def is_venv_python(interpreter: os.PathLike) -> bool:
"""Check if the given interpreter path is from a virtualenv"""
interpreter = Path(interpreter)
if interpreter.parent.parent.joinpath("pyvenv.cfg").exists():
return True
if os.getenv("VIRTUAL_ENV"):
try:
interpreter.relative_to(os.getenv("VIRTUAL_ENV"))
except ValueError:
pass
else:
return True
return False
def encode_path(path: PathLike) -> str:
'''
Convert a path-like object to a artifact-root-directory-relative path
string (a string starting with "@/").
'''
root = active_root.get().resolve()
dots: List[str] = []
path = Path(path).resolve()
while root not in (*path.parents, path):
root = root.parent
dots.append('..')
return '@/' + '/'.join(Path(*dots, path.relative_to(root)).parts)
def create_symlink(source_filename: PathLike,
symlink_filename: PathLike,
relative: bool = False):
"""
:param source_filename: path to point to
:param symlink_filename: path at which to create symlink
:param relative: make symlink relative to source location
"""
if not isinstance(source_filename, Path):
source_filename = Path(source_filename)
if not isinstance(symlink_filename, Path):
symlink_filename = Path(symlink_filename)
if symlink_filename.is_symlink():
logging.debug(f'removing symlink "{symlink_filename}"')
os.remove(symlink_filename)
symlink_filename = symlink_filename.parent.absolute().resolve(
) / symlink_filename.name
starting_directory = None
if relative:
starting_directory = Path().cwd().resolve()
os.chdir(symlink_filename.parent)
if source_filename.is_absolute():
try:
source_filename = source_filename.relative_to(
symlink_filename.parent)
except ValueError as error:
warnings.warn(error)
os.chdir(starting_directory)
else:
source_filename = source_filename.absolute()
try:
symlink_filename.symlink_to(source_filename)
except Exception as error:
warnings.warn(f'could not create symbolic link: {error}')
shutil.copyfile(source_filename, symlink_filename)
if starting_directory is not None:
os.chdir(starting_directory)