python – 使用Dryscrape登录Facebook

我正在使用OSX

Traceback (most recent call last):
  File "/Users/noppanit/.virtualenvs/envpy3/lib/python3.4/site-packages/webkit_server.py",line 420,in __init__
    self._port = int(re.search(b"port: (d+)",output).group(1))
AttributeError: 'NoneType' object has no attribute 'group'

During handling of the above exception,another exception occurred:

Traceback (most recent call last):
  File "facebook_scraper.py",line 40,in <module>
    sess = dryscrape.Session(base_url = 'https://www.facebook.com')
  File "/Users/noppanit/.virtualenvs/envpy3/lib/python3.4/site-packages/dryscrape/session.py",line 22,in __init__
    self.driver = driver or DefaultDriver()
  File "/Users/noppanit/.virtualenvs/envpy3/lib/python3.4/site-packages/dryscrape/driver/webkit.py",line 30,in __init__
    super(Driver,self).__init__(**kw)
  File "/Users/noppanit/.virtualenvs/envpy3/lib/python3.4/site-packages/webkit_server.py",line 230,in __init__
    self.conn = connection or ServerConnection()
  File "/Users/noppanit/.virtualenvs/envpy3/lib/python3.4/site-packages/webkit_server.py",line 507,in __init__
    self._sock = (server or get_default_server()).connect()
  File "/Users/noppanit/.virtualenvs/envpy3/lib/python3.4/site-packages/webkit_server.py",line 450,in get_default_server
    _default_server = Server()
  File "/Users/noppanit/.virtualenvs/envpy3/lib/python3.4/site-packages/webkit_server.py",line 427,in __init__
    raise WebkitServerError("webkit-server failed to start. Output:n" + err)
webkit_server.WebkitServerError: webkit-server failed to start. Output:
dyld: Library not loaded: @rpath/./libQtWebKit.4.dylib
  Referenced from: /Users/noppanit/.virtualenvs/envpy3/lib/python3.4/site-packages/webkit_server
  Reason: image not found

这是代码段.

import dryscrape

# make sure you have xvfb installed
dryscrape.start_xvfb()

# set up a web scraping session
sess = dryscrape.Session(base_url = 'https://www.facebook.com')

# we don't need images
sess.set_attribute('auto_load_images',False)

# visit homepage and search for a term
sess.visit('/')
q = sess.at_xpath('//*[@id="email"]')
q.set('email')
q = sess.at_xpath('//*[@id="pass"]')
q.set("password")
login_button = sess.at_xpath('//*[@id="u_0_x"]')
login_button.click()

# save a screenshot of the web page
sess.render('facebook.png')
print("Screenshot written to 'facebook.png'")