Switch from flake8 to pytest-{mccabe,flakes,pep8}.

.flake8

@@ -1,13 +0,0 @@
-# vim: ft=dosini fileencoding=utf-8:
-
-[flake8]
-# E265: Block comment should start with '#'
-# E501: Line too long
-# F841: unused variable
-# F401: Unused import
-# E402: module level import not at top of file
-# E266: too many leading '#' for block comment
-# W503: line break before binary operator
-ignore=E265,E501,F841,F401,E402,E266,W503
-max_complexity = 12
-exclude=resources.py

.gitignore

@@ -22,3 +22,4 @@ __pycache__
 /htmlcov
 /.tox
 /testresults.html
+/.cache

CONTRIBUTING.asciidoc

@@ -93,7 +93,9 @@ Currently, the following tools will be invoked when you run `tox`:
 
 * Unit tests using the Python
 https://docs.python.org/3.4/library/unittest.html[unittest] framework
-* https://pypi.python.org/pypi/flake8/[flake8]
+* https://pypi.python.org/pypi/pyflakes[pyflakes] via https://pypi.python.org/pypi/pytest-flakes[pytest-flakes]
+* https://pypi.python.org/pypi/pep8[pep8] via https://pypi.python.org/pypi/pytest-pep8[pytest-pep8]
+* https://pypi.python.org/pypi/mccabe[mccabe] via https://pypi.python.org/pypi/pytest-mccabe[pytest-mccabe]
 * https://github.com/GreenSteam/pep257/[pep257]
 * http://pylint.org/[pylint]
 * https://pypi.python.org/pypi/pyroma/[pyroma]

MANIFEST.in

@@ -28,7 +28,6 @@ include doc/qutebrowser.1.asciidoc
 prune tests
 exclude qutebrowser.rcc
 exclude .coveragerc
-exclude .flake8
 exclude .pylintrc
 exclude .eslintrc
 exclude doc/help

qutebrowser/app.py

@@ -606,7 +606,7 @@ class Quitter:
             # event loop, so we can shut down immediately.
             self._shutdown(status)
 
-    def _shutdown(self, status):  # noqa
+    def _shutdown(self, status):
         """Second stage of shutdown."""
         log.destroy.debug("Stage 2 of shutting down...")
         if qApp is None:

qutebrowser/browser/network/networkmanager.py

@@ -181,7 +181,7 @@ class NetworkManager(QNetworkAccessManager):
             request.deleteLater()
         self.shutting_down.emit()
 
-    if SSL_AVAILABLE:  # noqa
+    if SSL_AVAILABLE:  # pragma: no mccabe
         @pyqtSlot('QNetworkReply*', 'QList<QSslError>')
         def on_ssl_errors(self, reply, errors):
             """Decide if SSL errors should be ignored or not.

qutebrowser/commands/command.py

@@ -420,7 +420,7 @@ class Command:
             value = self._type_conv[param.name](value)
         return name, value
 
-    def _get_call_args(self, win_id):  # noqa
+    def _get_call_args(self, win_id):
         """Get arguments for a function call.
 
         Args:

qutebrowser/misc/crashsignal.py

@@ -190,7 +190,7 @@ class CrashHandler(QObject):
             objects = ""
         return ExceptionInfo(pages, cmd_history, objects)
 
-    def exception_hook(self, exctype, excvalue, tb):  # noqa
+    def exception_hook(self, exctype, excvalue, tb):
         """Handle uncaught python exceptions.
 
         It'll try very hard to write all open tabs to a file, and then exit

qutebrowser/misc/split.py

@@ -55,7 +55,7 @@ class ShellLexer:
         self.token = ''
         self.state = ' '
 
-    def __iter__(self):  # noqa
+    def __iter__(self):  # pragma: no mccabe
         """Read a raw token from the input stream."""
         # pylint: disable=too-many-branches,too-many-statements
         self.reset()

tox.ini

@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = unittests,misc,pep257,flake8,pylint,pyroma,check-manifest
+envlist = unittests,misc,pep257,pyflakes,pep8,mccabe,pylint,pyroma,check-manifest
 
 [testenv]
 basepython = python3
@@ -74,16 +74,40 @@ passenv = LANG
 # D402: First line should not be function's signature (false-positives)
 commands = {envpython} -m pep257 scripts tests qutebrowser --ignore=D102,D103,D209,D402 '--match=(?!resources|test_content_disposition).*\.py'
 
-[testenv:flake8]
-skip_install = true
+[testenv:pyflakes]
+# https://github.com/fschulze/pytest-flakes/issues/6
+setenv = LANG=en_US.UTF-8
 deps =
     -r{toxinidir}/requirements.txt
-    pyflakes==0.8.1
-    pep8==1.5.7  # rq.filter: <1.6.0
-    flake8==2.4.0
+    py==1.4.27
+    pytest==2.7.1
+    pyflakes==0.9.0
+    pytest-flakes==0.2
 commands =
     {[testenv:mkvenv]commands}
-    {envdir}/bin/flake8 scripts tests qutebrowser --config=.flake8
+    {envpython} -m py.test -q --flakes -m flakes
+
+[testenv:pep8]
+deps =
+    -r{toxinidir}/requirements.txt
+    py==1.4.27
+    pytest==2.7.1
+    pep8==1.6.2
+    pytest-pep8==1.0.6
+commands =
+    {[testenv:mkvenv]commands}
+    {envpython} -m py.test -q --pep8 -m pep8
+
+[testenv:mccabe]
+deps =
+    -r{toxinidir}/requirements.txt
+    py==1.4.27
+    pytest==2.7.1
+    mccabe==0.3
+    pytest-mccabe==0.1
+commands =
+    {[testenv:mkvenv]commands}
+    {envpython} -m py.test -q --mccabe -m mccabe
 
 [testenv:pyroma]
 skip_install = true
@@ -129,3 +153,15 @@ commands =
 norecursedirs = .tox .venv
 markers =
     gui: Tests using the GUI (e.g. spawning widgets)
+flakes-ignore =
+    UnusedImport
+    UnusedVariable
+    resources.py ALL
+pep8ignore =
+    E265  # Block comment should start with '#'
+    E501  # Line too long
+    E402  # module level import not at top of file
+    E266  # too many leading '#' for block comment
+    W503  # line break before binary operator
+    resources.py ALL
+mccabe-complexity = 12