A Matplotlib backend for working with (Q)Threads and Qt
A minimal example:
import threading
import time
import matplotlib
import matplotlib.backends.backend_qt
import matplotlib.pyplot as plt
import mpl_qtthread
matplotlib.use("module://mpl_qtthread.backend_agg")
matplotlib.backends.backend_qt._create_qApp()
mpl_qtthread.monkeypatch_pyplot()
plt.ion()
def background():
# time.sleep(1)
fig, ax = plt.subplots()
(ln,) = ax.plot(range(5))
for j in range(5):
print(f"starting to block {j}")
ln.set_color(f"C{j}")
ax.set_title(f'cycle {j}')
fig.canvas.draw_idle()
time.sleep(5)
print("Done! please close the window")
threading.Thread(target=background).start()
matplotlib.backends.backend_qt.qApp.exec()
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