Python Package Imports
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Questions and Answers

What happens to the namespace when someone does an import from common.validators import star?

  • The namespace only imports the boolean and date modules.
  • The namespace imports only the Json and numeric modules.
  • The namespace remains clean with only the necessary validator methods.
  • The namespace becomes polluted with all the symbols from the Validator's namespace. (correct)

    • Why is the dunder all method used in the validators module code?

  • To remove all the helper methods from the namespace.
  • To concatenate lists of properties from different modules.
  • To selectively export certain symbols from the namespace. (correct)
  • To import all the modules from the Validator's namespace.

    • What is the problem with having numeric and is_numeric in the namespace?

  • They are redundant and unnecessary. (correct)
  • They are not compatible with the boolean module.
  • They are not imported by default.
  • They are not part of the Validator's namespace.

    • What is the advantage of setting dunder all in each individual module?

    <p>It makes the code more efficient and easier to maintain.</p> Signup and view all the answers

    Why is it a bad practice to do an import star from the common.validators module?

    <p>Because it can lead to a polluted namespace.</p> Signup and view all the answers

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