Major update of all demo programs to use new PEP8 bindings, etc
This commit is contained in:
PySimpleGUI
parent
3f7c87c562
commit
7f52778bcc
307 changed files with 19546 additions and 3297 deletions
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@ -1,17 +1,11 @@
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#!/usr/bin/env python
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import sys
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if sys.version_info[0] >= 3:
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import PySimpleGUI as sg
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else:
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import PySimpleGUI27 as sg
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from threading import Thread
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import time
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from sys import exit as exit
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# !/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from sys import exit as exit
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from threading import Thread
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import PySimpleGUI as sg
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import time
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"""
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A pure python ping implementation using raw sockets.
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@ -217,7 +211,13 @@ from sys import exit as exit
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# =============================================================================#
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import argparse
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import os, sys, socket, struct, select, time, signal
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import os
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import sys
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import socket
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import struct
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import select
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import time
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import signal
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__description__ = 'A pure python ICMP ping implementation using raw sockets.'
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@ -265,7 +265,7 @@ def checksum(source_string):
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Network data is big-endian, hosts are typically little-endian
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"""
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countTo = (int(len(source_string) / 2)) * 2
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sum = 0
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sum_val = 0
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count = 0
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# Handle bytes in pairs (decoding as short ints)
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@ -279,9 +279,9 @@ def checksum(source_string):
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loByte = source_string[count + 1]
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hiByte = source_string[count]
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try: # For Python3
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sum = sum + (hiByte * 256 + loByte)
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sum_val = sum_val + (hiByte * 256 + loByte)
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except: # For Python2
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sum = sum + (ord(hiByte) * 256 + ord(loByte))
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sum_val = sum_val + (ord(hiByte) * 256 + ord(loByte))
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count += 2
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# Handle last byte if applicable (odd-number of bytes)
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@ -289,16 +289,16 @@ def checksum(source_string):
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if countTo < len(source_string): # Check for odd length
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loByte = source_string[len(source_string) - 1]
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try: # For Python3
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sum += loByte
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sum_val += loByte
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except: # For Python2
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sum += ord(loByte)
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sum_val += ord(loByte)
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sum &= 0xffffffff # Truncate sum to 32 bits (a variance from ping.c, which
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sum_val &= 0xffffffff # Truncate sum_val to 32 bits (a variance from ping.c, which
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# uses signed ints, but overflow is unlikely in ping)
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sum = (sum >> 16) + (sum & 0xffff) # Add high 16 bits to low 16 bits
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sum += (sum >> 16) # Add carry from above (if any)
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answer = ~sum & 0xffff # Invert and truncate to 16 bits
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sum_val = (sum_val >> 16) + (sum_val & 0xffff) # Add high 16 bits to low 16 bits
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sum_val += (sum_val >> 16) # Add carry from above (if any)
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answer = ~sum_val & 0xffff # Invert and truncate to 16 bits
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answer = socket.htons(answer)
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return answer
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@ -312,7 +312,8 @@ def do_one(myStats, destIP, hostname, timeout, mySeqNumber, packet_size, quiet=F
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delay = None
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try: # One could use UDP here, but it's obscure
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mySocket = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.getprotobyname("icmp"))
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mySocket = socket.socket(
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socket.AF_INET, socket.SOCK_RAW, socket.getprotobyname("icmp"))
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except socket.error as e:
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print("failed. (socket error: '%s')" % e.args[1])
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raise # raise the original error
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@ -326,7 +327,8 @@ def do_one(myStats, destIP, hostname, timeout, mySeqNumber, packet_size, quiet=F
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myStats.pktsSent += 1
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recvTime, dataSize, iphSrcIP, icmpSeqNumber, iphTTL = receive_one_ping(mySocket, my_ID, timeout)
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recvTime, dataSize, iphSrcIP, icmpSeqNumber, iphTTL = receive_one_ping(
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mySocket, my_ID, timeout)
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mySocket.close()
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@ -335,7 +337,7 @@ def do_one(myStats, destIP, hostname, timeout, mySeqNumber, packet_size, quiet=F
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if not quiet:
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print("%d bytes from %s: icmp_seq=%d ttl=%d time=%d ms" % (
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dataSize, socket.inet_ntoa(struct.pack("!I", iphSrcIP)), icmpSeqNumber, iphTTL, delay)
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)
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)
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myStats.pktsRcvd += 1
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myStats.totTime += delay
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if myStats.minTime > delay:
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@ -361,9 +363,7 @@ def send_one_ping(mySocket, destIP, myID, mySeqNumber, packet_size):
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myChecksum = 0
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# Make a dummy heder with a 0 checksum.
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header = struct.pack(
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"!BBHHH", ICMP_ECHO, 0, myChecksum, myID, mySeqNumber
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)
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header = struct.pack("!BBHHH", ICMP_ECHO, 0, myChecksum, myID, mySeqNumber )
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padBytes = []
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startVal = 0x42
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@ -385,16 +385,15 @@ def send_one_ping(mySocket, destIP, myID, mySeqNumber, packet_size):
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# Now that we have the right checksum, we put that in. It's just easier
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# to make up a new header than to stuff it into the dummy.
