def fetch(self): """ Fetches page to finalize initialization and the CAPTCHA question """ page = urlopen(self.ref).read() self.data['MAX_FILE_SIZE'] = RE_MAXSIZE.search(page).group(1) self.captcha = ReCaptcha(page) self.captcha.fetch()
class Poster:
"""
Post on 4chan through simple web scraping
"""
data = { 'mode' : 'regist',
'submit' : 'Post'}
def __init__(self, board, post, thread=None, pwd="", filename=None):
if thread:
self.ref = THREAD % (board, thread)
self.data['resto'] = str(thread)
else:
self.ref = BOARD % board
self.board = board
self.file = filename
self.data['com'] = post.comment
if post.user:
self.data['name'] = post.user.name
self.data['email'] = post.user.email
#self.data['sub'] = post.subject
self.data['pwd'] = pwd
# spoiler?
def fetch(self):
"""
Fetches page to finalize initialization and the CAPTCHA question
"""
page = urlopen(self.ref).read()
self.data['MAX_FILE_SIZE'] = RE_MAXSIZE.search(page).group(1)
self.captcha = ReCaptcha(page)
self.captcha.fetch()
def post(self):
"""
Completes posting
CAPTCHA must be solved at this point
raises Exception, when 4chan doesn't accept your post
"""
self.data.update(self.captcha.getData())
form = http.MultiPartForm()
for k,v in self.data.iteritems():
form.add_field(k, v)
if self.file:
form.add_file('upfile', self.file, open(self.file, 'r'))
request = Request(POST % self.board)
request.add_header('User-agent', USER_AGENT)
request.add_header('Referer', self.ref)
body = str(form)
request.add_header('Content-type', form.get_content_type())
request.add_header('Content-length', len(body))
request.add_data(body)
response = urlopen(request).read()
err = RE_POSTERROR.search(response)
if err:
raise Exception("4chan says: "+err.group(1))
