Conversion Table

The following table provides details on how Pydantic converts data during validation in both strict and lax modes.

The "Strict" column contains checkmarks for type conversions that are allowed when validating in Strict Mode.

AllJSONJSON - StrictPythonPython - Strict

Field Type	Input	Strict	Input Source	Conditions
`bool`	`bool`	✓	Python & JSON
`bool`	`float`		Python & JSON	Allowed values: `0.0, 1.0`.
`bool`	`int`		Python & JSON	Allowed values: `0, 1`.
`bool`	`str`		Python & JSON	Allowed values: `'f'`, `'n'`, `'no'`, `'off'`, `'false'`, `'False'`, `'t'`, `'y'`, `'on'`, `'yes'`, `'true'`, `'True'`.
`bool`	`Decimal`		Python	Allowed values: `Decimal(0), Decimal(1)`.
`bytes`	`bytearray`		Python
`bytes`	`bytes`	✓	Python
`bytes`	`str`	✓	JSON
`bytes`	`str`		Python
`callable`	`-`		JSON	Never valid.
`callable`	`Any`	✓	Python	`callable()` check must return `True`.
`date`	`bytes`		Python	Format: `YYYY-MM-DD` (UTF-8).
`date`	`date`	✓	Python
`date`	`datetime`		Python	Must be exact date, eg. no `H`, `M`, `S`, `f`.
`date`	`float`		Python & JSON	Interpreted as seconds or ms from epoch. See speedate. Must be exact date.
`date`	`int`		Python & JSON	Interpreted as seconds or ms from epoch. See speedate. Must be exact date.
`date`	`str`		Python & JSON	Format: `YYYY-MM-DD`.
`date`	`Decimal`		Python	Interpreted as seconds or ms from epoch. See speedate. Must be exact date.
`datetime`	`bytes`		Python	Format: `YYYY-MM-DDTHH:MM:SS.f`. See speedate, (UTF-8).
`datetime`	`date`		Python
`datetime`	`datetime`	✓	Python
`datetime`	`float`		Python & JSON	Interpreted as seconds or ms from epoch, see speedate.
`datetime`	`int`		Python & JSON	Interpreted as seconds or ms from epoch, see speedate.
`datetime`	`str`		Python & JSON	Format: `YYYY-MM-DDTHH:MM:SS.f`. See speedate.
`datetime`	`Decimal`		Python	Interpreted as seconds or ms from epoch, see speedate.
`deque`	`deque`	✓	Python
`deque`	`frozenset`		Python
`deque`	`list`		Python
`deque`	`set`		Python
`deque`	`tuple`		Python
`deque`	`Array`	✓	JSON
`dict`	`dict`	✓	Python
`dict`	`Mapping`		Python	Must implement the mapping interface and have an `items()` method.
`dict`	`Object`	✓	JSON
`float`	`bool`		Python & JSON
`float`	`bytes`		Python	Must match `[0-9]+(\.[0-9]+)?`.
`float`	`float`	✓	Python & JSON	`bool` is explicitly forbidden.
`float`	`int`	✓	Python & JSON
`float`	`str`		Python & JSON	Must match `[0-9]+(\.[0-9]+)?`.
`float`	`Decimal`		Python
`frozenset`	`deque`		Python
`frozenset`	`dict_keys`		Python
`frozenset`	`dict_values`		Python
`frozenset`	`frozenset`	✓	Python
`frozenset`	`list`		Python
`frozenset`	`set`		Python
`frozenset`	`tuple`		Python
`frozenset`	`Array`	✓	JSON
`int`	`bool`		Python & JSON
`int`	`bytes`		Python	`i64`, Must be numeric only, e.g. `[0-9]+`.
`int`	`float`		Python & JSON	`i64`, Must be exact int, e.g. `val % 1 == 0`, raises error for `nan`, `inf`.
`int`	`int`	✓	Python & JSON	Max abs value `2^64` as `i64` is used internally; `bool` is explicitly forbidden.
