Merge pull request #820 from isaacwellish/dashblock-api

Dashblock api guide

Author: ladyada

Dashblock_API/Coin.wav

@@ -0,0 +1,60 @@
+"""
+Dashblock API Adafruit Learn Guide Count demo
+Use Dashblock to create a custom API for learn.adafruit.com,
+then display the number of learn guides on the site
+"""
+
+import time
+import board
+from adafruit_pyportal import PyPortal
+
+# Get wifi details and more from a secrets.py file
+try:
+    from secrets import secrets
+except ImportError:
+    print("WiFi settings are kept in settings.py, please add them there!")
+    raise
+
+# Set up where we'll be fetching data from
+DATA_SOURCE = "https://api.dashblock.io/model/v1?api_key=" + secrets['dashblock_key']
+GUIDE_COUNT = ['entities', 0, 'guide count']
+CAPTION = 'total tutorials:'
+
+# determine the current working directory
+# needed so we know where to find files
+cwd = ("/"+__file__).rsplit('/', 1)[0]
+
+# Initialize the pyportal object and let us know what data to fetch and where
+# to display it
+pyportal = PyPortal(url=DATA_SOURCE,
+                    json_path = (GUIDE_COUNT),
+                    status_neopixel=board.NEOPIXEL,
+                    default_bg=cwd+"/adabot_cover.bmp",
+                    text_font=cwd+"/fonts/Collegiate-50.bdf",
+                    text_position=((40, 100)),
+                    text_color=(0x8080FF),
+                    text_maxlen=(4), # max text length, only want first 4 chars for number of guides
+                    caption_text=CAPTION,
+                    caption_font=cwd+"/fonts/Collegiate-24.bdf",
+                    caption_position=(40, 60),
+                    caption_color=0xFFFFFF)
+
+# track the last value so we can play a sound when it updates
+last_value = 0
+
+while True:
+    try:
+        value = pyportal.fetch()
+        print("Response is", value)
+        int_value = int(value[:4]) # save only first 4 chars and cast to int
+        if last_value < int_value:  # ooh it went up!
+            print("New guide!")
+            pyportal.play_file(cwd+"/coin.wav")  # make a noise!
+        last_value = int_value
+    except RuntimeError as e:
+        print("Some error occured, retrying! -", e)
+    except ValueError as e:
+        print("Value error occured, retrying! -", e)
+        continue
+
+    time.sleep(600) #update every 10 mins