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twfriends.py
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70 lines (61 loc) · 2.27 KB
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import sqlite3
import urllib
import xml.etree.ElementTree as ET
TWITTER_URL = 'http://api.twitter.com/l/statuses/friends/ACCT.xml'
conn = sqlite3.connect('twdata.db')
cur = conn.cursor()
cur.execute('''CREATE TABLE IF NOT EXISTS People
(id INTEGER PRIMARY KEY, name TEXT UNIQUE, retrieved INTEGER)''')
cur.execute('''CREATE TABLE IF NOT EXISTS Follows
(from_id INTEGER, to_id INTEGER, UNIQUE(from_id, to_id))''')
while True:
acct = raw_input('Enter a Twitter account, or quit: ')
if ( acct == 'quit' ) : break
if ( len(acct) < 1 ) :
cur.execute('SELECT id, name FROM People WHERE retrieved = 0 LIMIT 1')
try:
(id, acct) = cur.fetchone()
except:
print 'No unretrieved Twitter accounts found'
continue
else:
cur.execute('SELECT id FROM People WHERE name = ? LIMIT 1',
(acct, ) )
try:
id = cur.fetchone()[0]
except:
cur.execute('INSERT OR IGNORE INTO People (name, retrieved) VALUES ( ?, 0)',
( acct, ) )
conn.commit()
if cur.rowcount != 1 :
print 'Error inserting account:',acct
continue
id = cur.lastrowid
url = TWITTER_URL.replace('ACCT', acct)
print 'Retrieving', url
document = urllib.urlopen (url).read()
tree = ET.fromstring(document)
cur.execute('UPDATE People SET retrieved=1 WHERE name = ?', (acct, ) )
countnew = 0
countold = 0
for user in tree.findall('user'):
friend = user.find('screen_name').text
cur.execute('SELECT id FROM People WHERE name = ? LIMIT 1',
(friend, ) )
try:
friend_id = cur.fetchone()[0]
countold = countold + 1
except:
cur.execute('''INSERT OR IGNORE INTO People (name, retrieved)
VALUES ( ?, 0)''', ( friend, ) )
conn.commit()
if cur.rowcount != 1 :
print 'Error inserting account:',friend
continue
friend_id = cur.lastrowid
countnew = countnew + 1
cur.execute('INSERT OR IGNORE INTO Follows (from_id, to_id) VALUES (?, ?)',
(id, friend_id) )
print 'New accounts=',countnew,' revisited=',countold
conn.commit()
cur.close()