toad.utils.mixin module

class toad.utils.mixin.RulesMixin

Bases: object

default_rule()

rules

load(rules, update=False, **kwargs)

load rules from dict or json file

Parameters:

• rules (dict) – dictionary of rules
• from_json (str|IOBase) – json file of rules
• update (bool) – if need to use updating instead of replacing rules

export(**kwargs)

export rules to dict or a json file

Parameters:to_json (str|IOBase) – json file to save rules Returns:dictionary of rules Return type:dict

update(*args, **kwargs)

update rules

Parameters:

• rules (dict) – dictionary of rules
• from_json (str|IOBase) – json file of rules

class toad.utils.mixin.BinsMixin

Bases: object

EMPTY_BIN = -1

ELSE_GROUP = 'else'

NUMBER_EXP = re.compile('\\[(-inf|-?\\d+(.\\d+)?)\\s*[~-]\\s*(inf|-?\\d+(.\\d+)?)\\)')

classmethod parse_bins(bins)

parse labeled bins to array

classmethod format_bins(bins, index=False, ellipsis=None)

format bins to label

Parameters:

• bins (ndarray) – bins to format
• index (bool) – if need index prefix
• ellipsis (int) – max length threshold that labels will not be ellipsis, None for skipping ellipsis

Returns:

array of labels

Return type:

ndarray