h/plugins/twitter.py

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2009-03-15 04:14:07 +00:00
"""
twitter.py: written by Scaevolus 2009
retrieves most recent tweets
"""
import re
import random
import urllib2
from lxml import etree
from time import strptime, strftime
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from util import hook
def unescape_xml(string):
# unescape the 5 chars that might be escaped in xml
# gratuitously functional
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# return reduce(lambda x, y: x.replace(*y), (string,
# zip('&gt; &lt; &apos; &quote; &amp'.split(), '> < \' " &'.split()))
# boring, normal
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return string.replace('&gt;', '>').replace('&lt;', '<').replace('&apos;',
"'").replace('&quote;', '"').replace('&amp;', '&')
@hook.command
def twitter(inp):
".twitter <user>/<user> <n>/<id>/#<hashtag> -- gets last/<n>th tweet from"\
"<user>/gets tweet <id>/gets random tweet with #<hashtag>"
inp = inp.strip()
if not inp:
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return twitter.__doc__
url = 'http://twitter.com'
getting_nth = False
getting_id = False
searching_hashtag = False
if re.match(r'^\d+$', inp):
getting_id = True
url += '/statuses/show/%s.xml' % inp
elif re.match(r'^\w{1,15}$', inp):
url += '/statuses/user_timeline/%s.xml?count=1' % inp
elif re.match(r'^\w{1,15}\s+\d+$', inp):
getting_nth = True
name, num = inp.split()
if int(num) > 3200:
return 'error: only supports up to the 3200th tweet'
url += '/statuses/user_timeline/%s.xml?count=1&page=%s' % (name, num)
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elif re.match(r'^#\w+$', inp):
url = 'http://search.twitter.com/search.atom?q=%23' + inp[1:]
searching_hashtag = True
else:
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return 'error: invalid request'
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try:
xml = urllib2.urlopen(url).read()
except urllib2.HTTPError, e:
errors = {400 : 'bad request (ratelimited?)',
401: 'tweet is private',
404: 'invalid user/id',
500: 'twitter is broken',
502: 'twitter is down ("getting upgraded")',
503: 'twitter is overloaded (lol, RoR)'}
if e.code == 404:
return 'error: invalid ' + ['username', 'tweet id'][getting_id]
if e.code in errors:
return 'error: ' + errors[e.code]
return 'error: unknown'
tweet = etree.fromstring(xml)
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if searching_hashtag:
ns = '{http://www.w3.org/2005/Atom}'
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tweets = tweet.findall(ns + 'entry/' + ns + 'id')
if not tweets:
return 'error: hashtag not found'
id = random.choice(tweets).text
id = id[id.rfind(':') + 1:]
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print id
return twitter(id)
if not getting_id:
tweet = tweet.find('status')
if tweet is None:
if getting_nth:
return 'error: user does not have that many tweets'
else:
return 'error: user has no tweets'
time = strftime('%Y-%m-%d %H:%M:%S',
strptime(tweet.find('created_at').text,
'%a %b %d %H:%M:%S +0000 %Y'))
screen_name = tweet.find('user/screen_name').text
text = unescape_xml(tweet.find('text').text.replace('\n', ''))
return "%s %s: %s" % (time, screen_name, text)