Coverage for qutebrowser/browser/webkit/cache.py : 100%

# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et: 

# Copyright 2014-2018 Florian Bruhin (The Compiler) <mail@qutebrowser.org> 

# 

# This file is part of qutebrowser. 

# 

# qutebrowser is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# qutebrowser is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>. 

"""HTTP network cache.""" 

import os.path 

from PyQt5.QtNetwork import QNetworkDiskCache 

from qutebrowser.config import config 

from qutebrowser.utils import utils, qtutils 

class DiskCache(QNetworkDiskCache): 

"""Disk cache which sets correct cache dir and size.""" 

def __init__(self, cache_dir, parent=None): 

super().__init__(parent) 

self.setCacheDirectory(os.path.join(cache_dir, 'http')) 

self._set_cache_size() 

config.instance.changed.connect(self._set_cache_size) 

def __repr__(self): 

return utils.get_repr(self, size=self.cacheSize(), 

maxsize=self.maximumCacheSize(), 

path=self.cacheDirectory()) 

@config.change_filter('content.cache.size') 

def _set_cache_size(self): 

"""Set the cache size based on the config.""" 

size = config.val.content.cache.size 

if size is None: 

size = 1024 * 1024 * 50 # default from QNetworkDiskCachePrivate 

# WORKAROUND for https://bugreports.qt.io/browse/QTBUG-59909 

if not qtutils.version_check('5.9', compiled=False): 

size = 0 # pragma: no cover 

self.setMaximumCacheSize(size)