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from __future__ import annotations
import argparse
import os
import sys
from setuptools_scm import _get_version
from setuptools_scm import Configuration
from setuptools_scm._file_finders import find_files
from setuptools_scm.discover import walk_potential_roots
def main(args: list[str] | None = None) -> None:
opts = _get_cli_opts(args)
inferred_root: str = opts.root or "."
pyproject = opts.config or _find_pyproject(inferred_root)
try:
config = Configuration.from_file(
pyproject,
root=(os.path.abspath(opts.root) if opts.root is not None else None),
)
except (LookupError, FileNotFoundError) as ex:
# no pyproject.toml OR no [tool.setuptools_scm]
print(
f"Warning: could not use {os.path.relpath(pyproject)},"
" using default configuration.\n"
f" Reason: {ex}.",
file=sys.stderr,
)
config = Configuration(inferred_root)
version = _get_version(config)
if version is None:
raise SystemExit("ERROR: no version found for", opts)
if opts.strip_dev:
version = version.partition(".dev")[0]
print(version)
if opts.command == "ls":
for fname in find_files(config.root):
print(fname)
def _get_cli_opts(args: list[str] | None) -> argparse.Namespace:
prog = "python -m setuptools_scm"
desc = "Print project version according to SCM metadata"
parser = argparse.ArgumentParser(prog, description=desc)
# By default, help for `--help` starts with lower case, so we keep the pattern:
parser.add_argument(
"-r",
"--root",
default=None,
help='directory managed by the SCM, default: inferred from config file, or "."',
)
parser.add_argument(
"-c",
"--config",
default=None,
metavar="PATH",
help="path to 'pyproject.toml' with setuptools_scm config, "
"default: looked up in the current or parent directories",
)
parser.add_argument(
"--strip-dev",
action="store_true",
help="remove the dev/local parts of the version before printing the version",
)
sub = parser.add_subparsers(title="extra commands", dest="command", metavar="")
# We avoid `metavar` to prevent printing repetitive information
desc = "List files managed by the SCM"
sub.add_parser("ls", help=desc[0].lower() + desc[1:], description=desc)
return parser.parse_args(args)
def _find_pyproject(parent: str) -> str:
for directory in walk_potential_roots(os.path.abspath(parent)):
pyproject = os.path.join(directory, "pyproject.toml")
if os.path.isfile(pyproject):
return pyproject
return os.path.abspath(
"pyproject.toml"
) # use default name to trigger the default errors
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