name = 'flake8_isort'

version = '0.1'

isort_error_msg = ('I001 isort found deviations to configured sorting '

'rules, run it on the file to fix this.')

no_config_msg = ('I002 no configuration found (.isort.cfg or [isort] on '

'setup.cfg)')

config_file = None

def __init__(self, tree, filename):

self.filename = filename

@classmethod

def add_options(cls, parser):

parser.add_option(

'--no-isort-config',

action='store_true',

help='Do not require explicit configuration to be found'

)

parser.config_options.append('no-isort-config')

@classmethod

def parse_options(cls, options):

if options.no_isort_config is None:

cls.config_file = True

else:

cls.config_file = False

def run(self):

if self.config_file and not self.search_isort_config():

yield 0, 0, self.no_config_msg, type(self)

else:

with OutputCapture():

if self.filename == 'stdin':

sort_result = SortImports(

file_contents=stdin_get_value(),

check=True,

)

else:

sort_result = SortImports(self.filename, check=True)

if sort_result.incorrectly_sorted:

yield 0, 0, self.isort_error_msg, type(self)

def search_isort_config(self):

"""Search for isort configuration all the way up to the root folder

Either on ``.isort.cfg`` file or an ``[isort]`` section on

``setup.cfg``.

"""

full_path = os.path.abspath(self.filename)

path_parts = full_path.split(os.path.sep)

dirs_missing = len(path_parts)

while dirs_missing > 0:

dirs_missing -= 1

partial_parts = path_parts[:dirs_missing]

partial_path = os.sep.join(partial_parts)

isort_file = '{0}{1}.isort.cfg'.format(partial_path, os.sep)

if os.path.exists(isort_file):

return True

# If the setup file exists and has an "isort" section,

# then we've found the configuration.

setup_file = '{0}{1}setup.cfg'.format(partial_path, os.sep)

if os.path.exists(setup_file):

config = ConfigParser()

config.read(setup_file)

if 'isort' in config.sections():

return True