cpython/Lib/test/test_importlib/resources/_path.py

57 lines
1.3 KiB
Python

import pathlib
import functools
from typing import Dict, Union
####
# from jaraco.path 3.4.1
FilesSpec = Dict[str, Union[str, bytes, 'FilesSpec']] # type: ignore
def build(spec: FilesSpec, prefix=pathlib.Path()):
"""
Build a set of files/directories, as described by the spec.
Each key represents a pathname, and the value represents
the content. Content may be a nested directory.
>>> spec = {
... 'README.txt': "A README file",
... "foo": {
... "__init__.py": "",
... "bar": {
... "__init__.py": "",
... },
... "baz.py": "# Some code",
... }
... }
>>> target = getfixture('tmp_path')
>>> build(spec, target)
>>> target.joinpath('foo/baz.py').read_text(encoding='utf-8')
'# Some code'
"""
for name, contents in spec.items():
create(contents, pathlib.Path(prefix) / name)
@functools.singledispatch
def create(content: Union[str, bytes, FilesSpec], path):
path.mkdir(exist_ok=True)
build(content, prefix=path) # type: ignore
@create.register
def _(content: bytes, path):
path.write_bytes(content)
@create.register
def _(content: str, path):
path.write_text(content, encoding='utf-8')
# end from jaraco.path
####