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Dropped Python2 support; improved code style

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willi
2020-11-05 17:58:43 +01:00
parent e975f579b3
commit 630c777049
1 changed files with 73 additions and 89 deletions
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60
tplink_smartplug.py
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@@ -19,12 +19,11 @@
# limitations under the License.
#
import sys
import socket
import argparse
import socket
from struct import pack
version = 0.3
version = 0.4
# Check if hostname is valid
def validHostname(hostname):
@@ -41,7 +40,7 @@ def validPort(port):
except ValueError:
parser.error("Invalid port number.")
if ((port <= 1024) or (port >65535)) :
if ((port <= 1024) or (port > 65535)):
parser.error("Invalid port number.")
return port
@@ -49,7 +48,7 @@ def validPort(port):
# Predefined Smart Plug Commands
# For a full list of commands, consult tplink_commands.txt
commands = { 'info' : '{"system":{"get_sysinfo":{}}}',
commands = {'info' : '{"system":{"get_sysinfo":{}}}',
'on' : '{"system":{"set_relay_state":{"state":1}}}',
'off' : '{"system":{"set_relay_state":{"state":0}}}',
'ledoff' : '{"system":{"set_led_off":{"off":1}}}',
@@ -67,18 +66,17 @@ commands = { 'info' : '{"system":{"get_sysinfo":{}}}',
# Encryption and Decryption of TP-Link Smart Home Protocol
# XOR Autokey Cipher with starting key = 171
# Python 3.x Version
if sys.version_info[0] > 2:
def encrypt(string):
def encrypt(string):
key = 171
result = pack('>I', len(string))
result = pack(">I", len(string))
for i in string:
a = key ^ ord(i)
key = a
result += bytes([a])
return result
def decrypt(string):
def decrypt(string):
key = 171
result = ""
for i in string:
@@ -87,35 +85,22 @@ if sys.version_info[0] > 2:
result += chr(a)
return result
# Python 2.x Version
else:
def encrypt(string):
key = 171
result = pack('>I', len(string))
for i in string:
a = key ^ ord(i)
key = a
result += chr(a)
return result
def decrypt(string):
key = 171
result = ""
for i in string:
a = key ^ ord(i)
key = ord(i)
result += chr(a)
return result
# Parse commandline arguments
parser = argparse.ArgumentParser(description="TP-Link Wi-Fi Smart Plug Client v" + str(version))
parser.add_argument("-t", "--target", metavar="<hostname>", required=True, help="Target hostname or IP address", type=validHostname)
parser.add_argument("-p", "--port", metavar="<port>", default=9999, required=False, help="Target port", type=validPort)
parser.add_argument("-q", "--quiet", dest='quiet', action='store_true', help="Only show result")
parser.add_argument("--timeout", default=10, required=False, help="Timeout to establish connection")
parser = argparse.ArgumentParser(description=f"TP-Link Wi-Fi Smart Plug Client v{version}")
parser.add_argument("-t", "--target", metavar="<hostname>", required=True,
help="Target hostname or IP address", type=validHostname)
parser.add_argument("-p", "--port", metavar="<port>", default=9999,
required=False, help="Target port", type=validPort)
parser.add_argument("-q", "--quiet", dest="quiet", action="store_true",
help="Only show result")
parser.add_argument("--timeout", default=10, required=False,
help="Timeout to establish connection")
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument("-c", "--command", metavar="<command>", help="Preset command to send. Choices are: "+", ".join(commands), choices=commands)
group.add_argument("-j", "--json", metavar="<JSON string>", help="Full JSON string of command to send")
group.add_argument("-c", "--command", metavar="<command>",
help="Preset command to send. Choices are: "+", ".join(commands), choices=commands)
group.add_argument("-j", "--json", metavar="<JSON string>",
help="Full JSON string of command to send")
args = parser.parse_args()
@@ -128,7 +113,6 @@ else:
cmd = commands[args.command]
# Send command and receive reply
try:
sock_tcp = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -148,4 +132,4 @@ try:
print("Received: ", decrypted)
except socket.error:
quit("Could not connect to host " + ip + ":" + str(port))
quit(f"Could not connect to host {ip}:{port}")