Curiouscat backup

import requests
import json
import time
import logging
import random

CURIOUSCAT_BASE_URL = "https://curiouscat.live/api/v2.1/profile"

### Curiouscat profile downloader
# Usage : [script] username
# Will use the curiouscat API to download all of a specific profile's messages
# The resulting json files are stored in a folder named "archive" in the execution directory
#


if __name__ == "__main__":
    import argparse
    import sys
    from datetime import datetime
    from pathlib import Path
    import os
    logging.basicConfig(level=logging.DEBUG)

    # Username command line argument
    argparseur = argparse.ArgumentParser(usage="Save curiouscat profiles")
    argparseur.add_argument("username",nargs=1)

    args = argparseur.parse_args()

    username = args.username[0]

    timestamp = datetime.now().timestamp()

    num_posts = 1

    page_num = 1

    # Looping on contents returned by the API
    while num_posts > 0:
        page_num += 1
        CURIOUSCAT_URL_PARAMS = f"?username={username}&max_timestamp={timestamp}&_ob=noregisterOrSignin2"
        URL = CURIOUSCAT_BASE_URL+CURIOUSCAT_URL_PARAMS

        #API query
        resp = requests.get(url=URL)
        body = resp.content
        respdict = json.loads(body)

        #preparing the file path
        date_string = datetime.fromtimestamp(timestamp).strftime("%Y%m%d-%H%M%S")
        dir_name = f"archive/{username}"
        dir_path = Path(dir_name)
        dir_path.mkdir(parents=True, exist_ok=True)
        file_path = Path(dir_path,f"{username}_archive_{date_string}.json")

        #saving to archive dir,
        # in a subdirectory named after the username of the profile
        with open(file_path,"w") as out_file:
            json.dump(respdict,out_file,indent=4)

        # Control for the end of the crawling
        # Curiouscat returns a limited number of messages per query
        # The next "page" can be deduced from the timestamp of the last message returned in the
        # response
        num_posts = len(respdict["posts"])
        if  num_posts > 0:
            old_timestamp = timestamp
            timestamp = respdict["posts"][-1]["post"]["timestamp"]
            timestamp = int(timestamp)
            if timestamp == old_timestamp:
                break
            time.sleep(1+random.random())


    sys.exit(0)