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setstatus.py: clear reading status argument and make it pep8 conform

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make the part with reading argv resp. interactiv more clear and readable,
remove unused parts from code and make the other pep8 conform.
This commit is contained in:
berhsi 2019-09-19 09:44:52 +02:00
parent b053403836
commit 0c12ce86aa
1 changed files with 14 additions and 22 deletions
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32
setstatus.py
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@ -5,13 +5,13 @@
# date: 26.07.2019 # date: 26.07.2019
# email: berhsi@web.de # email: berhsi@web.de
# client, who connects to the statusserver at port 10001 to update the krautspace # client, who connects to the statusserver at port 10001 to update the
# door status. If no status is given as argument, he reads from stdin until # krautspace door status. If no status is given as argument, he reads from
# input is 0 or 1. # stdin until input is 0 or 1.
import socket import socket
import ssl import ssl
from sys import exit, argv, byteorder from sys import exit, argv
def check_arguments(argv): def check_arguments(argv):
@ -42,7 +42,7 @@ def read_argument():
''' '''
status = None status = None
while status == None: while status is None:
buf = input('Enter new status (0/1): ') buf = input('Enter new status (0/1): ')
if buf == '0' or buf == '1': if buf == '0' or buf == '1':
status = bytes([int(buf)]) status = bytes([int(buf)])
@ -50,7 +50,7 @@ def read_argument():
return status return status
def main(*status): def main():
HOST = 'localhost' HOST = 'localhost'
PORT = 10001 PORT = 10001
@ -58,34 +58,26 @@ def main(*status):
CLIENT_CERT = './certs/client.crt' CLIENT_CERT = './certs/client.crt'
CLIENT_KEY = './certs/client.key' CLIENT_KEY = './certs/client.key'
SERVER_CERT = './certs/server.crt' SERVER_CERT = './certs/server.crt'
BOM = byteorder
STATUS = None STATUS = None
RESPONSE = None RESPONSE = None
if status:
STATUS = status[0]
STATUS = bytes([STATUS])
print('Status: {}'.format(STATUS))
else:
if len(argv) == 1:
STATUS = read_argument()
else:
STATUS = check_arguments(argv) STATUS = check_arguments(argv)
if STATUS == None: while STATUS is None:
STATUS = read_argument() STATUS = read_argument()
context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH, cafile = SERVER_CERT) context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH,
cafile=SERVER_CERT)
context.options &= ~ssl.PROTOCOL_TLS context.options &= ~ssl.PROTOCOL_TLS
context.verify_mode = ssl.CERT_OPTIONAL context.verify_mode = ssl.CERT_OPTIONAL
# context.set_ciphers('HIGHT:!aNULL:!RC4:!DSS') # context.set_ciphers('HIGHT:!aNULL:!RC4:!DSS')
context.load_cert_chain(certfile = CLIENT_CERT, keyfile = CLIENT_KEY) context.load_cert_chain(certfile=CLIENT_CERT, keyfile=CLIENT_KEY)
print('SSL context created') print('SSL context created')
with socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) as mySocket: with socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) as mySocket:
print('Socket created') print('Socket created')
try: try:
conn = context.wrap_socket(mySocket, server_side = False, \ conn = context.wrap_socket(mySocket, server_side=False,
server_hostname = SERVER_NAME) server_hostname=SERVER_NAME)
print('Connection wrapped with ssl.context') print('Connection wrapped with ssl.context')
conn.settimeout(5.0) conn.settimeout(5.0)
except Exception as e: except Exception as e: