From 5246fee2d073b154fa61768981f8c8e90afe77cd Mon Sep 17 00:00:00 2001
From: Harold Dyson <hdyson@gmail.com>
Date: Mon, 10 Dec 2018 21:27:31 +0000
Subject: [PATCH 1/2] Example commit to experiment with

---
 Blinky_lights/tree.py | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)
 mode change 100644 => 100755 Blinky_lights/tree.py

diff --git a/Blinky_lights/tree.py b/Blinky_lights/tree.py
old mode 100644
new mode 100755
index d253c00..4413187
--- a/Blinky_lights/tree.py
+++ b/Blinky_lights/tree.py
@@ -1,22 +1,27 @@
+#!/usr/bin/env python
 # Simple demo of of the WS2801/SPI-like addressable RGB LED lights.
-import time
 import pixel_strings_fncs as q
- 
+
 # Configure the count of pixels:
 PIXEL_COUNT = 46
 
-top = [x+37 for x in range(9)]
-middle = [x+22 for x in range(11)]
-bottom = range(18)
 
-pixels = q.initialise_pixels(PIXEL_COUNT)
+def set_tree():
+    '''Insert docstring here'''
+    top = range(37, 46)
+    middle = range(22, 33)
+    bottom = range(18)
+
+    pixels = q.initialise_pixels(PIXEL_COUNT)
 
-top_state    = q.make_rainbow_state(top)
-middle_state = q.make_rainbow_state(middle)
-bottom_state = q.make_rainbow_state(bottom)
-q.set_state(pixels, top, top_state)
-q.set_state(pixels, middle, middle_state)
-q.set_state(pixels, bottom, bottom_state)
-pixels.show()
+    top_state = q.make_rainbow_state(top)
+    middle_state = q.make_rainbow_state(middle)
+    bottom_state = q.make_rainbow_state(bottom)
+    q.set_state(pixels, top, top_state)
+    q.set_state(pixels, middle, middle_state)
+    q.set_state(pixels, bottom, bottom_state)
+    pixels.show()
 
 
+if __name__ == '__main__':
+    set_tree()

From 17315aeda5296248938e62c707232c5112da7cb0 Mon Sep 17 00:00:00 2001
From: Harold Dyson <hdyson@gmail.com>
Date: Mon, 10 Dec 2018 22:02:27 +0000
Subject: [PATCH 2/2] Added proof of concept flask wrapper.

---
 Blinky_lights/tree.py | 52 +++++++++++++++++++++++++++++++++++--------
 1 file changed, 43 insertions(+), 9 deletions(-)

diff --git a/Blinky_lights/tree.py b/Blinky_lights/tree.py
index 4413187..1fee7bf 100755
--- a/Blinky_lights/tree.py
+++ b/Blinky_lights/tree.py
@@ -1,25 +1,59 @@
 #!/usr/bin/env python
 # Simple demo of of the WS2801/SPI-like addressable RGB LED lights.
+from flask import Flask
+# To install and run flask:
+# $ pip install Flask
+# $ FLASK_APP=tree.py flask run
+# and then point a webbrowser to the Pi's IP address, port 5000 and page
+# top/colour, middle/colour, bottom/colour (i.e.
+# http://aaa.bbb.ccc.ddd:5000/top/RGB). Not sure how you're expressing RGB,
+# but it should be the same in the URL as in the q.make_colour_state
+# function.  Dynamic DNS and a proper webserver (e.g. apache) needed for more
+# than basic testing! I can help set this up.  Ideally, you'd run a browser
+# locally on the pi, in which case you can use http://localhost:5000/top/RGB.
+# We should probably show something in the browser too.
+
 import pixel_strings_fncs as q
 
+
+app = Flask(__name__)
 # Configure the count of pixels:
 PIXEL_COUNT = 46
+TOP = range(37, 46)
+MIDDLE = range(22, 33)
+BOTTOM = range(18)
 
 
 def set_tree():
     '''Insert docstring here'''
-    top = range(37, 46)
-    middle = range(22, 33)
-    bottom = range(18)
+    pixels = q.initialise_pixels(PIXEL_COUNT)
+    top_state = q.make_rainbow_state(TOP)
+    middle_state = q.make_rainbow_state(MIDDLE)
+    bottom_state = q.make_rainbow_state(BOTTOM)
+    q.set_state(pixels, TOP, top_state)
+    q.set_state(pixels, MIDDLE, middle_state)
+    q.set_state(pixels, BOTTOM, bottom_state)
+    pixels.show()
+
+
+@app.route('/top/<colour>')
+def set_top(colour):
+    pixels = q.initialise_pixels(PIXEL_COUNT)
+    q.set_state_rgb(pixels, TOP, q.make_colour_state(TOP, colour))
+    pixels.show()
+
 
+@app.route('/middle/<colour>')
+def set_middle(colour):
     pixels = q.initialise_pixels(PIXEL_COUNT)
+    q.set_state_rgb(pixels, MIDDLE, q.make_colour_state(MIDDLE, colour))
+    pixels.show()
+
 
-    top_state = q.make_rainbow_state(top)
-    middle_state = q.make_rainbow_state(middle)
-    bottom_state = q.make_rainbow_state(bottom)
-    q.set_state(pixels, top, top_state)
-    q.set_state(pixels, middle, middle_state)
-    q.set_state(pixels, bottom, bottom_state)
+@app.route('/bottom/<colour>')
+def set_bottom(colour):
+    pixels = q.initialise_pixels(PIXEL_COUNT)
+    q.set_state_rgb(pixels, BOTTOM, q.make_colour_state(BOTTOM, colour))
     pixels.show()