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Viktor Barzin 2017-10-08 12:00:02 +01:00
parent 39ee792ad4
commit a410da0e04
722 changed files with 331 additions and 189 deletions
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vim-plugins/python-mode/pymode/libs/pylint/checkers/spelling.py
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# Copyright 2014 Michal Nowikowski.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""Checker for spelling errors in comments and docstrings.
"""
import sys
import tokenize
import string
import re
if sys.version_info[0] >= 3:
maketrans = str.maketrans
else:
maketrans = string.maketrans
from pylint.interfaces import ITokenChecker, IAstroidChecker
from pylint.checkers import BaseTokenChecker
from pylint.checkers.utils import check_messages
try:
import enchant
except ImportError:
enchant = None
if enchant is not None:
br = enchant.Broker()
dicts = br.list_dicts()
dict_choices = [''] + [d[0] for d in dicts]
dicts = ["%s (%s)" % (d[0], d[1].name) for d in dicts]
dicts = ", ".join(dicts)
instr = ""
else:
dicts = "none"
dict_choices = ['']
instr = " To make it working install python-enchant package."
table = maketrans("", "")
class SpellingChecker(BaseTokenChecker):
"""Check spelling in comments and docstrings"""
__implements__ = (ITokenChecker, IAstroidChecker)
name = 'spelling'
msgs = {
'C0401': ('Wrong spelling of a word \'%s\' in a comment:\n%s\n'
'%s\nDid you mean: \'%s\'?',
'wrong-spelling-in-comment',
'Used when a word in comment is not spelled correctly.'),
'C0402': ('Wrong spelling of a word \'%s\' in a docstring:\n%s\n'
'%s\nDid you mean: \'%s\'?',
'wrong-spelling-in-docstring',
'Used when a word in docstring is not spelled correctly.'),
'C0403': ('Invalid characters %r in a docstring',
'invalid-characters-in-docstring',
'Used when a word in docstring cannot be checked by enchant.'),
}
options = (('spelling-dict',
{'default' : '', 'type' : 'choice', 'metavar' : '<dict name>',
'choices': dict_choices,
'help' : 'Spelling dictionary name. '
'Available dictionaries: %s.%s' % (dicts, instr)}),
('spelling-ignore-words',
{'default' : '',
'type' : 'string',
'metavar' : '<comma separated words>',
'help' : 'List of comma separated words that '
'should not be checked.'}),
('spelling-private-dict-file',
{'default' : '',
'type' : 'string',
'metavar' : '<path to file>',
'help' : 'A path to a file that contains private '
'dictionary; one word per line.'}),
('spelling-store-unknown-words',
{'default' : 'n', 'type' : 'yn', 'metavar' : '<y_or_n>',
'help' : 'Tells whether to store unknown words to '
'indicated private dictionary in '
'--spelling-private-dict-file option instead of '
'raising a message.'}),
)
def open(self):
self.initialized = False
self.private_dict_file = None
if enchant is None:
return
dict_name = self.config.spelling_dict
if not dict_name:
return
self.ignore_list = [w.strip() for w in self.config.spelling_ignore_words.split(",")]
# "param" appears in docstring in param description and
# "pylint" appears in comments in pylint pragmas.
self.ignore_list.extend(["param", "pylint"])
if self.config.spelling_private_dict_file:
self.spelling_dict = enchant.DictWithPWL(
dict_name, self.config.spelling_private_dict_file)
self.private_dict_file = open(
self.config.spelling_private_dict_file, "a")
else:
self.spelling_dict = enchant.Dict(dict_name)
if self.config.spelling_store_unknown_words:
self.unknown_words = set()
# Prepare regex for stripping punctuation signs from text.
# ' and _ are treated in a special way.
puncts = string.punctuation.replace("'", "").replace("_", "")
self.punctuation_regex = re.compile('[%s]' % re.escape(puncts))
self.initialized = True
def close(self):
if self.private_dict_file:
self.private_dict_file.close()
def _check_spelling(self, msgid, line, line_num):
line2 = line.strip()
# Replace ['afadf with afadf (but preserve don't)
line2 = re.sub("'([^a-zA-Z]|$)", " ", line2)
# Replace afadf'] with afadf (but preserve don't)
line2 = re.sub("([^a-zA-Z]|^)'", " ", line2)
# Replace punctuation signs with space e.g. and/or -> and or
line2 = self.punctuation_regex.sub(' ', line2)
words = []
for word in line2.split():
# Skip words with digits.
if len(re.findall(r"\d", word)) > 0:
continue
# Skip words with mixed big and small letters,
# they are probaly class names.
if (len(re.findall("[A-Z]", word)) > 0 and
len(re.findall("[a-z]", word)) > 0 and
len(word) > 2):
continue
# Skip words with _ - they are probably function parameter names.
if word.count('_') > 0:
continue
words.append(word)
# Go through words and check them.
for word in words:
# Skip words from ignore list.
if word in self.ignore_list:
continue
orig_word = word
word = word.lower()
# Strip starting u' from unicode literals and r' from raw strings.
if (word.startswith("u'") or
word.startswith('u"') or
word.startswith("r'") or
word.startswith('r"')) and len(word) > 2:
word = word[2:]
# If it is a known word, then continue.
try:
if self.spelling_dict.check(word):
continue
except enchant.errors.Error:
# this can only happen in docstrings, not comments
self.add_message('invalid-characters-in-docstring',
line=line_num, args=(word,))
continue
# Store word to private dict or raise a message.
if self.config.spelling_store_unknown_words:
if word not in self.unknown_words:
self.private_dict_file.write("%s\n" % word)
self.unknown_words.add(word)
else:
# Present up to 4 suggestions.
# TODO: add support for customising this.
suggestions = self.spelling_dict.suggest(word)[:4]
m = re.search(r"(\W|^)(%s)(\W|$)" % word, line.lower())
if m:
# Start position of second group in regex.
col = m.regs[2][0]
else:
col = line.lower().index(word)
indicator = (" " * col) + ("^" * len(word))
self.add_message(msgid, line=line_num,
args=(orig_word, line,
indicator,
"' or '".join(suggestions)))
def process_tokens(self, tokens):
if not self.initialized:
return
# Process tokens and look for comments.
for (tok_type, token, (start_row, _), _, _) in tokens:
if tok_type == tokenize.COMMENT:
self._check_spelling('wrong-spelling-in-comment',
token, start_row)
@check_messages('wrong-spelling-in-docstring')
def visit_module(self, node):
if not self.initialized:
return
self._check_docstring(node)
@check_messages('wrong-spelling-in-docstring')
def visit_class(self, node):
if not self.initialized:
return
self._check_docstring(node)
@check_messages('wrong-spelling-in-docstring')
def visit_function(self, node):
if not self.initialized:
return
self._check_docstring(node)
def _check_docstring(self, node):
"""check the node has any spelling errors"""
docstring = node.doc
if not docstring:
return
start_line = node.lineno + 1
# Go through lines of docstring
for idx, line in enumerate(docstring.splitlines()):
self._check_spelling('wrong-spelling-in-docstring',
line, start_line + idx)
def register(linter):
"""required method to auto register this checker """
linter.register_checker(SpellingChecker(linter))