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Claude Project Manager
356
v2_adminpanel/core/exceptions.py
Normale Datei
356
v2_adminpanel/core/exceptions.py
Normale Datei
@ -0,0 +1,356 @@
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import uuid
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from typing import Optional, Dict, Any
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from datetime import datetime
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class BaseApplicationException(Exception):
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def __init__(
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self,
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message: str,
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code: str,
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status_code: int = 500,
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details: Optional[Dict[str, Any]] = None,
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user_message: Optional[str] = None
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):
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super().__init__(message)
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self.message = message
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self.code = code
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self.status_code = status_code
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self.details = details or {}
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self.user_message = user_message or message
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self.timestamp = datetime.utcnow()
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self.request_id = str(uuid.uuid4())
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def to_dict(self, include_details: bool = False) -> Dict[str, Any]:
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result = {
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'error': {
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'code': self.code,
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'message': self.user_message,
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'timestamp': self.timestamp.isoformat(),
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'request_id': self.request_id
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}
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}
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if include_details and self.details:
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result['error']['details'] = self.details
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return result
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class ValidationException(BaseApplicationException):
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def __init__(
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self,
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message: str,
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field: Optional[str] = None,
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value: Any = None,
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details: Optional[Dict[str, Any]] = None,
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user_message: Optional[str] = None
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):
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details = details or {}
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if field:
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details['field'] = field
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if value is not None:
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details['value'] = str(value)
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super().__init__(
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message=message,
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code='VALIDATION_ERROR',
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status_code=400,
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details=details,
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user_message=user_message or "Ungültige Eingabe"
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)
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class InputValidationError(ValidationException):
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def __init__(
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self,
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field: str,
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message: str,
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value: Any = None,
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expected_type: Optional[str] = None
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):
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details = {'expected_type': expected_type} if expected_type else None
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super().__init__(
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message=f"Invalid input for field '{field}': {message}",
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field=field,
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value=value,
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details=details,
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user_message=f"Ungültiger Wert für Feld '{field}'"
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)
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class BusinessRuleViolation(ValidationException):
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def __init__(
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self,
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rule: str,
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message: str,
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context: Optional[Dict[str, Any]] = None
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):
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super().__init__(
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message=message,
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details={'rule': rule, 'context': context or {}},
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user_message="Geschäftsregel verletzt"
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)
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class DataIntegrityError(ValidationException):
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def __init__(
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self,
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entity: str,
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constraint: str,
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message: str,
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details: Optional[Dict[str, Any]] = None
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):
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details = details or {}
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details.update({'entity': entity, 'constraint': constraint})
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super().__init__(
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message=message,
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details=details,
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user_message="Datenintegritätsfehler"
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)
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class AuthenticationException(BaseApplicationException):
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def __init__(
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self,
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message: str,
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details: Optional[Dict[str, Any]] = None,
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user_message: Optional[str] = None
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):
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super().__init__(
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message=message,
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code='AUTHENTICATION_ERROR',
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status_code=401,
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details=details,
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user_message=user_message or "Authentifizierung fehlgeschlagen"
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)
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class InvalidCredentialsError(AuthenticationException):
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def __init__(self, username: Optional[str] = None):
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details = {'username': username} if username else None
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super().__init__(
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message="Invalid username or password",
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details=details,
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user_message="Ungültiger Benutzername oder Passwort"
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)
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class SessionExpiredError(AuthenticationException):
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def __init__(self, session_id: Optional[str] = None):
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details = {'session_id': session_id} if session_id else None
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super().__init__(
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message="Session has expired",
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details=details,
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user_message="Ihre Sitzung ist abgelaufen"
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)
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class InsufficientPermissionsError(AuthenticationException):
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def __init__(
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self,
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required_permission: str,
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user_permissions: Optional[list] = None
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):
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super().__init__(
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message=f"User lacks required permission: {required_permission}",
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details={
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'required': required_permission,
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'user_permissions': user_permissions or []
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},
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user_message="Unzureichende Berechtigungen für diese Aktion"
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)
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self.status_code = 403
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class DatabaseException(BaseApplicationException):
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def __init__(
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self,
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message: str,
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query: Optional[str] = None,
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details: Optional[Dict[str, Any]] = None,
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user_message: Optional[str] = None
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):
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details = details or {}
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if query:
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details['query_hash'] = str(hash(query))
