Create a Plex Playlist with what was aired on this today's month-day, sort by oldest first, using PlexAPI

.env

PLEX_URL="http://192.168.1.72:32400"
PLEX_TOKEN=abcdefg

aired_today_playlist.py

"""
Create a Plex Playlist with what was aired on this today's month-day, sort by oldest first.
If Playlist from yesterday exists delete and create today's.
If today's Playlist exists exit.

Make sure PLEX_URL is set in your .env file (e.g. http://192.168.1.72:32400)
Make sure PLEX_TOKEN is set in your .env file (get from app.plex.tv and open your dev console while playing a video)

To build a playlist for a given date:
python aired_today_playlist.py '2019-02-10'

To build a playlist for today's date:
python aired_today_playlist.py
"""

import os, operator, time, sys, datetime
import requests

from dotenv import load_dotenv
from plexapi.server import PlexServer

load_dotenv(verbose=True)

baseurl = os.environ['PLEX_URL']
token = os.environ['PLEX_TOKEN']
plex = PlexServer(baseurl, token)

library_name = ['Movies', 'TV Shows'] # You library names

child_lst = []
aired_lst = []

if len(sys.argv) > 1:
  date_arg = datetime.datetime.strptime(sys.argv[1], '%Y-%m-%d')
  date_in_seconds = time.mktime(date_arg.timetuple())
  today = time.gmtime(date_in_seconds)
else:
  today = time.gmtime(time.time())


TODAY_PLAY_TITLE = 'Aired Today {}-{}'.format(today.tm_mon, today.tm_mday)
print('Building a playlist: {}'.format(TODAY_PLAY_TITLE))

# Remove old Aired Today Playlists
for playlist in plex.playlists():
  if playlist.title == TODAY_PLAY_TITLE.startswith('Aired Today') and not TODAY_PLAY_TITLE:
    r = requests.delete('{}/playlists/{}?X-Plex-Token={}'.format(baseurl, TODAY_PLAY_TITLE, token))
    print('Removing old Aired Today Playlists ')
    print(r)
  elif playlist.title == TODAY_PLAY_TITLE:
    print('{} already exists. No need to make again.'.format(TODAY_PLAY_TITLE))
    exit(0)


# Get all movies or episodes from LIBRARY_NAME
for library in library_name:
  for child in plex.library.section(library).all():
    if child.type == 'movie':
      child_lst += [child]
    elif child.type == 'show':
      child_lst += child.episodes()
    else:
      pass


# Find what aired with today's month-day
# print('Looking for videos that aired in month {} and day {}'.format(str(today.tm_mon), str(today.tm_mday))

for video in child_lst:
  try:
    if str(video.originallyAvailableAt.month) == str(today.tm_mon) \
      and str(video.originallyAvailableAt.day) == str(today.tm_mday):
      aired_lst += [[video] + [str(video.originallyAvailableAt)]]
  except Exception as e:
    pass
  # Sort by original air date, oldest first
  aired_lst = sorted(aired_lst, key=operator.itemgetter(1))

# Remove date used for sorting
play_lst = [x[0] for x in aired_lst]


if len(aired_lst) > 0:
  # Create Playlist
  print('Adding {} videos to playlist.'.format(len(aired_lst)))
  plex.createPlaylist(TODAY_PLAY_TITLE, play_lst)
else:
  print('Nothing to add!')