67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
# Copyright 2014 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 <http://www.gnu.org/licenses/>.
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"""Other utilities which don't fit anywhere else."""
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import sys
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import os.path
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from PyQt5.QtCore import pyqtRemoveInputHook
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try:
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# pylint: disable=import-error
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from ipdb import set_trace as pdb_set_trace
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except ImportError:
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from pdb import set_trace as pdb_set_trace
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import qutebrowser
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def set_trace():
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"""
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Set a tracepoint in the Python debugger that works with Qt.
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Based on http://stackoverflow.com/a/1745965/2085149
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"""
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print()
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print("When done debugging, remember to execute:")
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print(" from PyQt5 import QtCore; QtCore.pyqtRestoreInputHook()")
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print("before executing c(ontinue).")
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pyqtRemoveInputHook()
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return pdb_set_trace()
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def read_file(filename):
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"""Return the contents of a file contained with qutebrowser."""
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fn = os.path.join(qutebrowser.basedir, filename)
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with open(fn, 'r', encoding='UTF-8') as f:
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return f.read()
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def trace_lines(do_trace):
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"""Turn on/off printing each executed line."""
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def trace(frame, event, _):
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"""Trace function passed to sys.settrace."""
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print("{}, {}:{}".format(event, frame.f_code.co_filename,
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frame.f_lineno))
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return trace
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if do_trace:
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sys.settrace(trace)
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else:
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sys.settrace(None)
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