Download the latest dax18 podcast(s)

psapifetch_dax18.py

import requests as rq
import os.path as pt
import time
import re


API_URL = 'https://psapi.nrk.no/radio/catalog/podcast/dagsnytt_atten'
MF_URL = 'https://psapi.nrk.no/playback/manifest/podcast'


def fetch_eplist(season):
    eplist_url = API_URL + '/seasons/' + season + '/episodes'
    eplist = rq.get(eplist_url).json()

    if '_embedded' in eplist.keys():
        if 'episodes' in eplist['_embedded']:
            eplist = eplist['_embedded']['episodes']
            return(eplist)
        else:
            print("\nNo episodes available for the specified month.")
            raise SystemExit


def parse(downloadlist):
    episodes = []
    if downloadlist.strip():   
        strs = re.split(';|,|\s', downloadlist)
        episodes = [int(s)-1 for s in strs]
        episodes.sort()
    return(episodes)


def fetch_dld_url(epid):
    mf_url = MF_URL + '/' + epid
    mf = rq.get(mf_url).json()
    dld_url = mf['playable']['assets'][0]['url']
    return(dld_url)


def getfilename(fdate):
    fname = 'dagsnytt_atten_' + fdate  + '.mp3'
    return(fname)


if __name__=='__main__':

    print("\nFetch dax18 podcast episodes via NRK PS API\n---\n")

    lt = time.localtime()
    year = input('Year: ') or str(lt.tm_year)
    month = input('Month: ') or str(lt.tm_mon)
    month = month.zfill(2)

    season = year + month
    episodes = fetch_eplist(season)
    print('\nEpisodes available:\n---')
    for e in episodes:
        wday = time.strftime('%A',time.strptime(e['date'][:10],'%Y-%m-%d'))
        print(str(episodes.index(e)+1).zfill(2) + '. -- ' + e['date'][:10] + ' ' + wday + '\t' + e['titles']['title'])
    
    dld = parse(input('---\nEpisodes to download: '))
    for d in dld:
        epid = episodes[d]['episodeId']
        dld_url = fetch_dld_url(epid)

        fname = getfilename(episodes[d]['date'][:10])
        if not pt.isfile(fname):
            print(" - Downloading file " + fname + "... ",flush=True, end='')
            content = rq.get(dld_url).content
            with open(fname,'w+b') as f:
                f.write(content)
            print("Done.")
        else:
            print(" - File " + fname + " already exists.")

rssfetch_dax18.py

import feedparser
import requests as rq
import os.path as pt


def getfilename(timeobject):
    
    # Mon, 23 Nov 2020 18:30:00 GMT
    # time.struct_time(tm_year = 2020, tm_mon = 11, tm_mday = 20, tm_hour = 18, tm_min = 0, tm_sec = 0, tm_wday = 4, tm_yday = 325, tm_isdst = 0)
    # dagsnytt_atten_2020-11-23.mp3

    filename = 'dagsnytt_atten_' + str(timeobject.tm_year) + '-' + str(timeobject.tm_mon).zfill(2) + '-' + str(timeobject.tm_mday).zfill(2) + '.mp3'

    return(filename)


if __name__=='__main__':

    feed = feedparser.parse('http://podkast.nrk.no/program/dagsnytt_atten.rss')

    entries = feed.entries[:1]

    for e in entries:

        fname = getfilename(e.published_parsed)
        if not pt.isfile(fname):

            dldlink = e.links[0].href
            content = rq.get(dldlink).content

            with open(fname,'w+b') as f:
                f.write(content)

Note: fetching via RSS is now deprecated.