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"""
Simple use of DataTreeWidget to display a structure of nested dicts, lists, and arrays
"""
import numpy as np
import pyqtgraph as pg
# for generating a traceback object to display
def some_func1():
return some_func2()
def some_func2():
try:
raise Exception()
except:
import sys
return sys.exc_info()[2]
app = pg.mkQApp("DataTreeWidget Example")
d = {
'a list': [1,2,3,4,5,6, {'nested1': 'aaaaa', 'nested2': 'bbbbb'}, "seven"],
'a dict': {
'x': 1,
'y': 2,
'z': 'three'
},
'an array': np.random.randint(10, size=(40,10)),
'a traceback': some_func1(),
'a function': some_func1,
'a class': pg.DataTreeWidget,
}
tree = pg.DataTreeWidget(data=d)
tree.show()
tree.setWindowTitle('pyqtgraph example: DataTreeWidget')
tree.resize(600,600)
if __name__ == '__main__':
pg.exec()
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