

"""simple docstring"""
from __future__ import annotations

_A							=  {
    """A""": ["""B""", """C""", """E"""],
    """B""": ["""A""", """D""", """E"""],
    """C""": ["""A""", """F""", """G"""],
    """D""": ["""B"""],
    """E""": ["""A""", """B""", """D"""],
    """F""": ["""C"""],
    """G""": ["""C"""],
}

class       lowerCamelCase	:


  '''simple docstring'''







  def __init__(self							,       _lowerCamelCase							,       _lowerCamelCase	):


        """simple docstring"""

        UpperCAmelCase__			:							str							=    graph
        # mapping node to its parent in resulting breadth first tree
        UpperCAmelCase__			:							dict[str, str | None]							=    {}
        UpperCAmelCase__			:							Any							=    source_vertex



  def  _a      (self	):


        """simple docstring"""

        UpperCAmelCase__			:							Tuple							=    {self.source_vertex}
        UpperCAmelCase__			:							Union[str, Any]							=    None
        UpperCAmelCase__			:							str							=    [self.source_vertex]  # first in first out queue

        while queue:
              UpperCAmelCase__			:							List[Any]							=    queue.pop(0	)
              for adjacent_vertex in self.graph[vertex]:
                    if adjacent_vertex not in visited:
                          visited.add(_lowerCamelCase	)
                          UpperCAmelCase__			:							Tuple							=    vertex
                          queue.append(_lowerCamelCase	)




  def  _a      (self							,       _lowerCamelCase	):


        """simple docstring"""

        if target_vertex == self.source_vertex:
              return self.source_vertex

        UpperCAmelCase__			:							Optional[int]							=    self.parent.get(_lowerCamelCase	)
        if target_vertex_parent is None:
              UpperCAmelCase__			:							List[Any]							=    (
                  F"""No path from vertex: {self.source_vertex} to vertex: {target_vertex}"""
              )
              raise ValueError(_lowerCamelCase	)

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


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




"""simple docstring"""
# limitations under the License.

# NOTE: This file is deprecated and will be removed in a future version.
# It only exists so that temporarely `from diffusers.pipelines import DiffusionPipeline` works

from .pipelines import DiffusionPipeline, ImagePipelineOutput  # noqa: F401
from .utils import deprecate


deprecate(
    """pipelines_utils""",
    """0.22.0""",
    """Importing `DiffusionPipeline` or `ImagePipelineOutput` from diffusers.pipeline_utils is deprecated. Please import from diffusers.pipelines.pipeline_utils instead.""",
    standard_warn=False,
    stacklevel=3,
)

