mirror of
https://github.com/robweber/xbmcbackup.git
synced 2024-12-23 06:27:55 +01:00
76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
|
"""
|
||
|
|
Helpers for representing Stone data types in Python.
|
||
|
|
|
||
|
|
This module should be dropped into a project that requires the use of Stone. In
|
||
|
|
the future, this could be imported from a pre-installed Python package, rather
|
||
|
|
than being added to a project.
|
||
|
|
"""
|
||
|
|
|
||
|
|
from __future__ import absolute_import, unicode_literals
|
||
|
|
|
||
|
|
try:
|
||
|
|
from . import stone_validators as bv
|
||
|
|
except (SystemError, ValueError):
|
||
|
|
# Catch errors raised when importing a relative module when not in a package.
|
||
|
|
# This makes testing this file directly (outside of a package) easier.
|
||
|
|
import stone_validators as bv # type: ignore
|
||
|
|
|
||
|
|
_MYPY = False
|
||
|
|
if _MYPY:
|
||
|
|
import typing # noqa: F401 # pylint: disable=import-error,unused-import,useless-suppression
|
||
|
|
|
||
|
|
|
||
|
|
class Union(object):
|
||
|
|
# TODO(kelkabany): Possible optimization is to remove _value if a
|
||
|
|
# union is composed of only symbols.
|
||
|
|
__slots__ = ['_tag', '_value']
|
||
|
|
_tagmap = {} # type: typing.Dict[typing.Text, bv.Validator]
|
||
|
|
|
||
|
|
def __init__(self, tag, value=None):
|
||
|
|
# type: (typing.Text, typing.Optional[typing.Any]) -> None
|
||
|
|
assert tag in self._tagmap, 'Invalid tag %r.' % tag
|
||
|
|
validator = self._tagmap[tag]
|
||
|
|
if isinstance(validator, bv.Void):
|
||
|
|
assert value is None, 'Void type union member must have None value.'
|
||
|
|
elif isinstance(validator, (bv.Struct, bv.Union)):
|
||
|
|
validator.validate_type_only(value)
|
||
|
|
else:
|
||
|
|
validator.validate(value)
|
||
|
|
self._tag = tag
|
||
|
|
self._value = value
|
||
|
|
|
||
|
|
def __eq__(self, other):
|
||
|
|
# Also need to check if one class is a subclass of another. If one union extends another,
|
||
|
|
# the common fields should be able to be compared to each other.
|
||
|
|
return (
|
||
|
|
isinstance(other, Union) and
|
||
|
|
(isinstance(self, other.__class__) or isinstance(other, self.__class__)) and
|
||
|
|
self._tag == other._tag and self._value == other._value
|
||
|
|
)
|
||
|
|
|
||
|
|
def __ne__(self, other):
|
||
|
|
return not self == other
|
||
|
|
|
||
|
|
def __hash__(self):
|
||
|
|
return hash((self._tag, self._value))
|
||
|
|
|
||
|
|
class Route(object):
|
||
|
|
|
||
|
|
def __init__(self, name, deprecated, arg_type, result_type, error_type, attrs):
|
||
|
|
self.name = name
|
||
|
|
self.deprecated = deprecated
|
||
|
|
self.arg_type = arg_type
|
||
|
|
self.result_type = result_type
|
||
|
|
self.error_type = error_type
|
||
|
|
assert isinstance(attrs, dict), 'Expected dict, got %r' % attrs
|
||
|
|
self.attrs = attrs
|
||
|
|
|
||
|
|
def __repr__(self):
|
||
|
|
return 'Route({!r}, {!r}, {!r}, {!r}, {!r}, {!r})'.format(
|
||
|
|
self.name,
|
||
|
|
self.deprecated,
|
||
|
|
self.arg_type,
|
||
|
|
self.result_type,
|
||
|
|
self.error_type,
|
||
|
|
self.attrs)
|