Updated examples for pylint

examples/display_shapes_sparkline_simpletest.py

@@ -4,14 +4,18 @@
 # See the bottom for a code example using the `sparkline` Class.
 
 # # File: display_shapes_sparkline.py
-# A sparkline is a scrolling line graph, where any values added to sparkline using `add_value` are plotted.
+# A sparkline is a scrolling line graph, where any values added to sparkline using 
+# `add_value` are plotted.
 #
-# The `sparkline` class creates an element suitable for adding to the display using `display.show(mySparkline)`
+# The `sparkline` class creates an element suitable for adding to the display using 
+# `display.show(mySparkline)`
 # or adding to a `displayio.Group` to be displayed.
 #
-# When creating the sparkline, identify the number of `max_items` that will be included in the graph.
-# When additional elements are added to the sparkline and the number of items has exceeded max_items,
-# any excess values are removed from the left of the graph, and new values are added to the right.
+# When creating the sparkline, identify the number of `max_items` that will be 
+# included in the graph.
+# When additional elements are added to the sparkline and the number of items has 
+# exceeded max_items, any excess values are removed from the left of the graph, 
+# and new values are added to the right.
 
 
 # The following is an example that shows the
@@ -23,11 +27,12 @@
 # 	add new values to sparkline `add_value`
 # 	update the sparklines `update`
 
+import time
+import random
 import board
 import displayio
-import terminalio
-import random
-import time
+
+
 from adafruit_display_shapes.sparkline import Sparkline
 
 if "DISPLAY" not in dir(board):
@@ -47,7 +52,7 @@
 
     while not spi.try_lock():
         spi.configure(baudrate=32000000)
-        pass
+
     spi.unlock()
 
     display_bus = displayio.FourWire(
@@ -90,15 +95,18 @@
 chartWidth = display.width
 chartHeight = display.height
 
-# mySparkline1 uses a vertical y range between 0 to 10 and will contain a maximum of 40 items
+# mySparkline1 uses a vertical y range between 0 to 10 and will contain a 
+# maximum of 40 items
 mySparkline1 = Sparkline(
     width=chartWidth, height=chartHeight, max_items=40, yMin=0, yMax=10, x=0, y=0
 )
 
-# Create a group to hold the sparkline and append the sparkline into the group (myGroup)
+# Create a group to hold the sparkline and append the sparkline into the 
+# group (myGroup)
 #
-# Note: In cases where display elements will overlap, then the order the elements are added to the
-# group will set which is on top.  Latter elements are displayed on top of former elemtns.
+# Note: In cases where display elements will overlap, then the order the elements 
+# are added to the group will set which is on top.  Latter elements are displayed 
+# on top of former elemtns.
 myGroup = displayio.Group(max_size=1)
 
 # add the sparkline into myGroup

examples/display_shapes_sparkline_ticks.py

@@ -4,14 +4,17 @@
 # See the bottom for a code example using the `sparkline` Class.
 
 # # File: display_shapes_sparkline.py
-# A sparkline is a scrolling line graph, where any values added to sparkline using `add_value` are plotted.
+# A sparkline is a scrolling line graph, where any values added to sparkline 
+# using `add_value` are plotted.
 #
-# The `sparkline` class creates an element suitable for adding to the display using `display.show(mySparkline)`
-# or adding to a `displayio.Group` to be displayed.
+# The `sparkline` class creates an element suitable for adding to the display 
+# using `display.show(mySparkline)` or adding to a `displayio.Group` to be displayed.
 #
-# When creating the sparkline, identify the number of `max_items` that will be included in the graph.
-# When additional elements are added to the sparkline and the number of items has exceeded max_items,
-# any excess values are removed from the left of the graph, and new values are added to the right.
+# When creating the sparkline, identify the number of `max_items` that will be 
+# included in the graph.
+# When additional elements are added to the sparkline and the number of items 
+# has exceeded max_items, any excess values are removed from the left of the 
+# graph, and new values are added to the right.
 
 
 # The following is an example that shows the
@@ -100,7 +103,8 @@
 
 # Setup the first bitmap and sparkline
 # This sparkline has no background bitmap
-# mySparkline1 uses a vertical y range between 0 to 10 and will contain a maximum of 40 items
+# mySparkline1 uses a vertical y range between 0 to 10 and will contain a 
+# maximum of 40 items
 mySparkline1 = Sparkline(
     width=chartWidth,
     height=chartHeight,
@@ -142,8 +146,9 @@
 # Create a group to hold the sparkline, text, rectangle and tickmarks
 # append them into the group (myGroup)
 #
-# Note: In cases where display elements will overlap, then the order the elements are added to the
-# group will set which is on top.  Latter elements are displayed on top of former elemtns.
+# Note: In cases where display elements will overlap, then the order the 
+# elements are added to the group will set which is on top.  Latter elements 
+# are displayed on top of former elemtns.
 
 myGroup = displayio.Group(max_size=20)
 

examples/display_shapes_sparkline_triple.py

@@ -4,14 +4,17 @@
 # See the bottom for a code example using the `sparkline` Class.
 
