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import os
import subprocess
import threading
import socket
HEADER = 64
PORT = 6011
SERVER = 'localhost'
ADDR = (SERVER, PORT)
FORMAT = 'utf-8'
DISCONNECT_MESSAGE = b'!DISSCONNECT'
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(ADDR)
def establish_connection(mutable = {}):
server.listen()
conn, addr = server.accept()
mutable['conn'] = conn
mutable['addr'] = addr
return conn, addr
def send_msg(conn, msg):
data = bytes(msg, FORMAT)
data += b' ' * (HEADER - len(data))
conn.send(data)
def recv_msg(conn):
msg = conn.recv(HEADER).strip()
return msg
def terminate_connection(conn):
conn.close()
def execute_source_file(file_name):
ext = file_name.split('.')
if ext[1] == 'py': cmd = 'Python'
elif ext[1] == 'r': cmd = 'RScript'
subprocess.run(
f'{cmd} {file_name}',
cwd = os.getcwd(),
start_new_session = True
)
def launch_and_connect(file_name, CONN):
mutable = {}
connect_ = threading.Thread(target=establish_connection, args=[mutable])
launch_ = threading.Thread(target=execute_source_file, args=[file_name])
connect_.start()
launch_.start()
connect_.join()
conn = mutable['conn']
addr = mutable['addr']
CONN['conn'] = mutable['conn']
CONN['addr'] = mutable['addr']
return conn, addr
def disconnect_and_close(file_name):
pass
CONN_PY = {}
src_fil_py = threading.Thread(target=launch_and_connect, args=['source_file.py', CONN_PY])
#src_fil_r = threading.Thread(target=execute_source_file, args=['source_file.r'])
#src_fil_r.start()
src_fil_py.start()
#src_fil_r.join()
src_fil_py.join()
conn_py = CONN_PY['conn']
msg = recv_msg(conn_py)
print(msg)
msg = "goodbye"
send_msg(conn_py, msg)
print("end launcher")
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