A sample fb app

#!/usr/bin/python
# coding: utf-8

# Most of this code I found on the Internet, but I don't recall where.  Don't ask me how it works.
# It just does.  At least it just does as of today, 22 Aug 2013.
#
#  As-is, some weather data from my weather station and an image are posted on
#  Facebook under my user ID.
#  The machine sending the data can post the data without any manual involvement on my part.
#
# I hope this helps somebody.
#
# GDN
# [email protected]

import facebook
import urllib
import urlparse
import subprocess
import warnings

# Hide deprecation warnings. The facebook module isn't that up-to-date (facebook.GraphAPIError).
warnings.filterwarnings('ignore', category=DeprecationWarning)


# Parameters of your app and the id of the profile you want to mess with.
FACEBOOK_APP_ID     = 'your app id here'
FACEBOOK_APP_SECRET = 'your app secret here'
FACEBOOK_PROFILE_ID = 'your profile ID number here'


# Trying to get an access token. Very awkward. (original author's comment, not mine.  GDN)
oauth_args = dict(client_id     = FACEBOOK_APP_ID,
                  client_secret = FACEBOOK_APP_SECRET,
                  grant_type    = 'client_credentials')
oauth_curl_cmd = ['curl',
                  'https://graph.facebook.com/oauth/access_token?' + urllib.urlencode(oauth_args)]
oauth_response = subprocess.Popen(oauth_curl_cmd,
                                  stdout = subprocess.PIPE,
                                  stderr = subprocess.PIPE).communicate()[0]

try:
    oauth_access_token = urlparse.parse_qs(str(oauth_response))['access_token'] [0]
except KeyError:
    print('Unable to grab an access token!')
    exit()

facebook_graph = facebook.GraphAPI(oauth_access_token)

# The following line reads a local file containing weather data to post on facebook.  GDN
linestring = open('/var/www/weewx/mobile.html', 'r').read()
print linestring

# The following lines attach an image and link to the posting.  GDN
attachment = {
        "name": "nincehelser.com",
        "link": "http://nincehelser.com",
        "caption": "Current Peru Weather",
        "description": linestring,
        "picture": "http://nincehelser.com/kneperu2/image.jpg"
        }




# Try to post something on the wall.
try:
    fb_response = facebook_graph.put_wall_post(linestring, attachment, profile_id  = FACEBOOK_PROFILE_ID )
    print fb_response
except facebook.GraphAPIError as e:
    print 'Something went wrong:', e.type, e.message