Ran black, updated to pylint 2.x

.github/workflows/build.yml

@@ -40,7 +40,7 @@ jobs:
         source actions-ci/install.sh
     - name: Pip install pylint, black, & Sphinx
       run: |
-        pip install --force-reinstall pylint==1.9.2 black==19.10b0 Sphinx sphinx-rtd-theme
+        pip install --force-reinstall pylint black==19.10b0 Sphinx sphinx-rtd-theme
     - name: Library version
       run: git describe --dirty --always --tags
     - name: PyLint

adafruit_slideshow.py

@@ -51,6 +51,7 @@
 
 class PlayBackOrder:
     """Defines possible slideshow playback orders."""
+
     # pylint: disable=too-few-public-methods
     ALPHABETICAL = 0
     """Orders by alphabetical sort of filenames"""
@@ -62,6 +63,7 @@ class PlayBackOrder:
 
 class PlayBackDirection:
     """Defines possible slideshow playback directions."""
+
     # pylint: disable=too-few-public-methods
     BACKWARD = -1
     """The next image is before the current image. When alphabetically sorted, this is towards A."""
@@ -149,9 +151,19 @@ class SlideShow:
                 slideshow.brightness -= 0.001
     """
 
-    def __init__(self, display, backlight_pwm=None, *, folder="/", order=PlayBackOrder.ALPHABETICAL,
-                 loop=True, dwell=3, fade_effect=True, auto_advance=True,
-                 direction=PlayBackDirection.FORWARD):
+    def __init__(
+        self,
+        display,
+        backlight_pwm=None,
+        *,
+        folder="/",
+        order=PlayBackOrder.ALPHABETICAL,
+        loop=True,
+        dwell=3,
+        fade_effect=True,
+        auto_advance=True,
+        direction=PlayBackDirection.FORWARD
+    ):
         self.loop = loop
         """Specifies whether to loop through the images continuously or play through the list once.
         ``True`` will continue to loop, ``False`` will play only once."""
@@ -173,8 +185,11 @@ def __init__(self, display, backlight_pwm=None, *, folder="/", order=PlayBackOrd
 
         # Load the image names before setting order so they can be reordered.
         self._img_start = None
-        self._file_list = [folder+"/"+f for f in os.listdir(folder) if (f.endswith(".bmp")
-                                                                        and not f.startswith("."))]
+        self._file_list = [
+            folder + "/" + f
+            for f in os.listdir(folder)
+            if (f.endswith(".bmp") and not f.startswith("."))
+        ]
 
         self._order = None
         self.order = order
@@ -314,11 +329,11 @@ def advance(self):
             raise RuntimeError("No valid images")
 
         try:
-            sprite = self._sprite_class(odb,
-                                        pixel_shader=displayio.ColorConverter())
+            sprite = self._sprite_class(odb, pixel_shader=displayio.ColorConverter())
         except TypeError:
-            sprite = self._sprite_class(odb,
-                                        pixel_shader=displayio.ColorConverter(), position=(0, 0))
+            sprite = self._sprite_class(
+                odb, pixel_shader=displayio.ColorConverter(), position=(0, 0)
+            )
         self._group.append(sprite)
 
         self._fade_up()

docs/conf.py

@@ -2,18 +2,19 @@
 
 import os
 import sys
-sys.path.insert(0, os.path.abspath('..'))
+
+sys.path.insert(0, os.path.abspath(".."))
 
 # -- General configuration ------------------------------------------------
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.intersphinx',
-    'sphinx.ext.napoleon',
-    'sphinx.ext.todo',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.napoleon",
+    "sphinx.ext.todo",
 ]
 
 # TODO: Please Read!
@@ -23,29 +24,40 @@
 autodoc_mock_imports = ["displayio"]
 
 
-intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'BusDevice': ('https://circuitpython.readthedocs.io/projects/busdevice/en/latest/', None),'Register': ('https://circuitpython.readthedocs.io/projects/register/en/latest/', None),'CircuitPython': ('https://circuitpython.readthedocs.io/en/latest/', None)}
+intersphinx_mapping = {
+    "python": ("https://docs.python.org/3.4", None),
+    "BusDevice": (
+        "https://circuitpython.readthedocs.io/projects/busdevice/en/latest/",
+        None,
+    ),
+    "Register": (
+        "https://circuitpython.readthedocs.io/projects/register/en/latest/",
+        None,
+    ),
+    "CircuitPython": ("https://circuitpython.readthedocs.io/en/latest/", None),
+}
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = u'Adafruit Slideshow Library'
-copyright = u'2018 Kattni Rembor'
-author = u'Kattni Rembor'
+project = u"Adafruit Slideshow Library"
+copyright = u"2018 Kattni Rembor"
+author = u"Kattni Rembor"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = u'1.0'
+version = u"1.0"
 # The full version, including alpha/beta/rc tags.
-release = u'1.0'
+release = u"1.0"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -57,7 +69,7 @@
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This patterns also effect to html_static_path and html_extra_path
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store', '.env', 'CODE_OF_CONDUCT.md']
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store", ".env", "CODE_OF_CONDUCT.md"]
 
