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

.pylintrc

@@ -119,7 +119,8 @@ spelling-store-unknown-words=no
 [MISCELLANEOUS]
 
 # List of note tags to take in consideration, separated by a comma.
-notes=FIXME,XXX,TODO
+# notes=FIXME,XXX,TODO
+notes=FIXME,XXX
 
 
 [TYPECHECK]

adafruit_ccs811.py

@@ -73,13 +73,15 @@
 _HW_ID_CODE = const(0x81)
 _REF_RESISTOR = const(100000)
 
+
 class CCS811:
     """CCS811 gas sensor driver.
 
     :param ~busio.I2C i2c: The I2C bus.
     :param int addr: The I2C address of the CCS811.
     """
-    #set up the registers
+
+    # set up the registers
     error = i2c_bit.ROBit(0x00, 0)
     """True when an error has occured."""
     data_ready = i2c_bit.ROBit(0x00, 3)
@@ -99,32 +101,38 @@ class CCS811:
     def __init__(self, i2c_bus, address=0x5A):
         self.i2c_device = I2CDevice(i2c_bus, address)
 
-        #check that the HW id is correct
+        # check that the HW id is correct
         if self.hw_id != _HW_ID_CODE:
-            raise RuntimeError("Device ID returned is not correct! Please check your wiring.")
+            raise RuntimeError(
+                "Device ID returned is not correct! Please check your wiring."
+            )
 
-        #try to start the app
+        # try to start the app
         buf = bytearray(1)
         buf[0] = 0xF4
         with self.i2c_device as i2c:
             i2c.write(buf, end=1)
-        time.sleep(.1)
+        time.sleep(0.1)
 
-        #make sure there are no errors and we have entered application mode
+        # make sure there are no errors and we have entered application mode
         if self.error:
-            raise RuntimeError("Device returned a error! Try removing and reapplying power to "
-                               "the device and running the code again.")
+            raise RuntimeError(
+                "Device returned a error! Try removing and reapplying power to "
+                "the device and running the code again."
+            )
         if not self.fw_mode:
-            raise RuntimeError("Device did not enter application mode! If you got here, there may "
-                               "be a problem with the firmware on your sensor.")
+            raise RuntimeError(
+                "Device did not enter application mode! If you got here, there may "
+                "be a problem with the firmware on your sensor."
+            )
 
         self.interrupt_enabled = False
 
-        #default to read every second
+        # default to read every second
         self.drive_mode = DRIVE_MODE_1SEC
 
-        self._eco2 = None # pylint: disable=invalid-name
-        self._tvoc = None # pylint: disable=invalid-name
+        self._eco2 = None  # pylint: disable=invalid-name
+        self._tvoc = None  # pylint: disable=invalid-name
 
     @property
     def error_code(self):
@@ -149,13 +157,13 @@ def _update_data(self):
                 raise RuntimeError("Error:" + str(self.error_code))
 
     @property
-    def tvoc(self): # pylint: disable=invalid-name
+    def tvoc(self):  # pylint: disable=invalid-name
         """Total Volatile Organic Compound in parts per billion."""
         self._update_data()
         return self._tvoc
 
     @property
-    def eco2(self): # pylint: disable=invalid-name
+    def eco2(self):  # pylint: disable=invalid-name
         """Equivalent Carbon Dioxide in parts per million. Clipped to 400 to 8192ppm."""
         self._update_data()
         return self._eco2
@@ -216,18 +224,22 @@ def set_interrupt_thresholds(self, low_med, med_high, hysteresis):
         :param int low_med: Boundary between low and medium ranges
         :param int med_high: Boundary between medium and high ranges
         :param int hysteresis: Minimum difference between reads"""
-        buf = bytearray([_THRESHOLDS,
-                         ((low_med >> 8) & 0xF),
-                         (low_med & 0xF),
-                         ((med_high >> 8) & 0xF),
-                         (med_high & 0xF),
-                         hysteresis])
+        buf = bytearray(
+            [
+                _THRESHOLDS,
+                ((low_med >> 8) & 0xF),
+                (low_med & 0xF),
+                ((med_high >> 8) & 0xF),
+                (med_high & 0xF),
+                hysteresis,
+            ]
+        )
         with self.i2c_device as i2c:
             i2c.write(buf)
 
     def reset(self):
         """Initiate a software reset."""
-        #reset sequence from the datasheet
+        # reset sequence from the datasheet
         seq = bytearray([_SW_RESET, 0x11, 0xE5, 0x72, 0x8A])
         with self.i2c_device as i2c:
             i2c.write(seq)

docs/conf.py

@@ -18,7 +18,8 @@
 #
 import os
 import sys
-sys.path.insert(0, os.path.abspath('..'))
+
+sys.path.insert(0, os.path.abspath(".."))
 