`int`	`int`		Python & JSON	`i64`. Limits `numbers > (2 ^ 63) - 1` to `(2 ^ 63) - 1`.
`int`	`str`		Python & JSON	`i64`, Must be numeric only, e.g. `[0-9]+`.
`int`	`Decimal`		Python	`i64`, Must be exact int, e.g. `val % 1 == 0`.
`list`	`deque`		Python
`list`	`dict_keys`		Python
`list`	`dict_values`		Python
`list`	`frozenset`		Python
`list`	`list`	✓	Python
`list`	`set`		Python
`list`	`tuple`		Python
`list`	`Array`	✓	JSON
`namedtuple`	`dict`	✓	Python
`namedtuple`	`list`	✓	Python
`namedtuple`	`namedtuple`	✓	Python
`namedtuple`	`tuple`	✓	Python
`namedtuple`	`Array`	✓	JSON
`namedtuple`	`NamedTuple`	✓	Python
`set`	`deque`		Python
`set`	`dict_keys`		Python
`set`	`dict_values`		Python
`set`	`frozenset`		Python
`set`	`list`		Python
`set`	`set`	✓	Python
`set`	`tuple`		Python
`set`	`Array`	✓	JSON
`str`	`bytearray`		Python	Assumes UTF-8, error on unicode decoding error.
`str`	`bytes`		Python	Assumes UTF-8, error on unicode decoding error.
`str`	`str`	✓	Python & JSON
`time`	`bytes`		Python	Format: `HH:MM:SS.FFFFFF`. See speedate.
`time`	`float`		Python & JSON	Interpreted as seconds, range `0 - 86399.9*`.
`time`	`int`		Python & JSON	Interpreted as seconds, range `0 - 86399`.
`time`	`str`		Python & JSON	Format: `HH:MM:SS.FFFFFF`. See speedate.
`time`	`time`	✓	Python
`time`	`Decimal`		Python	Interpreted as seconds, range `0 - 86399.9*`.
`timedelta`	`bytes`		Python	Format: `ISO8601`. See speedate, (UTF-8).
`timedelta`	`float`		Python & JSON	Interpreted as seconds.
`timedelta`	`int`		Python & JSON	Interpreted as seconds.
`timedelta`	`str`		Python & JSON	Format: `ISO8601`. See speedate.
`timedelta`	`timedelta`	✓	Python
`timedelta`	`Decimal`		Python	Interpreted as seconds.
`tuple`	`deque`		Python
`tuple`	`dict_keys`		Python
`tuple`	`dict_values`		Python
`tuple`	`frozenset`		Python
`tuple`	`list`		Python
`tuple`	`set`		Python
`tuple`	`tuple`	✓	Python
`tuple`	`Array`	✓	JSON
`Any`	`Any`	✓	Python & JSON
`ByteSize`	`float`	✓	Python & JSON
`ByteSize`	`int`	✓	Python & JSON
`ByteSize`	`str`	✓	Python & JSON
`ByteSize`	`Decimal`	✓	Python
`Decimal`	`float`	✓	JSON
`Decimal`	`float`		Python & JSON
`Decimal`	`int`	✓	JSON
`Decimal`	`int`		Python & JSON
`Decimal`	`str`	✓	JSON
`Decimal`	`str`		Python & JSON	Must match `[0-9]+(\.[0-9]+)?`.
`Decimal`	`Decimal`	✓	Python
`Enum`	`Any`	✓	JSON	Input value must be convertible to enum values.
`Enum`	`Any`		Python	Input value must be convertible to enum values.
