core (config): getConfig now returns unicode and raise exceptions.ParsingError in case of parsing problem
Goffi <goffi@goffi.org>
parents: 1833
diff changeset
31 from sat.core import exceptions
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
32
2835
6aa22011bc6d tools (config): log error message if config can't be read
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
33 log = getLogger(__name__)
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
34
2965
121c4a2a567c core (config): if flatpak is detected, config is also looked after in /app
Goffi <goffi@goffi.org>
parents: 2836
diff changeset
35
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
36 def fixConfigOption(section, option, value, silent=True):
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
37 """Force a configuration option value, writing it in the first found user
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
38 config file, eventually creating a new user config file if none is found.
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
39
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
40 @param section (str): the config section
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
41 @param option (str): the config option
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
42 @param value (str): the new value
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
43 @param silent (boolean): toggle logging output (must be True when called from sat.sh)
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
44 """
1900
d1615f79dfe8 core (tools/config): fixed fixConfigOption:
Goffi <goffi@goffi.org>
parents: 1859
diff changeset
45 config = SafeConfigParser()
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
46 target_file = None
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
47 for file_ in C.CONFIG_FILES[::-1]:
2671
0fa217fafabf tools (common/template), jp: refactoring to handle multiple sites:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
48 # we will eventually update the existing file with the highest priority,
0fa217fafabf tools (common/template), jp: refactoring to handle multiple sites:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
49 # if it's a user personal file...
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
50 if not silent:
1409
3265a2639182 massive (preventive) addition of 'u' (unicode) before the strings passed to logging functions
souliane <souliane@mailoo.org>
parents: 1396
diff changeset
51 log.debug(_(u"Testing file %s") % file_)
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
52 if os.path.isfile(file_):
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
53 if file_.startswith(os.path.expanduser("~")):
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
54 config.read([file_])
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
55 target_file = file_
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
56 break
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
57 if not target_file:
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
58 # ... otherwise we create a new config file for that user
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
59 target_file = BaseDirectory.save_config_path("sat") + "/sat.conf"
1056
a5cfa9bb4541 tools (config): fixConfigOption creates the section if it doesn't exist
souliane <souliane@mailoo.org>
parents: 1046
diff changeset
60 if section and section.upper() != DEFAULTSECT and not config.has_section(section):
a5cfa9bb4541 tools (config): fixConfigOption creates the section if it doesn't exist
souliane <souliane@mailoo.org>
parents: 1046
diff changeset
61 config.add_section(section)
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
62 config.set(section, option, value)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
63 with open(target_file, "wb") as configfile:
1046
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
64 config.write(configfile) # for the next time that user launches sat
a874a79ad0f5 tools: add missing file src/tools/config.py
souliane <souliane@mailoo.org>
parents:
diff changeset
65 if not silent:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
66 if option in ("passphrase",): # list here the options storing a password
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
67 value = "******"
2671
0fa217fafabf tools (common/template), jp: refactoring to handle multiple sites:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
68 log.warning(_(u"Config auto-update: {option} set to {value} in the file "
0fa217fafabf tools (common/template), jp: refactoring to handle multiple sites:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
69 u"{config_file}.").format(option=option, value=value,
0fa217fafabf tools (common/template), jp: refactoring to handle multiple sites:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
70 config_file=target_file))
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
71
1064
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
72
1859
ac2ac7fe8a9b core (memory, config): moved parseMainConf to tools/config so it can be used by frontends too
Goffi <goffi@goffi.org>
parents: 1835
diff changeset
73 def parseMainConf():
ac2ac7fe8a9b core (memory, config): moved parseMainConf to tools/config so it can be used by frontends too
Goffi <goffi@goffi.org>
parents: 1835
diff changeset
74 """look for main .ini configuration file, and parse it"""
ac2ac7fe8a9b core (memory, config): moved parseMainConf to tools/config so it can be used by frontends too
Goffi <goffi@goffi.org>
parents: 1835
diff changeset
75 config = SafeConfigParser(defaults=C.DEFAULT_CONFIG)
ac2ac7fe8a9b core (memory, config): moved parseMainConf to tools/config so it can be used by frontends too
Goffi <goffi@goffi.org>
parents: 1835
diff changeset
76 try:
ac2ac7fe8a9b core (memory, config): moved parseMainConf to tools/config so it can be used by frontends too
Goffi <goffi@goffi.org>
parents: 1835
diff changeset
77 config.read(C.CONFIG_FILES)
2835
6aa22011bc6d tools (config): log error message if config can't be read
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
78 except Exception as e:
2836
ad00f61fd9f5 core (log): add traceback when "exc_info" is set
Goffi <goffi@goffi.org>
parents: 2835
diff changeset
79 log.error(_(u"Can't read main config: {msg}").format(msg=e), exc_info=True)
1859
ac2ac7fe8a9b core (memory, config): moved parseMainConf to tools/config so it can be used by frontends too
