Artifacts

from pathlib import Path
from tempfile import TemporaryDirectory

from lazycloud import App, Artifact

app = App("reports")


@app.function()
def create_report(amounts_cents: list[int]) -> str:
    with TemporaryDirectory() as directory:
        path = Path(directory) / "sales.csv"
        path.write_text(f"sales,total_cents\n{len(amounts_cents)},{sum(amounts_cents)}\n")
        artifact = Artifact.file(path)
        artifact.save()
        return artifact.public_url(expires=3600)

uv run lazycloud run report:create_report '[1200, 3500, 800]'

Artifact.file(path, content_type=None, task_id=None)   # an existing file
Artifact.from_file(file_handle, suffix="")              # an open binary handle
Artifact.from_pil_image(image, format="png")            # a PIL image
Artifact(path=path, content_type="text/csv")            # explicit metadata