CAT-SOOP API: catsoop.check

Library of common checker functions.

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• catsoop.check.check_result (function, lines 35-56)

  Given a check function that directly compares values, return a new check function that compares the 'result' fields of a submission and solution using the given function. For use with the pythoncode question type.

  Parameters:

  • f (optional:) a function that compares two values. Defaults to comparison using ==.

  Returns: a function suitable for use as a csq_check_function.

 

• catsoop.check.dict_all (function, lines 168-185)

  Given a function that directly compares two valies, generate a new check function that takes two dictionaries and checks that all keys are idntical, and that the associated values are equivalent according to the given function.

  Parameters:

  • f (optional:) a function that compares two values. Defaults to comparison using ==.

  Returns: a function suitable for use as a csq_check_function.

 

• catsoop.check.equal (function, lines 23-32)

  Generate a check function that checks whether two values are equivalent using Python's ==.

  Parameters: none

  Returns: a function suitable for use as a csq_check_function.

 

• catsoop.check.evaled (function, lines 95-116)

  Given a check function that directly compares values, return a new check function that evaluates its arguments (using ast.literal_eval) before calling the given function on the evaluated results

  Parameters:

  • f (optional:) a function that compares two values. Defaults to comparison using ==.

  Returns: a function suitable for use as a csq_check_function.

 

• catsoop.check.list_all (function, lines 119-134)

  Given a function that compares two values, generate a new check function that checks that two lists are equal (same values in the same order).

  Parameters:

  • f (optional:) a function that compares two values. Defaults to comparison using ==.

  Returns: a function suitable for use as a csq_check_function.

 

• catsoop.check.list_all_unordered (function, lines 137-165)

  Given a function that directly compares two values, generate a new check function that checks whether two lists contain all the same elements (including duplicates), regardless of order.

  Parameters:

  • f (optional:) a function that compares two values. Defaults to comparison using ==.

  Returns: a function suitable for use as a csq_check_function.

 

• catsoop.check.number_close (function, lines 59-92)

  Generate a check function that checks whether two numbers are close (within the given thresholds).

  Parameters:

  • absolute_threshold (optional): the maximum absolute difference that will be accepted.
  • ration_threshold (optional): the maximum ratio submission / solution that will be accepted.

  Returns: a function suitable for use as a csq_check_function.