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radiko の利用できる放送局の一覧をJSONに変換

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radiko.jp で利用できる放送局は次の API で取得できます。
例えば、北海道の放送局は、

wget http://radiko.jp/v2/station/list/JP1.xml

XML なので処理しにくいので JSON にし、日本全国の放送局の一覧に変換しました。

radiko_xml_json.py
# ! /usr/bin/python3
# -*- coding: utf-8 -*-
#
#	radiko_xml_json.py
#
#						Jan/16/2018
# --------------------------------------------------------------------
import xml.dom.minidom
import	sys
import	json
import requests
#
# --------------------------------------------------------------------
def file_write_proc(file_name,str_out):
#
	fp_out = open(file_name,mode='w',encoding='utf-8')
	fp_out.write(str_out)
	fp_out.close()
#
# --------------------------------------------------------------------
# [6-6]: 
def	xml_to_dict_proc (xml_str_in):
	unit_aa = {}
#
	dom_in=xml.dom.minidom.parseString (xml_str_in)
	stations=dom_in.getElementsByTagName ("name")

	for station in stations:
		parent=station.parentNode
		id=parent.getElementsByTagName("id")[0].firstChild.nodeValue
		name=parent.getElementsByTagName("name")[0].firstChild.nodeValue
		print("\t",id,name)
		unit_aa[id] = name
#
	return	unit_aa
# --------------------------------------------------------------------
# [6]: 
def area_parser(key):
	print(key)
	url_radiko = "http://radiko.jp/v2/station/list/" + key + ".xml"
	rr=requests.get(url_radiko)
	xml_str = str(rr.content,'utf-8')
	unit_aa = xml_to_dict_proc (xml_str)
#
	return unit_aa
# --------------------------------------------------------------------
print ("*** 開始 ***")
#
json_file= "stations.json"
#
dict_aa = {}
#
for it in range(47):
	key = "JP%d" % (it+1)  
	unit_aa = area_parser(key)
	dict_aa[key] = unit_aa
#
out_str = json.dumps(dict_aa)
file_write_proc(json_file,out_str)
#
print ("*** 終了 ***")
# --------------------------------------------------------------------

作成された json
radiko_jan16.png

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