Split config.py into multiple files (#14038)

* Replace logging.warn with logging.warning

* Install config global state early

* Split config.py into more manageable pieces

frigate/config/camera/genai.py

@@ -0,0 +1,62 @@
+from enum import Enum
+from typing import Optional, Union
+
+from pydantic import BaseModel, Field, field_validator
+
+from ..base import FrigateBaseModel
+from ..env import EnvString
+
+__all__ = ["GenAIConfig", "GenAICameraConfig", "GenAIProviderEnum"]
+
+
+class GenAIProviderEnum(str, Enum):
+    openai = "openai"
+    gemini = "gemini"
+    ollama = "ollama"
+
+
+# uses BaseModel because some global attributes are not available at the camera level
+class GenAICameraConfig(BaseModel):
+    enabled: bool = Field(default=False, title="Enable GenAI for camera.")
+    prompt: str = Field(
+        default="Describe the {label} in the sequence of images with as much detail as possible. Do not describe the background.",
+        title="Default caption prompt.",
+    )
+    object_prompts: dict[str, str] = Field(
+        default_factory=dict, title="Object specific prompts."
+    )
+
+    objects: Union[str, list[str]] = Field(
+        default_factory=list,
+        title="List of objects to run generative AI for.",
+    )
+    required_zones: Union[str, list[str]] = Field(
+        default_factory=list,
+        title="List of required zones to be entered in order to run generative AI.",
+    )
+
+    @field_validator("required_zones", mode="before")
+    @classmethod
+    def validate_required_zones(cls, v):
+        if isinstance(v, str) and "," not in v:
+            return [v]
+
+        return v
+
+
+class GenAIConfig(FrigateBaseModel):
+    enabled: bool = Field(default=False, title="Enable GenAI.")
+    prompt: str = Field(
+        default="Describe the {label} in the sequence of images with as much detail as possible. Do not describe the background.",
+        title="Default caption prompt.",
+    )
+    object_prompts: dict[str, str] = Field(
+        default_factory=dict, title="Object specific prompts."
+    )
+
+    api_key: Optional[EnvString] = Field(default=None, title="Provider API key.")
+    base_url: Optional[str] = Field(default=None, title="Provider base url.")
+    model: str = Field(default="gpt-4o", title="GenAI model.")
+    provider: GenAIProviderEnum = Field(
+        default=GenAIProviderEnum.openai, title="GenAI provider."
+    )