import matplotlib.pyplot as plt
import time
import threading
import random
data = []
# This just simulates reading from a socket.
def data_listener():
while True:
time.sleep(1)
data.append(random.random())
if __name__ == '__main__':
thread = threading.Thread(target=data_listener)
thread.daemon = True
thread.start()
#
# initialize figure
plt.figure()
ln, = plt.plot([])
plt.ion()
plt.show()
while True:
plt.pause(1)
ln.set_xdata(range(len(data)))
ln.set_ydata(data)
plt.draw()
如果您想走得很快，则应考虑发li。
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