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File Rules

AllowedExtensions

Validate that a file has a valid extension.

Parameters:
  • allowed_extensions (list, optional): A set of allowed file extensions in lowercase (default: {"png", "jpg", "jpeg"}).
  • message (str, optional): The error message to be used if the validation fails.
Example 
# single validate
AllowedExtensions().validate("file.png", "data")
# using custom allowed extensions
AllowedExtensions(allowed_extensions=["pdf", "doc"]).validate("file.pdf", "data")