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import os, sys; sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", ".."))
from pattern.web import Facebook, NEWS, COMMENTS, LIKES
from pattern.db import Datasheet, pprint, pd
# The Facebook API can be used to search public status updates (no license needed).
# It can also be used to get status updates, comments and persons that liked it,
# from a given profile or product page.
# This requires a personal license key.
# If you are logged in to Facebook, you can get a license key here:
# http://www.clips.ua.ac.be/pattern-facebook
# (We don't / can't store your information).
# 1) Searching for public status updates.
# Search for all status updates that contain the word "horrible".
try:
# We'll store the status updates in a Datasheet.
# A Datasheet is a table of rows and columns that can be exported as a CSV-file.
# In the first column, we'll store a unique id for each status update.
# We only want to add new status updates, i.e., those we haven't seen yet.
# With an index on the first column we can quickly check if an id already exists.
table = Datasheet.load(pd("opinions.csv"))
index = set(table.columns[0])
except:
table = Datasheet()
index = set()
fb = Facebook()
# With Facebook.search(cached=False), a "live" request is sent to Facebook:
# we get the most recent results instead of those in the local cache.
# Keeping a local cache can also be useful (e.g., while testing)
# because a query is instant when it is executed the second time.
for status in fb.search("horrible", count=25, cached=False):
print "=" * 100
print status.id
print status.text
print status.author # Yields an (id, name)-tuple.
print status.date
print status.likes
print status.comments
print
# Only add the tweet to the table if it doesn't already exists.
if len(table) == 0 or status.id not in index:
table.append([status.id, status.text])
index.add(status.id)
# Create a .csv in pattern/examples/01-web/
table.save(pd("opinions.csv"))
# 2) Status updates from specific profiles.
# For this you need a personal license key:
# http://www.clips.ua.ac.be/pattern-facebook
license = ""
if license != "":
fb = Facebook(license)
# Facebook.profile() returns a dictionary with author info.
# By default, this is your own profile.
# You can also supply the id of another profile,
# or the name of a product page.
me = fb.profile()["id"]
for status in fb.search(me, type=NEWS, count=30, cached=False):
print "-" * 100
print status.id # Status update unique id.
print status.title # Status title (i.e., the id of the page or event given as URL).
print status.text # Status update text.
print status.url # Status update image, external link, ...
if status.comments > 0:
# Retrieve comments on the status update.
print "%s comments:" % status.comments
print [(x.author, x.text, x.likes) for x in fb.search(status.id, type=COMMENTS)]
if status.likes > 0:
# Retrieve likes on the status update.
print "%s likes:" % status.likes
print [x.author for x in fb.search(status.id, type=LIKES)]
print
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