black, lint, add font!

Matrix_Portal_Learn_Stats/code.py

@@ -1,67 +1,75 @@
 import time
-import board
 from random import randrange
-import rtc
+import board
 import terminalio
 from adafruit_matrixportal.matrixportal import MatrixPortal
 
 # --- Data Setup --- #
-GUIDE_INDEX = 0
 # Number of guides to fetch and display from the Adafruit Learning System
 DISPLAY_NUM_GUIDES = 5
-DATA_SOURCE = "https://learn.adafruit.com/api/guides/new.json?count=%d"%DISPLAY_NUM_GUIDES
+# Data source URL
+DATA_SOURCE = (
+    "https://learn.adafruit.com/api/guides/new.json?count=%d" % DISPLAY_NUM_GUIDES
+)
 TITLE_DATA_LOCATION = ["guides"]
-TAGLINE_DATA_LOCATION = ["guides", GUIDE_INDEX, "guide", "tagline"]
-
-# the current working directory (where this file is)
-cwd = ("/" + __file__).rsplit("/", 1)[0]
 
 matrixportal = MatrixPortal(
     url=DATA_SOURCE,
     json_path=TITLE_DATA_LOCATION,
     status_neopixel=board.NEOPIXEL,
-    debug=True
 )
 
 # --- Display Setup --- #
 
 # Colors for guide name
-colors = [0xff0000, 0xffa500, 0xffff00,
+colors = [0xFFA500, 0xFFFF00, 0x008000, 0x0000FF, 0x4B0082, 0xEE82EE]
-          0x008000, 0x0000ff, 0x4b0082,
-          0xee82ee]
 
 # Delay for scrolling the text
 SCROLL_DELAY = 0.03
-# id = 0, title
-matrixportal.add_text(
-    text_font=terminalio.FONT,
-    text_position=((matrixportal.graphics.display.width // 3) - 1, (matrixportal.graphics.display.height // 3) - 1),
-    text_color=0x800000,
-    text_scale = 2
-)
 
-# id = 1, author
+FONT = "/IBMPlexMono-Medium-24_jep.bdf"
+
+# Learn guide count (ID = 0)
+matrixportal.add_text(
+    text_font=FONT,
+    text_position=(
+        (matrixportal.graphics.display.width // 12) - 1,
+        (matrixportal.graphics.display.height // 2) - 4,
+    ),
+    text_color=0x800000,
+)
+matrixportal.preload_font("0123456789")
+
+# Learn guide title (ID = 1)
 matrixportal.add_text(
     text_font=terminalio.FONT,
     text_position=(2, 25),
     text_color=0x000080,
-    scrolling = True
+    scrolling=True,
 )
 
+
 def get_guide_info(index):
+    """Parses JSON data returned by the DATA_SOURCE
+    to obtain the ALS guide title and number of guides and
+    sets the text labels.
+    :param int index: Guide index to display
+
+    """
     if index > DISPLAY_NUM_GUIDES:
         raise RuntimeError("Provided index may not be larger than DISPLAY_NUM_GUIDES.")
-    print("Obtaining guide info for guide %d..."%index)
+    print("Obtaining guide info for guide %d..." % index)
 
     # Traverse JSON data for title
     guide_count = matrixportal.network.json_traverse(als_data.json(), ["guide_count"])
+
     # Set guide count
     matrixportal.set_text(guide_count, 0)
 
     guides = matrixportal.network.json_traverse(als_data.json(), TITLE_DATA_LOCATION)
     guide_title = guides[index]["guide"]["title"]
     print("Guide Title", guide_title)
-    
+
     # Select color for title text
     color_index = randrange(0, len(colors))
 
@@ -72,21 +80,21 @@ def get_guide_info(index):
     matrixportal.set_text(guide_title, 1)
 
 
+refresh_time = None
 guide_idx = 0
 prv_hour = 0
-refresh_time = None
 while True:
-
+    if (not refresh_time) or (time.monotonic() - refresh_time) > 900:
-    if (not refresh_time) or (time.monotonic() - refresh_time) > 3600:
         try:
             print("obtaining time from adafruit.io server...")
             matrixportal.get_local_time()
             refresh_time = time.monotonic()
         except RuntimeError as e:
-            print("Retrying! - ", e)
+            print("Unable to obtain time from Adafruit IO, retrying - ", e)
             continue
 
     if time.localtime()[3] != prv_hour:
+        print("New Hour, fetching new data...")
         # Fetch and store guide info response
         als_data = matrixportal.network.fetch(DATA_SOURCE)
         prv_hour = time.localtime()[3]
@@ -95,9 +103,9 @@ while True:
     if guide_idx < DISPLAY_NUM_GUIDES:
         get_guide_info(guide_idx)
 
-        # Scroll the scrollable text blocks
+        # Scroll the scrollable text block
         matrixportal.scroll_text(SCROLL_DELAY)
         guide_idx += 1
     else:
         guide_idx = 0
-    time.sleep(0.5)
+    time.sleep(0.05)