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35 lines
972 B
Python
35 lines
972 B
Python
from __future__ import annotations
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import typing
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from pathlib import PurePosixPath
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from ._errors import DirectoryNotEmpty
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if typing.TYPE_CHECKING:
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from typing import IO
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from ._base import FS
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def remove_empty(fs: FS, path: str):
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"""Remove all empty parents."""
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path = PurePosixPath(path)
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root = PurePosixPath("/")
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try:
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while path != root:
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fs.removedir(path.as_posix())
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path = path.parent
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except DirectoryNotEmpty:
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pass
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def copy_file_data(src_file: IO, dst_file: IO, chunk_size: int | None = None):
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"""Copy data from one file object to another."""
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_chunk_size = 1024 * 1024 if chunk_size is None else chunk_size
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read = src_file.read
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write = dst_file.write
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# in iter(callable, sentilel), callable is called until it returns the sentinel;
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# this allows to copy `chunk_size` bytes at a time.
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for chunk in iter(lambda: read(_chunk_size) or None, None):
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write(chunk)
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