Mawoka
48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at https://mozilla.org/MPL/2.0/.
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import uuid
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import xxhash
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from classquiz.config import redis, storage
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from tempfile import SpooledTemporaryFile
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from classquiz.db.models import StorageItem
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from classquiz.storage.errors import DeletionFailedError
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async def clean_editor_images_up(ctx):
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print("Cleaning images up")
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edit_sessions = await redis.smembers("edit_sessions")
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for session_id in edit_sessions:
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session = await redis.get(f"edit_session:{session_id}")
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if session is None:
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images = await redis.lrange(f"edit_session:{session_id}:images", 0, 3000)
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if len(images) != 0:
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try:
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await storage.delete(images)
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except DeletionFailedError:
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print("Deletion Error", images)
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await redis.srem("edit_sessions", session_id)
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await redis.delete(f"edit_session:{session_id}:images")
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async def calculate_hash(ctx, file_id_as_str: str):
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print("Calculating hash")
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file_id = uuid.UUID(file_id_as_str)
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file_data = await StorageItem.objects.get(id=file_id)
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file_path = file_id.hex
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if file_data.storage_path is not None:
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file_path = file_data.storage_path
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file = SpooledTemporaryFile()
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file.write((await storage.download(file_path)).getbuffer().tobytes())
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hash_obj = xxhash.xxh3_128()
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# assert hash_obj.block_size == 64
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while chunk := file.read(6400):
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hash_obj.update(chunk)
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file_data.hash = hash_obj.digest()
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print("Got hash!")
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await file_data.update()
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file.close()
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