 # # File: display_shapes_sparkline.py
-# A sparkline is a scrolling line graph, where any values added to sparkline using `add_value` are plotted.
+# A sparkline is a scrolling line graph, where any values added to sparkline 
+# using `add_value` are plotted.
 #
-# The `sparkline` class creates an element suitable for adding to the display using `display.show(mySparkline)`
-# or adding to a `displayio.Group` to be displayed.
+# The `sparkline` class creates an element suitable for adding to the display 
+# using `display.show(mySparkline)` or adding to a `displayio.Group` to be displayed.
 #
-# When creating the sparkline, identify the number of `max_items` that will be included in the graph.
-# When additional elements are added to the sparkline and the number of items has exceeded max_items,
-# any excess values are removed from the left of the graph, and new values are added to the right.
+# When creating the sparkline, identify the number of `max_items` that will be 
+# included in the graph.
+# When additional elements are added to the sparkline and the number of items 
+# has exceeded max_items, any excess values are removed from the left of the 
+# graph, and new values are added to the right.
 
 
 # The following is an example that shows the
@@ -23,11 +26,11 @@
 # 	add new values to sparkline `add_value`
 # 	update the sparklines `update`
 
+import random
+import time
 import board
 import displayio
 import terminalio
-import random
-import time
 from adafruit_display_shapes.sparkline import Sparkline
 from adafruit_ili9341 import ILI9341
 from adafruit_display_text import label
@@ -75,7 +78,7 @@
         display_bus,
         width=DISPLAY_WIDTH,
         height=DISPLAY_HEIGHT,
-        rotation=180,  # The rotation can be adjusted to match your configuration.
+        rotation=180, # The rotation can be adjusted to match your configuration.
         auto_refresh=True,
         native_frames_per_second=90,
     )
@@ -124,7 +127,8 @@
 
 
 # Setup the second bitmap and sparkline
-# mySparkline2 uses a vertical y range between 0 to 1, and will contain a maximum of 10 items
+# mySparkline2 uses a vertical y range between 0 to 1, and will contain a 
+# maximum of 10 items
 #
 palette2 = displayio.Palette(1)  # color palette used for bitmap2 (one color)
 palette2[0] = 0x0000FF
@@ -147,9 +151,12 @@
 
 # Setup the third bitmap and third sparkline
 # mySparkline3 contains a maximum of 10 items
-# since yMin and yMax are not specified, mySparkline3 uses autoranging for both the top and bottom of the y-axis.
-# Note1: Any unspecified edge limit (yMin or yMax) will autorange that edge based on the data in the list.
-# Note2: You can read back the value of the y-axis limits by using mySparkline3.yBottom or mySparkline3.yTop
+# since yMin and yMax are not specified, mySparkline3 uses autoranging for both 
+# the top and bottom of the y-axis.
+# Note1: Any unspecified edge limit (yMin or yMax) will autorange that edge based 
+# on the data in the list.
+# Note2: You can read back the value of the y-axis limits by using 
+# mySparkline3.yBottom or mySparkline3.yTop
 
 
 palette3 = displayio.Palette(1)  # color palette used for bitmap (one color)
@@ -187,12 +194,12 @@
     120 + mySparkline3.height,
 )  # set the text anchored position to the upper right of the graph
 
-
 # Create a group to hold the three bitmap TileGrids and the three sparklines and
 # append them into the group (myGroup)
 #
-# Note: In cases where display elements will overlap, then the order the elements are added to the
-# group will set which is on top.  Latter elements are displayed on top of former elemtns.
+# Note: In cases where display elements will overlap, then the order the elements 
+# are added to the group will set which is on top.  Latter elements are displayed 
+# on top of former elemtns.
 myGroup = displayio.Group(max_size=20)
 
 myGroup.append(mySparkline1)
@@ -207,7 +214,8 @@
 myGroup.append(textLabel3a)
 myGroup.append(textLabel3b)
 
-# Set the display to show myGroup that contains all the bitmap TileGrids and sparklines
+# Set the display to show myGroup that contains all the bitmap TileGrids and 
+# sparklines
 display.show(myGroup)
 
 i = 0  # This is a counter for changing the random values for mySparkline3
@@ -227,7 +235,8 @@
     # Note: For mySparkline2, the y-axis range is set from 0 to 1.
     # With the random values set between -1 and +2, the values will sometimes
     # be out of the y-range.  This example shows how the fixed y-range (0 to 1)
-    # will "clip" values (it will not display them) that are above or below the y-range.
+    # will "clip" values (it will not display them) that are above or below the 
+    # y-range.
     mySparkline2.add_value(random.uniform(-1, 2))
 
     # mySparkline3 is set autoranging for the top and bottom of the Y-axis