[Python] How can I remove all legends from a matplotlib axes with multiple legends?

Given a matplotlib plot with more than one legend, I would like to be able to remove all legends from the plot.

Here is a simple example code to produce a plot with two legends:

import matplotlib.pyplot as plt

fig, ax = plt.subplots()

# Plot some dummy data
x = [1, 2, 3, 4, 5]
y1 = [1, 4, 9, 16, 25]
y2 = [25, 16, 9, 4, 1]
ax.plot(x, y1, label='y = x^2')
ax.plot(x, y2, label='y = 25 - x^2')

# Add two legends
ax.legend()

handles, labels = ax.get_legend_handles_labels()

ax.get_legend().remove()

half_len = len(handles) // 2
leg1 = ax.legend(handles[:half_len], labels[:half_len], loc="upper left")
leg2 = ax.legend(handles[half_len:], labels[half_len:], loc="lower right")
ax.add_artist(leg1)
ax.add_artist(leg2)


We get a figure with two legends as expected:



Now, I want to remove these legends again. Here's what I tried and what does not work:

# The following solution removes only `leg1`, also in reverse order of calls:
leg2.remove()
leg1.remove()

# The following does not remove anything:
ax.get_legend().remove()

# The following throws an error (matplotlib/artist.py:239, ValueError: list.remove(x): x not in list):
for c in ax.get_children():
if isinstance(c, matplotlib.legend.Legend):
c.remove()


I would prefer to have a generic solution like the last one, but for the moment, any solution would be highly appreciated.

Continue reading...