`Enum`	`Enum`	✓	Python
`IPv4Address`	`bytes`		Python
`IPv4Address`	`int`		Python	integer representing the IP address, must be less than `2**32`
`IPv4Address`	`str`	✓	JSON
`IPv4Address`	`str`		Python & JSON
`IPv4Address`	`IPv4Address`	✓	Python
`IPv4Address`	`IPv4Interface`	✓	Python
`IPv4Interface`	`bytes`		Python
`IPv4Interface`	`int`		Python	integer representing the IP address, must be less than `2**32`
`IPv4Interface`	`str`	✓	JSON
`IPv4Interface`	`str`		Python & JSON
`IPv4Interface`	`tuple`		Python
`IPv4Interface`	`IPv4Address`		Python
`IPv4Interface`	`IPv4Interface`	✓	Python
`IPv4Network`	`bytes`		Python
`IPv4Network`	`int`		Python	integer representing the IP network, must be less than `2**32`
`IPv4Network`	`str`	✓	JSON
`IPv4Network`	`str`		Python & JSON
`IPv4Network`	`IPv4Address`		Python
`IPv4Network`	`IPv4Interface`		Python
`IPv4Network`	`IPv4Network`	✓	Python
`IPv6Address`	`bytes`		Python
`IPv6Address`	`int`		Python	integer representing the IP address, must be less than `2**128`
`IPv6Address`	`str`	✓	JSON
`IPv6Address`	`str`		Python & JSON
`IPv6Address`	`IPv6Address`	✓	Python
`IPv6Address`	`IPv6Interface`	✓	Python
`IPv6Interface`	`bytes`		Python
`IPv6Interface`	`int`		Python	integer representing the IP address, must be less than `2**128`
`IPv6Interface`	`str`	✓	JSON
`IPv6Interface`	`str`		Python & JSON
`IPv6Interface`	`tuple`		Python
`IPv6Interface`	`IPv6Address`		Python
`IPv6Interface`	`IPv6Interface`	✓	Python
`IPv6Network`	`bytes`		Python
`IPv6Network`	`int`		Python	integer representing the IP address, must be less than `2**128`
`IPv6Network`	`str`	✓	JSON
`IPv6Network`	`str`		Python & JSON
`IPv6Network`	`IPv6Address`		Python
`IPv6Network`	`IPv6Interface`		Python
`IPv6Network`	`IPv6Network`	✓	Python
`InstanceOf`	`-`		JSON	Never valid.
`InstanceOf`	`Any`	✓	Python	`isinstance()` check must return `True`.
`IntEnum`	`Any`	✓	JSON	Input value must be convertible to enum values.
`IntEnum`	`Any`		Python	Input value must be convertible to enum values.
`IntEnum`	`IntEnum`	✓	Python
`Iterable`	`deque`	✓	Python
`Iterable`	`frozenset`	✓	Python
`Iterable`	`list`	✓	Python
`Iterable`	`set`	✓	Python
`Iterable`	`tuple`	✓	Python
`Iterable`	`Array`	✓	JSON
`NamedTuple`	`dict`	✓	Python
`NamedTuple`	`list`	✓	Python
`NamedTuple`	`namedtuple`	✓	Python
`NamedTuple`	`tuple`	✓	Python
`NamedTuple`	`Array`	✓	JSON
`NamedTuple`	`NamedTuple`	✓	Python
`None`	`None`	✓	Python & JSON
`Path`	`str`	✓	JSON
`Path`	`str`		Python
`Path`	`Path`	✓	Python
`Pattern`	`bytes`	✓	Python	Input must be a valid pattern.
`Pattern`	`str`	✓	Python & JSON	Input must be a valid pattern.
`Sequence`	`deque`		Python
`Sequence`	`list`	✓	Python
`Sequence`	`tuple`		Python
`Sequence`	`Array`	✓	JSON
`Type`	`Type`	✓	Python
`TypedDict`	`dict`	✓	Python
`TypedDict`	`Any`	✓	Python
`TypedDict`	`Mapping`		Python	Must implement the mapping interface and have an `items()` method.
`TypedDict`	`Object`	✓	JSON
`UUID`	`str`	✓	JSON
`UUID`	`str`		Python
`UUID`	`UUID`	✓	Python

Field Type	Input	Strict	Input Source	Conditions
`bool`	`bool`	✓	Python & JSON
`bool`	`float`		Python & JSON	Allowed values: `0.0, 1.0`.
