rm_pdf_backup.py

# Author: Andrew Jorgensen
# SPDX-License-Identifier: MIT-0
"""Download all files from your reMarkable as PDFs

Uses the local web interface (via USB Ethernet).
"""
from json import dumps, load
from os import makedirs
from os.path import exists, join
from sys import stdout
from urllib.request import urlopen

BASE_URL = "http://10.11.99.1"
DOCUMENTS_URL = BASE_URL + "/documents/"
DOWNLOAD_URL = BASE_URL + "/download/"


def download(guid, parent, name):
    name = name.replace("/", "_")
    file = join(parent, name + ".pdf")
    print(file)
    url = DOWNLOAD_URL + guid + "/pdf"
    print(url)
    if exists(file):
        return
    if parent:
        makedirs(parent, exist_ok=True)
    with open(file, "wb") as pdf_f:
        with urlopen(url) as download_u:
            while data := download_u.read(4096):
                pdf_f.write(data)


def get_documents(guid="", parent=""):
    with urlopen(DOCUMENTS_URL + guid) as documents_u:
        documents = load(documents_u)
    for document in documents:
        name = document.get("VissibleName")
        if document.get("Type") == "DocumentType":
            download(document.get("ID"), parent, name)
        elif document.get("Type") == "CollectionType":
            get_documents(document.get("ID"), join(parent, name))


get_documents()