Welcome to i2’s documentation!

Contents:

• i2
• i2._deprecated
  • Command
  • commands_dict()
  • extract_commands()
• i2.base
  • Mint
  • MintOfCallable
  • ParametersMint
• i2.castgraph
  • castgraph
  • ConversionError
  • ConversionRegistry
  • Edge
  • Kind
  • KindMatch
  • Transformation
  • TransformationGraph
  • design_guidelines()
• i2.chain_map
  • ChainMapTree
  • is_iterable()
  • unique_iter()
• i2.deco
  • FuncFactory
  • OutputPostProcessingError
  • add_method()
  • assert_attrs()
  • double_up_as_factory()
  • ensure_iterable_args()
  • get_callable_from_factory_if_no_arguments()
  • input_output_decorator()
  • kwargs_for_func()
  • mk_args_kwargs_merger()
  • mk_call_logger()
  • mk_method_trans_spec_from_methods_specs_dict()
  • postprocess()
  • preprocess_arguments()
  • transform_args()
  • wrap_class_methods()
  • wrap_class_methods_input_and_output()
• i2.doc_mint
  • DoctestBlock
  • ExampleX
  • docstring_to_params()
  • doctest_string()
  • doctest_string_print()
  • find_in_params()
  • indent_lines()
  • inject_docstring_content()
  • most_common_indent()
  • non_doctest_lines()
  • old_doctest_string()
  • params_to_docstring()
  • register_converter()
  • split_text_and_doctests()
  • string_param_to_obj()
• i2.errors
  • AuthorizationError
  • DataError
  • DuplicateRecordError
  • ForbiddenError
  • HandleExceptions
  • InputError
  • InterruptWithBlock
  • ModuleNotFoundIgnore
  • NotFoundError
  • OverwritesNotAllowed
• i2.examples
• i2.examples.castgraph_examples
  • CanonicalRecord
  • FilePath
  • JSONDict
  • Text
  • example_registry()
• i2.examples.signature_calculus
• i2.footprints
  • AttributeVisitor
  • Import
  • MethodTrace
  • Tracker
  • accessed_attributes()
  • attr_list()
  • attribute_dependencies()
  • attrs_used_by_method()
  • attrs_used_by_method_computation()
  • dict_to_graph()
  • ensure_ast()
  • get_class_that_defined_method()
  • get_imports_from_obj()
  • get_source()
  • init_argument_names()
  • list_func_calls()
  • start_tracking()
  • trace_class_decorator()
• i2.io_trans
  • AnnotAndDfltIoTrans
  • ArgnameIoTrans
  • IoTrans
  • JSONAnnotAndDfltIoTrans
  • TypedBasedOutIoTrans
  • cast_to_jdict()
  • cast_to_list()
• i2.itypes
  • HasAttrs
  • ObjectClassifier
  • input_and_output_types()
  • is_callable_kind()
  • iterable_to_literal()
  • new_type()
  • validate_literal()
• i2.key_path
  • KeyPathMap
  • KeyPathTrans
  • StrKeyPath
  • flatten_dict()
  • obj_to_str_path()
  • rollout_dict()
  • str_path_to_obj()
• i2.multi_object
  • ContextFanout
  • FlexFuncFanout
  • FuncFanout
  • MultiFunc
  • MultiObj
  • ParallelFuncs
  • Pipe
  • ensure_iterable_of_callables()
  • flatten_pipe()
  • merge_unnamed_and_named()
  • name_of_obj()
  • pipes_are_equal()
  • truncate_string_with_marker()
  • uniquely_named_objects()
• i2.routing_forest
  • CondNode
  • DelegateToMappingAttrMixin
  • FeatCondNode
  • FinalNode
  • KeyFuncMapping
  • RoutingForest
  • RoutingNode
  • SwitchCaseNode
  • return_sentinel()
• i2.scrap
• i2.scrap.scrap
  • Wrapx1
  • Wrapx2
  • default_caller()
• i2.scrap.scrap_ch_variadics
• i2.scrap.scrap_kwargs
• i2.scrap.signature_bops
  • keyed_comparator()
• i2.scrap.simple_pymint
  • mint_of_callable()
• i2.scrap.switch_case_tree
  • AttrMap
• i2.signatures
  • FuncCallNotMatchingSignature
  • IncompatibleSignatures
  • InvalidSignature
  • MissingArgValFor
  • P
  • Param
  • Sig
  • SigPair
  • all_pk_signature()
  • assure_params()
  • call_forgivingly()
  • call_somewhat_forgivingly()
  • ch_func_to_all_pk()
