211 lines
8.0 KiB
Python
211 lines
8.0 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2016-2021 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# qutebrowser is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <https://www.gnu.org/licenses/>.
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# FIXME:qt6 (lint)
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# pylint: disable=no-name-in-module
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"""Bridge from QWebSettings to our own settings.
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Module attributes:
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ATTRIBUTES: A mapping from internal setting names to QWebSetting enum
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constants.
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"""
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from typing import cast
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import os.path
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from qutebrowser.qt.core import QUrl
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from qutebrowser.qt.gui import QFont
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from qutebrowser.qt.webkit import QWebSettings
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from qutebrowser.qt.webkitwidgets import QWebPage
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from qutebrowser.config import config, websettings
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from qutebrowser.config.websettings import AttributeInfo as Attr
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from qutebrowser.utils import standarddir, urlutils
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from qutebrowser.browser import shared
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# The global WebKitSettings object
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global_settings = cast('WebKitSettings', None)
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parsed_user_agent = None
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class WebKitSettings(websettings.AbstractSettings):
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"""A wrapper for the config for QWebSettings."""
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_ATTRIBUTES = {
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'content.images':
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Attr(QWebSettings.WebAttribute.AutoLoadImages),
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'content.javascript.enabled':
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Attr(QWebSettings.WebAttribute.JavascriptEnabled),
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'content.javascript.can_open_tabs_automatically':
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Attr(QWebSettings.WebAttribute.JavascriptCanOpenWindows),
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'content.javascript.can_close_tabs':
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Attr(QWebSettings.WebAttribute.JavascriptCanCloseWindows),
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'content.javascript.clipboard':
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Attr(QWebSettings.WebAttribute.JavascriptCanAccessClipboard,
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converter=lambda val: val != "none"),
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'content.plugins':
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Attr(QWebSettings.WebAttribute.PluginsEnabled),
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'content.webgl':
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Attr(QWebSettings.WebAttribute.WebGLEnabled),
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'content.hyperlink_auditing':
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Attr(QWebSettings.WebAttribute.HyperlinkAuditingEnabled),
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'content.local_content_can_access_remote_urls':
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Attr(QWebSettings.WebAttribute.LocalContentCanAccessRemoteUrls),
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'content.local_content_can_access_file_urls':
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Attr(QWebSettings.WebAttribute.LocalContentCanAccessFileUrls),
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'content.dns_prefetch':
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Attr(QWebSettings.WebAttribute.DnsPrefetchEnabled),
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'content.frame_flattening':
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Attr(QWebSettings.WebAttribute.FrameFlatteningEnabled),
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'content.cache.appcache':
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Attr(QWebSettings.WebAttribute.OfflineWebApplicationCacheEnabled),
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'content.local_storage':
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Attr(QWebSettings.WebAttribute.LocalStorageEnabled,
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QWebSettings.WebAttribute.OfflineStorageDatabaseEnabled),
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'content.print_element_backgrounds':
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Attr(QWebSettings.WebAttribute.PrintElementBackgrounds),
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'content.xss_auditing':
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Attr(QWebSettings.WebAttribute.XSSAuditingEnabled),
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'content.site_specific_quirks.enabled':
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Attr(QWebSettings.WebAttribute.SiteSpecificQuirksEnabled),
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'input.spatial_navigation':
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Attr(QWebSettings.WebAttribute.SpatialNavigationEnabled),
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'input.links_included_in_focus_chain':
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Attr(QWebSettings.WebAttribute.LinksIncludedInFocusChain),
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'zoom.text_only':
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Attr(QWebSettings.WebAttribute.ZoomTextOnly),
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'scrolling.smooth':
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Attr(QWebSettings.WebAttribute.ScrollAnimatorEnabled),
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}
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_FONT_SIZES = {
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'fonts.web.size.minimum':
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QWebSettings.FontSize.MinimumFontSize,
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'fonts.web.size.minimum_logical':
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QWebSettings.FontSize.MinimumLogicalFontSize,
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'fonts.web.size.default':
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QWebSettings.FontSize.DefaultFontSize,
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'fonts.web.size.default_fixed':
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QWebSettings.FontSize.DefaultFixedFontSize,
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}
