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"""LanguageTool command line."""
import argparse
import locale
import re
import sys
from .server import LanguageTool
from .utils import LanguageToolError
import pkg_resources
__version__ = pkg_resources.require("language_tool_python")[0].version
def parse_args():
parser = argparse.ArgumentParser(
description=__doc__.strip() if __doc__ else None,
prog='language_tool_python')
parser.add_argument('files', nargs='+',
help='plain text file or "-" for stdin')
parser.add_argument('-c', '--encoding',
help='input encoding')
parser.add_argument('-l', '--language', metavar='CODE',
help='language code of the input or "auto"')
parser.add_argument('-m', '--mother-tongue', metavar='CODE',
help='language code of your first language')
parser.add_argument('-d', '--disable', metavar='RULES', type=get_rules,
action=RulesAction, default=set(),
help='list of rule IDs to be disabled')
parser.add_argument('-e', '--enable', metavar='RULES', type=get_rules,
action=RulesAction, default=set(),
help='list of rule IDs to be enabled')
parser.add_argument('--enabled-only', action='store_true',
help='disable all rules except those specified in '
'--enable')
parser.add_argument(
'--version', action='version',
version='%(prog)s {}'.format(__version__),
help='show version')
parser.add_argument('-a', '--apply', action='store_true',
help='automatically apply suggestions if available')
parser.add_argument('-s', '--spell-check-off', dest='spell_check',
action='store_false',
help='disable spell-checking rules')
parser.add_argument('--ignore-lines',
help='ignore lines that match this regular expression')
parser.add_argument('--remote-host',
help='hostname of the remote LanguageTool server')
parser.add_argument('--remote-port',
help='port of the remote LanguageTool server')
args = parser.parse_args()
if args.enabled_only:
if args.disable:
parser.error('--enabled-only cannot be used with --disable')
if not args.enable:
parser.error('--enabled-only requires --enable')
return args
class RulesAction(argparse.Action):
def __call__(self, parser, namespace, values, option_string=None):
getattr(namespace, self.dest).update(values)
def get_rules(rules: str) -> set:
return {rule.upper() for rule in re.findall(r"[\w\-]+", rules)}
def get_text(filename, encoding, ignore):
with open(filename, encoding=encoding) as f:
text = ''.join('\n' if (ignore and re.match(ignore, line)) else line
for line in f.readlines())
return text
def print_unicode(text):
"""Print in a portable manner."""
if sys.version_info[0] < 3:
text = text.encode('utf-8')
print(text)
def main():
args = parse_args()
status = 0
for filename in args.files:
if len(args.files) > 1:
print(filename, file=sys.stderr)
if filename == '-':
filename = sys.stdin.fileno()
encoding = args.encoding or (
sys.stdin.encoding if sys.stdin.isatty()
else locale.getpreferredencoding()
)
else:
encoding = args.encoding or 'utf-8'
remote_server = None
if args.remote_host is not None:
remote_server = args.remote_host
if args.remote_port is not None:
remote_server += ':{}'.format(args.remote_port)
lang_tool = LanguageTool(
motherTongue=args.mother_tongue,
remote_server=remote_server,
)
guess_language = None
try:
text = get_text(filename, encoding, ignore=args.ignore_lines)
except UnicodeError as exception:
print('{}: {}'.format(filename, exception), file=sys.stderr)
continue
if args.language:
if args.language.lower() == 'auto':
try:
from guess_language import guess_language
except ImportError:
print('guess_language is unavailable.', file=sys.stderr)
return 1
else:
language = guess_language(text)
print('Detected language: {}'.format(language),
file=sys.stderr)
if not language:
return 1
lang_tool.language = language
else:
lang_tool.language = args.language
if not args.spell_check:
lang_tool.disable_spellchecking()
lang_tool.disabled_rules.update(args.disable)
lang_tool.enabled_rules.update(args.enable)
lang_tool.enabled_rules_only = args.enabled_only
try:
if args.apply:
print_unicode(lang_tool.correct(text))
else:
for match in lang_tool.check(text):
rule_id = match.ruleId
replacement_text = ', '.join(
"'{}'".format(word)
for word in match.replacements).strip()
message = match.message
# Messages that end with punctuation already include the
# suggestion.
if replacement_text and not message.endswith(('.', '?')):
message += '; suggestions: ' + replacement_text
print_unicode('{}: {}: {}'.format(
filename,
rule_id,
message))
status = 2
except LanguageToolError as exception:
print('{}: {}'.format(filename, exception), file=sys.stderr)
continue
return status
sys.exit(main())