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video-gen-api/app/enums/generation_provider.py

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+from enum import StrEnum
+
+
+class GenerationProviderResultType(StrEnum):
+    IMAGE = "image"
+    VIDEO = "video"
+
+
+class GenerationProviderTaskPhase(StrEnum):
+    SUBMITTED = "submitted"
+    POLLING = "polling"
+    RESULT_READY = "result_ready"
+    DOWNLOAD_PENDING = "download_pending"
+    COMPLETED = "completed"
+    FAILED = "failed"
+
+
+class ImageProviderErrorType(StrEnum):
+    TIMEOUT = "timeout"
+    NETWORK = "network"
+    RATE_LIMIT = "rate_limit"
+    AUTH = "auth"
+    INVALID_REQUEST = "invalid_request"
+    CAPABILITY_MISMATCH = "capability_mismatch"
+    CONTENT_REJECTED = "content_rejected"
+    PROVIDER_INTERNAL = "provider_internal"
+    INVALID_RESPONSE = "invalid_response"
+    UNKNOWN = "unknown"
+
+
+IMAGE_MULTI_OUTPUT_MIN = 1
+IMAGE_MULTI_OUTPUT_MAX = 15
+IMAGE_MULTI_REFERENCE_MAX = 14
+IMAGE_PROVIDER_CLAIM_LEASE_SECONDS = 10 * 60
+
+MULTI_IMAGE_PROMPT_TEMPLATE = (
+    "请严格生成恰好{count}张内容相关但画面具有明显差异的图片。"
+    "每张图片必须作为独立图片分别输出，不要把多个画面拼接到同一张图片中，"
+    "不要生成九宫格、分镜图、组合图或包含多张子图的单张图片。"
+)