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_FONT_FAMILIES = {
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'fonts.web.family.standard': QWebSettings.FontFamily.StandardFont,
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'fonts.web.family.fixed': QWebSettings.FontFamily.FixedFont,
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'fonts.web.family.serif': QWebSettings.FontFamily.SerifFont,
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'fonts.web.family.sans_serif': QWebSettings.FontFamily.SansSerifFont,
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'fonts.web.family.cursive': QWebSettings.FontFamily.CursiveFont,
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'fonts.web.family.fantasy': QWebSettings.FontFamily.FantasyFont,
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}
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# Mapping from QWebSettings::QWebSettings() in
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# qtwebkit/Source/WebKit/qt/Api/qwebsettings.cpp
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_FONT_TO_QFONT = {
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QWebSettings.FontFamily.StandardFont: QFont.StyleHint.Serif,
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QWebSettings.FontFamily.FixedFont: QFont.StyleHint.Monospace,
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QWebSettings.FontFamily.SerifFont: QFont.StyleHint.Serif,
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QWebSettings.FontFamily.SansSerifFont: QFont.StyleHint.SansSerif,
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QWebSettings.FontFamily.CursiveFont: QFont.StyleHint.Cursive,
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QWebSettings.FontFamily.FantasyFont: QFont.StyleHint.Fantasy,
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}
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def _set_user_stylesheet(settings):
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"""Set the generated user-stylesheet."""
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stylesheet = shared.get_user_stylesheet().encode('utf-8')
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url = urlutils.data_url('text/css;charset=utf-8', stylesheet)
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settings.setUserStyleSheetUrl(url)
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def _set_cookie_accept_policy(settings):
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"""Update the content.cookies.accept setting."""
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mapping = {
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'all': QWebSettings.ThirdPartyCookiePolicy.AlwaysAllowThirdPartyCookies,
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'no-3rdparty': QWebSettings.ThirdPartyCookiePolicy.AlwaysBlockThirdPartyCookies,
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'never': QWebSettings.ThirdPartyCookiePolicy.AlwaysBlockThirdPartyCookies,
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'no-unknown-3rdparty': QWebSettings.ThirdPartyCookiePolicy.AllowThirdPartyWithExistingCookies,
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}
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value = config.val.content.cookies.accept
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settings.setThirdPartyCookiePolicy(mapping[value])
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def _set_cache_maximum_pages(settings):
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"""Update the content.cache.maximum_pages setting."""
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value = config.val.content.cache.maximum_pages
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settings.setMaximumPagesInCache(value)
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def _update_settings(option):
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"""Update global settings when qwebsettings changed."""
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global_settings.update_setting(option)
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settings = QWebSettings.globalSettings()
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if option in ['scrollbar.hide', 'content.user_stylesheets']:
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_set_user_stylesheet(settings)
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elif option == 'content.cookies.accept':
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_set_cookie_accept_policy(settings)
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elif option == 'content.cache.maximum_pages':
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_set_cache_maximum_pages(settings)
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def _init_user_agent():
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global parsed_user_agent
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ua = QWebPage().userAgentForUrl(QUrl())
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parsed_user_agent = websettings.UserAgent.parse(ua)
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def init():
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"""Initialize the global QWebSettings."""
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cache_path = standarddir.cache()
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data_path = standarddir.data()
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QWebSettings.setIconDatabasePath(standarddir.cache())
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QWebSettings.setOfflineWebApplicationCachePath(
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os.path.join(cache_path, 'application-cache'))
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QWebSettings.globalSettings().setLocalStoragePath(
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os.path.join(data_path, 'local-storage'))
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QWebSettings.setOfflineStoragePath(
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os.path.join(data_path, 'offline-storage'))
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settings = QWebSettings.globalSettings()
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_set_user_stylesheet(settings)
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_set_cookie_accept_policy(settings)
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_set_cache_maximum_pages(settings)
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_init_user_agent()
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config.instance.changed.connect(_update_settings)
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global global_settings
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global_settings = WebKitSettings(QWebSettings.globalSettings())
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global_settings.init_settings()
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def shutdown():
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"""Disable storage so removing tmpdir will work."""
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QWebSettings.setIconDatabasePath('')
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QWebSettings.setOfflineWebApplicationCachePath('')
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QWebSettings.globalSettings().setLocalStoragePath('')
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