Added matplotlib testapp

inclement · inclement · commit 416b7505f4cc · 2019-05-28T21:48:04.000+01:00
diff --git a/testapps/setup_testapp_python3_matplotlib.py b/testapps/setup_testapp_python3_matplotlib.py
@@ -0,0 +1,30 @@
+
+from distutils.core import setup
+from setuptools import find_packages
+
+options = {'apk': {'requirements': 'sdl2,python3,matplotlib,pyparsing,cycler,python-dateutil,numpy,kiwisolver,kivy',
+                   'blacklist-requirements': 'openssl,sqlite3',
+                   'android-api': 27,
+                   'ndk-api': 21,
+                   'dist-name': 'matplotlib_testapp',
+                   'ndk-version': '10.3.2',
+                   'permission': 'VIBRATE',
+                   }}
+
+package_data = {'': ['*.py',
+                     '*.png']
+                }
+
+packages = find_packages()
+print('packages are', packages)
+
+setup(
+    name='testapp_matplotlib',
+    version='0.1',
+    description='p4a setup.py test',
+    author='Alexander Taylor',
+    author_email='alexanderjohntaylor@gmail.com',
+    packages=find_packages(),
+    options=options,
+    package_data={'testapp_matplotlib': ['*.py', '*.png']}
+)
diff --git a/testapps/testapp_matplotlib/main.py b/testapps/testapp_matplotlib/main.py
@@ -0,0 +1,74 @@
+print('importing numpy')
+import numpy as np
+print('imported numpy')
+
+print('importing matplotlib')
+
+import matplotlib
+print('imported matplotlib')
+
+print('importing pyplot')
+
+from matplotlib import pyplot as plt
+
+print('imported pyplot')
+
+fig, ax = plt.subplots()
+
+print('created fig and ax')
+
+ax.plot(np.random.random(50))
+
+print('plotted something')
+
+ax.set_xlabel('test label')
+
+print('set a label')
+
+fig.set_size_inches((5, 4))
+fig.savefig('test.png')
+
+print('saved fig')
+
+from kivy.app import App
+from kivy.uix.image import Image
+from kivy.lang import Builder
+
+class MatplotlibApp(App):
+    def build(self):
+        root = Builder.load_string("""
+BoxLayout:
+    orientation: 'vertical'
+    Image:
+        id: the_image
+        source: 'test.png'
+        allow_stretch: True
+    Button:
+        size_hint_y: None
+        height: dp(40)
+        text: 'new plot'
+        on_release: app.generate_new_plot()
+        """)
+        return root
+        
+    def generate_new_plot(self):
+        fig, ax = plt.subplots()
+        ax.set_xlabel('test xlabel')
+        ax.set_ylabel('test ylabel')
+        ax.plot(np.random.random(50))
+        ax.plot(np.sin(np.linspace(0, 3*np.pi, 30)))
+
+        ax.legend(['random numbers', 'sin'])
+
+        fig.set_size_inches((5, 4))
+        fig.tight_layout()
+
+        fig.savefig('test.png', dpi=150)
+
+        self.root.ids.the_image.reload()
+        
+
+
+
+MatplotlibApp().run()
+runTouchApp(Image(source='test.png', allow_stretch=True))
