| import os |
| from typing import List, Optional, Union |
| try: |
| from pydantic_settings import BaseSettings, SettingsConfigDict |
| except ImportError: |
| from pydantic import BaseModel |
| class BaseSettings(BaseModel): |
| def __init__(self, **kwargs): |
| env_kwargs = {} |
| for field_name, field_info in self.model_fields.items(): |
| alias = getattr(field_info, 'alias', None) |
| keys_to_check = [k for k in [alias, field_name.upper(), field_name] if k] |
| for k in keys_to_check: |
| if k in os.environ: |
| env_kwargs[field_name] = os.environ[k] |
| break |
| env_kwargs.update(kwargs) |
| super().__init__(**env_kwargs) |
| SettingsConfigDict = dict |
| from pydantic import Field, field_validator |
|
|
|
|
| class Settings(BaseSettings): |
| |
| app_env: str = Field(default="production", alias="APP_ENV") |
| app_name: str = "CropAI Cloud Inference Backend" |
| app_version: str = "1.2.0" |
| debug: bool = Field(default=False, alias="DEBUG") |
|
|
| |
| host: str = Field(default="0.0.0.0", alias="HOST") |
| port: int = Field(default=8000, alias="PORT") |
| allowed_origins: Union[List[str], str] = Field( |
| default=["*"], |
| alias="ALLOWED_ORIGINS" |
| ) |
|
|
| |
| gemini_api_key: Optional[str] = Field(default=None, alias="GEMINI_API_KEY") |
| gemini_model_name: str = Field(default="gemini-3.8-flash", alias="GEMINI_MODEL_NAME") |
|
|
| |
| primary_hf_model: str = Field( |
| default="linkanjarad/mobilenet_v2_1.0_224-plant-disease-identification", |
| alias="PRIMARY_HF_MODEL" |
| ) |
| rice_hf_model: str = Field( |
| default="prithivMLmods/Rice-Leaf-Disease", |
| alias="RICE_HF_MODEL" |
| ) |
| enable_warmup: bool = True |
| max_image_size_mb: int = Field(default=15, alias="MAX_IMAGE_SIZE_MB") |
| confidence_threshold_warning: float = 0.70 |
|
|
| |
| rate_limit_per_minute: int = Field(default=120, alias="RATE_LIMIT_PER_MINUTE") |
| secret_key: str = Field(default="cropai-secret-key-prod-2026", alias="SECRET_KEY") |
|
|
| |
| kisan_helpline: str = "+918817814859" |
| expert_whatsapp: str = "+918817814859" |
|
|
| |
| gcp_project_id: Optional[str] = Field(default=None, alias="GCP_PROJECT_ID") |
| firestore_collection_tickets: str = "cropai_expert_tickets" |
| firestore_collection_diagnoses: str = "cropai_diagnoses" |
|
|
| @property |
| def cors_origins(self) -> List[str]: |
| if isinstance(self.allowed_origins, str): |
| return [o.strip() for o in self.allowed_origins.split(",") if o.strip()] |
| return self.allowed_origins |
|
|
| model_config = SettingsConfigDict( |
| env_file=os.path.join(os.path.dirname(__file__), ".env"), |
| env_file_encoding="utf-8", |
| extra="ignore" |
| ) |
|
|
|
|
| settings = Settings() |
|
|
