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https://github.com/sissbruecker/linkding.git
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2d81ea6f6e
* Extract asset logic * Allow disabling HTML snapshot when creating bookmark * Add endpoint for uploading singlefile snapshots * Add URL parameter to disable HTML snapshots * Allow using asset list in base Docker image * Expose app version through profile
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
import logging
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import os
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import shlex
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import signal
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import subprocess
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from django.conf import settings
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class SingleFileError(Exception):
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pass
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logger = logging.getLogger(__name__)
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def create_snapshot(url: str, filepath: str):
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singlefile_path = settings.LD_SINGLEFILE_PATH
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# parse options to list of arguments
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ublock_options = shlex.split(settings.LD_SINGLEFILE_UBLOCK_OPTIONS)
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custom_options = shlex.split(settings.LD_SINGLEFILE_OPTIONS)
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# concat lists
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args = [singlefile_path] + ublock_options + custom_options + [url, filepath]
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try:
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# Use start_new_session=True to create a new process group
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process = subprocess.Popen(args, start_new_session=True)
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process.wait(timeout=settings.LD_SINGLEFILE_TIMEOUT_SEC)
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# check if the file was created
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if not os.path.exists(filepath):
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raise SingleFileError("Failed to create snapshot")
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except subprocess.TimeoutExpired:
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# First try to terminate properly
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try:
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logger.error(
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"Timeout expired while creating snapshot. Terminating process..."
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)
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process.terminate()
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process.wait(timeout=20)
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raise SingleFileError("Timeout expired while creating snapshot")
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except subprocess.TimeoutExpired:
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# Kill the whole process group, which should also clean up any chromium
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# processes spawned by single-file
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logger.error("Timeout expired while terminating. Killing process...")
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os.killpg(os.getpgid(process.pid), signal.SIGTERM)
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raise SingleFileError("Timeout expired while creating snapshot")
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except subprocess.CalledProcessError as error:
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raise SingleFileError(f"Failed to create snapshot: {error.stderr}")
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