Files
notifications-api/app/errors.py
Nicholas Staples b56e324a4c Working tests and provider stats table.
Fix for tests and import error.

Added tests and updated for code review comments.
2016-04-25 12:20:06 +01:00

70 lines
2.5 KiB
Python

from flask import (
jsonify,
current_app
)
from sqlalchemy.exc import SQLAlchemyError, DataError
from sqlalchemy.orm.exc import NoResultFound
def register_errors(blueprint):
@blueprint.app_errorhandler(400)
def bad_request(e):
if isinstance(e, str):
msg = e
else:
msg = e.description or "Invalid request parameters"
return jsonify(result='error', message=str(msg)), 400
@blueprint.app_errorhandler(401)
def unauthorized(e):
error_message = "Unauthorized, authentication token must be provided"
return jsonify(result='error', message=error_message), 401, [('WWW-Authenticate', 'Bearer')]
@blueprint.app_errorhandler(403)
def forbidden(e):
error_message = "Forbidden, invalid authentication token provided"
return jsonify(result='error', message=error_message), 403
@blueprint.app_errorhandler(404)
def page_not_found(e):
if isinstance(e, str):
msg = e
else:
msg = e.description or "Not found"
return jsonify(result='error', message=msg), 404
@blueprint.app_errorhandler(429)
def limit_exceeded(e):
return jsonify(result='error', message=str(e.description)), 429
@blueprint.app_errorhandler(500)
def internal_server_error(e):
if isinstance(e, str):
current_app.logger.exception(e)
elif isinstance(e, Exception):
current_app.logger.exception(e)
return jsonify(result='error', message="Internal server error"), 500
@blueprint.app_errorhandler(NoResultFound)
def no_result_found(e):
current_app.logger.exception(e)
return jsonify(result='error', message="No result found"), 404
@blueprint.app_errorhandler(DataError)
def data_error(e):
current_app.logger.exception(e)
return jsonify(result='error', message="No result found"), 404
@blueprint.app_errorhandler(SQLAlchemyError)
def db_error(e):
current_app.logger.exception(e)
if e.orig.pgerror and \
('duplicate key value violates unique constraint "services_name_key"' in e.orig.pgerror or
'duplicate key value violates unique constraint "services_email_from_key"' in e.orig.pgerror):
return jsonify(
result='error',
message={'name': ["Duplicate service name '{}'".format(e.params.get('name', ''))]}
), 400
return jsonify(result='error', message="Internal server error"), 500