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annotate sat/tools/config.py @ 3330:7b47f48d31f3

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plugin XEP-0264: fix orientation of thumbnails: Rotation of thumbnailis is now modified according to EXIF orientation data. Original image is not modified as user may want to keep it, and orientation transformation can modify encoding parameters. Update `pillow` minimum version to the first one with `exif_transpose` implementation.
author Goffi <goffi@goffi.org>
date Thu, 13 Aug 2020 23:46:18 +0200
parents a3639d6d9643
children be6d91572633
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2020 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 import os
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24 import csv
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25 import json
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26 from configparser import ConfigParser, DEFAULTSECT, NoOptionError, NoSectionError
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27 from xdg import BaseDirectory
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28 from sat.core.log import getLogger
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29 from sat.core.constants import Const as C
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30 from sat.core.i18n import _
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31 from sat.core import exceptions
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32
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33 log = getLogger(__name__)
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34
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35
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36 def fixConfigOption(section, option, value, silent=True):
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37 """Force a configuration option value
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38
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39 the option will be written in the first found user config file, a new user
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40 config will be created if none is found.
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41
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42 @param section (str): the config section
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43 @param option (str): the config option
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44 @param value (str): the new value
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45 @param silent (boolean): toggle logging output (must be True when called from sat.sh)
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46 """
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47 config = ConfigParser()
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48 target_file = None
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49 for file_ in C.CONFIG_FILES[::-1]:
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50 # we will eventually update the existing file with the highest priority,
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51 # if it's a user personal file...
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52 if not silent:
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53 log.debug(_("Testing file %s") % file_)
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54 if os.path.isfile(file_):
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55 if file_.startswith(os.path.expanduser("~")):
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56 config.read([file_])
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57 target_file = file_
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58 break
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59 if not target_file:
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60 # ... otherwise we create a new config file for that user
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61 target_file = BaseDirectory.save_config_path("sat") + "/sat.conf"
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62 if section and section.upper() != DEFAULTSECT and not config.has_section(section):
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63 config.add_section(section)
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64 config.set(section, option, value)
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65 with open(target_file, "wb") as configfile:
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66 config.write(configfile) # for the next time that user launches sat
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67 if not silent:
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68 if option in ("passphrase",): # list here the options storing a password
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69 value = "******"
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70 log.warning(_("Config auto-update: {option} set to {value} in the file "
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71 "{config_file}.").format(option=option, value=value,
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72 config_file=target_file))
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73
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74
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75 def parseMainConf(log_filenames=False):
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76 """Look for main .ini configuration file, and parse it
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77
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78 @param log_filenames(bool): if True, log filenames of read config files
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79 """
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80 config = ConfigParser(defaults=C.DEFAULT_CONFIG)
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81 try:
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82 filenames = config.read(C.CONFIG_FILES)
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83 except Exception as e:
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84 log.error(_("Can't read main config: {msg}").format(msg=e), exc_info=True)
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85 else:
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86 if log_filenames:
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87 log.info(
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88 _("Configuration was read from: {filenames}").format(
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89 filenames=', '.join(filenames)))
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90
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91 return config
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92
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93
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94 def getConfig(config, section, name, default=None):
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95 """Get a configuration option
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96
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97 @param config (ConfigParser): the configuration instance
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98 @param section (str): section of the config file (None or '' for DEFAULT)
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99 @param name (str): name of the option
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100 @param default: value to use if not found, or Exception to raise an exception
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101 @return (unicode, list, dict): parsed value
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102 @raise: NoOptionError if option is not present and default is Exception
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103 NoSectionError if section doesn't exists and default is Exception
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104 exceptions.ParsingError error while parsing value
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105 """
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106 if not section:
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107 section = DEFAULTSECT
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108
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109 try:
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110 value = config.get(section, name)
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111 except (NoOptionError, NoSectionError) as e:
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112 if default is Exception:
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113 raise e
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114 return default
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115
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116 if name.endswith("_path") or name.endswith("_dir"):
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117 value = os.path.expanduser(value)
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118 # thx to Brian (http://stackoverflow.com/questions/186857/splitting-a-semicolon-separated-string-to-a-dictionary-in-python/186873#186873)
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119 elif name.endswith("_list"):
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120 value = next(csv.reader(
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121 [value], delimiter=",", quotechar='"', skipinitialspace=True
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122 ))
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123 elif name.endswith("_dict"):
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124 try:
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125 value = json.loads(value)
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126 except ValueError as e:
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127 raise exceptions.ParsingError("Error while parsing data: {}".format(e))
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128 if not isinstance(value, dict):
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
129 raise exceptions.ParsingError(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2965
diff changeset
130 "{name} value is not a dict: {value}".format(name=name, value=value)
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56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
131 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
132 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
133 try:
d1153ce68ca0 tools (config): complexe data can now be set using json and the "_json" suffix
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
134 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
135 except ValueError as e:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2965
diff changeset
136 raise exceptions.ParsingError("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
137 return value