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__init__.py	934 B	-rw-r--r--
__main__.py	39 B	-rw-r--r--
_format.py	11.42 KB	-rw-r--r--
_legacy_validators.py	4.48 KB	-rw-r--r--
_reflect.py	4.91 KB	-rw-r--r--
_types.py	4.38 KB	-rw-r--r--
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_validators.py	11.43 KB	-rw-r--r--
cli.py	2.26 KB	-rw-r--r--
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exceptions.py	10.21 KB	-rw-r--r--
validators.py	28.71 KB	-rw-r--r--

Code Editor : _types.py

import numbers

from pyrsistent import pmap
import attr

from jsonschema.compat import int_types, str_types
from jsonschema.exceptions import UndefinedTypeCheck

def is_array(checker, instance):
    return isinstance(instance, list)

def is_bool(checker, instance):
    return isinstance(instance, bool)

def is_integer(checker, instance):
    # bool inherits from int, so ensure bools aren't reported as ints
    if isinstance(instance, bool):
        return False
    return isinstance(instance, int_types)

def is_null(checker, instance):
    return instance is None

def is_number(checker, instance):
    # bool inherits from int, so ensure bools aren't reported as ints
    if isinstance(instance, bool):
        return False
    return isinstance(instance, numbers.Number)

def is_object(checker, instance):
    return isinstance(instance, dict)

def is_string(checker, instance):
    return isinstance(instance, str_types)

def is_any(checker, instance):
    return True

@attr.s(frozen=True)
class TypeChecker(object):
    """
    A ``type`` property checker.

A `TypeChecker` performs type checking for an `IValidator`. Type
    checks to perform are updated using `TypeChecker.redefine` or
    `TypeChecker.redefine_many` and removed via `TypeChecker.remove`.
    Each of these return a new `TypeChecker` object.

Arguments:

type_checkers (dict):

The initial mapping of types to their checking functions.
    """
    _type_checkers = attr.ib(default=pmap(), converter=pmap)

def is_type(self, instance, type):
        """
        Check if the instance is of the appropriate type.

Arguments:

instance (object):

The instance to check

type (str):

The name of the type that is expected.

Returns:

bool: Whether it conformed.

Raises:

`jsonschema.exceptions.UndefinedTypeCheck`:
                if type is unknown to this object.
        """
        try:
            fn = self._type_checkers[type]
        except KeyError:
            raise UndefinedTypeCheck(type)

return fn(self, instance)

def redefine(self, type, fn):
        """
        Produce a new checker with the given type redefined.

Arguments:

type (str):

The name of the type to check.

fn (collections.Callable):

A function taking exactly two parameters - the type
                checker calling the function and the instance to check.
                The function should return true if instance is of this
                type and false otherwise.

Returns:

A new `TypeChecker` instance.
        """
        return self.redefine_many({type: fn})

def redefine_many(self, definitions=()):
        """
        Produce a new checker with the given types redefined.

Arguments:

definitions (dict):

A dictionary mapping types to their checking functions.

Returns:

A new `TypeChecker` instance.
        """
        return attr.evolve(
            self, type_checkers=self._type_checkers.update(definitions),
        )

def remove(self, *types):
        """
        Produce a new checker with the given types forgotten.

Arguments:

types (~collections.Iterable):

the names of the types to remove.

Returns:

A new `TypeChecker` instance

Raises:

`jsonschema.exceptions.UndefinedTypeCheck`:

if any given type is unknown to this object
        """

checkers = self._type_checkers
        for each in types:
            try:
                checkers = checkers.remove(each)
            except KeyError:
                raise UndefinedTypeCheck(each)
        return attr.evolve(self, type_checkers=checkers)

draft3_type_checker = TypeChecker(
    {
        u"any": is_any,
        u"array": is_array,
        u"boolean": is_bool,
        u"integer": is_integer,
        u"object": is_object,
        u"null": is_null,
        u"number": is_number,
        u"string": is_string,
    },
)
draft4_type_checker = draft3_type_checker.remove(u"any")
draft6_type_checker = draft4_type_checker.redefine(
    u"integer",
    lambda checker, instance: (
        is_integer(checker, instance) or
        isinstance(instance, float) and instance.is_integer()
    ),
)
draft7_type_checker = draft6_type_checker

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Code Editor : _types.py