varia.website/plugins-custom/stream/stream.py

import time
from datetime import datetime
from os import listdir, path

from pelican import signals


def getCreationTime(img):
    creationtime = time.ctime(path.getctime(img))
    date = datetime(creationtime).strftime("%y%m%d")
    print("creationtime", date)
    return date


def getStream(generator):
    for page in generator.pages:
        dir = "/var/www/stream"
        if path.exists(dir):
            images = [
                (getCreationTime(dir + "/" + f), f)
                for f in listdir(dir)
                if path.isfile(path.join(dir, f))
            ]
        else:  # if the website is generated locally
            images = ["placeholder.png"]
        print(">>> The stream is streaming!", images)
        page.stream = images


def register():
    signals.page_generator_finalized.connect(getStream)