



import os
import sys
import unittest


__UpperCAmelCase          =       os.path.abspath(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
sys.path.append(os.path.join(git_repo_path, '''utils'''))

import check_dummies  # noqa: E402
from check_dummies import create_dummy_files, create_dummy_object, find_backend, read_init  # noqa: E402


# Align TRANSFORMERS_PATH in check_dummies with the current path
__UpperCAmelCase          =       os.path.join(git_repo_path, '''src''', '''diffusers''')



class 				lowerCAmelCase_		(  unittest.TestCase							):
       def 					snake_case_       (			self       )     ->		Optional[Any]:
          UpperCamelCase    :  List[Any]							=	find_backend('    if not is_torch_available():'       )
          self.assertEqual(SCREAMING_SNAKE_CASE_,			'torch'       )

          # backend_with_underscore = find_backend("    if not is_tensorflow_text_available():")
          # self.assertEqual(backend_with_underscore, "tensorflow_text")

          UpperCamelCase    :  Union[str, Any]							=	find_backend('    if not (is_torch_available() and is_transformers_available()):'       )
          self.assertEqual(SCREAMING_SNAKE_CASE_,			'torch_and_transformers'       )

          # double_backend_with_underscore = find_backend(
          #    "    if not (is_sentencepiece_available() and is_tensorflow_text_available()):"
          # )
          # self.assertEqual(double_backend_with_underscore, "sentencepiece_and_tensorflow_text")

          UpperCamelCase    :  Union[str, Any]							=	find_backend(
              '    if not (is_torch_available() and is_transformers_available() and is_onnx_available()):'       )
          self.assertEqual(SCREAMING_SNAKE_CASE_,			'torch_and_transformers_and_onnx'       )
       def 					snake_case_       (			self       )     ->		Any:
          UpperCamelCase    :  Any							=	read_init()
          # We don't assert on the exact list of keys to allow for smooth grow of backend-specific objects
          self.assertIn('torch',			SCREAMING_SNAKE_CASE_       )
          self.assertIn('torch_and_transformers',			SCREAMING_SNAKE_CASE_       )
          self.assertIn('flax_and_transformers',			SCREAMING_SNAKE_CASE_       )
          self.assertIn('torch_and_transformers_and_onnx',			SCREAMING_SNAKE_CASE_       )

          # Likewise, we can't assert on the exact content of a key
          self.assertIn('UNet2DModel',			objects['torch']       )
          self.assertIn('FlaxUNet2DConditionModel',			objects['flax']       )
          self.assertIn('StableDiffusionPipeline',			objects['torch_and_transformers']       )
          self.assertIn('FlaxStableDiffusionPipeline',			objects['flax_and_transformers']       )
          self.assertIn('LMSDiscreteScheduler',			objects['torch_and_scipy']       )
          self.assertIn('OnnxStableDiffusionPipeline',			objects['torch_and_transformers_and_onnx']       )
       def 					snake_case_       (			self       )     ->		Any:
          UpperCamelCase    :  int							=	create_dummy_object('CONSTANT',			'\'torch\''       )
          self.assertEqual(SCREAMING_SNAKE_CASE_,			'\nCONSTANT = None\n'       )

          UpperCamelCase    :  Union[str, Any]							=	create_dummy_object('function',			'\'torch\''       )
          self.assertEqual(
              SCREAMING_SNAKE_CASE_,			'\ndef function(*args, **kwargs):\n    requires_backends(function, \'torch\')\n'       )

          UpperCamelCase    :  int							=	'\nclass FakeClass(metaclass=DummyObject):\n    _backends = \'torch\'\n\n    def __init__(self, *args, **kwargs):\n        requires_backends(self, \'torch\')\n\n    @classmethod\n    def from_config(cls, *args, **kwargs):\n        requires_backends(cls, \'torch\')\n\n    @classmethod\n    def from_pretrained(cls, *args, **kwargs):\n        requires_backends(cls, \'torch\')\n'
          UpperCamelCase    :  Dict							=	create_dummy_object('FakeClass',			'\'torch\''       )
          self.assertEqual(SCREAMING_SNAKE_CASE_,			SCREAMING_SNAKE_CASE_       )






       def 					snake_case_       (			self       )     ->		List[Any]:
          UpperCamelCase    :  List[str]							=	'# This file is autogenerated by the command `make fix-copies`, do not edit.\nfrom ..utils import DummyObject, requires_backends\n\n\nCONSTANT = None\n\n\ndef function(*args, **kwargs):\n    requires_backends(function, ["torch"])\n\n\nclass FakeClass(metaclass=DummyObject):\n    _backends = ["torch"]\n\n    def __init__(self, *args, **kwargs):\n        requires_backends(self, ["torch"])\n\n    @classmethod\n    def from_config(cls, *args, **kwargs):\n        requires_backends(cls, ["torch"])\n\n    @classmethod\n    def from_pretrained(cls, *args, **kwargs):\n        requires_backends(cls, ["torch"])\n'
          UpperCamelCase    :  Any							=	create_dummy_files({'torch': ['CONSTANT', 'function', 'FakeClass']}       )
          self.assertEqual(dummy_files['torch'],			SCREAMING_SNAKE_CASE_       )








from __future__ import annotations

__UpperCAmelCase          =       {
    '''A''': ['''B''', '''C''', '''E'''],
    '''B''': ['''A''', '''D''', '''E'''],
    '''C''': ['''A''', '''F''', '''G'''],
    '''D''': ['''B'''],
    '''E''': ['''A''', '''B''', '''D'''],
    '''F''': ['''C'''],
    '''G''': ['''C'''],
}



class 				lowerCAmelCase_		:
       def __init__(			self,			SCREAMING_SNAKE_CASE_,			SCREAMING_SNAKE_CASE_       )     ->		None:
          UpperCamelCase    :  Union[str, Any]							=	graph
          # mapping node to its parent in resulting breadth first tree
          UpperCamelCase    :  dict[str, str | None]							=	{}
          UpperCamelCase    :  Union[str, Any]							=	source_vertex
       def 					snake_case_       (			self       )     ->		None:
          UpperCamelCase    :  str							=	{self.source_vertex}
          UpperCamelCase    :  str							=	None
          UpperCamelCase    :  int							=	[self.source_vertex]  # first in first out queue

          while queue:
             UpperCamelCase    :  Dict							=	queue.pop(0       )
             for adjacent_vertex in self.graph[vertex]:
                if adjacent_vertex not in visited:
                   visited.add(SCREAMING_SNAKE_CASE_       )
                   UpperCamelCase    :  Tuple							=	vertex
                   queue.append(SCREAMING_SNAKE_CASE_       )






       def 					snake_case_       (			self,			SCREAMING_SNAKE_CASE_       )     ->		str:
          if target_vertex == self.source_vertex:
             return self.source_vertex

          UpperCamelCase    :  Optional[Any]							=	self.parent.get(SCREAMING_SNAKE_CASE_       )
          if target_vertex_parent is None:
             UpperCamelCase    :  Union[str, Any]							=	(
                 F"""No path from vertex: {self.source_vertex} to vertex: {target_vertex}"""
             )
             raise ValueError(SCREAMING_SNAKE_CASE_       )

          return self.shortest_path(SCREAMING_SNAKE_CASE_       ) + F"""->{target_vertex}"""


if __name__ == "__main__":
    __UpperCAmelCase          =       Graph(graph, '''G''')
    g.breath_first_search()
    print(g.shortest_path('''D'''))
    print(g.shortest_path('''G'''))
    print(g.shortest_path('''Foo'''))



