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#------------------------------------------------------------------------------
# Copyright (c) 2013-2025, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
#------------------------------------------------------------------------------
from __future__ import unicode_literals, print_function
from atom.api import Atom, Str, Range, Bool, observe
import enaml
from enaml.qt.qt_application import QtApplication
import sys, os
sys.path.append(os.path.dirname(os.path.abspath(__file__)))
class Person(Atom):
""" A simple class representing a person object.
"""
last_name = Str()
first_name = Str()
age = Range(low=0)
debug = Bool(False)
@observe('age')
def debug_print(self, change):
""" Prints out a debug message whenever the person's age changes.
"""
if self.debug:
templ = "{first} {last} is {age} years old."
s = templ.format(
first=self.first_name, last=self.last_name, age=self.age,
)
print(s)
def main():
with enaml.imports():
from person_view import PersonView
john = Person(first_name='John', last_name='Doe', age=42)
john.debug = True
app = QtApplication()
view = PersonView(person=john)
view.show()
app.start()
if __name__ == '__main__':
main()
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