dify

dify/api/controllers/web/error.py

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+from libs.exception import BaseHTTPException
+
+
+class AppUnavailableError(BaseHTTPException):
+    error_code = "app_unavailable"
+    description = "App unavailable, please check your app configurations."
+    code = 400
+
+
+class NotCompletionAppError(BaseHTTPException):
+    error_code = "not_completion_app"
+    description = "Please check if your Completion app mode matches the right API route."
+    code = 400
+
+
+class NotChatAppError(BaseHTTPException):
+    error_code = "not_chat_app"
+    description = "Please check if your app mode matches the right API route."
+    code = 400
+
+
+class NotWorkflowAppError(BaseHTTPException):
+    error_code = "not_workflow_app"
+    description = "Please check if your Workflow app mode matches the right API route."
+    code = 400
+
+
+class ConversationCompletedError(BaseHTTPException):
+    error_code = "conversation_completed"
+    description = "The conversation has ended. Please start a new conversation."
+    code = 400
+
+
+class ProviderNotInitializeError(BaseHTTPException):
+    error_code = "provider_not_initialize"
+    description = (
+        "No valid model provider credentials found. "
+        "Please go to Settings -> Model Provider to complete your provider credentials."
+    )
+    code = 400
+
+
+class ProviderQuotaExceededError(BaseHTTPException):
+    error_code = "provider_quota_exceeded"
+    description = (
+        "Your quota for Dify Hosted OpenAI has been exhausted. "
+        "Please go to Settings -> Model Provider to complete your own provider credentials."
+    )
+    code = 400
+
+
+class ProviderModelCurrentlyNotSupportError(BaseHTTPException):
+    error_code = "model_currently_not_support"
+    description = "Dify Hosted OpenAI trial currently not support the GPT-4 model."
+    code = 400
+
+
+class CompletionRequestError(BaseHTTPException):
+    error_code = "completion_request_error"
+    description = "Completion request failed."
+    code = 400
+
+
+class AppMoreLikeThisDisabledError(BaseHTTPException):
+    error_code = "app_more_like_this_disabled"
+    description = "The 'More like this' feature is disabled. Please refresh your page."
+    code = 403
+
+
+class AppSuggestedQuestionsAfterAnswerDisabledError(BaseHTTPException):
+    error_code = "app_suggested_questions_after_answer_disabled"
+    description = "The 'Suggested Questions After Answer' feature is disabled. Please refresh your page."
+    code = 403
+
+
+class NoAudioUploadedError(BaseHTTPException):
+    error_code = "no_audio_uploaded"
+    description = "Please upload your audio."
+    code = 400
+
+
+class AudioTooLargeError(BaseHTTPException):
+    error_code = "audio_too_large"
+    description = "Audio size exceeded. {message}"
+    code = 413
+
+
+class UnsupportedAudioTypeError(BaseHTTPException):
+    error_code = "unsupported_audio_type"
+    description = "Audio type not allowed."
+    code = 415
+
+
+class ProviderNotSupportSpeechToTextError(BaseHTTPException):
+    error_code = "provider_not_support_speech_to_text"
+    description = "Provider not support speech to text."
+    code = 400
+
+
+class WebAppAuthRequiredError(BaseHTTPException):
+    error_code = "web_sso_auth_required"
+    description = "Web app authentication required."
+    code = 401
+
+
+class WebAppAuthAccessDeniedError(BaseHTTPException):
+    error_code = "web_app_access_denied"
+    description = "You do not have permission to access this web app."
+    code = 401
+
+
+class InvokeRateLimitError(BaseHTTPException):
+    """Raised when the Invoke returns rate limit error."""
+
+    error_code = "rate_limit_error"
+    description = "Rate Limit Error"
+    code = 429
+
+
+class NotFoundError(BaseHTTPException):
+    error_code = "not_found"
+    code = 404
+
+
+class InvalidArgumentError(BaseHTTPException):
+    error_code = "invalid_param"
+    code = 400