🔨 Refactor IMAPSettings

[ARYAN-NIKNEZHAD]

Description

This pull request refactors the IMAPSettings class to improve code organization and maintainability by implementing the following changes:

Changes Made

1. Moved DEFAULTS Dictionary:

   • The DEFAULTS dictionary has been moved to a new constants.py file. This change enhances code organization by centralizing default settings.

2. Introduced EXCLUDED_FROM_VALIDATION:

   • Added a new constant, EXCLUDED_FROM_VALIDATION, to the IMAPSettings class. This constant specifies which settings should be excluded from validation if they are None.

3. Updated IMAPSettings Class:

   • The IMAPSettings class has been updated to use EXCLUDED_FROM_VALIDATION to determine whether a setting should trigger a validation error. This update makes the validation logic clearer and more maintainable.

Details

• Constants File:

  • The new constants.py file contains the DEFAULTS dictionary and any other relevant constants, improving the organization of settings-related code.

• Validation Logic:

  • The IMAPSettings class now checks against EXCLUDED_FROM_VALIDATION when determining if a None value for a setting should raise an IMAPConfigurationError.

Benefits

• Improved Code Organization:

  • Centralizing constants in a dedicated file helps in managing and updating settings more effectively.

• Enhanced Maintainability:

  • The updated validation logic is clearer and easier to adjust, thanks to the use of EXCLUDED_FROM_VALIDATION.

This refactoring improves the overall structure of the code, making it more robust and easier to maintain.

Files Changed

• constants.py: Added to store the DEFAULTS dictionary and other constants.
• settings.py (or the file containing IMAPSettings): Updated to include the new EXCLUDED_FROM_VALIDATION constant and adjusted validation logic.

Please review the changes and let me know if any further modifications are needed.

Closes #9