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Bump idna from 2.9 to 2.10 in /misc/requirements #12

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@dependabot dependabot bot commented on behalf of github Jun 30, 2020

Bumps idna from 2.9 to 2.10.

Changelog

Sourced from idna's changelog.

2.10 (2020-06-27) +++++++++++++++++

  • Update to Unicode 13.0.0.
  • Throws a more specific exception if "xn--" is provided as a label.
  • This is expected to be the last version that supports Python 2.
Commits
  • e5c11db Release v2.10
  • d447471 Merge pull request #85 from kjd/unicode-13
  • cdd1a2c Update to Unicode 13.0.0-based data
  • efc1607 Issue IDNAError for the U-label "xn--" (fixes #82)
  • 133fc01 Remove use of deprecated 'setup.py test' command (#77)
  • 69ac335 Remove deprecated license_file from setup.cfg (#79)
  • See full diff in compare view

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@dependabot dependabot bot added the dependencies Pull requests that update a dependency file label Jun 30, 2020
@The-Compiler The-Compiler force-pushed the master branch 2 times, most recently from 6bb36b4 to c74ebe6 Compare June 30, 2020 10:01
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dependabot bot commented on behalf of github Jun 30, 2020

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.

@dependabot dependabot bot deleted the dependabot/pip/misc/requirements/idna-2.10 branch June 30, 2020 10:39
The-Compiler added a commit that referenced this pull request Mar 30, 2021
This reverts commit c6cf3067e158265096410afee98407826b19c472.

Seems to cause segfaults:

  #0  0x00007ffff5cecbcc in void doActivate<false>(QObject*, int, void**) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Core.so.5
  #1  0x00007ffff5be4e31 in QIODevice::channelReadyRead(int) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Core.so.5
  #2  0x00007fffeffccb54 in QAbstractSocketPrivate::canReadNotification() () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Network.so.5
  #3  0x00007fffeffdf061 in QReadNotifier::event(QEvent*) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Network.so.5
  #4  0x00007ffff269e43c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Widgets.so.5
  #5  0x00007ffff26a4f20 in QApplication::notify(QObject*, QEvent*) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Widgets.so.5
  #6  0x00007ffff318d0d6 in sipQApplication::notify(QObject*, QEvent*) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/QtWidgets.abi3.so
  #7  0x00007ffff5cb4808 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Core.so.5
  #8  0x00007ffff5d10d98 in socketNotifierSourceDispatch(_GSource*, int (*)(void*), void*) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Core.so.5
  #9  0x00007ffff691df9c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
  #10 0x00007ffff6971a49 in ?? () from /usr/lib/libglib-2.0.so.0
  #11 0x00007ffff691b6f1 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
  #12 0x00007ffff5d101cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Core.so.5
  #13 0x00007ffff5cb321a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Core.so.5
  #14 0x00007ffff5cbc1d3 in QCoreApplication::exec() () from /home/florian/proj/qutebrowser/git/.tox/py39-pyqt515/lib/python3.9/site-packages/PyQt5/Qt5/lib/libQt5Core.so.5
The-Compiler added a commit that referenced this pull request Jun 11, 2024
Almost 7 years ago, it was observed that hiding the status bar causes some
websites being scrolled to the top: #2236.

Back then, it never really was clear why this happens. However, with the v3.0.0
release, we had a regression causing the same thing to happen when leaving
prompt mode: #7885.

Thanks to "git bisect", the culprit was found to be 8e152aa, "Don't give
keyboard focus to tab bar", which was a fix for #7820. However, it still wasn't
clear why this phenomenon happens.

What made things clearer to me was a combination of debugging and an old comment
by pevu: qutebrowser/qutebrowser#2236 (comment)

> Chromium-browser has the same issue. When you open lipsum.com, scroll down,
> then focus the location bar (url box), then press Tab, it will jump to the
> top of the page and focus the first link. This doesn't happen when you
> switch focus using the mouse.
>
> It seems to be an issue of how the view containing the website is focused
> when all qutebrowser ui elements disappear.

