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ContentGeneration/s3_video_storage.py
2026-04-01 12:54:51 +02:00

72 lines
2.5 KiB
Python

from __future__ import annotations
from dataclasses import dataclass
from datetime import datetime, timezone
from pathlib import Path
from typing import Any, Mapping
import boto3
@dataclass(frozen=True)
class S3Config:
bucket_name: str
region_name: str | None = None
endpoint_url: str | None = None
aws_access_key_id: str | None = None
aws_secret_access_key: str | None = None
aws_session_token: str | None = None
class S3VideoStorage:
def __init__(self, s3_config: S3Config | Mapping[str, Any]) -> None:
self.config = self._normalize_config(s3_config)
client_kwargs: dict[str, Any] = {
"region_name": self.config.region_name,
"endpoint_url": self.config.endpoint_url,
"aws_access_key_id": self.config.aws_access_key_id,
"aws_secret_access_key": self.config.aws_secret_access_key,
"aws_session_token": self.config.aws_session_token,
}
filtered_kwargs = {k: v for k, v in client_kwargs.items() if v is not None}
self._s3_client = boto3.client("s3", **filtered_kwargs)
def store_file(self, file_path: str | Path) -> str:
path = Path(file_path)
if not path.exists():
raise FileNotFoundError(f"File does not exist: {path}")
if not path.is_file():
raise ValueError(f"Path is not a file: {path}")
now = datetime.now(timezone.utc)
key = f"video_content/{now.year:04d}/{now.month:02d}/{now.day:02d}/{path.name}"
self._s3_client.upload_file(str(path), self.config.bucket_name, key)
return f"s3://{self.config.bucket_name}/{key}"
@staticmethod
def _normalize_config(s3_config: S3Config | Mapping[str, Any]) -> S3Config:
if isinstance(s3_config, S3Config):
return s3_config
bucket_name = s3_config.get("bucket_name")
if not bucket_name:
raise ValueError("s3_config must contain non-empty 'bucket_name'")
return S3Config(
bucket_name=str(bucket_name),
region_name=_optional_str(s3_config, "region_name"),
endpoint_url=_optional_str(s3_config, "endpoint_url"),
aws_access_key_id=_optional_str(s3_config, "aws_access_key_id"),
aws_secret_access_key=_optional_str(s3_config, "aws_secret_access_key"),
aws_session_token=_optional_str(s3_config, "aws_session_token"),
)
def _optional_str(config: Mapping[str, Any], key: str) -> str | None:
value = config.get(key)
if value is None:
return None
return str(value)