infoarena.py

In [25]: session = requests.Session()

In [27]: data = {'username':'palcuiealex', 'password':"bla"}

In [28]: url
Out[28]: 'https://infoarena.ro/login'

In [29]: session.post(url, data=data)
Out[29]: <Response [200]>

In [30]: session.cookies
Out[30]: <RequestsCookieJar[Cookie(version=0, name='__cfduid', value='d83d1879d0e74648f5f40b768b49645561472075137', port=None, port_specified=False, domain='.infoarena.ro', domain_specified=True, domain_initial_dot=True, path='/', path_specified=True, secure=False, expires=1503611137, discard=False, comment=None, comment_url=None, rest={'HttpOnly': None}, rfc2109=False), Cookie(version=0, name='infoarena2_session', value='2k9s4529debpndu04k358i5l47', port=None, port_specified=False, domain='.infoarena.ro', domain_specified=True, domain_initial_dot=True, path='/', path_specified=True, secure=False, expires=None, discard=True, comment=None, comment_url=None, rest={}, rfc2109=False)]>

In [31]: resp = session.get('http://www.infoarena.ro/account')

In [32]: 'Contul meu' in resp.content
Out[32]: True