tox: Use pytest-cov for coverage.

.coveragerc

@@ -1,4 +1,5 @@
 [run]
+branch = true
 omit =
     qutebrowser/__main__.py
     */__init__.py

scripts/print_coverage.py

@@ -1,61 +0,0 @@
-#!/usr/bin/env python3
-# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
-
-# Copyright 2014-2015 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/>.
-
-"""Print the unittest coverage based on the HTML output.
-
-This can probably be deleted when switching to py.test
-"""
-
-
-import os.path
-import html.parser
-
-
-class Parser(html.parser.HTMLParser):
-
-    """HTML parser to get the percentage from coverage's HTML output."""
-
-    def __init__(self):
-        super().__init__(convert_charrefs=True)
-        self._active = False
-        self.percentage = None
-
-    def handle_starttag(self, tag, attrs):
-        if tag == 'span' and dict(attrs).get('class', None) == 'pc_cov':
-            self._active = True
-
-    def handle_endtag(self, _tag):
-        self._active = False
-
-    def handle_data(self, data):
-        if self._active:
-            self.percentage = data
-
-
-def main():
-    """Main entry point."""
-    p = Parser()
-    with open(os.path.join('htmlcov', 'index.html'), encoding='utf-8') as f:
-        p.feed(f.read())
-    print('COVERAGE: {}'.format(p.percentage))
-
-
-if __name__ == '__main__':
-    main()

tox.ini

@@ -29,12 +29,11 @@ commands =
 deps =
     {[testenv:unittests]deps}
     coverage==3.7.1
+    pytest-cov==1.8.1
+    cov-core==1.15.0
 commands =
     {[testenv:mkvenv]commands}
-    {envpython} -m coverage erase
-    {envpython} -m coverage run --branch --source=qutebrowser -m py.test
-    {envpython} -m coverage html
-    {envpython} scripts/print_coverage.py
+    {envpython} -m py.test --cov qutebrowser --cov-report term --cov-report html
 
 [testenv:misc]
 commands =