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59 lines
2.5 KiB
Python
59 lines
2.5 KiB
Python
from pathlib import Path
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from wasabi import msg
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from .remote_storage import RemoteStorage
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from .remote_storage import get_command_hash
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from .._util import project_cli, Arg
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from .._util import load_project_config
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from .run import update_lockfile
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@project_cli.command("pull")
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def project_pull_cli(
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# fmt: off
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remote: str = Arg("default", help="Name or path of remote storage"),
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project_dir: Path = Arg(Path.cwd(), help="Location of project directory. Defaults to current working directory.", exists=True, file_okay=False),
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# fmt: on
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):
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"""Retrieve available precomputed outputs from a remote storage.
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You can alias remotes in your project.yml by mapping them to storage paths.
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A storage can be anything that the smart-open library can upload to, e.g.
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AWS, Google Cloud Storage, SSH, local directories etc.
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DOCS: https://nightly.spacy.io/api/cli#project-pull
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"""
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for url, output_path in project_pull(project_dir, remote):
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if url is not None:
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msg.good(f"Pulled {output_path} from {url}")
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def project_pull(project_dir: Path, remote: str, *, verbose: bool = False):
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# TODO: We don't have tests for this :(. It would take a bit of mockery to
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# set up. I guess see if it breaks first?
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config = load_project_config(project_dir)
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if remote in config.get("remotes", {}):
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remote = config["remotes"][remote]
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storage = RemoteStorage(project_dir, remote)
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commands = list(config.get("commands", []))
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# We use a while loop here because we don't know how the commands
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# will be ordered. A command might need dependencies from one that's later
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# in the list.
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while commands:
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for i, cmd in enumerate(list(commands)):
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deps = [project_dir / dep for dep in cmd.get("deps", [])]
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if all(dep.exists() for dep in deps):
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cmd_hash = get_command_hash("", "", deps, cmd["script"])
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for output_path in cmd.get("outputs", []):
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url = storage.pull(output_path, command_hash=cmd_hash)
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yield url, output_path
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out_locs = [project_dir / out for out in cmd.get("outputs", [])]
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if all(loc.exists() for loc in out_locs):
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update_lockfile(project_dir, cmd)
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# We remove the command from the list here, and break, so that
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# we iterate over the loop again.
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commands.pop(i)
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break
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else:
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# If we didn't break the for loop, break the while loop.
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break
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