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header = struct.pack(
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"!BBHHH", ICMP_ECHO, 0, myChecksum, myID, mySeqNumber
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)
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header = struct.pack("!BBHHH", ICMP_ECHO, 0, myChecksum, myID, mySeqNumber )
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packet = header + data
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sendTime = default_timer()
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try:
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mySocket.sendto(packet, (destIP, 1)) # Port number is irrelevant for ICMP
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# Port number is irrelevant for ICMP
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mySocket.sendto(packet, (destIP, 1))
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except socket.error as e:
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print("General failure (%s)" % (e.args[1]))
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return
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@ -422,16 +421,14 @@ def receive_one_ping(mySocket, myID, timeout):
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ipHeader = recPacket[:20]
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iphVersion, iphTypeOfSvc, iphLength, \
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iphID, iphFlags, iphTTL, iphProtocol, \
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iphChecksum, iphSrcIP, iphDestIP = struct.unpack(
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"!BBHHHBBHII", ipHeader
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)
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iphID, iphFlags, iphTTL, iphProtocol, \
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iphChecksum, iphSrcIP, iphDestIP = struct.unpack(
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"!BBHHHBBHII", ipHeader
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)
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icmpHeader = recPacket[20:28]
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icmpType, icmpCode, icmpChecksum, \
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icmpPacketID, icmpSeqNumber = struct.unpack(
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"!BBHHH", icmpHeader
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)
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icmpPacketID, icmpSeqNumber = struct.unpack("!BBHHH", icmpHeader)
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if icmpPacketID == myID: # Our packet
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dataSize = len(recPacket) - 28
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@ -451,7 +448,8 @@ def dump_stats(myStats):
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print("\n----%s PYTHON PING Statistics----" % (myStats.thisIP))
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if myStats.pktsSent > 0:
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myStats.fracLoss = (myStats.pktsSent - myStats.pktsRcvd) / myStats.pktsSent
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myStats.fracLoss = (myStats.pktsSent -
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myStats.pktsRcvd) / myStats.pktsSent
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print("%d packets transmitted, %d packets received, %0.1f%% packet loss" % (
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myStats.pktsSent, myStats.pktsRcvd, 100.0 * myStats.fracLoss
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@ -494,7 +492,8 @@ def verbose_ping(hostname, timeout=WAIT_TIMEOUT, count=NUM_PACKETS,
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try:
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destIP = socket.gethostbyname(hostname)
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print("\nPYTHON PING %s (%s): %d data bytes" % (hostname, destIP, packet_size))
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print("\nPYTHON PING %s (%s): %d data bytes" %
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(hostname, destIP, packet_size))
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except socket.gaierror as e:
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print("\nPYTHON PING: Unknown host: %s (%s)" % (hostname, e.args[1]))
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print()
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@ -503,7 +502,8 @@ def verbose_ping(hostname, timeout=WAIT_TIMEOUT, count=NUM_PACKETS,
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myStats.thisIP = destIP
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for i in range(count):
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delay = do_one(myStats, destIP, hostname, timeout, mySeqNumber, packet_size)
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delay = do_one(myStats, destIP, hostname,
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timeout, mySeqNumber, packet_size)
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if delay == None:
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delay = 0
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@ -556,7 +556,8 @@ def quiet_ping(hostname, timeout=WAIT_TIMEOUT, count=NUM_PACKETS,
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time.sleep((MAX_SLEEP - delay) / 1000)
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if myStats.pktsSent > 0:
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myStats.fracLoss = (myStats.pktsSent - myStats.pktsRcvd) / myStats.pktsSent
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myStats.fracLoss = (myStats.pktsSent -
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myStats.pktsRcvd) / myStats.pktsSent
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if myStats.pktsRcvd > 0:
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myStats.avrgTime = myStats.totTime / myStats.pktsRcvd
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@ -604,6 +605,7 @@ y_top = 500
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g_exit = False
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g_response_time = None
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def ping_thread(args):
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global g_exit, g_response_time
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@ -611,7 +613,7 @@ def ping_thread(args):
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g_response_time = quiet_ping('google.com', timeout=1000)
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def convert_xy_to_canvas_xy(x_in,y_in):
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def convert_xy_to_canvas_xy(x_in, y_in):
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scale_x = (canvas_right - canvas_left) / (x_right - x_left)
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scale_y = (canvas_top - canvas_bottom) / (y_top - y_bottom)
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new_x = canvas_left + scale_x * (x_in - x_left)
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@ -619,26 +621,27 @@ def convert_xy_to_canvas_xy(x_in,y_in):
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return new_x, new_y
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# start ping measurement thread
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thread = Thread(target=ping_thread, args=(None,))
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thread.start()
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layout = [ [sg.T('Ping times to Google.com', font='Any 18')],
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[sg.Canvas(size=(canvas_right, canvas_bottom), background_color='white', key='canvas')],
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[sg.Quit()] ]
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layout = [[sg.Text('Ping times to Google.com', font='Any 18')],
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[sg.Canvas(size=(canvas_right, canvas_bottom),
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background_color='white', key='canvas')],
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[sg.Quit()]]
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window = sg.Window('Ping Times To Google.com', grab_anywhere=True).Layout(layout).Finalize()
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window = sg.Window('Ping Times To Google.com',
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layout, grab_anywhere=True, finalize=True)
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canvas = window.FindElement('canvas').TKCanvas
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canvas = window['canvas'].TKCanvas
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prev_response_time = None
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i=0
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prev_x, prev_y = canvas_left, canvas_bottom
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i = 0
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prev_x, prev_y = canvas_left, canvas_bottom
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while True:
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time.sleep(.2)
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event, values = window.Read(timeout=0)
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event, values = window.read(timeout=0)
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if event == 'Quit' or event is None:
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break
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@ -646,7 +649,8 @@ while True:
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continue
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try:
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new_x, new_y = convert_xy_to_canvas_xy(i, g_response_time[0])
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except: continue
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except:
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continue
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prev_response_time = g_response_time
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canvas.create_line(prev_x, prev_y, new_x, new_y, width=1, fill='black')
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@ -655,11 +659,12 @@ while True:
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i = 0
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prev_x = prev_y = last_x = last_y = 0
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canvas.delete('all')
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else: i += 1
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else:
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i += 1
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# tell thread we're done. wait for thread to exit
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g_exit = True
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thread.join()
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exit(69)
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window.close()
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exit(0)
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