58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
import sys
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import threading
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from functools import wraps, partial
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from http.server import SimpleHTTPRequestHandler
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import pytest
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import torch.multiprocessing as mp
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def pytest_configure(config):
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config.addinivalue_line("markers", "spawn: spawn test in a separate process using torch.multiprocessing.spawn")
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@pytest.mark.tryfirst
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def pytest_pyfunc_call(pyfuncitem):
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if pyfuncitem.get_closest_marker("spawn"):
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testfunction = pyfuncitem.obj
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funcargs = pyfuncitem.funcargs
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testargs = tuple([funcargs[arg] for arg in pyfuncitem._fixtureinfo.argnames])
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mp.spawn(wraps, (testfunction, testargs))
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return True
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@pytest.fixture
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def tmpdir_server(tmpdir):
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if sys.version_info >= (3, 7):
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Handler = partial(SimpleHTTPRequestHandler, directory=str(tmpdir))
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from http.server import ThreadingHTTPServer
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else:
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# unfortunately SimpleHTTPRequestHandler doesn't accept the directory arg in python3.6
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# so we have to hack it like this
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import os
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class Handler(SimpleHTTPRequestHandler):
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def translate_path(self, path):
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# get the path from cwd
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path = super().translate_path(path)
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# get the relative path
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relpath = os.path.relpath(path, os.getcwd())
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# return the full path from root_dir
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return os.path.join(str(tmpdir), relpath)
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# ThreadingHTTPServer was added in 3.7, so we need to define it ourselves
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from socketserver import ThreadingMixIn
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from http.server import HTTPServer
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class ThreadingHTTPServer(ThreadingMixIn, HTTPServer):
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daemon_threads = True
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with ThreadingHTTPServer(('localhost', 0), Handler) as server:
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server_thread = threading.Thread(target=server.serve_forever)
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# Exit the server thread when the main thread terminates
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server_thread.daemon = True
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server_thread.start()
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yield server.server_address
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server.shutdown()
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