`bool`	`int`		Python & JSON	Allowed values: `0, 1`.
`bool`	`str`		Python & JSON	Allowed values: `'f'`, `'n'`, `'no'`, `'off'`, `'false'`, `'False'`, `'t'`, `'y'`, `'on'`, `'yes'`, `'true'`, `'True'`.
`bytes`	`str`	✓	JSON
`callable`	`-`		JSON	Never valid.
`date`	`float`		Python & JSON	Interpreted as seconds or ms from epoch. See speedate. Must be exact date.
`date`	`int`		Python & JSON	Interpreted as seconds or ms from epoch. See speedate. Must be exact date.
`date`	`str`		Python & JSON	Format: `YYYY-MM-DD`.
`datetime`	`float`		Python & JSON	Interpreted as seconds or ms from epoch, see speedate.
`datetime`	`int`		Python & JSON	Interpreted as seconds or ms from epoch, see speedate.
`datetime`	`str`		Python & JSON	Format: `YYYY-MM-DDTHH:MM:SS.f`. See speedate.
`deque`	`Array`	✓	JSON
`dict`	`Object`	✓	JSON
`float`	`bool`		Python & JSON
`float`	`float`	✓	Python & JSON	`bool` is explicitly forbidden.
`float`	`int`	✓	Python & JSON
`float`	`str`		Python & JSON	Must match `[0-9]+(\.[0-9]+)?`.
`frozenset`	`Array`	✓	JSON
`int`	`bool`		Python & JSON
`int`	`float`		Python & JSON	`i64`, Must be exact int, e.g. `val % 1 == 0`, raises error for `nan`, `inf`.
`int`	`int`	✓	Python & JSON	Max abs value `2^64` as `i64` is used internally; `bool` is explicitly forbidden.
`int`	`int`		Python & JSON	`i64`. Limits `numbers > (2 ^ 63) - 1` to `(2 ^ 63) - 1`.
`int`	`str`		Python & JSON	`i64`, Must be numeric only, e.g. `[0-9]+`.
`list`	`Array`	✓	JSON
`namedtuple`	`Array`	✓	JSON
`set`	`Array`	✓	JSON
`str`	`str`	✓	Python & JSON
`time`	`float`		Python & JSON	Interpreted as seconds, range `0 - 86399.9*`.
`time`	`int`		Python & JSON	Interpreted as seconds, range `0 - 86399`.
`time`	`str`		Python & JSON	Format: `HH:MM:SS.FFFFFF`. See speedate.
`timedelta`	`float`		Python & JSON	Interpreted as seconds.
`timedelta`	`int`		Python & JSON	Interpreted as seconds.
`timedelta`	`str`		Python & JSON	Format: `ISO8601`. See speedate.
`tuple`	`Array`	✓	JSON
`Any`	`Any`	✓	Python & JSON
`ByteSize`	`float`	✓	Python & JSON
`ByteSize`	`int`	✓	Python & JSON
`ByteSize`	`str`	✓	Python & JSON
`Decimal`	`float`	✓	JSON
`Decimal`	`float`		Python & JSON
`Decimal`	`int`	✓	JSON
`Decimal`	`int`		Python & JSON
`Decimal`	`str`	✓	JSON
`Decimal`	`str`		Python & JSON	Must match `[0-9]+(\.[0-9]+)?`.
`Enum`	`Any`	✓	JSON	Input value must be convertible to enum values.
`IPv4Address`	`str`	✓	JSON
`IPv4Address`	`str`		Python & JSON
`IPv4Interface`	`str`	✓	JSON
`IPv4Interface`	`str`		Python & JSON
`IPv4Network`	`str`	✓	JSON
`IPv4Network`	`str`		Python & JSON
`IPv6Address`	`str`	✓	JSON
`IPv6Address`	`str`		Python & JSON
`IPv6Interface`	`str`	✓	JSON
`IPv6Interface`	`str`		Python & JSON
`IPv6Network`	`str`	✓	JSON
`IPv6Network`	`str`		Python & JSON
`InstanceOf`	`-`		JSON	Never valid.
