Files
notifications-api/app/v2/errors.py
Ken Tsang c29fc8cfa4 Add celery task to check job finished
- celery task called after countdown of 60 minutes from start of job processing
2017-10-11 18:14:56 +01:00

89 lines
2.8 KiB
Python

import json
from flask import jsonify, current_app
from jsonschema import ValidationError
from sqlalchemy.exc import DataError
from sqlalchemy.orm.exc import NoResultFound
from app.authentication.auth import AuthError
from app.errors import InvalidRequest
class JobIncompleteError(Exception):
def __init__(self, message):
self.message = message
self.status_code = 500
def to_dict_v2(self):
return {
'status_code': self.status_code,
"errors": [
{
"error": 'JobIncompleteError',
"message": self.message
}
]
}
class TooManyRequestsError(InvalidRequest):
status_code = 429
message_template = 'Exceeded send limits ({}) for today'
def __init__(self, sending_limit):
self.message = self.message_template.format(sending_limit)
class RateLimitError(InvalidRequest):
status_code = 429
message_template = 'Exceeded rate limit for key type {} of {} requests per {} seconds'
def __init__(self, sending_limit, interval, key_type):
# normal keys are spoken of as "live" in the documentation
# so using this in the error messaging
if key_type == 'normal':
key_type = 'live'
self.message = self.message_template.format(key_type.upper(), sending_limit, interval)
class BadRequestError(InvalidRequest):
message = "An error occurred"
def __init__(self, fields=[], message=None, status_code=400):
self.status_code = status_code
self.fields = fields
self.message = message if message else self.message
def register_errors(blueprint):
@blueprint.errorhandler(InvalidRequest)
def invalid_data(error):
current_app.logger.error(error)
response = jsonify(error.to_dict_v2()), error.status_code
return response
@blueprint.errorhandler(ValidationError)
def validation_error(error):
current_app.logger.exception(error)
return jsonify(json.loads(error.message)), 400
@blueprint.errorhandler(JobIncompleteError)
def job_incomplete_error(error):
return jsonify(error.to_dict_v2()), 500
@blueprint.errorhandler(NoResultFound)
@blueprint.errorhandler(DataError)
def no_result_found(e):
current_app.logger.exception(e)
return jsonify(status_code=404,
errors=[{"error": e.__class__.__name__, "message": "No result found"}]), 404
@blueprint.errorhandler(AuthError)
def auth_error(error):
return jsonify(error.to_dict_v2()), error.code
@blueprint.errorhandler(Exception)
def internal_server_error(error):
current_app.logger.exception(error)
return jsonify(status_code=500,
errors=[{"error": error.__class__.__name__, "message": 'Internal server error'}]), 500