spaCy/spacy/cli/project/clone.py
Sofie Van Landeghem 6bfb1b3a29
Fix sparse checkout for 'spacy project' (#6008)
* exit if cloning fails

* UX

* rewrite http link to git protocol, don't use stdin

* fixes to sparse checkout

* formatting
2020-09-01 19:49:01 +02:00

85 lines
3.3 KiB
Python

from typing import Optional
from pathlib import Path
from wasabi import msg
import subprocess
import re
from ... import about
from ...util import ensure_path
from .._util import project_cli, Arg, Opt, COMMAND, PROJECT_FILE
from .._util import git_sparse_checkout
@project_cli.command("clone")
def project_clone_cli(
# fmt: off
name: str = Arg(..., help="The name of the template to clone"),
dest: Optional[Path] = Arg(None, help="Where to clone the project. Defaults to current working directory", exists=False),
repo: str = Opt(about.__projects__, "--repo", "-r", help="The repository to clone from"),
# fmt: on
):
"""Clone a project template from a repository. Calls into "git" and will
only download the files from the given subdirectory. The GitHub repo
defaults to the official spaCy template repo, but can be customized
(including using a private repo).
"""
if dest is None:
dest = Path.cwd() / name
project_clone(name, dest, repo=repo)
def project_clone(name: str, dest: Path, *, repo: str = about.__projects__) -> None:
"""Clone a project template from a repository.
name (str): Name of subdirectory to clone.
dest (Path): Destination path of cloned project.
repo (str): URL of Git repo containing project templates.
"""
dest = ensure_path(dest)
check_clone(name, dest, repo)
project_dir = dest.resolve()
repo_name = re.sub(r"(http(s?)):\/\/github.com/", "", repo)
try:
git_sparse_checkout(repo, name, dest)
except subprocess.CalledProcessError:
err = f"Could not clone '{name}' from repo '{repo_name}'"
msg.fail(err, exits=1)
msg.good(f"Cloned '{name}' from {repo_name}", project_dir)
if not (project_dir / PROJECT_FILE).exists():
msg.warn(f"No {PROJECT_FILE} found in directory")
else:
msg.good(f"Your project is now ready!")
print(f"To fetch the assets, run:\n{COMMAND} project assets {dest}")
def check_clone(name: str, dest: Path, repo: str) -> None:
"""Check and validate that the destination path can be used to clone. Will
check that Git is available and that the destination path is suitable.
name (str): Name of the directory to clone from the repo.
dest (Path): Local destination of cloned directory.
repo (str): URL of the repo to clone from.
"""
try:
subprocess.run(["git", "--version"], stdout=subprocess.DEVNULL)
except Exception:
msg.fail(
f"Cloning spaCy project templates requires Git and the 'git' command. ",
f"To clone a project without Git, copy the files from the '{name}' "
f"directory in the {repo} to {dest} manually and then run:",
f"{COMMAND} project init {dest}",
exits=1,
)
if not dest:
msg.fail(f"Not a valid directory to clone project: {dest}", exits=1)
if dest.exists():
# Directory already exists (not allowed, clone needs to create it)
msg.fail(f"Can't clone project, directory already exists: {dest}", exits=1)
if not dest.parent.exists():
# We're not creating parents, parent dir should exist
msg.fail(
f"Can't clone project, parent directory doesn't exist: {dest.parent}. "
f"Create the necessary folder(s) first before continuing.",
exits=1,
)