`IntEnum`	`Any`	✓	JSON	Input value must be convertible to enum values.
`Iterable`	`Array`	✓	JSON
`NamedTuple`	`Array`	✓	JSON
`None`	`None`	✓	Python & JSON
`Path`	`str`	✓	JSON
`Pattern`	`str`	✓	Python & JSON	Input must be a valid pattern.
`Sequence`	`Array`	✓	JSON
`TypedDict`	`Object`	✓	JSON
`UUID`	`str`	✓	JSON

Field Type	Input	Strict	Input Source	Conditions
`bool`	`bool`	✓	Python & JSON
`bytes`	`str`	✓	JSON
`deque`	`Array`	✓	JSON
`dict`	`Object`	✓	JSON
`float`	`float`	✓	Python & JSON	`bool` is explicitly forbidden.
`float`	`int`	✓	Python & JSON
`frozenset`	`Array`	✓	JSON
`int`	`int`	✓	Python & JSON	Max abs value `2^64` as `i64` is used internally; `bool` is explicitly forbidden.
`list`	`Array`	✓	JSON
`namedtuple`	`Array`	✓	JSON
`set`	`Array`	✓	JSON
`str`	`str`	✓	Python & JSON
`tuple`	`Array`	✓	JSON
`Any`	`Any`	✓	Python & JSON
`ByteSize`	`float`	✓	Python & JSON
`ByteSize`	`int`	✓	Python & JSON
`ByteSize`	`str`	✓	Python & JSON
`Decimal`	`float`	✓	JSON
`Decimal`	`int`	✓	JSON
`Decimal`	`str`	✓	JSON
`Enum`	`Any`	✓	JSON	Input value must be convertible to enum values.
`IPv4Address`	`str`	✓	JSON
`IPv4Interface`	`str`	✓	JSON
`IPv4Network`	`str`	✓	JSON
`IPv6Address`	`str`	✓	JSON
`IPv6Interface`	`str`	✓	JSON
`IPv6Network`	`str`	✓	JSON
`IntEnum`	`Any`	✓	JSON	Input value must be convertible to enum values.
`Iterable`	`Array`	✓	JSON
`NamedTuple`	`Array`	✓	JSON
`None`	`None`	✓	Python & JSON
`Path`	`str`	✓	JSON
`Pattern`	`str`	✓	Python & JSON	Input must be a valid pattern.
`Sequence`	`Array`	✓	JSON
`TypedDict`	`Object`	✓	JSON
`UUID`	`str`	✓	JSON

Field Type	Input	Strict	Input Source	Conditions
`bool`	`bool`	✓	Python & JSON
`bool`	`float`		Python & JSON	Allowed values: `0.0, 1.0`.
`bool`	`int`		Python & JSON	Allowed values: `0, 1`.
`bool`	`str`		Python & JSON	Allowed values: `'f'`, `'n'`, `'no'`, `'off'`, `'false'`, `'False'`, `'t'`, `'y'`, `'on'`, `'yes'`, `'true'`, `'True'`.
`bool`	`Decimal`		Python	Allowed values: `Decimal(0), Decimal(1)`.
`bytes`	`bytearray`		Python
`bytes`	`bytes`	✓	Python
`bytes`	`str`		Python
`callable`	`Any`	✓	Python	`callable()` check must return `True`.
`date`	`bytes`		Python	Format: `YYYY-MM-DD` (UTF-8).
`date`	`date`	✓	Python
`date`	`datetime`		Python	Must be exact date, eg. no `H`, `M`, `S`, `f`.
`date`	`float`		Python & JSON	Interpreted as seconds or ms from epoch. See speedate. Must be exact date.
`date`	`int`		Python & JSON	Interpreted as seconds or ms from epoch. See speedate. Must be exact date.
`date`	`str`		Python & JSON	Format: `YYYY-MM-DD`.
