Utils

class CallbackList(callback)

Bases: list

List which invokes a callback after each list modification

append(item)

Append object to the end of the list.

clear()

Remove all items from list.

extend(items)

Extend list by appending elements from the iterable.

insert(index, item)

Insert object before index.

pop(item)

Remove and return item at index (default last).

Raises IndexError if list is empty or index is out of range.

remove(item)

Remove first occurrence of value.

Raises ValueError if the value is not present.

class FrozenList(initial_list=None)

Bases: Generic[T]

Read-only list, items can also be retrieved by their string representation

count()

Gets the number of items in the list

Return type:

int

get_list()

Gets a copy of the list with full access

Return type:

list[TypeVar(T)]

index(item, start=0, stop=9223372036854775807)

Gets the index of an item

Parameters:

• item (obj) – Item to be found

• start (int, optional) – Start index

• stop (int, optional) – Stop index

Return type:

int

class FrozenObject

Bases: object

Object to which no members can be added. If members are added, an exception occurs.

class NumericUtils

Bases: object

Numeric utilities

make_different(value2)

Guarantees that values are different

Return type:

tuple[float, float]

Parameters:

• value1 (float)

• value2 (float)

order(value2)

Returns floats ordered

Return type:

tuple[float, float]

Parameters:

• value1 (float)

• value2 (float)

class PrintUtils

Bases: object

Utilities for printing

get_space_from_indent()

Converts indentation level to spaces

Return type:

str

Parameters:

indent (int)