mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-24 10:37:23 +00:00
73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2020 OzzieIsaacs
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import traceback
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from flask import render_template
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from werkzeug.exceptions import default_exceptions
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try:
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from werkzeug.exceptions import FailedDependency
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except ImportError:
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from werkzeug.exceptions import UnprocessableEntity as FailedDependency
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from . import config, app, logger, services
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log = logger.create()
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# custom error page
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def error_http(error):
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return render_template('http_error.html',
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error_code="Error {0}".format(error.code),
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error_name=error.name,
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issue=False,
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unconfigured=not config.db_configured,
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instance=config.config_calibre_web_title
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), error.code
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def internal_error(error):
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return render_template('http_error.html',
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error_code="500 Internal Server Error",
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error_name='The server encountered an internal error and was unable to complete your '
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'request. There is an error in the application.',
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issue=True,
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unconfigured=False,
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error_stack=traceback.format_exc().split("\n"),
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instance=config.config_calibre_web_title
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), 500
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def init_errorhandler():
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# http error handling
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for ex in default_exceptions:
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if ex < 500:
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app.register_error_handler(ex, error_http)
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elif ex == 500:
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app.register_error_handler(ex, internal_error)
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if services.ldap:
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# Only way of catching the LDAPException upon logging in with LDAP server down
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@app.errorhandler(services.ldap.LDAPException)
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# pylint: disable=unused-variable
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def handle_exception(e):
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log.debug('LDAP server not accessible while trying to login to opds feed')
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return error_http(FailedDependency())
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