def test_flake8(self):
self.requireFeature(features.flake8)
# Older versions of flake8 don't support the 'paths'
# variable
new_path = list(sys.path)
new_path.insert(
0, os.path.join(os.path.dirname(__file__), '..', '..', 'tools'))
self.overrideAttr(sys, 'path', new_path)
from flake8.main.application import Application
from flake8.formatting.base import BaseFormatter
app = Application()
app.config = u'setup.cfg'
app.jobs = 1
class Formatter(BaseFormatter):
def __init__(self):
self.errors = []
def start(self):
pass
def stop(self):
app.file_checker_manager.report()
def handle(self, error):
self.errors.append(error)
app.formatter = Formatter()
app.initialize([])
app.run_checks()
app.report()
self.assertEqual(app.formatter.errors, [])
def find_options(self, config):
"""Use flake8's library to find a valid config for flake8"""
flk8 = Application()
args = []
if config:
args.append("--config={}".format(config))
flk8.initialize(args)
opts = {}
for key, value in list(vars(flk8.options).items()):
if re.match(r'pytest_mark.*', key):
for option in value:
try:
opts[key]
except KeyError:
opts[key] = {}
val = option.split('=')
opts[key][val[0]] = val[1]
self.options = opts
def run(self):
"""
代码检测工作函数
"""
while 1:
if not self._running:
logger.info('code checker quit')
break
if not self.background_checking:
QThread.msleep(500)
continue
if self._queue.qsize() == 0:
QThread.msleep(500)
continue
try:
widget, code = self._queue.get(False, 0.5)
# 创建临时文件
file = QTemporaryFile(self)
file.setAutoRemove(True)
if file.open():
with open(file.fileName(), 'wb') as fp:
fp.write(code.encode())
file.close()
# 使用flake8检测代码
results = []
with StringIO() as out, redirect_stdout(out):
app = Application()
app.initialize(
['flake8', '--exit-zero', '--config',
os.path.join(os.path.dirname(__file__), 'config', '.flake8')])
app.run_checks([file.fileName()])
app.report()
results = out.getvalue().split('\n')
results = [ret for ret in results if re.search(r'\d+:\d+:[EFW]\d+:.*?', ret)]
# if results:
self.checked.emit(widget, results) # 如果为空，也应该这样做。将空列表传入可以清空所有的标记。
file.deleteLater()
del file
except Exception as e:
logger.warning(str(e))
def make_linter(code, path='example.py', argv=None):
app = Application()
app.initialize(argv)
Checker.parse_options(app.options)
tree = ast.parse(code, path)
return Checker(tree, path)
def make_linter(code, path='example.py', argv=None):
app = Application()
app.initialize(argv)
Checker.parse_options(app.options)
tree = ast.parse(code, path)
return Checker(tree, path)
