mirror of
https://github.com/ClickHouse/ClickHouse.git
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60 lines
1.3 KiB
Python
60 lines
1.3 KiB
Python
import contextlib
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import multiprocessing
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import os
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import shutil
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import sys
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import socket
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import tempfile
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import threading
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@contextlib.contextmanager
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def temp_dir():
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path = tempfile.mkdtemp(dir=os.environ.get('TEMP'))
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try:
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yield path
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finally:
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shutil.rmtree(path)
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@contextlib.contextmanager
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def autoremoved_file(path):
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try:
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with open(path, 'w') as handle:
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yield handle
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finally:
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os.unlink(path)
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@contextlib.contextmanager
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def cd(new_cwd):
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old_cwd = os.getcwd()
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os.chdir(new_cwd)
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try:
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yield
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finally:
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os.chdir(old_cwd)
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def get_free_port():
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with contextlib.closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
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s.bind(('', 0))
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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return s.getsockname()[1]
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def run_function_in_parallel(func, args_list, threads=False):
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processes = []
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exit_code = 0
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for task in args_list:
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cls = threading.Thread if threads else multiprocessing.Process
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processes.append(cls(target=func, args=task))
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processes[-1].start()
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for process in processes:
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process.join()
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if not threads:
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if process.exitcode and not exit_code:
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exit_code = process.exitcode
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if exit_code:
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sys.exit(exit_code)
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