65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
from io import BytesIO
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from json import dumps
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from logging import getLogger
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from typing import Optional
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from boto3 import Session
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from PIL import Image
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from ..output import make_output_names
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from ..params import ImageParams, StageParams
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from ..server import ServerContext
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from ..worker import ProgressCallback, WorkerContext
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from .base import BaseStage
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from .result import StageResult
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logger = getLogger(__name__)
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class PersistS3Stage(BaseStage):
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def run(
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self,
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worker: WorkerContext,
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server: ServerContext,
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_stage: StageParams,
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_params: ImageParams,
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sources: StageResult,
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*,
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bucket: str,
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endpoint_url: Optional[str] = None,
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profile_name: Optional[str] = None,
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stage_source: Optional[Image.Image] = None,
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callback: Optional[ProgressCallback] = None,
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**kwargs,
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) -> StageResult:
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session = Session(profile_name=profile_name)
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s3 = session.client("s3", endpoint_url=endpoint_url)
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image_names = make_output_names(server, worker.job, len(sources))
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for source, name in zip(sources.as_images(), image_names):
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data = BytesIO()
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source.save(data, format=server.image_format)
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data.seek(0)
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try:
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s3.upload_fileobj(data, bucket, name)
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logger.info("saved image to s3://%s/%s", bucket, name)
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except Exception:
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logger.exception("error saving image to S3")
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metadata_names = make_output_names(
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server, worker.job, len(sources), extension="json"
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)
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for metadata, name in zip(sources.metadata, metadata_names):
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data = BytesIO()
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data.write(dumps(metadata.tojson(server, [name])))
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data.seek(0)
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try:
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s3.upload_fileobj(data, bucket, name)
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logger.info("saved metadata to s3://%s/%s", bucket, name)
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except Exception:
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logger.exception("error saving metadata to S3")
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return sources
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