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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Part of the PsychoPy library
# Copyright (C) 2002-2018 Jonathan Peirce (C) 2019-2020 Open Science Tools Ltd.
# Distributed under the terms of the GNU General Public License (GPL).
"""Functions and classes related to plotting
"""
from __future__ import absolute_import, print_function
def plotFrameIntervals(intervals):
"""Plot a histogram of the frame intervals.
Where `intervals` is either a filename to a file, saved by
Window.saveFrameIntervals, or simply a list (or array) of frame intervals
"""
from pylab import hist, show, plot
if type(intervals) == str:
f = open(intervals, 'r')
intervals = eval("[%s]" % (f.readline()))
# hist(intervals, int(len(intervals)/10))
plot(intervals)
show()
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