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# wikiget - CLI tool for downloading files from Wikimedia sites
# Copyright (C) 2018-2023 Cody Logan
# SPDX-License-Identifier: GPL-3.0-or-later
#
# Wikiget 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 3 of the License, or
# (at your option) any later version.
#
# Wikiget 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 Wikiget. If not, see <https://www.gnu.org/licenses/>.
import logging
from argparse import Namespace
from mwclient import APIError, InvalidResponse, LoginError, Site
from mwclient.image import Image
from requests import ConnectionError, HTTPError
import wikiget
logger = logging.getLogger(__name__)
def connect_to_site(site_name: str, args: Namespace) -> Site:
# connect to site and identify ourselves
logger.info(f"Connecting to {site_name}")
try:
site = Site(site_name, path=args.path, clients_useragent=wikiget.USER_AGENT)
if args.username and args.password:
site.login(args.username, args.password)
except ConnectionError as e:
# usually this means there is no such site, or there's no network connection,
# though it could be a certificate problem
logger.error("Could not connect to specified site")
logger.debug(e)
raise
except HTTPError as e:
# most likely a 403 forbidden or 404 not found error for api.php
logger.error(
"Could not find the specified wiki's api.php. Check the value of --path."
)
logger.debug(e)
raise
except (InvalidResponse, LoginError) as e:
# InvalidResponse: site exists, but we couldn't communicate with the API
# endpoint for some reason other than an HTTP error.
# LoginError: missing or invalid credentials
logger.error(e)
raise
return site
def query_api(filename: str, site: Site) -> Image:
# get info about the target file
try:
image = site.images[filename]
except APIError as e:
# an API error at this point likely means access is denied, which could happen
# with a private wiki
logger.error(
"Access denied. Try providing credentials with --username and --password."
)
for i in e.args:
logger.debug(i)
raise
return image
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