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165 lines (133 loc) · 4.74 KB
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import http.client
import glob
import locale
import os
import re
import sys
import urllib.parse
import urllib.request
from .backports import subprocess
from .match import Match
from .which import which
JAR_NAMES = [
'languagetool-server.jar',
'languagetool-standalone*.jar', # 2.1
'LanguageTool.jar',
'LanguageTool.uno.jar'
]
FAILSAFE_LANGUAGE = 'en'
# https://mail.python.org/pipermail/python-dev/2011-July/112551.html
USE_URLOPEN_RESOURCE_WARNING_FIX = (3, 1) < sys.version_info < (3, 4)
if os.name == 'nt':
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
else:
startupinfo = None
class LanguageToolError(Exception):
pass
class ServerError(LanguageToolError):
pass
class JavaError(LanguageToolError):
pass
class PathError(LanguageToolError):
pass
cache = {}
def parse_url(url_str):
""" Parses a URL string, and adds 'http' if necessary. """
if 'http' not in url_str:
url_str = 'http://' + url_str
return urllib.parse.urlparse(url_str).geturl()
def correct(text: str, matches: [Match]) -> str:
"""Automatically apply suggestions to the text."""
ltext = list(text)
matches = [match for match in matches if match.replacements]
errors = [ltext[match.offset:match.offset + match.errorLength]
for match in matches]
correct_offset = 0
for n, match in enumerate(matches):
frompos, topos = (correct_offset + match.offset,
correct_offset + match.offset + match.errorLength)
if ltext[frompos:topos] != errors[n]:
continue
repl = match.replacements[0]
ltext[frompos:topos] = list(repl)
correct_offset += len(repl) - len(errors[n])
return ''.join(ltext)
def get_language_tool_download_path():
# Get download path from environment or use default.
download_path = os.environ.get(
'LTP_PATH',
os.path.join(os.path.expanduser("~"), ".cache", "language_tool_python")
)
# Make download path, if it doesn't exist.
os.makedirs(download_path, exist_ok=True)
return download_path
def get_language_tool_directory():
"""Get LanguageTool directory."""
download_folder = get_language_tool_download_path()
assert os.path.isdir(download_folder)
language_tool_path_list = [
path for path in
glob.glob(os.path.join(download_folder, 'LanguageTool*'))
if os.path.isdir(path)
]
if not len(language_tool_path_list):
raise FileNotFoundError('LanguageTool not found in {}.'.format(download_folder))
return max(language_tool_path_list)
def get_server_cmd(port=None):
try:
cmd = cache['server_cmd']
except KeyError:
java_path, jar_path = get_jar_info()
cmd = [java_path, '-cp', jar_path,
'org.languagetool.server.HTTPServer']
cache['server_cmd'] = cmd
return cmd if port is None else cmd + ['-p', str(port)]
def get_jar_info():
try:
java_path, jar_path = cache['jar_info']
except KeyError:
java_path = which('java')
if not java_path:
raise JavaError("can't find Java")
dir_name = get_language_tool_directory()
jar_path = None
for jar_name in JAR_NAMES:
for jar_path in glob.glob(os.path.join(dir_name, jar_name)):
if os.path.isfile(jar_path):
break
else:
jar_path = None
if jar_path:
break
else:
raise PathError("can't find languagetool-standalone in {!r}"
.format(dir_name))
cache['jar_info'] = java_path, jar_path
return java_path, jar_path
def get_locale_language():
"""Get the language code for the current locale setting."""
return locale.getlocale()[0] or locale.getdefaultlocale()[0]
if USE_URLOPEN_RESOURCE_WARNING_FIX:
class ClosingHTTPResponse(http.client.HTTPResponse):
def __init__(self, sock, *args, **kwargs):
super().__init__(sock, *args, **kwargs)
self._socket_close = sock.close
def close(self):
super().close()
self._socket_close()
class ClosingHTTPConnection(http.client.HTTPConnection):
response_class = ClosingHTTPResponse
class ClosingHTTPHandler(urllib.request.HTTPHandler):
def http_open(self, req):
return self.do_open(ClosingHTTPConnection, req)
urlopen = urllib.request.build_opener(ClosingHTTPHandler).open
else:
try:
urllib.response.addinfourl.__exit__
except AttributeError:
from contextlib import closing
def urlopen(*args, **kwargs):
return closing(urllib.request.urlopen(*args, **kwargs))
else:
urlopen = urllib.request.urlopen