A function, which given a list of Twitter users, creates NetworkX object of relationships.

twitter_network.py

def twitter_network(users, api, user_type="search", alt_type="friend"):
    """
    Given a list of Twitter users, create NetworkX object of relationships.
    args:   users           List of Twitter users as strings
            user_types      Type string for entries in 'users'
    """
    twitter_network=nx.DiGraph()
    # Iteratively create network with appropriate type data
    users=list(users)
    for u in users:
        try:
            user=api.GetUser(u)
            if user.protected is False:
                user_friends=api.GetFriends(u)
                for j in user_friends:
                    friend_name=j.screen_name
                    twitter_network.add_nodes_from([u,friend_name], type=alt_type)
                    twitter_network.add_edge(u,friend_name)
        except twitter.TwitterError:
            print("Warning: user "+u+" was not found. Ignoring.")
            users.remove(u)
    # Reset node type for users
    twitter_network.add_nodes_from(users, type=user_type)
    return twitter_network, nx.weakly_connected_component_subgraphs(twitter_network)[0], nx.subgraph(twitter_network, users)