 # The reST default role (used for this markup: `text`) to use for all
 # documents.
@@ -69,7 +81,7 @@
 add_function_parentheses = True
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = False
@@ -84,68 +96,76 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
+on_rtd = os.environ.get("READTHEDOCS", None) == "True"
 
 if not on_rtd:  # only import and set the theme if we're building docs locally
     try:
         import sphinx_rtd_theme
-        html_theme = 'sphinx_rtd_theme'
-        html_theme_path = [sphinx_rtd_theme.get_html_theme_path(), '.']
+
+        html_theme = "sphinx_rtd_theme"
+        html_theme_path = [sphinx_rtd_theme.get_html_theme_path(), "."]
     except:
-        html_theme = 'default'
-        html_theme_path = ['.']
+        html_theme = "default"
+        html_theme_path = ["."]
 else:
-    html_theme_path = ['.']
+    html_theme_path = ["."]
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
 # The name of an image file (relative to this directory) to use as a favicon of
 # the docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
 # pixels large.
 #
-html_favicon = '_static/favicon.ico'
+html_favicon = "_static/favicon.ico"
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'AdafruitSlideshowLibrarydoc'
+htmlhelp_basename = "AdafruitSlideshowLibrarydoc"
 
 # -- Options for LaTeX output ---------------------------------------------
 
 latex_elements = {
-     # The paper size ('letterpaper' or 'a4paper').
-     #
-     # 'papersize': 'letterpaper',
-
-     # The font size ('10pt', '11pt' or '12pt').
-     #
-     # 'pointsize': '10pt',
-
-     # Additional stuff for the LaTeX preamble.
-     #
-     # 'preamble': '',
-
-     # Latex figure (float) alignment
-     #
-     # 'figure_align': 'htbp',
+    # The paper size ('letterpaper' or 'a4paper').
+    #
+    # 'papersize': 'letterpaper',
+    # The font size ('10pt', '11pt' or '12pt').
+    #
+    # 'pointsize': '10pt',
+    # Additional stuff for the LaTeX preamble.
+    #
+    # 'preamble': '',
+    # Latex figure (float) alignment
+    #
+    # 'figure_align': 'htbp',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'AdafruitSlideshowLibrary.tex', u'AdafruitSlideshow Library Documentation',
-     author, 'manual'),
+    (
+        master_doc,
+        "AdafruitSlideshowLibrary.tex",
+        u"AdafruitSlideshow Library Documentation",
+        author,
+        "manual",
+    ),
 ]
 
 # -- Options for manual page output ---------------------------------------
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, 'AdafruitSlideshowlibrary', u'Adafruit Slideshow Library Documentation',
-     [author], 1)
+    (
+        master_doc,
+        "AdafruitSlideshowlibrary",
+        u"Adafruit Slideshow Library Documentation",
+        [author],
+        1,
+    )
 ]
 
 # -- Options for Texinfo output -------------------------------------------
@@ -154,7 +174,13 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'AdafruitSlideshowLibrary', u'Adafruit Slideshow Library Documentation',
-     author, 'AdafruitSlideshowLibrary', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "AdafruitSlideshowLibrary",
+        u"Adafruit Slideshow Library Documentation",
+        author,
+        "AdafruitSlideshowLibrary",
+        "One line description of project.",
+        "Miscellaneous",
+    ),
 ]

examples/slideshow_simpletest.py

@@ -1,11 +1,17 @@
 import board
 import pulseio
 from adafruit_slideshow import PlayBackOrder, SlideShow
-#pylint: disable=no-member
+
+# pylint: disable=no-member
 
 # Create the slideshow object that plays through once alphabetically.
-slideshow = SlideShow(board.DISPLAY, pulseio.PWMOut(board.TFT_BACKLIGHT), folder="/",
-                      loop=False, order=PlayBackOrder.ALPHABETICAL)
+slideshow = SlideShow(
+    board.DISPLAY,
+    pulseio.PWMOut(board.TFT_BACKLIGHT),
+    folder="/",
+    loop=False,
+    order=PlayBackOrder.ALPHABETICAL,
+)
 
 while slideshow.update():
     pass

examples/slideshow_tft_gizmo.py

@@ -16,8 +16,7 @@
 back_button = digitalio.DigitalInOut(board.BUTTON_B)
 back_button.switch_to_input(pull=digitalio.Pull.DOWN)
 
-slideshow = SlideShow(display, None, folder="/",
-                      auto_advance=False, dwell=0)
+slideshow = SlideShow(display, None, folder="/", auto_advance=False, dwell=0)
 
 while True:
     if forward_button.value:

examples/slideshow_touch.py

@@ -2,16 +2,22 @@
 import pulseio
 import touchio
 from adafruit_slideshow import SlideShow, PlayBackDirection
-#pylint: disable=no-member
+
+# pylint: disable=no-member
 
 forward_button = touchio.TouchIn(board.TOUCH4)
 back_button = touchio.TouchIn(board.TOUCH1)
 
 brightness_up = touchio.TouchIn(board.TOUCH3)
 brightness_down = touchio.TouchIn(board.TOUCH2)
 
-slideshow = SlideShow(board.DISPLAY, pulseio.PWMOut(board.TFT_BACKLIGHT), folder="/",
-                      auto_advance=False, dwell=0)
+slideshow = SlideShow(
+    board.DISPLAY,
+    pulseio.PWMOut(board.TFT_BACKLIGHT),
+    folder="/",
+    auto_advance=False,
+    dwell=0,
+)
 
 while True:
     if forward_button.value: