Created
March 7, 2014 23:18
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Internet Connected Joke Machine Code
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| #! /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 |
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| #!/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'"','"',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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