PYTHON

get text from heatmap

import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
import seaborn as sns
from matplotlib.text import Text

# default colormap example
df = pd.DataFrame(np.random.normal(size=(5, 5)))
subplots = sns.heatmap(df.corr(), annot=True, annot_kws={"size": 14, "color": "black"})

# the first 5 * 5 Text objects in text_objs are the matrix annotations
# the few at the end are default annotations (title text I think) and are not
#   formatted according to to annot_kws; ignore these
text_objs = list(filter(lambda x: isinstance(x, Text), subplots.get_children()))