Remove the pidproxy.py file.

core/assets/pidproxy.py

@@ -1,80 +0,0 @@
-#!/usr/bin/env python
-
-"""An executable which proxies for a subprocess; upon a signal, it sends that
-signal to the process identified by a pidfile.
-
-This is a modified version of the pidproxy.py from supervisor's repository,
-which can be found at:
-
-https://github.com/Supervisor/supervisor/blob/master/supervisor/pidproxy.py
-"""
-
-import os
-import sys
-import signal
-import time
-from subprocess import run
-
-
-# The sleep time before the watcher checks if the mailman process is still
-# living.
-SLEEP_TIME = 5
-
-
-class PidProxy:
-    pid = None
-
-    def __init__(self, args):
-        self.setsignals()
-        try:
-            self.pidfile, cmdargs = args[1], args[2:]
-            self.pidfile = os.path.abspath(self.pidfile)
-            self.args = cmdargs
-        except (ValueError, IndexError):
-            self.usage()
-            sys.exit(1)
-
-    def go(self):
-        run(self.args)
-        time.sleep(2)
-        with open(self.pidfile, 'r') as f:
-            self.pid = int(f.read().strip())
-        while 1:
-            time.sleep(SLEEP_TIME)
-            try:
-                pid, sts = os.waitpid(-2, os.WNOHANG)
-            except OSError:
-                pid, sts = None, None
-            if pid:
-                break
-
-    def usage(self):
-        print("pidproxy.py <pidfile name> <command> [<cmdarg1> ...]")
-
-    def setsignals(self):
-        signal.signal(signal.SIGTERM, self.passtochild)
-        signal.signal(signal.SIGHUP, self.passtochild)
-        signal.signal(signal.SIGINT, self.passtochild)
-        signal.signal(signal.SIGUSR1, self.passtochild)
-        signal.signal(signal.SIGUSR2, self.passtochild)
-        signal.signal(signal.SIGQUIT, self.passtochild)
-        signal.signal(signal.SIGCHLD, self.reap)
-
-    def reap(self, sig, frame):
-        # do nothing, we reap our child synchronously
-        pass
-
-    def passtochild(self, sig, frame):
-        if self.pid is None:
-            sys.exit(1)
-        os.kill(self.pid, sig)
-        if sig in [signal.SIGTERM, signal.SIGINT, signal.SIGQUIT]:
-            sys.exit(0)
-
-
-def main():
-    pp = PidProxy(sys.argv)
-    pp.go()
-
-if __name__ == '__main__':
-    main()