288 lines
12 KiB
Python
288 lines
12 KiB
Python
import asyncio
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from datetime import datetime
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import os
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import uuid
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import json
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import shutil
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import magic # python-magic for MIME detection
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from base58 import b58decode, b58encode
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from sqlalchemy import and_, or_
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from app.core.models.node_storage import StoredContent
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from app.core.models._telegram import Wrapped_CBotChat
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from app.core._utils.send_status import send_status
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from app.core.logger import make_log
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from app.core.models.user import User
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from app.core.models import WalletConnection
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from app.core.storage import db_session
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from app.core._config import UPLOADS_DIR
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from app.core.content.content_id import ContentId
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async def convert_loop(memory):
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with db_session() as session:
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# Query for unprocessed encrypted content
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unprocessed_encrypted_content = session.query(StoredContent).filter(
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and_(
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StoredContent.type == "onchain/content",
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or_(
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StoredContent.btfs_cid == None,
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StoredContent.ipfs_cid == None,
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)
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)
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).first()
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if not unprocessed_encrypted_content:
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make_log("ConvertProcess", "No content to convert", level="debug")
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return
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# Достаем расшифрованный файл
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decrypted_content = session.query(StoredContent).filter(
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StoredContent.id == unprocessed_encrypted_content.decrypted_content_id
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).first()
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if not decrypted_content:
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make_log("ConvertProcess", "Decrypted content not found", level="error")
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return
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# Определяем путь и расширение входного файла
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input_file_path = f"/Storage/storedContent/{decrypted_content.hash}"
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input_ext = (unprocessed_encrypted_content.filename.split('.')[-1]
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if '.' in unprocessed_encrypted_content.filename else "mp4")
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# ==== Новая логика: определение MIME-тип через python-magic ====
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try:
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mime_type = magic.from_file(input_file_path, mime=True)
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except Exception as e:
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make_log("ConvertProcess", f"magic probe failed: {e}", level="warning")
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mime_type = ""
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if mime_type.startswith("video/"):
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content_kind = "video"
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elif mime_type.startswith("audio/"):
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content_kind = "audio"
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else:
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content_kind = "other"
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make_log("ConvertProcess", f"Detected content_kind={content_kind}, mime={mime_type}", level="info")
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# Для прочих типов сохраняем raw копию и выходим
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if content_kind == "other":
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raw_hash = unprocessed_encrypted_content.hash
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raw_content = StoredContent(
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type="local/content_raw",
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hash=raw_hash,
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user_id=unprocessed_encrypted_content.user_id,
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filename=unprocessed_encrypted_content.filename,
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meta={'source': 'raw_copy'},
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created=datetime.now(),
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)
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session.add(raw_content)
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session.commit()
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# Копируем файл в UPLOADS_DIR
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dst = os.path.join(UPLOADS_DIR, raw_hash)
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try:
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os.remove(dst)
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except FileNotFoundError:
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pass
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shutil.copy2(input_file_path, dst)
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# Обновляем оригинальный объект
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unprocessed_encrypted_content.btfs_cid = ContentId(
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version=2, content_hash=b58decode(raw_hash)
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).serialize_v2()
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unprocessed_encrypted_content.ipfs_cid = ContentId(
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version=2, content_hash=b58decode(raw_hash)
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).serialize_v2()
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unprocessed_encrypted_content.meta = {
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**unprocessed_encrypted_content.meta,
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'converted_content': {'raw': raw_hash}
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}
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session.commit()
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make_log("ConvertProcess", f"Raw content saved for {raw_hash}", level="info")
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return
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# ==== Конвертация для видео или аудио: оригинальная логика ====
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# Static preview interval in seconds
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preview_interval = [0, 30]
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if unprocessed_encrypted_content.onchain_index in [2]:
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preview_interval = [0, 60]
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make_log(
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"ConvertProcess",
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f"Processing content {unprocessed_encrypted_content.id} as {content_kind} with preview interval {preview_interval}",
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level="info"
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)
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# Выбираем опции конвертации для видео и аудио
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if content_kind == "video":
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REQUIRED_CONVERT_OPTIONS = ['high', 'low', 'low_preview']
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else:
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REQUIRED_CONVERT_OPTIONS = ['high', 'low'] # no preview for audio
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converted_content = {}
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logs_dir = "/Storage/logs/converter"
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for option in REQUIRED_CONVERT_OPTIONS:
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# Set quality parameter and trim option (only for preview)
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if option == "low_preview":
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quality = "low"
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trim_value = f"{preview_interval[0]}-{preview_interval[1]}"
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else:
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quality = option
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trim_value = None
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# Generate a unique output directory for docker container
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output_uuid = str(uuid.uuid4())
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output_dir = f"/Storage/storedContent/converter-output/{output_uuid}"
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# Build the docker command
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cmd = [
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"docker", "run", "--rm",
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"-v", f"{input_file_path}:/app/input",
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"-v", f"{output_dir}:/app/output",
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"-v", f"{logs_dir}:/app/logs",
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"media_converter",
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"--ext", input_ext,
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"--quality", quality
