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LibreTranslate/app/main.py

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import argparse
import operator
import sys
from app.app import create_app
from app.default_values import DEFAULT_ARGUMENTS as DEFARGS
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def get_args():
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parser = argparse.ArgumentParser(
description="LibreTranslate - Free and Open Source Translation API"
)
parser.add_argument(
"--host", type=str, help="Hostname (%(default)s)", default=DEFARGS['HOST']
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)
parser.add_argument("--port", type=int, help="Port (%(default)s)", default=DEFARGS['PORT'])
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parser.add_argument(
"--char-limit",
default=DEFARGS['CHAR_LIMIT'],
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type=int,
metavar="<number of characters>",
help="Set character limit (%(default)s)",
)
parser.add_argument(
"--req-limit",
default=DEFARGS['REQ_LIMIT'],
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type=int,
metavar="<number>",
help="Set the default maximum number of requests per minute per client (%(default)s)",
)
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parser.add_argument(
"--req-limit-storage",
default=DEFARGS['REQ_LIMIT_STORAGE'],
type=str,
metavar="<Storage URI>",
help="Storage URI to use for request limit data storage. See https://flask-limiter.readthedocs.io/en/stable/configuration.html. (%(default)s)",
)
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parser.add_argument(
"--daily-req-limit",
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default=DEFARGS['DAILY_REQ_LIMIT'],
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type=int,
metavar="<number>",
help="Set the default maximum number of requests per day per client, in addition to req-limit. (%(default)s)",
)
parser.add_argument(
"--req-flood-threshold",
default=DEFARGS['REQ_FLOOD_THRESHOLD'],
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type=int,
metavar="<number>",
help="Set the maximum number of request limit offences that a client can exceed before being banned. (%(default)s)",
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)
parser.add_argument(
"--batch-limit",
default=DEFARGS['BATCH_LIMIT'],
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type=int,
metavar="<number of texts>",
help="Set maximum number of texts to translate in a batch request (%(default)s)",
)
parser.add_argument(
"--ga-id",
type=str,
default=DEFARGS['GA_ID'],
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metavar="<GA ID>",
help="Enable Google Analytics on the API client page by providing an ID (%(default)s)",
)
parser.add_argument(
"--debug", default=DEFARGS['DEBUG'], action="store_true", help="Enable debug environment"
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)
parser.add_argument(
"--ssl", default=DEFARGS['SSL'], action="store_true", help="Whether to enable SSL"
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)
parser.add_argument(
"--frontend-language-source",
type=str,
default=DEFARGS['FRONTEND_LANGUAGE_SOURCE'],
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metavar="<language code>",
help="Set frontend default language - source (%(default)s)",
)
parser.add_argument(
"--frontend-language-target",
type=str,
default=DEFARGS['FRONTEND_LANGUAGE_TARGET'],
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metavar="<language code>",
help="Set frontend default language - target (%(default)s)",
)
parser.add_argument(
"--frontend-timeout",
type=int,
default=DEFARGS['FRONTEND_TIMEOUT'],
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metavar="<milliseconds>",
help="Set frontend translation timeout (%(default)s)",
)
parser.add_argument(
"--api-keys",
default=DEFARGS['API_KEYS'],
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action="store_true",
help="Enable API keys database for per-user rate limits lookup",
)
parser.add_argument(
"--api-keys-db-path",
default=DEFARGS['API_KEYS_DB_PATH'],
type=str,
help="Use a specific path inside the container for the local database. Can be absolute or relative (%(default)s)",
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)
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parser.add_argument(
"--api-keys-remote",
default=DEFARGS['API_KEYS_REMOTE'],
type=str,
help="Use this remote endpoint to query for valid API keys instead of using the local database",
)
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parser.add_argument(
"--get-api-key-link",
default=DEFARGS['GET_API_KEY_LINK'],
type=str,
help="Show a link in the UI where to direct users to get an API key",
)
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parser.add_argument(
"--require-api-key-origin",
type=str,
default=DEFARGS['REQUIRE_API_KEY_ORIGIN'],
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help="Require use of an API key for programmatic access to the API, unless the request origin matches this domain",
)
parser.add_argument(
"--load-only",
type=operator.methodcaller("split", ","),
default=DEFARGS['LOAD_ONLY'],
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metavar="<comma-separated language codes>",
help="Set available languages (ar,de,en,es,fr,ga,hi,it,ja,ko,pt,ru,zh)",
)
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parser.add_argument(
"--threads",
default=DEFARGS['THREADS'],
type=int,
metavar="<number of threads>",
help="Set number of threads (%(default)s)",
)
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parser.add_argument(
"--suggestions", default=DEFARGS['SUGGESTIONS'], action="store_true", help="Allow user suggestions"
)
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parser.add_argument(
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"--disable-files-translation", default=DEFARGS['DISABLE_FILES_TRANSLATION'], action="store_true",
help="Disable files translation"
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)
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parser.add_argument(
"--disable-web-ui", default=DEFARGS['DISABLE_WEB_UI'], action="store_true", help="Disable web ui"
)
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return parser.parse_args()
def main():
args = get_args()
app = create_app(args)
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if sys.argv[0] == '--wsgi':
return app
else:
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if args.debug:
app.run(host=args.host, port=args.port)
else:
from waitress import serve
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url_scheme = "https" if args.ssl else "http"
print("Running on %s://%s:%s" % (url_scheme, args.host, args.port))
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serve(
app,
host=args.host,
port=args.port,
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url_scheme=url_scheme,
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threads=args.threads
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)
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if __name__ == "__main__":
main()