Add segfault_test script

scripts/segfault_test.py

@@ -0,0 +1,100 @@
+#!/usr/bin/python3
+# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
+
+# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Tester for Qt segfaults with different harfbuzz engines."""
+
+import os
+import signal
+import sys
+import subprocess
+
+import colorama as col
+
+
+SCRIPT = """
+import sys
+
+from PyQt5.QtCore import QUrl
+from PyQt5.QtWidgets import QApplication
+from PyQt5.QtWebKitWidgets import QWebView
+
+def on_load_finished(ok):
+    if ok:
+        app.exit(0)
+    else:
+        app.exit(1)
+
+app = QApplication([])
+wv = QWebView()
+wv.loadFinished.connect(on_load_finished)
+wv.load(QUrl(sys.argv[1]))
+#wv.show()
+app.exec_()
+"""
+
+
+def print_ret(ret):
+    """Print information about an exit status."""
+    if ret == 0:
+        print("{}success{}".format(col.Fore.GREEN, col.Fore.RESET))
+    elif ret == -signal.SIGSEGV:
+        print("{}segfault{}".format(col.Fore.RED, col.Fore.RESET))
+    else:
+        print("{}error {}{}".format(col.Fore.YELLOW, ret, col.Fore.RESET))
+    print()
+
+
+def main():
+    """Main entry point."""
+    retvals = []
+    if len(sys.argv) < 2:
+        # pages which previously caused problems
+        pages = ['http://www.binpress.com/', 'http://www.20min.ch/',
+                 'https://imzdl.com/', 'http://www.the-compiler.org/',
+                 'http://phoronix.com', 'http://lenta.ru/']
+    else:
+        pages = sys.argv[1:]
+    for page in pages:
+        print("{}==== {} ===={}".format(col.Style.BRIGHT, page,
+                                        col.Style.NORMAL))
+        print("With system harfbuzz:")
+        ret = subprocess.call([sys.executable, '-c', SCRIPT, page])
+        print_ret(ret)
+        retvals.append(ret)
+        print("With QT_HARFBUZZ=old:")
+        env = dict(os.environ)
+        env['QT_HARFBUZZ'] = 'old'
+        ret = subprocess.call([sys.executable, '-c', SCRIPT, page], env=env)
+        print_ret(ret)
+        retvals.append(ret)
+        print("With QT_HARFBUZZ=nev:")
+        env = dict(os.environ)
+        env['QT_HARFBUZZ'] = 'new'
+        ret = subprocess.call([sys.executable, '-c', SCRIPT, page], env=env)
+        print_ret(ret)
+        retvals.append(ret)
+    if all(r == 0 for r in retvals):
+        sys.exit(0)
+    else:
+        sys.exit(1)
+
+
+if __name__ == '__main__':
+    main()