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"""Handle application level errors."""
import logging
import traceback
from werkzeug.exceptions import NotFound, HTTPException
from flask import (Flask,
request,
jsonify,
render_template)
from gn_auth.auth.errors import AuthorisationError
from .http import http_error_handlers
from .authlib import authlib_error_handlers
from .common import add_trace, build_handler
logger = logging.getLogger(__name__)
__all__ = ["register_error_handlers"]
def handle_general_exception(exc: Exception):
"""Handle generic unhandled exceptions."""
exc_args = [str(x) for x in exc.args]
_handle = build_handler("A generic exception occurred: "
" ".join(exc_args))
return _handle(exc)
def handle_authorisation_error(exc: AuthorisationError):
"""Handle AuthorisationError if not handled anywhere else."""
exc_args = [str(x) for x in exc.args]
_handle = build_handler("A generic authorisation error occurred: "
" ".join(exc_args))
return _handle(exc)
def register_error_handlers(app: Flask):
"""Register ALL defined error handlers"""
_handlers = {
**authlib_error_handlers(),
**http_error_handlers(),
Exception: handle_general_exception,
AuthorisationError: handle_authorisation_error
}
for class_, error_handler in _handlers.items():
logger.debug("Register handler for %s", class_.__name__)
app.register_error_handler(class_, error_handler)
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