batch download guardian quick crosswords

xword.py

import os
import datetime
import calendar
import requests
import tempfile
import atexit
import shutil
import PyPDF2

START_DATETIME = datetime.date(2020,1,1)
END_DATETIME = datetime.date(2020,6,1)
TARGET_DIR = 

target = "x_words_%s_%s.pdf" % (str(START_DATETIME), str(END_DATETIME))
target = os.path.join(TARGET_DIR, target)
print(target)

template_url = 'https://crosswords-static.guim.co.uk/gdn.quick.%s.pdf'
s = START_DATETIME
tmp_dir = tempfile.mkdtemp(prefix='xwords')
atexit.register(shutil.rmtree, tmp_dir)
all_paths = []
while s < END_DATETIME:
    s += datetime.timedelta(1)
    weekday = calendar.weekday(s.year, s.month, s.day)
    if weekday < 6:
        url = template_url % s.strftime("%Y%m%d")
        r = requests.get(url)
        if r.status_code == 200:
            path = os.path.join(tmp_dir, os.path.basename(url))
            with open(path, 'wb') as f:
                f.write(r.content)
                print(s, 'OK')
            all_paths.append(path)

        else:
            print(s, r)

merger = PyPDF2.PdfFileMerger()
for pdf in all_paths:
    merger.append(open(pdf, 'rb'))
with open(target, "wb") as fout:
    merger.write(fout)