Goffi <goffi@goffi.org>
parents: 1835
diff changeset
80 return config
1064
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
81
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
82
1064
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
83 def getConfig(config, section, name, default=None):
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
84 """Get a configuration option
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
85
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
86 @param config (SafeConfigParser): the configuration instance
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
87 @param section (str): section of the config file (None or '' for DEFAULT)
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
88 @param name (str): name of the option
1235
80d2ed788b40 core (config): added the Exception default value which raise an exception instead of returning the default in getConfig
Goffi <goffi@goffi.org>
parents: 1234
diff changeset
89 @param default: value to use if not found, or Exception to raise an exception
1835
5b8a859d5bb4 core (config): getConfig now returns unicode and raise exceptions.ParsingError in case of parsing problem
Goffi <goffi@goffi.org>
parents: 1833
diff changeset
90 @return (unicode, list, dict): parsed value
1235
80d2ed788b40 core (config): added the Exception default value which raise an exception instead of returning the default in getConfig
Goffi <goffi@goffi.org>
parents: 1234
diff changeset
91 @raise: NoOptionError if option is not present and default is Exception
80d2ed788b40 core (config): added the Exception default value which raise an exception instead of returning the default in getConfig
Goffi <goffi@goffi.org>
parents: 1234
diff changeset
92 NoSectionError if section doesn't exists and default is Exception
1835
5b8a859d5bb4 core (config): getConfig now returns unicode and raise exceptions.ParsingError in case of parsing problem
Goffi <goffi@goffi.org>
parents: 1833
diff changeset
93 exceptions.ParsingError error while parsing value
1064
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
94 """
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
95 if not section:
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
96 section = DEFAULTSECT
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
97
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
98 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
99 value = config.get(section, name).decode("utf-8")
1235
80d2ed788b40 core (config): added the Exception default value which raise an exception instead of returning the default in getConfig
Goffi <goffi@goffi.org>
parents: 1234
diff changeset
100 except (NoOptionError, NoSectionError) as e:
80d2ed788b40 core (config): added the Exception default value which raise an exception instead of returning the default in getConfig
Goffi <goffi@goffi.org>
parents: 1234
diff changeset
101 if default is Exception:
80d2ed788b40 core (config): added the Exception default value which raise an exception instead of returning the default in getConfig
Goffi <goffi@goffi.org>
parents: 1234
diff changeset
102 raise e
1234
9c17bd37e6e5 core: better management of default value in getConfig
Goffi <goffi@goffi.org>
parents: 1064
diff changeset
103 return default
1064
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
104
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
105 if name.endswith("_path") or name.endswith("_dir"):
1064
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
106 value = os.path.expanduser(value)
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
107 # thx to Brian (http://stackoverflow.com/questions/186857/splitting-a-semicolon-separated-string-to-a-dictionary-in-python/186873#186873)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
108 elif name.endswith("_list"):
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
109 value = csv.reader(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
110 [value], delimiter=",", quotechar='"', skipinitialspace=True
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
111 ).next()
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
112 elif name.endswith("_dict"):
1835
5b8a859d5bb4 core (config): getConfig now returns unicode and raise exceptions.ParsingError in case of parsing problem
Goffi <goffi@goffi.org>
parents: 1833
diff changeset
113 try:
5b8a859d5bb4 core (config): getConfig now returns unicode and raise exceptions.ParsingError in case of parsing problem
Goffi <goffi@goffi.org>
parents: 1833
diff changeset
114 value = json.loads(value)
5b8a859d5bb4 core (config): getConfig now returns unicode and raise exceptions.ParsingError in case of parsing problem
Goffi <goffi@goffi.org>
parents: 1833
diff changeset
115 except ValueError as e:
5b8a859d5bb4 core (config): getConfig now returns unicode and raise exceptions.ParsingError in case of parsing problem
Goffi <goffi@goffi.org>
parents: 1833
diff changeset
116 raise exceptions.ParsingError(u"Error while parsing data: {}".format(e))
1833
a123e881f9e5 core (config): _dict values are now handled with json syntax
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
117 if not isinstance(value, dict):
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
118 raise exceptions.ParsingError(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
119 u"{name} value is not a dict: {value}".format(name=name, value=value)
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
120 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
121 elif name.endswith("_json"):
2451
d1153ce68ca0 tools (config): complexe data can now be set using json and the "_json" suffix
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
122 try:
d1153ce68ca0 tools (config): complexe data can now be set using json and the "_json" suffix
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
123 value = json.loads(value)
d1153ce68ca0 tools (config): complexe data can now be set using json and the "_json" suffix
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
124 except ValueError as e:
d1153ce68ca0 tools (config): complexe data can now be set using json and the "_json" suffix
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
125 raise exceptions.ParsingError(u"Error while parsing data: {}".format(e))
1064
7ee9d9db67b9 memory, tools (config): move special config retrieval from memory to tools
souliane <souliane@mailoo.org>
parents: 1056
diff changeset
126 return value