And indeed, tabbing into the web contents from the UI elements via the tab key
in Chromium causes the website to start at the top, presumably as an
accessibility feature?

Essentially, this is also what happens in qutebrowser when an UI element is
hidden while it still has focus: In QWidget::hide() (or, rather,
QWidgetPrivate::hide_helper()), Qt moves the focus to the next widget by
calling focusPrevNextChild(true):
https://github.com/qt/qtbase/blob/v6.6.1/src/widgets/kernel/qwidget.cpp#L8259-L8271

And apparently, focusPrevNextChild() basically does the same thing as pressing
the tab key, to the point that there is some code in Qt Declarative actually
making tab keypresses out of it (which I'm still not sure is related, or maybe
just the cause of #4579):
https://github.com/qt/qtdeclarative/blob/v6.6.1/src/quickwidgets/qquickwidget.cpp#L1415-L1429

Some debugging confirms that this is exactly what happening:

1) We hide the status bar (or prompt) which has keyboard focus
2) Qt focuses the web view, which triggers the Chromium feature (?) scrolling it
   to the very top.
3) Only then, in TabbedBrowser.on_mod_left(), we noticed that the command or
   prompt mode was left, and reassign focus to the web view properly.

In step 2), before this change, Qt happened to focus the tab bar (before we set
the focus manually to the web contents), and thus this didn't happen.
Not sure why it didn't focus the tab bar when we hid the status bar (maybe
because how our widget hierarchy works with TabbedBrowser?).

Python stacktrace of hiding prompt:

    Traceback (most recent call first):
    <built-in method hide of DownloadFilenamePrompt object at remote 0x7fffb8bc65f0>
    File ".../qutebrowser/mainwindow/prompt.py", line 204, in _on_mode_left
        self.show_prompts.emit(None)
    File ".../qutebrowser/keyinput/modeman.py", line 434, in leave
        self.left.emit(mode, self.mode, self._win_id)
    File ".../qutebrowser/keyinput/modeman.py", line 445, in mode_leave
        self.leave(self.mode, 'leave current')

C++ stacktrace, with the focus change presumably being passed of to Chromium
here: https://github.com/qt/qtwebengine/blob/dev/src/core/render_widget_host_view_qt_delegate_client.cpp#L714

