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import urllib.request
import time

def send_to_twitter(msg):
    password_manager = urllib.request.HTTPPasswordMgr()
    password_manager.add_password("Twitter API",
                                  "http://twitter.com/statuses", "MeinName", "MeinPasswort")
    http_handler = urllib.request.HTTPBasicAuthHandler(password_manager)
    page_opener = urllib.request.build_opener(http_handler)
    urllib.request.install_opener(page_opener)
    params = urllib.parse.urlencode( {'status': msg} )
    resp = urllib.request.urlopen("http://twitter.com/statuses/update.json", params)
    resp.read()

def get_price():
    page = urllib.request.urlopen("http://www.beans-r-us.biz/prices.html")
    text = page.read().decode("utf8")
    where = text.find('>$')
    sotp = where [code=python]+ 2
    eotp = sotp + 4
    return float(text[sotp:eotp])

pn = input("Do you want to so the price now (Y/N)? ")
if pn == "Y":
    send_to_twitter(get_price())
else:
    price = 99.99
    while price > 4.74:
        time.sleep(5)
        price = get_price()
    send_to_twitter("Buy!")

Code: Alles auswählen

raceback (most recent call last):
  File "/home/jason/Python_Project/FirstHead/buzzbeans_6step.py", line 25, in <module>
    send_to_twitter(get_price())
  File "/home/jason/Python_Project/FirstHead/buzzbeans_6step.py", line 12, in send_to_twitter
    resp = urllib.request.urlopen("http://twitter.com/statuses/update.json", params)
  File "/usr/lib/python3.2/urllib/request.py", line 138, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib/python3.2/urllib/request.py", line 367, in open
    req = meth(req)
  File "/usr/lib/python3.2/urllib/request.py", line 1066, in do_request_
    raise TypeError("POST data should be bytes"
TypeError: POST data should be bytes or an iterable of bytes. It cannot be str.