本文整理汇总了Python中ubuntutweak.utils.package.AptWorker.downgrade_packages方法的典型用法代码示例。如果您正苦于以下问题：Python AptWorker.downgrade_packages方法的具体用法？Python AptWorker.downgrade_packages怎么用？Python AptWorker.downgrade_packages使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ubuntutweak.utils.package.AptWorker的用法示例。
在下文中一共展示了AptWorker.downgrade_packages方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: on_purge_ppa_button_clicked
# 需要导入模块: from ubuntutweak.utils.package import AptWorker [as 别名]
# 或者: from ubuntutweak.utils.package.AptWorker import downgrade_packages [as 别名]
def on_purge_ppa_button_clicked(self, widget):
# name_list is to display the name of PPA
# url_list is to identify the ppa
set_busy(self)
name_list = []
url_list = []
log.debug("self.sourceview.to_purge: %s" % self.sourceview.to_purge)
for url in self.sourceview.to_purge:
name_list.append(ppa.get_short_name(url))
url_list.append(url)
log.debug("PPAs to purge: url_list: %s" % url_list)
package_view = DowngradeView(self)
package_view.update_downgrade_model(url_list)
sw = Gtk.ScrolledWindow(shadow_type=Gtk.ShadowType.IN)
sw.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
select_pkgs = package_view.get_downgrade_packages()
sw.add(package_view)
#TODO the logic is a little ugly, need to improve the BaseMessageDialog
if not select_pkgs:
message = _("It's safe to purge the PPA, no packages need to be downgraded.")
sw.hide()
else:
message = _("To safely purge the PPA, the following packages must be downgraded.")
sw.show_all()
sw.set_size_request(500, 100)
dialog = QuestionDialog(title=_("You're going to purge \"%s\":") % ', '.join(name_list),
message=message)
dialog.set_resizable(True)
dialog.get_content_area().pack_start(sw, True, True, 0)
dialog.show_all()
response = dialog.run()
dialog.destroy()
# Workflow
# 1. Downgrade all the PPA packages to offical packages
#TODO Maybe not official? Because anther ppa which is enabled may have newer packages then offical
# 2. If succeed, disable PPA, or keep it
if response == Gtk.ResponseType.YES:
log.debug("The select pkgs is: %s", str(select_pkgs))
worker = AptWorker(widget.get_toplevel(),
finish_handler=self.on_package_work_finished,
data={'parent': self,
'url_list': url_list})
worker.downgrade_packages(select_pkgs)
else:
unset_busy(self)