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annotate sat/tools/config.py @ 2617:81b70eeb710f

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quick_frontend(contact list): refactored update: update is now called with appropriate constant value (C.UPDATE_ADD, C.UPDATE_DELETE, C.UPDATE_MODIFY and so on) when a widget change visibility according to current options. Before it was linked to cache only (C.UPDATE_ADD was only called when contact was first added to cache). This make widget handling in frontends more easy. Renamed entityToShow to entityVisible, which seems to correspond better. Started reducing lines lenght to 90 chars as a test. May become the new coding style soon.
author Goffi <goffi@goffi.org>
date Sun, 24 Jun 2018 21:59:29 +0200
parents 26edcf3a30eb
children 56f94936df1e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1934
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
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6 # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
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7
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8 # This program is free software: you can redistribute it and/or modify
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9 # it under the terms of the GNU Affero General Public License as published by
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10 # the Free Software Foundation, either version 3 of the License, or
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11 # (at your option) any later version.
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12
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU Affero General Public License for more details.
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17
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18 # You should have received a copy of the GNU Affero General Public License
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20
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21 """ Configuration related useful methods """
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22
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23 from sat.core.log import getLogger
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24 log = getLogger(__name__)
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25
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26 from sat.core.constants import Const as C
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27 from sat.core.i18n import _
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28 from sat.core import exceptions
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29
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30 from ConfigParser import SafeConfigParser, DEFAULTSECT, NoOptionError, NoSectionError
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31 from xdg import BaseDirectory
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32 import os
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33 import csv
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34 import json
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36
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37 def fixConfigOption(section, option, value, silent=True):
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38 """Force a configuration option value, writing it in the first found user
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39 config file, eventually creating a new user config file if none is found.
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40
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41 @param section (str): the config section
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42 @param option (str): the config option
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43 @param value (str): the new value
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44 @param silent (boolean): toggle logging output (must be True when called from sat.sh)
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45 """
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46 config = SafeConfigParser()
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47 target_file = None
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48 for file_ in C.CONFIG_FILES[::-1]:
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49 # we will eventually update the existing file with the highest priority, if it's a user personal file...
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50 if not silent:
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51 log.debug(_(u"Testing file %s") % file_)
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52 if os.path.isfile(file_):
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53 if file_.startswith(os.path.expanduser('~')):
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54 config.read([file_])
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55 target_file = file_
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56 break
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57 if not target_file:
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58 # ... otherwise we create a new config file for that user
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59 target_file = BaseDirectory.save_config_path('sat') + '/sat.conf'
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60 if section and section.upper() != DEFAULTSECT and not config.has_section(section):
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61 config.add_section(section)
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62 config.set(section, option, value)
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63 with open(target_file, 'wb') as configfile:
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64 config.write(configfile) # for the next time that user launches sat
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65 if not silent:
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66 if option in ('passphrase',): # list here the options storing a password
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67 value = '******'
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68 log.warning(_(u"Config auto-update: %(option)s set to %(value)s in the file %(config_file)s") %
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69 {'option': option, 'value': value, 'config_file': target_file})
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70
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71 def parseMainConf():
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72 """look for main .ini configuration file, and parse it"""
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73 config = SafeConfigParser(defaults=C.DEFAULT_CONFIG)
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74 try:
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75 config.read(C.CONFIG_FILES)
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76 except:
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77 log.error(_("Can't read main config !"))
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78 return config
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79
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80 def getConfig(config, section, name, default=None):
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81 """Get a configuration option
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82
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83 @param config (SafeConfigParser): the configuration instance
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84 @param section (str): section of the config file (None or '' for DEFAULT)
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85 @param name (str): name of the option
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86 @param default: value to use if not found, or Exception to raise an exception
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87 @return (unicode, list, dict): parsed value
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88 @raise: NoOptionError if option is not present and default is Exception
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89 NoSectionError if section doesn't exists and default is Exception
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90 exceptions.ParsingError error while parsing value
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91 """
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92 if not section:
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93 section = DEFAULTSECT
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94
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95 try:
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96 value = config.get(section, name).decode('utf-8')
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97 except (NoOptionError, NoSectionError) as e:
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98 if default is Exception:
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99 raise e
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100 return default
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101
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102 if name.endswith('_path') or name.endswith('_dir'):
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103 value = os.path.expanduser(value)
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104 # thx to Brian (http://stackoverflow.com/questions/186857/splitting-a-semicolon-separated-string-to-a-dictionary-in-python/186873#186873)
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105 elif name.endswith('_list'):
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106 value = csv.reader([value], delimiter=',', quotechar='"', skipinitialspace=True).next()
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107 elif name.endswith('_dict'):
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108 try:
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109 value = json.loads(value)
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110 except ValueError as e:
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111 raise exceptions.ParsingError(u"Error while parsing data: {}".format(e))
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112 if not isinstance(value, dict):
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113 raise exceptions.ParsingError(u"{name} value is not a dict: {value}".format(name=name, value=value))
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114 elif name.endswith('_json'):
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115 try:
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116 value = json.loads(value)
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117 except ValueError as e:
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118 raise exceptions.ParsingError(u"Error while parsing data: {}".format(e))
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119 return value