fix styles from latest PR

examples/text/pango_demo.py

@@ -4,11 +4,13 @@ from kivy.base import runTouchApp
 from kivy.lang import Builder
 from kivy.factory import Factory as F
 
+
 class DemoBox(F.ButtonBehavior, F.BoxLayout):
     base_direction = F.StringProperty(None, allownone=True)
     font_context = F.StringProperty(None, allownone=True)
     font_size = F.NumericProperty(10)
 
+
 runTouchApp(Builder.load_string('''
 #:import F kivy.factory.Factory
 <MenuLabel@Label>:
@@ -79,8 +81,10 @@ runTouchApp(Builder.load_string('''
             pop.text = lbl.text
             pop.ids.ti.halign = root.halign
             pop.ids.ti.font_size = root.font_size
-            pop.ids.ti.font_context = root.font_context != 'None' and root.font_context or None
-            pop.ids.ti.base_direction = root.base_direction != 'None' and root.base_direction or None
+            pop.ids.ti.font_context = root.font_context != 'None' \
+                                      and root.font_context or None
+            pop.ids.ti.base_direction = root.base_direction != 'None' \
+                                        and root.base_direction or None
             pop.title = 'Edit: {}'.format(root.language)
             pop.open()
     Label:
@@ -105,8 +109,10 @@ runTouchApp(Builder.load_string('''
         halign: root.halign
         text: root.text
         markup: root.markup
-        font_context: root.font_context != 'None' and root.font_context or None
-        base_direction: root.base_direction != 'None' and root.base_direction or None
+        font_context: root.font_context != 'None' and \
+                      root.font_context or None
+        base_direction: root.base_direction != 'None' and \
+                        root.base_direction or None
         font_size: root.font_size
         text_size: self.width, None
         canvas.before:
@@ -120,7 +126,8 @@ runTouchApp(Builder.load_string('''
         halign: root.halign
         cursor_width: 3
         font_context: root.font_context != 'None' and root.font_context or None
-        base_direction: root.base_direction != 'None' and root.base_direction or None
+        base_direction: root.base_direction != 'None' and \
+                        root.base_direction or None
         font_size: root.font_size
 BoxLayout:
     orientation: 'vertical'
@@ -138,7 +145,9 @@ BoxLayout:
             DemoBox:
                 markup: True
                 language: 'Arabic'
-                text: 'اَلْحَمْدُ لِلّٰهِ رَبِّ [color=ff0000]الْعَالَمِينَ\\nاَلرَّحْ[/color]مٰنِ الرَّحِيمِ'
+                text: 'اَلْحَمْدُ لِلّٰهِ رَبِّ \
+                    [color=ff0000]الْعَالَمِينَ\
+                    \\nاَلرَّحْ[/color]مٰنِ الرَّحِيمِ'
             DemoBox:
                 language: 'Arabic + English'
                 text: 'اِيَّاكَ نَعْبُدُ Kivyوَ اِيَّاكَ نَسْتَعِينُ\\nKivy'
@@ -147,7 +156,8 @@ BoxLayout:
                 text: 'Kivy\\nاِيَّاكَ نَعْبُدُ وَKivy اِيَّاكَ نَسْتَعِينُ'
             DemoBox:
                 language: 'Hebrew'
-                text: 'בְּרֵאשִׁ֖ית בָּרָ֣א \\nאֱלֹהִ֑ים אֵ֥ת הַשָּׁמַ֖יִם וְאֵ֥ת הָאָֽרֶץ׃'
+                text: 'בְּרֵאשִׁ֖ית בָּרָ֣א \
+                       \\nאֱלֹהִ֑ים אֵ֥ת הַשָּׁמַ֖יִם וְאֵ֥ת הָאָֽרֶץ׃'
             DemoBox:
                 language: 'Hebrew + English'
                 text: 'בְּרֵאKivyשִׁ֖ית בָּרָ֣א \\nKivy'
@@ -180,7 +190,8 @@ BoxLayout:
                 text: ' འ Kivyབྲུག་རྒྱལ་ཁབ\\n་འདི་དགKivyའ་ཏོག་ཏོ་ཡོད།'
             DemoBox:
                 language: 'English + Tibetan'
-                text: 'Regular letters\\n འབྲུག་རྒྱལ་ཁབ་འདི་དགའ་Kivyཏོག་ཏོ་ཡོད།'
+                text: 'Regular letters\\n\
+                        འབྲུག་རྒྱལ་ཁབ་འདི་དགའ་Kivyཏོག་ཏོ་ཡོད།'
             DemoBox:
                 language: 'Braille (EN)'
                 text: '⠊⠀⠉⠁⠝⠀⠑⠁⠞⠀⠛⠇⠁⠎⠎⠀\\n⠁⠝⠙⠀⠊⠞⠀⠙⠕⠑⠎⠝⠞⠀⠓⠥⠗⠞⠀⠍⠑'
@@ -190,7 +201,8 @@ BoxLayout:
             DemoBox:
                 markup: True
                 language: 'Braille (EN) + English'
-                text: '⠊⠀⠉⠁⠝⠀⠑⠁⠞Kivy\\n⠀⠛⠇⠁⠎⠎⠀⠁⠝Kivy⠙⠀⠊⠞⠀[color=ff0000]⠙⠕⠑⠎⠝⠞⠀⠓⠥⠗⠞⠀⠍⠑[/color]'
+                text: '⠊⠀⠉⠁⠝⠀⠑⠁⠞Kivy\\n⠀⠛⠇⠁⠎⠎⠀⠁⠝Kivy\
+                       ⠙⠀⠊⠞⠀[color=ff0000]⠙⠕⠑⠎⠝⠞⠀⠓⠥⠗⠞⠀⠍⠑[/color]'
     # --------------------------------------- HALIGN
     BoxLayout:
         __boxes: boxes

