e79724f9db
Fixed dependencies, places where obsolete functions stopped working, code fragments that started throwing warnings and an .ui file that stopped being readable after the update.
88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
#!/usr/bin/python3
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2016 Jean-Philippe Ouellet <jpo@vt.edu>
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# Copyright (C) 2012 Agnieszka Kostrzewa <agnieszka.kostrzewa@gmail.com>
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# Copyright (C) 2012 Marek Marczykowski <marmarek@mimuw.edu.pl>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program 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 Lesser General Public License along
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# with this program; if not, see <http://www.gnu.org/licenses/>.
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#
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#
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import os
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import fcntl
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from math import log
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# pylint: disable=import-error
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from PyQt5.QtWidgets import QApplication, QMessageBox
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APPVIEWER_LOCK = "/var/run/qubes/appviewer.lock"
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CLIPBOARD_CONTENTS = "/var/run/qubes/qubes-clipboard.bin"
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CLIPBOARD_SOURCE = CLIPBOARD_CONTENTS + ".source"
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def do_dom0_copy():
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copy_text_to_qubes_clipboard(QApplication.clipboard().text())
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def copy_text_to_qubes_clipboard(text):
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# inter-appviewer lock
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try:
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file = os.open(APPVIEWER_LOCK, os.O_RDWR | os.O_CREAT, 0o0666)
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except Exception: # pylint: disable=broad-except
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QMessageBox.warning(None, "Warning!",
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"Error while accessing Qubes clipboard!")
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else:
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try:
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fcntl.flock(file, fcntl.LOCK_EX)
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except Exception: # pylint: disable=broad-except
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QMessageBox.warning(None, "Warning!",
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"Error while locking Qubes clipboard!")
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else:
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try:
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with open(CLIPBOARD_CONTENTS, "w") as contents:
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contents.write(text)
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with open(CLIPBOARD_SOURCE, "w") as source:
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source.write("dom0")
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except Exception: # pylint: disable=broad-except
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QMessageBox.warning(None, "Warning!",
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"Error while writing to Qubes clipboard!")
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fcntl.flock(file, fcntl.LOCK_UN)
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os.close(file)
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# pylint: disable=invalid-name
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def get_qubes_clipboard_formatted_size():
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units = ['B', 'KiB', 'MiB', 'GiB']
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try:
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file_size = os.path.getsize(CLIPBOARD_CONTENTS)
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except Exception: # pylint: disable=broad-except
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QMessageBox.warning(None, "Warning!",
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"Error while accessing Qubes clipboard!")
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else:
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formatted_bytes = '1 byte' if file_size == 1 \
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else str(file_size) + ' bytes'
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if file_size > 0:
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magnitude = min(int(log(file_size)/log(2)*0.1), len(units)-1)
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if magnitude > 0:
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return '%s (%.1f %s)' % (formatted_bytes,
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file_size/(2.0**(10*magnitude)),
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units[magnitude])
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return '%s' % formatted_bytes
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return '? bytes'
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