Merge pull request #15 from adafruit/pylint-update

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_debouncer.py

@@ -52,7 +52,8 @@ _DEBOUNCED_STATE = const(0x01)
 _UNSTABLE_STATE = const(0x02)
 _CHANGED_STATE = const(0x04)
 
-class Debouncer(object):
+
+class Debouncer():
     """Debounce an input pin or an arbitrary predicate"""
 
     def __init__(self, io_or_predicate, interval=0.010):
@@ -61,7 +62,7 @@ class Debouncer(object):
            :param int interval: bounce threshold in seconds (default is 0.010, i.e. 10 milliseconds)
         """
         self.state = 0x00
-        if hasattr(io_or_predicate, 'value'):
+        if hasattr(io_or_predicate, "value"):
             self.function = lambda: io_or_predicate.value
         else:
             self.function = io_or_predicate
@@ -72,23 +73,18 @@ class Debouncer(object):
         self._previous_state_duration = 0
         self._state_changed_time = 0
 
-
     def _set_state(self, bits):
         self.state |= bits
 
-
     def _unset_state(self, bits):
         self.state &= ~bits
 
-
     def _toggle_state(self, bits):
         self.state ^= bits
 
-
     def _get_state(self, bits):
         return (self.state & bits) != 0
 
-
     def update(self):
         """Update the debouncer state. MUST be called frequently"""
         now = time.monotonic()
@@ -106,23 +102,22 @@ class Debouncer(object):
                     self._previous_state_duration = now - self._state_changed_time
                     self._state_changed_time = now
 
-
     @property
     def value(self):
         """Return the current debounced value."""
         return self._get_state(_DEBOUNCED_STATE)
 
-
     @property
     def rose(self):
         """Return whether the debounced value went from low to high at the most recent update."""
         return self._get_state(_DEBOUNCED_STATE) and self._get_state(_CHANGED_STATE)
 
-
     @property
     def fell(self):
         """Return whether the debounced value went from high to low at the most recent update."""
-        return (not self._get_state(_DEBOUNCED_STATE)) and self._get_state(_CHANGED_STATE)
+        return (not self._get_state(_DEBOUNCED_STATE)) and self._get_state(
+            _CHANGED_STATE
+        )
 
     @property
     def last_duration(self):

docs/conf.py

@@ -2,7 +2,8 @@
 
 import os
 import sys
-sys.path.insert(0, os.path.abspath('..'))
+
+sys.path.insert(0, os.path.abspath(".."))
 
 # -- General configuration ------------------------------------------------
 
@@ -10,10 +11,10 @@ sys.path.insert(0, os.path.abspath('..'))
 # 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 +24,32 @@ extensions = [
 autodoc_mock_imports = ["digitalio"]
 
 
-intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'CircuitPython': ('https://circuitpython.readthedocs.io/en/latest/', None)}
+intersphinx_mapping = {
+    "python": ("https://docs.python.org/3.4", 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 Debouncer Library'
-copyright = u'2019 Dave Astels'
-author = u'Dave Astels'
+project = "Adafruit Debouncer Library"
+copyright = "2019 Dave Astels"
+author = "Dave Astels"
 
 # 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 = "1.0"
 # The full version, including alpha/beta/rc tags.
-release = u'1.0'
+release = "1.0"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -57,7 +61,7 @@ language = None
 # 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 +73,7 @@ default_role = "any"
 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
@@ -84,59 +88,62 @@ napoleon_numpy_docstring = False
 # 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 = 'AdafruitDebouncerLibrarydoc'
+htmlhelp_basename = "AdafruitDebouncerLibrarydoc"
 
 # -- 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, 'AdafruitdebouncerLibrary.tex', u'Adafruitdebouncer Library Documentation',
-     author, 'manual'),
+    (
+        master_doc,
+        "AdafruitdebouncerLibrary.tex",
+        "Adafruitdebouncer Library Documentation",
+        author,
+        "manual",
+    ),
 ]
 
 # -- Options for manual page output ---------------------------------------
@@ -144,8 +151,13 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, 'Adafruitdebouncerlibrary', u'Adafruit debouncer Library Documentation',
-     [author], 1)
+    (
+        master_doc,
+        "Adafruitdebouncerlibrary",
+        "Adafruit debouncer Library Documentation",
+        [author],
+        1,
+    )
 ]
 
 # -- Options for Texinfo output -------------------------------------------
@@ -154,7 +166,13 @@ man_pages = [
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'AdafruitdebouncerLibrary', u'Adafruit debouncer Library Documentation',
-     author, 'AdafruitdebouncerLibrary', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "AdafruitdebouncerLibrary",
+        "Adafruit debouncer Library Documentation",
+        author,
+        "AdafruitdebouncerLibrary",
+        "One line description of project.",
+        "Miscellaneous",
+    ),
 ]

examples/debouncer_crickit_test.py

@@ -34,11 +34,13 @@ from adafruit_debouncer import Debouncer
 
 ss = crickit.seesaw
 
+
 def make_crikit_signal_debouncer(pin):
     """Return a lambda to read the specified pin"""
     ss.pin_mode(pin, ss.INPUT_PULLUP)
     return Debouncer(lambda: ss.digital_read(pin))
 
+
 # Two buttons are pullups, connect to ground to activate
 clock = make_crikit_signal_debouncer(crickit.SIGNAL1)
 signal_2 = make_crikit_signal_debouncer(crickit.SIGNAL2)
@@ -54,6 +56,9 @@ while True:
     signal_5.update()
 
     if clock.fell:
-        print('%u %u %u %u' % (signal_2.value, signal_3.value, signal_4.value, signal_5.value))
+        print(
+            "%u %u %u %u"
+            % (signal_2.value, signal_3.value, signal_4.value, signal_5.value)
+        )
 
     time.sleep(0.1)

examples/debouncer_simpletest.py

@@ -36,10 +36,10 @@ switch = Debouncer(pin)
 while True:
     switch.update()
     if switch.fell:
-        print('Just pressed')
+        print("Just pressed")
     if switch.rose:
-        print('Just released')
+        print("Just released")
     if switch.value:
-        print('not pressed')
+        print("not pressed")
     else:
-        print('pressed')
+        print("pressed")

examples/debouncer_timing_test.py

@@ -11,11 +11,11 @@ switch = Debouncer(button)
 while True:
     switch.update()
     if switch.fell:
-        print('pressed')
-        print('was released for ', switch.last_duration)
+        print("pressed")
+        print("was released for ", switch.last_duration)
     elif switch.rose:
-        print('released')
-        print('was pressed for ', switch.last_duration)
+        print("released")
+        print("was pressed for ", switch.last_duration)
     else:
-        print('Stable for ', switch.current_duration)
+        print("Stable for ", switch.current_duration)
     time.sleep(0.1)