linkding/bookmarks/services/singlefile.py
Sascha Ißbrücker 4280ab40c6
Archive snapshots of websites locally (#672)
* Add basic HTML snapshots

* Implement asset list

* Add snapshot creation tests

* Add deletion tests

* Show file size

* Remove snapshots

* Create new snapshots

* Switch to single-file

* CSS tweak

* Remove auto refresh

* Show delete link when there is no file yet

* Add current date to display name

* Add flag for snapshot support

* Add option for disabling automatic snapshots

* Make snapshots sharable

* Document image variants

* Update README.md

* Add migrations

* Fix tests
2024-04-01 15:19:38 +02:00

33 lines
999 B
Python

import gzip
import os
import shutil
import subprocess
from django.conf import settings
class SingeFileError(Exception):
pass
def create_snapshot(url: str, filepath: str):
singlefile_path = settings.LD_SINGLEFILE_PATH
singlefile_options = settings.LD_SINGLEFILE_OPTIONS
temp_filepath = filepath + ".tmp"
try:
command = f"{singlefile_path} '{url}' {singlefile_options} {temp_filepath}"
subprocess.run(command, check=True, shell=True)
# single-file doesn't return exit codes apparently, so check if the file was created
if not os.path.exists(temp_filepath):
raise SingeFileError("Failed to create snapshot")
with open(temp_filepath, "rb") as raw_file, gzip.open(
filepath, "wb"
) as gz_file:
shutil.copyfileobj(raw_file, gz_file)
os.remove(temp_filepath)
except subprocess.CalledProcessError as error:
raise SingeFileError(f"Failed to create snapshot: {error.stderr}")