Rename protosign to protoboard

protoboard.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from vestactrl import setup_digits, board_init_uart
+import textwrap
+import urllib2
+import json
+import time
+
+def send_sign(text):
+    """
+    Wraps and sends text to the Vestaboard.
+    """
+    COLS = 22
+    ROWS = 6
+
+    # Wrap text to fit the board's width.
+    lines = textwrap.wrap(text, width=COLS)
+
+    # Truncate if the message is too long for the board's height.
+    if len(lines) > ROWS:
+        lines = lines[:ROWS]
+
+    # The board controller expects spaces to be replaced with `0 for a blank character.
+    board_lines = [line.replace(' ', '`0') for line in lines]
+
+    # setup_digits handles displaying the lines on the board.
+    # It will also vertically center the block of text.
+    setup_digits(board_lines, left_to_right_swap=False, real_hw=True)
+
+
+def poll_and_display():
+    """
+    Polls the Protospace API and displays the sign message.
+    """
+    last_message = ""
+    url = 'https://api.my.protospace.ca/stats/'
+
+    while True:
+        try:
+            response = urllib2.urlopen(url)
+            data = json.load(response)
+            message = data.get('sign')
+
+            if message and message != last_message:
+                print "Updating sign with new message: " + message
+                send_sign(message.encode('utf-8'))
+                last_message = message
+
+        except (urllib2.URLError, ValueError, KeyError) as e:
+            print "Error: {}".format(e)
+
+        time.sleep(5)
+
+
+if __name__ == '__main__':
+    # Initialize communication with the board.
+    board_init_uart()
+    poll_and_display()