 # -- General configuration ------------------------------------------------
 
@@ -30,54 +31,61 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.todo',
-    'sphinx.ext.viewcode',
-    'sphinx.ext.intersphinx'
+    "sphinx.ext.autodoc",
+    "sphinx.ext.todo",
+    "sphinx.ext.viewcode",
+    "sphinx.ext.intersphinx",
 ]
 
 # Uncomment the below if you use native CircuitPython modules such as
 # digitalio, micropython and busio. List the modules you use. Without it, the
 # autodoc module docs will fail to generate with a warning.
 # autodoc_mock_imports = ["micropython", "adafruit_bus_device", "adafruit_register"]
 
-intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'BusDevice': ('https://circuitpython.readthedocs.io/projects/busdevice/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,
+    ),
+    "CircuitPython": ("https://circuitpython.readthedocs.io/en/latest/", None),
+}
 
 # Mock out micropython ourselves.
-#import imp
-#m = imp.new_module("micropython")
-#m.const = lambda x: x
-#sys.modules["micropython"] = m
+# import imp
+# m = imp.new_module("micropython")
+# m.const = lambda x: x
+# sys.modules["micropython"] = m
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
-#source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+# source_suffix = ['.rst', '.md']
+source_suffix = ".rst"
 
 # The encoding of source files.
 #
 # source_encoding = 'utf-8-sig'
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = u'Adafruit\'s CCS811 Library'
-copyright = u'2016, Dean Miller, Scott Shawcroft'
-author = u'Dean Miller, Scott Shawcroft'
+project = u"Adafruit's CCS811 Library"
+copyright = u"2016, Dean Miller, Scott Shawcroft"
+author = u"Dean Miller, Scott Shawcroft"
 
 # 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.
@@ -98,7 +106,7 @@
 # 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.
@@ -120,7 +128,7 @@
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
@@ -140,18 +148,19 @@
 # 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 = ["."]
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -185,13 +194,13 @@
 # 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"
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
@@ -276,29 +285,31 @@
 # -- 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, 'AdafruitsCCS811Library.tex', u'Adafruit\'s CCS811 Library Documentation',
-     u'Dean Miller, Scott Shawcroft', 'manual'),
+    (
+        master_doc,
+        "AdafruitsCCS811Library.tex",
+        u"Adafruit's CCS811 Library Documentation",
+        u"Dean Miller, Scott Shawcroft",
+        "manual",
+    ),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -339,8 +350,13 @@
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, 'AdafruitsCCS811Library23library', u'Adafruit\'s CCS811 Library Documentation',
-     [author], 1)
+    (
+        master_doc,
+        "AdafruitsCCS811Library23library",
+        u"Adafruit's CCS811 Library Documentation",
+        [author],
+        1,
+    )
 ]
 
 # If true, show URL addresses after external links.
@@ -354,9 +370,15 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'AdafruitsCCS811Library', u'Adafruit\'s CCS811 Library Documentation',
-     author, 'AdafruitsCCS811Library', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "AdafruitsCCS811Library",
+        u"Adafruit's CCS811 Library Documentation",
+        author,
+        "AdafruitsCCS811Library",
+        "One line description of project.",
+        "Miscellaneous",
+    ),
 ]
 
 # Documents to append as an appendix to all manuals.
@@ -375,5 +397,7 @@
 #
 # texinfo_no_detailmenu = False
 
-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),
+}

examples/ccs811_simpletest.py

@@ -11,6 +11,5 @@
     pass
 
 while True:
-    print("CO2: {} PPM, TVOC: {} PPB"
-          .format(ccs811.eco2, ccs811.tvoc))
+    print("CO2: {} PPM, TVOC: {} PPB".format(ccs811.eco2, ccs811.tvoc))
     time.sleep(0.5)