`date`	`Decimal`		Python	Interpreted as seconds or ms from epoch. See speedate. Must be exact date.
`datetime`	`bytes`		Python	Format: `YYYY-MM-DDTHH:MM:SS.f`. See speedate, (UTF-8).
`datetime`	`date`		Python
`datetime`	`datetime`	✓	Python
`datetime`	`float`		Python & JSON	Interpreted as seconds or ms from epoch, see speedate.
`datetime`	`int`		Python & JSON	Interpreted as seconds or ms from epoch, see speedate.
`datetime`	`str`		Python & JSON	Format: `YYYY-MM-DDTHH:MM:SS.f`. See speedate.
`datetime`	`Decimal`		Python	Interpreted as seconds or ms from epoch, see speedate.
`deque`	`deque`	✓	Python
`deque`	`frozenset`		Python
`deque`	`list`		Python
`deque`	`set`		Python
`deque`	`tuple`		Python
`dict`	`dict`	✓	Python
`dict`	`Mapping`		Python	Must implement the mapping interface and have an `items()` method.
`float`	`bool`		Python & JSON
`float`	`bytes`		Python	Must match `[0-9]+(\.[0-9]+)?`.
`float`	`float`	✓	Python & JSON	`bool` is explicitly forbidden.
`float`	`int`	✓	Python & JSON
`float`	`str`		Python & JSON	Must match `[0-9]+(\.[0-9]+)?`.
`float`	`Decimal`		Python
`frozenset`	`deque`		Python
`frozenset`	`dict_keys`		Python
`frozenset`	`dict_values`		Python
`frozenset`	`frozenset`	✓	Python
`frozenset`	`list`		Python
`frozenset`	`set`		Python
`frozenset`	`tuple`		Python
`int`	`bool`		Python & JSON
`int`	`bytes`		Python	`i64`, Must be numeric only, e.g. `[0-9]+`.
`int`	`float`		Python & JSON	`i64`, Must be exact int, e.g. `val % 1 == 0`, raises error for `nan`, `inf`.
`int`	`int`	✓	Python & JSON	Max abs value `2^64` as `i64` is used internally; `bool` is explicitly forbidden.
`int`	`int`		Python & JSON	`i64`. Limits `numbers > (2 ^ 63) - 1` to `(2 ^ 63) - 1`.
`int`	`str`		Python & JSON	`i64`, Must be numeric only, e.g. `[0-9]+`.
`int`	`Decimal`		Python	`i64`, Must be exact int, e.g. `val % 1 == 0`.
`list`	`deque`		Python
`list`	`dict_keys`		Python
`list`	`dict_values`		Python
`list`	`frozenset`		Python
`list`	`list`	✓	Python
`list`	`set`		Python
`list`	`tuple`		Python
`namedtuple`	`dict`	✓	Python
`namedtuple`	`list`	✓	Python
`namedtuple`	`namedtuple`	✓	Python
`namedtuple`	`tuple`	✓	Python
`namedtuple`	`NamedTuple`	✓	Python
`set`	`deque`		Python
`set`	`dict_keys`		Python
`set`	`dict_values`		Python
`set`	`frozenset`		Python
`set`	`list`		Python
`set`	`set`	✓	Python
`set`	`tuple`		Python
`str`	`bytearray`		Python	Assumes UTF-8, error on unicode decoding error.
`str`	`bytes`		Python	Assumes UTF-8, error on unicode decoding error.
`str`	`str`	✓	Python & JSON
`time`	`bytes`		Python	Format: `HH:MM:SS.FFFFFF`. See speedate.
`time`	`float`		Python & JSON	Interpreted as seconds, range `0 - 86399.9*`.
`time`	`int`		Python & JSON	Interpreted as seconds, range `0 - 86399`.
`time`	`str`		Python & JSON	Format: `HH:MM:SS.FFFFFF`. See speedate.
`time`	`time`	✓	Python
`time`	`Decimal`		Python	Interpreted as seconds, range `0 - 86399.9*`.
