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aoc2023/monitor.py

40 lines
1.0 KiB
Python
Executable File

#!/usr/bin/env python
import hashlib
import time
import subprocess
import sys
def get_file_hash(filename):
hasher = hashlib.sha256()
with open(filename, 'rb') as f:
hasher.update(f.read())
return hasher.hexdigest()
def main(script_name, interval=1):
last_hash = None
process = None
while True:
try:
current_hash = get_file_hash(script_name)
if current_hash != last_hash:
last_hash = current_hash
if process and process.poll() is None:
process.terminate()
print(f"Detected change in {script_name}, running script...")
process = subprocess.Popen(['pypy3', script_name], shell=False)
time.sleep(interval)
except KeyboardInterrupt:
if process:
process.terminate()
break
except FileNotFoundError:
print("The file was not found. Make sure the script name is correct.")
break
if __name__ == "__main__":
main(sys.argv[1])