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103 lines
2.9 KiB
Python
103 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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"""Implementation of pydocstyle integration with Flake8.
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pydocstyle docstrings convention needs error code and class parser for be
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included as module into flake8
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"""
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from flake8_polyfill import stdin
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import pycodestyle
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try:
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import pydocstyle as pep257
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module_name = 'pydocstyle'
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except ImportError:
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import pep257
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module_name = 'pep257'
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__version__ = '1.3.0'
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__all__ = ('pep257Checker',)
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stdin.monkey_patch('pycodestyle')
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class EnvironError(pep257.Error):
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def __init__(self, err):
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super(EnvironError, self).__init__(
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code='D998',
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short_desc='EnvironmentError: ' + str(err),
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context=None,
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)
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@property
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def line(self):
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"""Return 0 as line number for EnvironmentError."""
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return 0
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class AllError(pep257.Error):
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def __init__(self, err):
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super(AllError, self).__init__(
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code='D999',
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short_desc=str(err).partition('\n')[0],
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context=None,
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)
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@property
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def line(self):
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"""pep257.AllError does not contain line number. Return 0 instead."""
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return 0
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class pep257Checker(object):
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"""Flake8 needs a class to check python file."""
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name = 'flake8-docstrings'
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version = __version__ + ', {0}: {1}'.format(
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module_name, pep257.__version__
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)
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STDIN_NAMES = set(['stdin', '-', '(none)', None])
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def __init__(self, tree, filename='(none)'):
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"""Placeholder."""
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self.tree = tree
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self.filename = filename
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self.checker = pep257.ConventionChecker()
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self.load_source()
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def _check_source(self):
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try:
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# TODO: Naive fix for `pydocstyle 2.0.0` with default settings.
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# Should probably add a proper setting so `ignore_decorators` can
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# be set when calling through the CLI
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for err in self.checker.check_source(
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self.source,
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self.filename,
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ignore_decorators=None,
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):
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yield err
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except pep257.AllError as err:
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yield AllError(err)
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except EnvironmentError as err:
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yield EnvironError(err)
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def run(self):
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"""Use directly check() api from pydocstyle."""
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checked_codes = pep257.conventions.pep257 | {'D998', 'D999'}
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for error in self._check_source():
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if isinstance(error, pep257.Error) and error.code in checked_codes:
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# NOTE(sigmavirus24): Fixes GitLab#3
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message = '%s %s' % (error.code, error.short_desc)
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yield (error.line, 0, message, type(self))
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def load_source(self):
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"""Load the source for the specified file."""
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if self.filename in self.STDIN_NAMES:
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self.filename = 'stdin'
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self.source = pycodestyle.stdin_get_value()
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else:
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with pep257.tokenize_open(self.filename) as fd:
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self.source = fd.read()
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