Current File : //proc/thread-self/root/opt/cloudlinux/venv/lib/python3.11/site-packages/pylint/testutils/utils.py
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
from __future__ import annotations
import contextlib
import os
import sys
from collections.abc import Generator, Iterator
from copy import copy
from pathlib import Path
from typing import TextIO
@contextlib.contextmanager
def _patch_streams(out: TextIO) -> Iterator[None]:
"""Patch and subsequently reset a text stream."""
sys.stderr = sys.stdout = out
try:
yield
finally:
sys.stderr = sys.__stderr__
sys.stdout = sys.__stdout__
@contextlib.contextmanager
def _test_sys_path(
replacement_sys_path: list[str] | None = None,
) -> Generator[None, None, None]:
original_path = sys.path
try:
if replacement_sys_path is not None:
sys.path = copy(replacement_sys_path)
yield
finally:
sys.path = original_path
@contextlib.contextmanager
def _test_cwd(
current_working_directory: str | Path | None = None,
) -> Generator[None, None, None]:
original_dir = os.getcwd()
try:
if current_working_directory is not None:
os.chdir(current_working_directory)
yield
finally:
os.chdir(original_dir)
@contextlib.contextmanager
def _test_environ_pythonpath(
new_pythonpath: str | None = None,
) -> Generator[None, None, None]:
original_pythonpath = os.environ.get("PYTHONPATH")
if new_pythonpath:
os.environ["PYTHONPATH"] = new_pythonpath
elif new_pythonpath is None and original_pythonpath is not None:
# If new_pythonpath is None, make sure to delete PYTHONPATH if present
del os.environ["PYTHONPATH"]
try:
yield
finally:
if original_pythonpath is not None:
os.environ["PYTHONPATH"] = original_pythonpath
elif "PYTHONPATH" in os.environ:
del os.environ["PYTHONPATH"]
def create_files(paths: list[str], chroot: str = ".") -> None:
"""Creates directories and files found in <path>.
:param list paths: list of relative paths to files or directories
:param str chroot: the root directory in which paths will be created
>>> from os.path import isdir, isfile
>>> isdir('/tmp/a')
False
>>> create_files(['a/b/foo.py', 'a/b/c/', 'a/b/c/d/e.py'], '/tmp')
>>> isdir('/tmp/a')
True
>>> isdir('/tmp/a/b/c')
True
>>> isfile('/tmp/a/b/c/d/e.py')
True
>>> isfile('/tmp/a/b/foo.py')
True
"""
dirs, files = set(), set()
for path in paths:
path = os.path.join(chroot, path)
filename = os.path.basename(path)
# path is a directory path
if not filename:
dirs.add(path)
# path is a filename path
else:
dirs.add(os.path.dirname(path))
files.add(path)
for dirpath in dirs:
if not os.path.isdir(dirpath):
os.makedirs(dirpath)
for filepath in files:
with open(filepath, "w", encoding="utf-8"):
pass
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