56 lines
2 KiB
Python
56 lines
2 KiB
Python
from typing import List
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from typing import Optional
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from typing import Tuple
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from ytdl_sub.subscriptions.subscription import Subscription
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from ytdl_sub.utils.exceptions import ValidationException
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from ytdl_sub.utils.file_handler import FileHandlerTransactionLog
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from ytdl_sub.utils.logger import Logger
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logger = Logger.get()
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def _maybe_validate_transaction_log_file(transaction_log_file_path: Optional[str]) -> None:
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if transaction_log_file_path:
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try:
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with open(transaction_log_file_path, "w", encoding="utf-8"):
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pass
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except Exception as exc:
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raise ValidationException(
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f"Transaction log file '{transaction_log_file_path}' cannot be written to. "
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f"Reason: {str(exc)}"
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) from exc
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def output_transaction_log(
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transaction_logs: List[Tuple[Subscription, FileHandlerTransactionLog]],
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transaction_log_file_path: Optional[str],
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) -> None:
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"""
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Maybe print and/or write transaction logs to a file
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Parameters
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----------
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transaction_logs
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The transaction logs from downloaded subscriptions
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transaction_log_file_path
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Optional file path to write to
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"""
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transaction_log_file_contents = ""
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for subscription, transaction_log in transaction_logs:
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if transaction_log.is_empty:
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transaction_log_contents = f"\nNo files changed for {subscription.name}"
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else:
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transaction_log_contents = (
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f"Transaction log for {subscription.name}:\n"
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f"{transaction_log.to_output_message(subscription.output_directory)}"
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)
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if transaction_log_file_path:
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transaction_log_file_contents += transaction_log_contents
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else:
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logger.info(transaction_log_contents)
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if transaction_log_file_contents:
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with open(transaction_log_file_path, "w", encoding="utf-8") as transaction_log_file:
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transaction_log_file.write(transaction_log_file_contents)
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