kivy/core/camera/camera_android.py

@@ -67,7 +67,7 @@ class CameraAndroid(CameraBase):
         self._android_camera.setPreviewTexture(self._surface_texture)
 
         self._fbo = Fbo(size=self._resolution)
-        self._fbo['resolution'] = (float(width),float(height))
+        self._fbo['resolution'] = (float(width), float(height))
         self._fbo.shader.fs = '''
             #extension GL_OES_EGL_image_external : require
             #ifdef GL_ES
@@ -85,7 +85,8 @@ class CameraAndroid(CameraBase):
 
             void main()
             {
-                vec2 coord = vec2(tex_coord0.y*(resolution.y/resolution.x),1.-tex_coord0.x);
+                vec2 coord = vec2(tex_coord0.y * (
+                    resolution.y / resolution.x), 1. -tex_coord0.x);
                 gl_FragColor = texture2D(texture1, tex_coord0);
             }
         '''

kivy/core/image/__init__.py

@@ -77,9 +77,9 @@ class ImageData(object):
     '''
 
     __slots__ = ('fmt', 'mipmaps', 'source', 'flip_vertical', 'source_image')
-    _supported_fmts = ('rgb', 'bgr', 'rgba', 'bgra', 'argb', 'abgr', 's3tc_dxt1',
-                       's3tc_dxt3', 's3tc_dxt5', 'pvrtc_rgb2', 'pvrtc_rgb4',
-                       'pvrtc_rgba2', 'pvrtc_rgba4', 'etc1_rgb8')
+    _supported_fmts = ('rgb', 'bgr', 'rgba', 'bgra', 'argb', 'abgr',
+                       's3tc_dxt1', 's3tc_dxt3', 's3tc_dxt5', 'pvrtc_rgb2',
+                       'pvrtc_rgb4', 'pvrtc_rgba2', 'pvrtc_rgba4', 'etc1_rgb8')
 
     def __init__(self, width, height, fmt, data, source=None,
                  flip_vertical=True, source_image=None,
@@ -906,10 +906,10 @@ class Image(EventDispatcher):
 
         bgr_flag = False
         if data.fmt == 'argb':
-            color.reverse() # bgra
+            color.reverse()  # bgra
             bgr_flag = True
         elif data.fmt == 'abgr':
-            color.reverse() # rgba
+            color.reverse()  # rgba
 
         # conversion for BGR->RGB, BGRA->RGBA format
         if bgr_flag or data.fmt in ('bgr', 'bgra'):

kivy/core/text/text_pango.py

@@ -12,8 +12,8 @@ Pango text provider
 Installation
 ------------
 
-1. Install pangoft2 (`apt install libfreetype6-dev libpango1.0-dev libpangoft2-1.0-0`)
-   or ensure it is available in pkg-config
+1. Install pangoft2 (`apt install libfreetype6-dev libpango1.0-dev
+   libpangoft2-1.0-0`) or ensure it is available in pkg-config
 2. Recompile kivy. Check that pangoft2 is found `use_pangoft2 = 1`
 3. Test it! Enforce the text core renderer to pango using environment variable:
    `export KIVY_TEXT=pango`

kivy/uix/colorpicker.py

@@ -279,7 +279,8 @@ class ColorWheel(Widget):
             # _hsv based on the selected ColorArc
             piece = int((theta / (2 * pi)) * self._pieces_of_pie)
             division = int((r / self._radius) * self._piece_divisions)
-            hsva = list(self.arcs[self._pieces_of_pie * division + piece].color)
+            hsva = list(
+                self.arcs[self._pieces_of_pie * division + piece].color)
             self.color = list(hsv_to_rgb(*hsva[:3])) + hsva[-1:]
 
     def _get_touch_r(self, pos):
@@ -384,7 +385,6 @@ class ColorPicker(RelativeLayout):
         self.set_color(value)
 
     hsv = AliasProperty(_get_hsv, _set_hsv, bind=('color', ))
-    #hsv = ListProperty((1, 1, 1))
     '''The :attr:`hsv` holds the color currently selected in hsv format.
 
     :attr:`hsv` is a :class:`~kivy.properties.ListProperty` and defaults to