e050803234
Avoid keeping all the files that have been read and scanned in memory by use a deque and popping files off after they have been read (this allows the gc to clean them up).
179 lines
5.8 KiB
Python
179 lines
5.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2014 Ivan Melnikov <iv at altlinux dot org>
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#
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# Author: Joshua Harlow <harlowja@yahoo-inc.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Check documentation for simple style requirements.
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What is checked:
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- lines should not be longer than 79 characters - D001
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- exception: line with no whitespace except in the beginning
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- exception: lines with http or https urls
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- exception: literal blocks
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- exception: rst target directives
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- no trailing whitespace - D002
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- no tabulation for indentation - D003
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- no carriage returns (use unix newlines) - D004
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"""
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import argparse
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import collections
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import os
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from six.moves import configparser
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from stevedore import extension
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from doc8 import checks
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from doc8 import parser as file_parser
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from doc8 import utils
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FILE_PATTERNS = ['*.rst', '*.txt']
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MAX_LINE_LENGTH = 79
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CONFIG_FILENAMES = [
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"doc8.ini",
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"tox.ini",
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"pep8.ini",
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"setup.cfg",
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]
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def split_set_type(text):
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return set([i.strip() for i in text.split(",") if i.strip()])
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def merge_sets(sets):
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m = set()
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for s in sets:
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m.update(s)
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return m
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def extract_config(args):
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parser = configparser.RawConfigParser()
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read_files = []
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if args['config']:
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for fn in args['config']:
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with open(fn, 'r') as fh:
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parser.readfp(fh, filename=fn)
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read_files.append(fn)
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else:
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read_files.extend(parser.read(CONFIG_FILENAMES))
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if not read_files:
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return {}
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cfg = {}
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try:
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cfg['max_line_length'] = parser.getint("doc8", "max-line-length")
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except (configparser.NoSectionError, configparser.NoOptionError):
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pass
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try:
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cfg['ignore'] = split_set_type(parser.get("doc8", "ignore"))
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except (configparser.NoSectionError, configparser.NoOptionError):
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pass
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try:
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cfg['allow_long_titles'] = parser.getboolean("doc8",
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"allow-long-titles")
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except (configparser.NoSectionError, configparser.NoOptionError):
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pass
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return cfg
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def fetch_checks(cfg):
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base = [
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checks.CheckTrailingWhitespace(cfg),
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checks.CheckIndentationNoTab(cfg),
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checks.CheckCarriageReturn(cfg),
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checks.CheckMaxLineLength(cfg),
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]
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mgr = extension.ExtensionManager(
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namespace='doc8.extension.check',
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invoke_on_load=True,
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invoke_args=(cfg.copy(),),
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)
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addons = []
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for e in mgr:
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addons.append(e.obj)
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return base + addons
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def main():
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parser = argparse.ArgumentParser(
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description=__doc__,
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formatter_class=argparse.RawDescriptionHelpFormatter)
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file_types = ", ".join(FILE_PATTERNS)
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default_configs = ", ".join(CONFIG_FILENAMES)
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parser.add_argument("paths", metavar='path', type=str, nargs='*',
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help=("path to scan for %s files"
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" (default: os.getcwd())") % file_types,
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default=[os.getcwd()])
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parser.add_argument("--config", metavar='path', action="append",
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help="user config file location"
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" (default: %s)" % default_configs,
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default=[])
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parser.add_argument("--allow-long-titles", action="store_true",
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help="allow long section titles (default: False)",
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default=False)
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parser.add_argument("--ignore", action="append", metavar="code",
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help="ignore the given errors code/codes",
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type=split_set_type,
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default=[])
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parser.add_argument("--max-line-length", action="store", metavar="int",
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type=int,
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help="maximum allowed line"
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" length (default: %s)" % MAX_LINE_LENGTH,
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default=MAX_LINE_LENGTH)
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args = vars(parser.parse_args())
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args['ignore'] = merge_sets(args['ignore'])
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cfg = extract_config(args)
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args['ignore'].update(cfg.pop("ignore", set()))
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args.update(cfg)
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files = collections.deque()
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for filename in utils.find_files(args.pop('paths', []), FILE_PATTERNS):
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files.append(file_parser.parse(filename))
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ignoreables = frozenset(args.pop('ignore', []))
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errors = 0
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while files:
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f = files.popleft()
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for c in fetch_checks(args):
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try:
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reports = set(c.REPORTS)
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except AttributeError:
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pass
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else:
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reports = reports - ignoreables
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if not reports:
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continue
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if isinstance(c, checks.ContentCheck):
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for line_num, code, message in c.report_iter(f):
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print('%s:%s: %s %s'
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% (f.filename, line_num, code, message))
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errors += 1
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elif isinstance(c, checks.LineCheck):
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for line_num, line in enumerate(f.lines_iter(), 1):
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for code, message in c.report_iter(line):
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print('%s:%s: %s %s'
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% (f.filename, line_num, code, message))
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errors += 1
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else:
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raise TypeError("Unknown check type: %s, %s"
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% (type(c), c))
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if errors:
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return 1
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else:
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return 0
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