Quick proof-of-concept reimplementation of am for Termux over a socket

am.py

#!/data/data/com.termux/files/usr/bin/env python3
import sys
from socket import socket, AF_UNIX, SOCK_STREAM, timeout, SOL_SOCKET, SO_PEERCRED, SHUT_WR


c = socket(AF_UNIX, SOCK_STREAM)
c.connect("/data/data/com.termux/files/am-socket")
c.shutdown(SHUT_WR)

for i in sys.argv[1:]:
    c.sendall(bytes('"'+i+'" ',"utf-8"))
c.sendall(bytes("\0", "utf-8"))

buff = b''
b = b''
ret = 0
try:
    while True:
        b = c.recv(4096)
        buff += b
        if len(b) == 0:
            break
except ConnectionResetError:
    pass
except BrokenPipeError:
    pass
retstr = str(buff, "utf-8")
l = retstr.split("\0")
retval = int(l[0])
out = l[1]
err = l[2]


print(out, end='', flush=True)
print(err, end='', flush=True, file=sys.stderr)


sys.exit(retval)