From 905b0231e93ce2409a45dd6c4f5f983689fdb790 Mon Sep 17 00:00:00 2001 From: Harry Huang Date: Wed, 1 Nov 2017 11:56:50 +0800 Subject: Add compass-deck RESTful API and DB Handlers for Compass Change-Id: I1ce411f279943764c286ea48dca9185d453cf254 Signed-off-by: Harry Huang --- compass-deck/db/exception.py | 116 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 compass-deck/db/exception.py (limited to 'compass-deck/db/exception.py') diff --git a/compass-deck/db/exception.py b/compass-deck/db/exception.py new file mode 100644 index 0000000..44556c9 --- /dev/null +++ b/compass-deck/db/exception.py @@ -0,0 +1,116 @@ +# Copyright 2014 Huawei Technologies Co. Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Custom exception""" +import traceback + + +class DatabaseException(Exception): + """Base class for all database exceptions.""" + def __init__(self, message): + super(DatabaseException, self).__init__(message) + self.traceback = traceback.format_exc() + self.status_code = 400 + + def to_dict(self): + return {'message': str(self)} + + +class RecordNotExists(DatabaseException): + """Define the exception for referring non-existing object in DB.""" + def __init__(self, message): + super(RecordNotExists, self).__init__(message) + self.status_code = 404 + + +class DuplicatedRecord(DatabaseException): + """Define the exception for trying to insert an existing object in DB.""" + def __init__(self, message): + super(DuplicatedRecord, self).__init__(message) + self.status_code = 409 + + +class Unauthorized(DatabaseException): + """Define the exception for invalid user login.""" + def __init__(self, message): + super(Unauthorized, self).__init__(message) + self.status_code = 401 + + +class UserDisabled(DatabaseException): + """Define the exception that a disabled user tries to do some operations. + + """ + def __init__(self, message): + super(UserDisabled, self).__init__(message) + self.status_code = 403 + + +class Forbidden(DatabaseException): + """Define the exception that a user is trying to make some action + + without the right permission. + + """ + def __init__(self, message): + super(Forbidden, self).__init__(message) + self.status_code = 403 + + +class NotAcceptable(DatabaseException): + """The data is not acceptable.""" + def __init__(self, message): + super(NotAcceptable, self).__init__(message) + self.status_code = 406 + + +class InvalidParameter(DatabaseException): + """Define the exception that the request has invalid or missing parameters. + + """ + def __init__(self, message): + super(InvalidParameter, self).__init__(message) + self.status_code = 400 + + +class InvalidResponse(DatabaseException): + """Define the exception that the response is invalid. + + """ + def __init__(self, message): + super(InvalidResponse, self).__init__(message) + self.status_code = 400 + + +class MultiDatabaseException(DatabaseException): + """Define the exception composites with multi exceptions.""" + def __init__(self, exceptions): + super(MultiDatabaseException, self).__init__('multi exceptions') + self.exceptions = exceptions + self.status_code = 400 + + @property + def traceback(self): + tracebacks = [] + for exception in self.exceptions: + tracebacks.append(exception.trackback) + + def to_dict(self): + dict_info = super(MultiDatabaseException, self).to_dict() + dict_info.update({ + 'exceptions': [ + exception.to_dict() for exception in self.exceptions + ] + }) + return dict_info -- cgit 1.2.3-korg