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super().__init__(
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message=message,
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code='DATABASE_ERROR',
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status_code=500,
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details=details,
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user_message=user_message or "Datenbankfehler aufgetreten"
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)
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class ConnectionError(DatabaseException):
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def __init__(self, message: str, host: Optional[str] = None):
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details = {'host': host} if host else None
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super().__init__(
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message=message,
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details=details,
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user_message="Datenbankverbindung fehlgeschlagen"
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)
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class QueryError(DatabaseException):
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def __init__(
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self,
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message: str,
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query: str,
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error_code: Optional[str] = None
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):
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super().__init__(
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message=message,
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query=query,
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details={'error_code': error_code} if error_code else None,
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user_message="Datenbankabfrage fehlgeschlagen"
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)
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class TransactionError(DatabaseException):
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def __init__(self, message: str, operation: str):
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super().__init__(
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message=message,
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details={'operation': operation},
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user_message="Transaktion fehlgeschlagen"
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)
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class ExternalServiceException(BaseApplicationException):
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def __init__(
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self,
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service_name: str,
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message: str,
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details: Optional[Dict[str, Any]] = None,
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user_message: Optional[str] = None
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):
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details = details or {}
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details['service'] = service_name
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super().__init__(
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message=message,
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code='EXTERNAL_SERVICE_ERROR',
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status_code=502,
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details=details,
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user_message=user_message or f"Fehler beim Zugriff auf {service_name}"
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)
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class APIError(ExternalServiceException):
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def __init__(
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self,
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service_name: str,
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endpoint: str,
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status_code: int,
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message: str
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):
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super().__init__(
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service_name=service_name,
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message=message,
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details={
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'endpoint': endpoint,
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'response_status': status_code
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},
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user_message=f"API-Fehler bei {service_name}"
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)
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class TimeoutError(ExternalServiceException):
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def __init__(
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self,
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service_name: str,
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timeout_seconds: int,
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operation: str
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):
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super().__init__(
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service_name=service_name,
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message=f"Timeout after {timeout_seconds}s while {operation}",
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details={
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'timeout_seconds': timeout_seconds,
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'operation': operation
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},
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user_message=f"Zeitüberschreitung bei {service_name}"
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)
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class ResourceException(BaseApplicationException):
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def __init__(
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self,
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message: str,
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resource_type: str,
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resource_id: Any = None,
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details: Optional[Dict[str, Any]] = None,
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user_message: Optional[str] = None
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):
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details = details or {}
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details.update({
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'resource_type': resource_type,
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'resource_id': str(resource_id) if resource_id else None
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})
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super().__init__(
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message=message,
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code='RESOURCE_ERROR',
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status_code=404,
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details=details,
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user_message=user_message or "Ressourcenfehler"
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)
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class ResourceNotFoundError(ResourceException):
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def __init__(
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self,
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resource_type: str,
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resource_id: Any = None,
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search_criteria: Optional[Dict[str, Any]] = None
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):
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details = {'search_criteria': search_criteria} if search_criteria else None
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super().__init__(
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message=f"{resource_type} not found",
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resource_type=resource_type,
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resource_id=resource_id,
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details=details,
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user_message=f"{resource_type} nicht gefunden"
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)
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self.status_code = 404
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class ResourceConflictError(ResourceException):
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def __init__(
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self,
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resource_type: str,
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resource_id: Any,
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conflict_reason: str
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):
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super().__init__(
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message=f"Conflict with {resource_type}: {conflict_reason}",
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resource_type=resource_type,
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resource_id=resource_id,
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details={'conflict_reason': conflict_reason},
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user_message=f"Konflikt mit {resource_type}"
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)
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self.status_code = 409
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class ResourceLimitExceeded(ResourceException):
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def __init__(
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self,
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resource_type: str,
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limit: int,
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current: int,
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requested: Optional[int] = None
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):
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details = {
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'limit': limit,
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'current': current,
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'requested': requested
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}
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super().__init__(
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message=f"{resource_type} limit exceeded: {current}/{limit}",
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resource_type=resource_type,
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details=details,
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user_message=f"Limit für {resource_type} überschritten"
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)
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self.status_code = 429
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