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Internet Connected Joke Machine Code
#! /bin/sh
# /etc/init.d/quoteStart
# Tim Massaro for the Internet Connected Joke Machine
### BEGIN INIT INFO
# Provides: quoteStart
# Required-Start: $syslog
# Required-Stop: $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start the Quote Machine
# Description: call script to display IP Address on PiFace CAD
#
### END INIT INFO
# call script to put IP address on PiFace CAD
/home/pi/bin/TheQuoteMachine.py
#!/usr/bin/python
#Button Handling based on this https://gist.github.com/larsks/6161684
#Main script by Tim Massaro for The Internet Connected Joke Machine
#import pifacecommon.core
import pifacecommon.interrupts
import os
import time
import pifacecad
import pycurl
import StringIO
import textwrap
import string
import re
page = 0
maxPage = 0
quit = False
split_quote = ['---']
def print_flag(event):
print 'You pressed button', event.pin_num, '.'
def get_quote_button(event):
global page
global split_quote
split_quote = get_quote()
page=0
print_page(split_quote,page)
def page_next(event): # display the next 2 lines of quote
global page
global split_quote
global maxPage
if page+2 > maxPage: # don't go past the end
page = maxPage
else:
page = page + 2
print_page(split_quote,page)
def page_back(event): # redisplay the previous part of quote
global page
global split_quote
if page > 2:
page = page -2
else:
page = 0
print_page(split_quote,page)
page = page
def stop_listening(event):
global quit
quit = True
def get_quote():
global maxPage
c = pycurl.Curl()
# Get text version of a quote, we are getting one-liners, but other source types
# are available such as fortune and famousquotes, see iheartquotes.com
c.setopt(c.URL, 'http://iheartquotes.com/api/v1/random?source=oneliners')
contents = StringIO.StringIO()
c.setopt(c.WRITEFUNCTION, contents.write)
c.perform()
lineout = contents.getvalue()
lineout = re.sub(r'&quot','"',lineout)
# Remove the last section of the data...refers to the source webpage
lineout = re.sub(r'\[oneliners.*','',lineout)
formatted_text = textwrap.fill(lineout,width=16)
splitted = string.split(formatted_text, '\n')
if bool(len(splitted) % 2):
# odd number so add a line to make it even or we would page off end
splitted.append("----")
maxPage = len(splitted)
return splitted
def print_page(splitted,page):
cad.lcd.home
cad.lcd.clear()
if page < maxPage:
print splitted[page]
cad.lcd.write(splitted[page])
cad.lcd.write("\n")
print splitted[page+1]
cad.lcd.write(splitted[page+1])
cad = pifacecad.PiFaceCAD()
# this is the text to be left off the results from iheartquotes
#p = re.compile('\[oneliners*') # regular expression for sources
listener = pifacecad.SwitchEventListener(chip=cad)
# set up listeners for all buttons including the CAD Rocker
listener.register(0, pifacecommon.interrupts.IODIR_ON, page_back)
listener.register(1, pifacecommon.interrupts.IODIR_ON, page_next)
listener.register(2, pifacecommon.interrupts.IODIR_ON, get_quote_button)
listener.register(3, pifacecommon.interrupts.IODIR_ON, stop_listening)
listener.register(4, pifacecommon.interrupts.IODIR_ON, print_flag)
listener.register(5, pifacecommon.interrupts.IODIR_ON, print_flag)
listener.register(6, pifacecommon.interrupts.IODIR_ON, print_flag)
listener.register(7, pifacecommon.interrupts.IODIR_ON, print_flag)
#listener.register(KEY_1,pifacecommon.interrupts.IODIR_ON, print_flag)
# Start listening for events. This spawns a new thread.
listener.activate()
cad.lcd.backlight_on()
split_quote = get_quote()
print_page(split_quote,page)
# Hang around until someone presses button 3.
while not quit:
time.sleep(1)
print 'Thank you and good night - button 3 (quitting)'
cad.lcd.write("Bye!\n")
cad.lcd.home
cad.lcd.clear()
cad.lcd.backlight_off()
listener.deactivate()
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