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19429c3ad7
This avoids unnecessary polling delays, quadratic string operations, and hardcoded paths in /tmp. Signed-off-by: Anders Kaseorg <andersk@mit.edu>
61 lines
1.7 KiB
Python
Executable File
61 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
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import itertools
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import os
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import signal
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import subprocess
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import sys
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import types
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from typing import Tuple
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from lib import sanity_check
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sanity_check.check_venv(__file__)
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TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
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def start_server(run_dev: subprocess.Popen) -> Tuple[bool, str]:
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failure = False
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i = 0
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def on_timer(signum: int, frame: types.FrameType) -> None:
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nonlocal failure, i
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print("{}. Polling run-dev...".format(i))
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i += 1
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if i == 200:
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failure = True
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run_dev.send_signal(signal.SIGINT)
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signal.setitimer(signal.ITIMER_REAL, 0, 0)
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key = "Quit the server with CTRL-C.\n"
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old_handler = signal.signal(signal.SIGALRM, on_timer)
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signal.setitimer(signal.ITIMER_REAL, 0.5, 0.5)
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log1, log2 = itertools.tee(run_dev.stdout)
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if key not in log1:
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failure = True
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elif not failure:
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run_dev.send_signal(signal.SIGINT)
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signal.setitimer(signal.ITIMER_REAL, 0, 0)
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signal.signal(signal.SIGALRM, old_handler)
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return failure, ''.join(log2)
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if __name__ == '__main__':
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print("Testing development server start!")
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with subprocess.Popen(
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[os.path.join(TOOLS_DIR, "run-dev.py")],
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bufsize=1, # line buffered
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stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
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universal_newlines=True) as run_dev:
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failure, log = start_server(run_dev)
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if 'Traceback' in log:
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failure = True
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if failure:
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print("Development server is not working properly:")
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print(log)
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sys.exit(1)
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else:
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print("Development server is working properly.")
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sys.exit(0)
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