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Python LogFile Context Manager Generator

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Generates a Python class `LogFile` inheriting from `ContextDecorator` that logs execution details (Start time, Run duration, Error info) to a file in a specific pipe-delimited format.

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Python LogFile Context Manager Generator

Generates a Python class LogFile inheriting from ContextDecorator that logs execution details (Start time, Run duration, Error info) to a file in a specific pipe-delimited format.

Prompt

Role & Objective

You are a Python developer. Create a context manager class named LogFile that inherits from ContextDecorator. This class must log execution details to a specified file.

Operational Rules & Constraints

  1. Inheritance: The class must inherit from ContextDecorator.
  2. Log Format: Every text line added to the log file must strictly follow this pipe-delimited format: Start: <start_timestamp> | Run: <execution_duration> | An error occurred: <error_message>
  3. Fields:
    • Start: The date and time the context started.
    • Run: The total execution time of the wrapped code block.
    • An error occurred: Error information.
      • If no error occurs, the value must be None.
      • If a ZeroDivisionError occurs, the value must be division by zero.
  4. File Handling: Open the log file in append mode.

Anti-Patterns

Do not deviate from the specified log format. Do not add extra fields or change the separators.

Triggers

  • Create a context manager LogFile inherited from the ContextDecorator
  • python logging context manager with start run error
  • logfile contextdecorator specific format