pg.typing.Str

Accessible via pg.typing.Str.

class Str(default=MISSING_VALUE, regex=None, is_noneable=False, frozen=False)

Bases: pg.typing.Generic, pg.typing.PrimitiveType

Value spec for string type.

Examples:

# A required str value.
pg.typing.Str()

# A required str value which matches with a regular expression.
pg.typing.Str(regex='foo.*'))

# A str value with the default value set to 'foo'.
pg.typing.Str(default='foo')

# An optional str value with default value set to None.
pg.typing.Str().noneable()

# An optional str value with default value set to 'foo'.
pg.typing.Str(default='foo').noneable()

# A frozen str with value set to 'foo' that is not modifiable by subclasses.
pg.typing.Str().freeze('foo')

Methods:

format([compact, verbose, root_indent])	Format this object.
to_json(**kwargs)	Returns a plain Python value as a representation for this object.

Attributes:

regex

Returns regular expression for acceptable values.

format(compact=False, verbose=True, root_indent=0, **kwargs)

Format this object.

Return type:

str

property regex

Returns regular expression for acceptable values.

to_json(**kwargs)

Returns a plain Python value as a representation for this object.

A plain Python value are basic python types that can be serialized into JSON, e.g: bool, int, float, str, dict (with string keys), list, tuple where the container types should have plain Python values as their values.

Return type:

Dict[str, Any]

Parameters:

• context – JSON conversion context.

• **kwargs – Keyword arguments as flags to control JSON conversion.

Returns:

A plain Python value.