`timedelta`	`bytes`		Python	Format: `ISO8601`. See speedate, (UTF-8).
`timedelta`	`float`		Python & JSON	Interpreted as seconds.
`timedelta`	`int`		Python & JSON	Interpreted as seconds.
`timedelta`	`str`		Python & JSON	Format: `ISO8601`. See speedate.
`timedelta`	`timedelta`	✓	Python
`timedelta`	`Decimal`		Python	Interpreted as seconds.
`tuple`	`deque`		Python
`tuple`	`dict_keys`		Python
`tuple`	`dict_values`		Python
`tuple`	`frozenset`		Python
`tuple`	`list`		Python
`tuple`	`set`		Python
`tuple`	`tuple`	✓	Python
`Any`	`Any`	✓	Python & JSON
`ByteSize`	`float`	✓	Python & JSON
`ByteSize`	`int`	✓	Python & JSON
`ByteSize`	`str`	✓	Python & JSON
`ByteSize`	`Decimal`	✓	Python
`Decimal`	`float`		Python & JSON
`Decimal`	`int`		Python & JSON
`Decimal`	`str`		Python & JSON	Must match `[0-9]+(\.[0-9]+)?`.
`Decimal`	`Decimal`	✓	Python
`Enum`	`Any`		Python	Input value must be convertible to enum values.
`Enum`	`Enum`	✓	Python
`IPv4Address`	`bytes`		Python
`IPv4Address`	`int`		Python	integer representing the IP address, must be less than `2**32`
`IPv4Address`	`str`		Python & JSON
`IPv4Address`	`IPv4Address`	✓	Python
`IPv4Address`	`IPv4Interface`	✓	Python
`IPv4Interface`	`bytes`		Python
`IPv4Interface`	`int`		Python	integer representing the IP address, must be less than `2**32`
`IPv4Interface`	`str`		Python & JSON
`IPv4Interface`	`tuple`		Python
`IPv4Interface`	`IPv4Address`		Python
`IPv4Interface`	`IPv4Interface`	✓	Python
`IPv4Network`	`bytes`		Python
`IPv4Network`	`int`		Python	integer representing the IP network, must be less than `2**32`
`IPv4Network`	`str`		Python & JSON
`IPv4Network`	`IPv4Address`		Python
`IPv4Network`	`IPv4Interface`		Python
`IPv4Network`	`IPv4Network`	✓	Python
`IPv6Address`	`bytes`		Python
`IPv6Address`	`int`		Python	integer representing the IP address, must be less than `2**128`
`IPv6Address`	`str`		Python & JSON
`IPv6Address`	`IPv6Address`	✓	Python
`IPv6Address`	`IPv6Interface`	✓	Python
`IPv6Interface`	`bytes`		Python
`IPv6Interface`	`int`		Python	integer representing the IP address, must be less than `2**128`
`IPv6Interface`	`str`		Python & JSON
`IPv6Interface`	`tuple`		Python
`IPv6Interface`	`IPv6Address`		Python
`IPv6Interface`	`IPv6Interface`	✓	Python
`IPv6Network`	`bytes`		Python
`IPv6Network`	`int`		Python	integer representing the IP address, must be less than `2**128`
`IPv6Network`	`str`		Python & JSON
`IPv6Network`	`IPv6Address`		Python
`IPv6Network`	`IPv6Interface`		Python
`IPv6Network`	`IPv6Network`	✓	Python
`InstanceOf`	`Any`	✓	Python	`isinstance()` check must return `True`.
`IntEnum`	`Any`		Python	Input value must be convertible to enum values.
`IntEnum`	`IntEnum`	✓	Python
`Iterable`	`deque`	✓	Python
`Iterable`	`frozenset`	✓	Python
`Iterable`	`list`	✓	Python
`Iterable`	`set`	✓	Python
`Iterable`	`tuple`	✓	Python
`NamedTuple`	`dict`	✓	Python
`NamedTuple`	`list`	✓	Python
`NamedTuple`	`namedtuple`	✓	Python
`NamedTuple`	`tuple`	✓	Python
`NamedTuple`	`NamedTuple`	✓	Python
`None`	`None`	✓	Python & JSON
`Path`	`str`		Python
`Path`	`Path`	✓	Python
`Pattern`	`bytes`	✓	Python	Input must be a valid pattern.
