2ちゃんねるのken.cgiをPythonで利用する。http://blog.livedoor.jp/hamu_nbr/archives/32035188.html に掲載。

pyken2ch.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
Convert hostname (or IP address) into the name of prefecture.
"""

__author__ = "Hamukichi (Nombiri) <Twitter: @hamukichi_nbr>"
__version__ = "1.00"
__date__ = "September 13, 2013"
__licence__ = "MIT License"


# Import modules
import requests

# The default URI of ken.cgi
KENURI = "http://ken.2ch.net/ken.cgi"

class Ken2ch:

    def __init__(self, kenuri = KENURI):
        """
        Initialize the class "Ken2ch".
        
        [Parameters]
    
        kenuri = KENURI
        The URI of ken.cgi.
        """
    
        self.kenuri = kenuri
    
    def GetPref(self, ip = None, host = None, mode = 1, keitai = None):
        """
        Get the name of prefecture, using ken.cgi. 
        
        [Parameters]
        
        ip = None
        Specify the IP address.
        It is recommended that you use "host" instead of "ip".
        
        host = None
        Specify the Hostname.
        If you specify, the parameter "ip" will be ignored.
        
        mode = 1
        Specify how to express the result.
        Please access http://ken.2ch.net/shikibetsu/
        for more detailed information.
        
        keitai = None
        Specify keitai ID such as i-mode ID or EZ number.
        
        [Return Values]
        
        (str or NoneType)
        The name of prefecture we acquired using ken.cgi. 
        """
    
        self.errormsg = None
    
        # The parameter(s) which will be sent to ken.cgi
        self.params = {}
        if (host is None) and (not ip is None):
            self.params["ip"] = ip
        if not host is None:
            self.params["host"] = host
        self.params["mode"] = mode
        if not keitai is None:
            self.params["keitai"] = keitai
        
        # Access ken.cgi
        self.req = requests.get(self.kenuri, params = self.params)
        self.pref = self.req.content.decode(self.req.encoding)
        self.req.close()

        return self.pref

def main():
    """
    Function for demonstration.
    """
    print "[Example]"
    hosts = ["www.city.kyoto.lg.jp", "www.city.osaka.lg.jp", "www.city.kobe.lg.jp"]
    k = Ken2ch()
    for h in hosts:
        print h, " -> ", k.GetPref(host = h)

if __name__ == "__main__":
    main()