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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
"""
Example Command-Line Application
================================
This is an example of an application used in purely command-line mode.
The application itself is trivial, but it demonstrates how to use the
Application class by overriding the `_run` method to perform the desired
computation.
"""
import argparse
from pyface.api import Application
from traits.api import Str
class HelloApplication(Application):
""" Simple application example that greets a location. """
# 'HelloApplication' traits -----------------------------------------------
#: The location being greeted.
location = Str("world")
# 'Application' traits ----------------------------------------------------
#: Human-readable application name
name = "Hello Application"
#: The application's globally unique identifier.
id = "example_hello_application"
def _run(self):
super()._run()
print("Hello " + self.location)
def main():
""" Hello application entrypoint. """
app = HelloApplication()
parser = argparse.ArgumentParser(description=app.description)
parser.add_argument(
"location",
nargs="?",
default=app.location,
help="the location to greet",
)
parser.parse_args(namespace=app)
app.run()
if __name__ == "__main__":
main()
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