davstott/doStuff.py

## doStuff.py
#!/usr/bin/pythonRoot
# bring in the libraries
import RPi.GPIO as G
from flup.server.fcgi import WSGIServer
import sys, urlparse

# set up our GPIO pins
G.setmode(G.BCM)
G.setup(18, G.OUT)

# all of our code now lives within the app() function which is called for each http request we receive
def app(environ, start_response):
  # start our http response
  start_response("200 OK", [("Content-Type", "text/html")])
  # look for inputs on the URL
  i = urlparse.parse_qs(environ["QUERY_STRING"])
  yield ('&nbsp;') # flup expects a string to be returned from this function
  # if there's a url variable named 'q'
  if "q" in i:
    if i["q"][0] == "w":
      G.output(18, True)   # Turn it on
    elif i["q"][0] == "s":
      G.output(18, False)  # Turn it off

#by default, Flup works out how to bind to the web server for us, so just call it with our app() function and let it get on with it
WSGIServer(app).run()

## index.html
<html>
  <head>
    <title>Hello from the Pi</title>
  </head>
  <body>
    <h1>Hello world from the Raspberry Pi</h1>
  </body>
</html>

## indexWithJs.html
 <head>
    <title>Hello from the Pi</title>
  	<script src="//ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js"></script>
  </head>
  <body>
    <h1>Hello world from the Raspberry Pi</h1>
    <form>
    	<input type="button" value="On" onclick="go('w')" style="font-size:200%;"><br />
    	<input type="button" value="Off" onclick="go('s')" style="font-size:200%;">
    </form>
    <script type="text/javascript">
      function go(qry) {
	    new Ajax.Request('doStuff.py?q=' + qry,
	    	{method: 'GET'}
        );
      }
    </script>
  </body>
</html>

## myFile.py
#!/usr/bin/python
import RPi.GPIO as G # reference the GPIO library
G.setmode(G.BCM)     # use the 'BCM' numbering scheme for the pins
G.setup(18, G.OUT)   # Set pin 18 as an Output
G.output(18, True)   # Turn it on
raw_input('Press return to exit')
G.cleanup()          # Tidy up after ourselves so we don't generate warnings next time we run this

## myFileWithUser.py
#!/usr/bin/python
import RPi.GPIO as G     # reference the GPIO library
G.setmode(G.BCM)         # use the 'BCM' numbering scheme for the pins
G.setup(18, G.OUT)       # Set pin 18 as an Output
while (True):            # keep going around this loop until we're told to quit
  key = raw_input("Enter 'w' for On, 's' for Off and any other key to quit. You'll need to press enter after each character: ")
  if key == "w":
    G.output(18, True)   # Turn it on
  elif key == "s":
    G.output(18, False)  # Turn it off
  else:
    break                # leave our loop
G.cleanup()              # Tidy up after ourselves so we don't generate warnings next time we run this
	#!/usr/bin/pythonRoot
	# bring in the libraries
	import RPi.GPIO as G
	from flup.server.fcgi import WSGIServer
	import sys, urlparse

	# set up our GPIO pins
	G.setmode(G.BCM)
	G.setup(18, G.OUT)

	# all of our code now lives within the app() function which is called for each http request we receive
	def app(environ, start_response):
	# start our http response
	start_response("200 OK", [("Content-Type", "text/html")])
	# look for inputs on the URL
	i = urlparse.parse_qs(environ["QUERY_STRING"])
	yield (' ') # flup expects a string to be returned from this function
	# if there's a url variable named 'q'
	if "q" in i:
	if i["q"][0] == "w":
	G.output(18, True) # Turn it on
	elif i["q"][0] == "s":
	G.output(18, False) # Turn it off

	#by default, Flup works out how to bind to the web server for us, so just call it with our app() function and let it get on with it
	WSGIServer(app).run()
	<html>
	<head>
	<title>Hello from the Pi</title>
	</head>
	<body>
	<h1>Hello world from the Raspberry Pi</h1>
	</body>
	</html>
	<head>
	<title>Hello from the Pi</title>
	<script src="//ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js"></script>
	</head>
	<body>
	<h1>Hello world from the Raspberry Pi</h1>
	<form>
	<input type="button" value="On" onclick="go('w')" style="font-size:200%;"><br />
	<input type="button" value="Off" onclick="go('s')" style="font-size:200%;">
	</form>
	<script type="text/javascript">
	function go(qry) {
	new Ajax.Request('doStuff.py?q=' + qry,
	{method: 'GET'}
	);
	}
	</script>
	</body>
	</html>
	#!/usr/bin/python
	import RPi.GPIO as G # reference the GPIO library
	G.setmode(G.BCM) # use the 'BCM' numbering scheme for the pins
	G.setup(18, G.OUT) # Set pin 18 as an Output
	G.output(18, True) # Turn it on
	raw_input('Press return to exit')
	G.cleanup() # Tidy up after ourselves so we don't generate warnings next time we run this