Files
aqtinstall/aqt/settings.py
Hiroshi Miura 3e65a0c695 Introduce Settings class
Signed-off-by: Hiroshi Miura <miurahr@linux.com>
2019-11-24 12:31:58 +09:00

98 lines
3.3 KiB
Python

#!/usr/bin/env python3
#
# Copyright (C) 2018 Linus Jahn <lnj@kaidan.im>
# Copyright (C) 2019 Hiroshi Miura <miurahr@linux.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import ast
import configparser
import json
import os
import threading
class Settings(object):
"""Class to hold configuration and settings.
Actual values are stored in 'settings.ini' file.
It also holds a combinations database.
"""
# this class is Borg/Singleton
_shared_state = {
'_config': None,
'_combinations': None,
'_lock': threading.Lock()
}
def __init__(self, config=None):
self.__dict__ = self._shared_state
if self._config is None:
with self._lock:
if self._config is None:
if config is None:
self.inifile = os.path.join(os.path.dirname(__file__), 'settings.ini')
else:
self.inifile = config
self._config = self.configParse(self.inifile)
with open(os.path.join(os.path.dirname(__file__), 'combinations.json'), 'r') as j:
self._combinations = json.load(j)[0]
def configParse(self, file_path):
if not os.path.exists(file_path):
raise IOError(file_path)
config = configparser.ConfigParser()
config.read(file_path)
return config
@property
def qt_combinations(self):
return self._combinations['qt']
@property
def tools_combinations(self):
return self._combinations['tools']
def available_modules(self, qt_version):
"""Known module names
:returns: dictionary of qt_version and module names
:rtype: List[str]
"""
modules = self._combinations['modules']
major, minor, _ = qt_version.split('.')
version = "{}.{}".format(major, minor)
return modules.get(version, None)
@property
def concurrency(self):
"""concurrency configuraiton.
:return: concurrency
:rtype: int
"""
return self._config.getint("aqt", "concurrency")
@property
def blacklist(self):
"""list of sites in a blacklist
:returns: list of site URLs(scheme and host part)
:rtype: List[str]
"""
return ast.literal_eval(self._config.get("mirrors", "blacklist"))