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]
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if trim_value:
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cmd.extend(["--trim", trim_value])
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if content_kind == "audio":
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cmd.append("--audio-only") # audio-only flag
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process = await asyncio.create_subprocess_exec(
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*cmd,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE
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)
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stdout, stderr = await process.communicate()
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if process.returncode != 0:
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make_log("ConvertProcess", f"Docker conversion failed for option {option}: {stderr.decode()}", level="error")
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return
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# List files in output dir
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try:
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files = os.listdir(output_dir.replace("/Storage/storedContent", "/app/data"))
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except Exception as e:
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make_log("ConvertProcess", f"Error reading output directory {output_dir}: {e}", level="error")
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return
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media_files = [f for f in files if f != "output.json"]
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if len(media_files) != 1:
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make_log("ConvertProcess", f"Expected one media file, found {len(media_files)} for option {option}", level="error")
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return
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output_file = os.path.join(
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output_dir.replace("/Storage/storedContent", "/app/data"),
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media_files[0]
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)
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# Compute SHA256 hash of the output file
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hash_process = await asyncio.create_subprocess_exec(
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"sha256sum", output_file,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE
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)
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hash_stdout, hash_stderr = await hash_process.communicate()
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if hash_process.returncode != 0:
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make_log("ConvertProcess", f"Error computing sha256sum for option {option}: {hash_stderr.decode()}", level="error")
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return
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file_hash = hash_stdout.decode().split()[0]
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file_hash = b58encode(bytes.fromhex(file_hash)).decode()
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# Save new StoredContent if not exists
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if not session.query(StoredContent).filter(
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StoredContent.hash == file_hash
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).first():
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new_content = StoredContent(
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type="local/content_bin",
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hash=file_hash,
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user_id=unprocessed_encrypted_content.user_id,
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filename=media_files[0],
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meta={'encrypted_file_hash': unprocessed_encrypted_content.hash},
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created=datetime.now(),
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)
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session.add(new_content)
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session.commit()
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save_path = os.path.join(UPLOADS_DIR, file_hash)
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try:
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os.remove(save_path)
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except FileNotFoundError:
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pass
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try:
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shutil.move(output_file, save_path)
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except Exception as e:
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make_log("ConvertProcess", f"Error moving output file {output_file} to {save_path}: {e}", level="error")
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return
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converted_content[option] = file_hash
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# Process output.json for ffprobe_meta
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output_json_path = os.path.join(
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output_dir.replace("/Storage/storedContent", "/app/data"),
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"output.json"
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)
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if os.path.exists(output_json_path) and unprocessed_encrypted_content.meta.get('ffprobe_meta') is None:
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try:
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with open(output_json_path, "r") as f:
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ffprobe_meta = json.load(f)
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unprocessed_encrypted_content.meta = {
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**unprocessed_encrypted_content.meta,
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'ffprobe_meta': ffprobe_meta
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}
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except Exception as e:
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make_log("ConvertProcess", f"Error handling output.json for option {option}: {e}", level="error")
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# Cleanup output directory
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try:
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shutil.rmtree(output_dir.replace("/Storage/storedContent", "/app/data"))
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except Exception as e:
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make_log("ConvertProcess", f"Error removing output dir {output_dir}: {e}", level="warning")
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# Finalize original record
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make_log("ConvertProcess", f"Content {unprocessed_encrypted_content.id} processed. Converted content: {converted_content}", level="info")
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unprocessed_encrypted_content.btfs_cid = ContentId(
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version=2, content_hash=b58decode(converted_content['high' if content_kind=='video' else 'low'])
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).serialize_v2()
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unprocessed_encrypted_content.ipfs_cid = ContentId(
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version=2, content_hash=b58decode(converted_content['low'])
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).serialize_v2()
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unprocessed_encrypted_content.meta = {
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**unprocessed_encrypted_content.meta,
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'converted_content': converted_content
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}
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session.commit()
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# Notify user if needed
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if not unprocessed_encrypted_content.meta.get('upload_notify_msg_id'):
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wallet_owner_connection = session.query(WalletConnection).filter(
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WalletConnection.wallet_address == unprocessed_encrypted_content.owner_address
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).order_by(WalletConnection.id.desc()).first()
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if wallet_owner_connection:
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wallet_owner_user = wallet_owner_connection.user
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bot = Wrapped_CBotChat(
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memory._client_telegram_bot,
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chat_id=wallet_owner_user.telegram_id,
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user=wallet_owner_user,
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db_session=session
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)
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unprocessed_encrypted_content.meta['upload_notify_msg_id'] = await bot.send_content(session, unprocessed_encrypted_content)
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session.commit()
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async def main_fn(memory):
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make_log("ConvertProcess", "Service started", level="info")
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seqno = 0
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while True:
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try:
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make_log("ConvertProcess", "Service running", level="debug")
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await convert_loop(memory)
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await asyncio.sleep(5)
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await send_status("convert_service", f"working (seqno={seqno})")
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seqno += 1
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except BaseException as e:
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make_log("ConvertProcess", f"Error: {e}", level="error")
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await asyncio.sleep(3)
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