Tax-Calculator GrowDiff

Tax-Calculator GrowDiff

taxcalc.growdiff

class taxcalc.growdiff.GrowDiff(last_budget_year=2034)

GrowDiff is a subclass of the abstract Parameters class, and therefore, inherits its methods (none of which are shown here).

Constructor for GrowDiff class.

Parameters:

last_budget_year (integer) – user-defined last parameter extrapolation year

Returns:

class instance

Return type:

GrowDiff

apply_to(growfactors)

Apply updated GrowDiff values to specified GrowFactors instance.

has_any_response()

Returns true if any parameter is non-zero for any year; returns false if all parameters are zero in all years.

static read_json_update(obj, topkey)

Return a revision dictionary suitable for use with update_growdiff method generated from the specified JSON object, which can be None or a string containing a local filename, a URL beginning with ‘http’ pointing to a valid JSON file hosted online, or a valid JSON text.

update_growdiff(revision, print_warnings=True, raise_errors=True)

Update growdiff default values using specified revision dictionary. See Parameters._update for argument documentation and details about the expected structure of the revision dictionary.