`Pattern`	`str`	✓	Python & JSON	Input must be a valid pattern.
`Sequence`	`deque`		Python
`Sequence`	`list`	✓	Python
`Sequence`	`tuple`		Python
`Type`	`Type`	✓	Python
`TypedDict`	`dict`	✓	Python
`TypedDict`	`Any`	✓	Python
`TypedDict`	`Mapping`		Python	Must implement the mapping interface and have an `items()` method.
`UUID`	`str`		Python
`UUID`	`UUID`	✓	Python

Field Type	Input	Strict	Input Source	Conditions
`bool`	`bool`	✓	Python & JSON
`bytes`	`bytes`	✓	Python
`callable`	`Any`	✓	Python	`callable()` check must return `True`.
`date`	`date`	✓	Python
`datetime`	`datetime`	✓	Python
`deque`	`deque`	✓	Python
`dict`	`dict`	✓	Python
`float`	`float`	✓	Python & JSON	`bool` is explicitly forbidden.
`float`	`int`	✓	Python & JSON
`frozenset`	`frozenset`	✓	Python
`int`	`int`	✓	Python & JSON	Max abs value `2^64` as `i64` is used internally; `bool` is explicitly forbidden.
`list`	`list`	✓	Python
`namedtuple`	`dict`	✓	Python
`namedtuple`	`list`	✓	Python
`namedtuple`	`namedtuple`	✓	Python
`namedtuple`	`tuple`	✓	Python
`namedtuple`	`NamedTuple`	✓	Python
`set`	`set`	✓	Python
`str`	`str`	✓	Python & JSON
`time`	`time`	✓	Python
`timedelta`	`timedelta`	✓	Python
`tuple`	`tuple`	✓	Python
`Any`	`Any`	✓	Python & JSON
`ByteSize`	`float`	✓	Python & JSON
`ByteSize`	`int`	✓	Python & JSON
`ByteSize`	`str`	✓	Python & JSON
`ByteSize`	`Decimal`	✓	Python
`Decimal`	`Decimal`	✓	Python
`Enum`	`Enum`	✓	Python
`IPv4Address`	`IPv4Address`	✓	Python
`IPv4Address`	`IPv4Interface`	✓	Python
`IPv4Interface`	`IPv4Interface`	✓	Python
`IPv4Network`	`IPv4Network`	✓	Python
`IPv6Address`	`IPv6Address`	✓	Python
`IPv6Address`	`IPv6Interface`	✓	Python
`IPv6Interface`	`IPv6Interface`	✓	Python
`IPv6Network`	`IPv6Network`	✓	Python
`InstanceOf`	`Any`	✓	Python	`isinstance()` check must return `True`.
`IntEnum`	`IntEnum`	✓	Python
`Iterable`	`deque`	✓	Python
`Iterable`	`frozenset`	✓	Python
`Iterable`	`list`	✓	Python
`Iterable`	`set`	✓	Python
`Iterable`	`tuple`	✓	Python
`NamedTuple`	`dict`	✓	Python
`NamedTuple`	`list`	✓	Python
`NamedTuple`	`namedtuple`	✓	Python
`NamedTuple`	`tuple`	✓	Python
`NamedTuple`	`NamedTuple`	✓	Python
`None`	`None`	✓	Python & JSON
`Path`	`Path`	✓	Python
`Pattern`	`bytes`	✓	Python	Input must be a valid pattern.
`Pattern`	`str`	✓	Python & JSON	Input must be a valid pattern.
`Sequence`	`list`	✓	Python
`Type`	`Type`	✓	Python
`TypedDict`	`dict`	✓	Python
`TypedDict`	`Any`	✓	Python
`UUID`	`UUID`	✓	Python