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import matplotlib.pyplot as plt
from unittest import TestCase
from pyecsca.sca import Trace
from os.path import join, exists
from os import mkdir, getenv
def slow(func):
func.slow = 1
return func
def plot(case: TestCase, *traces: Trace):
if getenv("PYECSCA_TEST_PLOTS") is None:
return
fig = plt.figure()
ax = fig.add_subplot(111)
for i, trace in enumerate(traces):
ax.plot(trace.samples, label=str(i))
ax.legend(loc="best")
directory = join("test", "plots")
if not exists(directory):
mkdir(directory)
plt.savefig(join(directory, case.id() + ".png"))
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