    #0  QtWebEngineCore::RenderWidgetHostViewQtDelegateClient::handleFocusEvent(QFocusEvent*) () at /usr/src/debug/qt6-webengine/qtwebengine-everywhere-src-6.6.0/src/core/render_widget_host_view_qt_delegate_client.cpp:708
    #1  QtWebEngineCore::RenderWidgetHostViewQtDelegateClient::handleFocusEvent(QFocusEvent*) () at /usr/src/debug/qt6-webengine/qtwebengine-everywhere-src-6.6.0/src/core/render_widget_host_view_qt_delegate_client.cpp:705
    #2  0x00007fffe5fea70c in QtWebEngineCore::RenderWidgetHostViewQtDelegateClient::forwardEvent(QEvent*) () at /usr/src/debug/qt6-webengine/qtwebengine-everywhere-src-6.6.0/src/core/render_widget_host_view_qt_delegate_client.cpp:300
    #3  0x00007fffe4dd5c79 in QQuickItem::event(QEvent*) (this=0x555556b6cd20, ev=0x7fffffffa320) at /usr/src/debug/qt6-declarative/qtdeclarative-everywhere-src-6.6.0/src/quick/items/qquickitem.cpp:8871
    #4  0x00007ffff1f7318b in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x555556b6cd20, e=0x7fffffffa320)
        at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/widgets/kernel/qapplication.cpp:3290
    #5  0x00007ffff295e4a7 in  () at /usr/lib/python3.11/site-packages/PyQt6/QtWidgets.abi3.so
    #6  0x00007ffff59626d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x555556b6cd20, event=0x7fffffffa320) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/corelib/kernel/qcoreapplication.cpp:1118
    #7  0x00007ffff596271d in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=<optimized out>, event=<optimized out>) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/corelib/kernel/qcoreapplication.cpp:1536
    #8  0x00007fffe4f33f15 in QQuickDeliveryAgentPrivate::setFocusInScope(QQuickItem*, QQuickItem*, Qt::FocusReason, QFlags<QQuickDeliveryAgentPrivate::FocusOption>)
        (this=<optimized out>, scope=<optimized out>, item=<optimized out>, reason=<optimized out>, options=...) at /usr/src/debug/qt6-declarative/qtdeclarative-everywhere-src-6.6.0/src/quick/util/qquickdeliveryagent.cpp:439
    #9  0x00007fffe4dd348a in QQuickItem::setFocus(bool, Qt::FocusReason) (this=0x555556b724d0, focus=<optimized out>, reason=Qt::TabFocusReason) at /usr/include/qt6/QtCore/qflags.h:73
    #10 0x00007fffe4e7239b in QQuickWindow::focusInEvent(QFocusEvent*) (this=<optimized out>, ev=<optimized out>) at /usr/src/debug/qt6-declarative/qtdeclarative-everywhere-src-6.6.0/src/quick/items/qquickwindow.cpp:231
    #11 0x00007ffff1fc3a05 in QWidget::event(QEvent*) (this=0x555556457b50, event=0x7fffffffa770) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/widgets/kernel/qwidget.cpp:9111
    #12 0x00007ffff1f7318b in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x555556457b50, e=0x7fffffffa770)
        at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/widgets/kernel/qapplication.cpp:3290
    #13 0x00007ffff295e4a7 in  () at /usr/lib/python3.11/site-packages/PyQt6/QtWidgets.abi3.so
    #14 0x00007ffff59626d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x555556457b50, event=0x7fffffffa770) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/corelib/kernel/qcoreapplication.cpp:1118
    #15 0x00007ffff596271d in QCoreApplication::sendEvent(QObject*, QEvent*) (receiver=<optimized out>, event=<optimized out>) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/corelib/kernel/qcoreapplication.cpp:1536
    #16 0x00007ffff1f7f1b2 in QApplicationPrivate::setFocusWidget(QWidget*, Qt::FocusReason) (focus=0x555556457b50, reason=<optimized out>) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/widgets/kernel/qapplication.cpp:1538
    #17 0x00007ffff1fca29d in QWidget::setFocus(Qt::FocusReason) (this=0x555556b1ceb0, reason=<optimized out>) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/widgets/kernel/qwidget.cpp:6580
    #18 0x00007ffff1fb4f1b in QWidget::focusNextPrevChild(bool) (this=<optimized out>, next=<optimized out>) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/widgets/kernel/qwidget.cpp:6844
    #19 0x00007ffff298d0ac in  () at /usr/lib/python3.11/site-packages/PyQt6/QtWidgets.abi3.so
    #20 0x00007ffff298d0ac in  () at /usr/lib/python3.11/site-packages/PyQt6/QtWidgets.abi3.so
    #21 0x00007ffff298d0ac in  () at /usr/lib/python3.11/site-packages/PyQt6/QtWidgets.abi3.so
    #22 0x00007ffff1fbdb76 in QWidgetPrivate::hide_helper() (this=this@entry=0x55555646a360) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/widgets/kernel/qwidget.cpp:8271
    #23 0x00007ffff1fbf158 in QWidgetPrivate::setVisible(bool) (this=0x55555646a360, visible=<optimized out>) at /usr/src/debug/qt6-base/qtbase-everywhere-src-6.6.0/src/widgets/kernel/qwidget.cpp:8447
    [...]

We fix this problem by explicitly handling focus before hiding the UI elements.
This is done with a new TabbedBrowser.on_release_focus() slot, which is bound to
signals emitted just before things are hidden: The existing Command.hide_cmd()
for the status bar, and a new release_focus() signal for prompts.

Additionally, we make sure to not double-handle hiding in the statusbar
code when it's already handled separately for comamnd mode.

Unfortunately, no tests for this, as application window focus is required to
reproduce the issue. In theory, a test in scroll.feature could be added though,
which loads simple.html, scrolls down, shows/hides a prompt or the status bar,
and then checks the vertical scroll position is != 0.

Fixes #2236
Fixes #7885
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