  • ch_signature_to_all_pk()
  • ch_variadics_to_non_variadic_kind()
  • common_and_diff_argnames()
  • copy_func()
  • defaults_are_the_same_when_not_empty()
  • dflt1_is_empty_or_dflt2_is_not()
  • dflt1_is_empty_or_dflt2_is_not_param_comparator()
  • dict_of_attribute_signatures()
  • ensure_params()
  • extract_arguments()
  • extract_arguments_asserting_no_remainder()
  • extract_arguments_ignoring_remainder()
  • has_signature()
  • insert_annotations()
  • is_call_compatible_with()
  • is_signature_error()
  • keyed_comparator()
  • kind_forgiving_func()
  • mk_sig_from_args()
  • name_of_obj()
  • param_binary_func()
  • param_comparator()
  • param_comparison_dict()
  • param_differences_dict()
  • param_for_kind()
  • permissive_param_comparator()
  • postprocess()
  • replace_kwargs_using()
  • resolve_function()
  • set_signature_of_func()
  • sig_to_dataclass()
  • sort_params()
  • tuple_the_args()
  • use_interface()
  • validate_signature()
• i2.tests
• i2.tests.footprints_test
• i2.tests.objects_for_testing
  • add()
  • demo_func_1()
  • demo_func_2()
  • f()
  • formula1()
  • formula2()
  • sum_of_args()
• i2.tests.test_castgraph
• i2.tests.test_castgraph_kinds
• i2.tests.test_ingress_demo
  • demo_attribute_syntax()
  • demo_attribute_with_arg_name()
  • demo_basic_usage()
  • demo_explicit_arg_name()
  • demo_multi_hop()
  • demo_real_world_pipeline()
  • demo_with_context()
• i2.tests.test_signatures
• i2.tests.test_util
• i2.tests.test_wrapper
  • simple_chunker()
  • test_preserve_signature_auto_generic()
  • test_preserve_signature_auto_non_generic()
  • test_preserve_signature_explicit_false()
  • test_preserve_signature_explicit_true()
  • test_return_annotation_egress_with_annotation()
  • test_return_annotation_egress_without_annotation()
  • test_return_annotation_no_egress()
  • test_return_annotation_none_anywhere()
• i2.tests.util
  • builtin_signatureless_callables()
  • function_is_compatible_with_signature()
  • generate_params()
  • inject_defaults()
  • mk_func_from_params()
  • params_to_arg_name_and_val()
  • sig_to_func()
  • sig_to_inputs()
• i2.util
  • AttributeMapping
  • AttributeMutableMapping
  • ConditionalExceptionCatcher
  • ExistingArgument
  • FileLikeObject()
  • FolderSpec
  • FrozenDict
  • FrozenHashError
  • FunctionBuilder
  • LiteralVal
  • MissingArgument
  • OverwritesForbidden
  • PicklableLambda
  • asis()
  • copy_func()
  • dp_get()
  • ensure_identifiers()
  • frozendict
  • get_app_config_folder()
  • get_app_data_folder()
  • get_app_folder()
  • get_function_body()
  • ignore_exception()
  • imdict
  • inject_method()
  • insert_name_based_objects_in_scope()
  • inspect_formatargspec()
  • lambda_code()
  • lazyprop
  • mk_sentinel()
  • name_of_obj()
  • path_extractor()
  • register_object()
  • return_false()
  • return_true()
• i2.wrapper
  • CallerValidationError
  • EgressValidationError
  • Ingress
  • IngressValidationError
  • InnerMapIngress
  • MakeFromFunc
  • SmartDefault
  • Wrap
  • WrapperValidationError
  • Wrapx
  • append_empty_args()
  • bind_funcs_object_attrs()
  • bind_funcs_object_attrs_old()
  • camelize()
  • complete_dict_applying_functions()
  • func_to_method_func()
  • identity()
  • include_exclude_ingress_factory()
  • items_with_mapped_keys()
  • kwargs_trans()
  • move_names_to_the_end()
  • move_params_to_the_end()
  • partialx()
  • transparent_egress()
  • transparent_ingress()

Indices and tables

• Index

• Module Index

• Search Page

Release: 0.1.63

Last change: May 20, 2026