8000 Added matplotlib testapp · sfoerster/python-for-android@416b750 · GitHub
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Added matplotlib testapp
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‎testapps/setup_testapp_python3_matplotlib.py

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from distutils.core import setup
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from setuptools import find_packages
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options = {'apk': {'requirements': 'sdl2,python3,matplotlib,pyparsing,cycler,python-dateutil,numpy,kiwisolver,kivy',
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'blacklist-requirements': 'openssl,sqlite3',
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'android-api': 27,
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'ndk-api': 21,
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'dist-name': 'matplotlib_testapp',
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'ndk-version': '10.3.2',
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'permission': 'VIBRATE',
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}}
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package_data = {'': ['*.py',
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'*.png']
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}
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packages = find_packages()
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print('packages are', packages)
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setup(
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name='testapp_matplotlib',
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version='0.1',
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description='p4a setup.py test',
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author='Alexander Taylor',
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author_email='alexanderjohntaylor@gmail.com',
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packages=find_packages(),
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options=options,
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package_data={'testapp_matplotlib': ['*.py', '*.png']}
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)

‎testapps/testapp_matplotlib/main.py

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print('importing numpy')
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import numpy as np
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print('imported numpy')
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print('importing matplotlib')
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import matplotlib
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print('imported matplotlib')
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print('importing pyplot')
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from matplotlib import pyplot as plt
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print('imported pyplot')
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fig, ax = plt.subplots()
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print('created fig and ax')
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ax.plot(np.random.random(50))
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print('plotted something')
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ax.set_xlabel('test label')
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print('set a label')
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fig.set_size_inches((5, 4))
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fig.savefig('test.png')
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print('saved fig')
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from kivy.app import App
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from kivy.uix.image import Image
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from kivy.lang import Builder
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class MatplotlibApp(App):
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def build(self):
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root = Builder.load_string("""
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BoxLayout:
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orientation: 'vertical'
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Image:
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id: the_image
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source: 'test.png'
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allow_stretch: True
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Button:
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size_hint_y: None
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height: dp(40)
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text: 'new plot'
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on_release: app.generate_new_plot()
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""")
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return root
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def generate_new_plot(self):
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fig, ax = plt.subplots()
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ax.set_xlabel('test xlabel')
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ax.set_ylabel('test ylabel')
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ax.plot(np.random.random(50))
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ax.plot(np.sin(np.linspace(0, 3*np.pi, 30)))
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ax.legend(['random numbers', 'sin'])
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fig.set_size_inches((5, 4))
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fig.tight_layout()
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fig.savefig('test.png', dpi=150)
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self.root.ids.the_image.reload()
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MatplotlibApp().run()
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runTouchApp(Image(source='test.png', allow_stretch=True))

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