

"""simple docstring"""



import argparse
import os
import re


# All paths are set with the intent you should run this script from the root of the repo with the command
# python utils/check_dummies.py
SCREAMING_SNAKE_CASE_					:	Any							  =						'src/diffusers'

# Matches is_xxx_available()
SCREAMING_SNAKE_CASE_					:	Dict							  =						re.compile(r'is\_([a-z_]*)_available\(\)')
# Matches from xxx import bla
SCREAMING_SNAKE_CASE_					:	str							  =						re.compile(r'\s+from\s+\S*\s+import\s+([^\(\s].*)\n')


SCREAMING_SNAKE_CASE_					:	Optional[Any]							  =						'\n{0} = None\n'

SCREAMING_SNAKE_CASE_					:	Tuple							  =						'\nclass {0}(metaclass=DummyObject):\n    _backends = {1}\n\n    def __init__(self, *args, **kwargs):\n        requires_backends(self, {1})\n\n    @classmethod\n    def from_config(cls, *args, **kwargs):\n        requires_backends(cls, {1})\n\n    @classmethod\n    def from_pretrained(cls, *args, **kwargs):\n        requires_backends(cls, {1})\n'


SCREAMING_SNAKE_CASE_					:	Optional[Any]							  =						'\ndef {0}(*args, **kwargs):\n    requires_backends({0}, {1})\n'





def  _snake_case     (    UpperCAmelCase_  :					str			):
     A__										=  _re_backend.findall(UpperCAmelCase_			)
     if len(UpperCAmelCase_			) == 0:
          return None

     return "_and_".join(UpperCAmelCase_			)





def  _snake_case     (    ):
     with open(os.path.join(UpperCAmelCase_					,   """__init__.py"""			)					,   """r"""					,   encoding="""utf-8"""					,   newline="""\n"""			) as f:
          A__										=  f.readlines()

     # Get to the point we do the actual imports for type checking
     A__										=  0
     A__										=  {}
     # Go through the end of the file
     while line_index < len(UpperCAmelCase_			):
          # If the line contains is_backend_available, we grab all objects associated with the `else` block
          A__										=  find_backend(lines[line_index]			)
          if backend is not None:
               while not lines[line_index].startswith("""else:"""			):
                    line_index += 1
               line_index += 1
               A__										=  []
               # Until we unindent, add backend objects to the list
               while line_index < len(UpperCAmelCase_			) and len(lines[line_index]			) > 1:
                    A__										=  lines[line_index]
                    A__										=  _re_single_line_import.search(UpperCAmelCase_			)
                    if single_line_import_search is not None:
                         objects.extend(single_line_import_search.groups()[0].split(""", """			)			)
                    elif line.startswith(""" """ * 8			):
                         objects.append(line[8:-2]			)
                    line_index += 1

               if len(UpperCAmelCase_			) > 0:
                    A__										=  objects
          else:
               line_index += 1

     return backend_specific_objects





def  _snake_case     (    UpperCAmelCase_  :					Union[str, Any]					,   UpperCAmelCase_  :					List[Any]			):
     if name.isupper():
          return DUMMY_CONSTANT.format(UpperCAmelCase_			)
     elif name.islower():
          return DUMMY_FUNCTION.format(UpperCAmelCase_					,   UpperCAmelCase_			)
     else:
          return DUMMY_CLASS.format(UpperCAmelCase_					,   UpperCAmelCase_			)





def  _snake_case     (    UpperCAmelCase_  :					Dict=None			):
     if backend_specific_objects is None:
          A__										=  read_init()
     # For special correspondence backend to module name as used in the function requires_modulename
     A__										=  {}

     for backend, objects in backend_specific_objects.items():
          A__										=  """[""" + """, """.join(F"""\"{b}\"""" for b in backend.split("""_and_"""			)			) + """]"""
          A__										=  """# This file is autogenerated by the command `make fix-copies`, do not edit.\n"""
          dummy_file += "from ..utils import DummyObject, requires_backends\n\n"
          dummy_file += "\n".join([create_dummy_object(UpperCAmelCase_					,   UpperCAmelCase_			) for o in objects]			)
          A__										=  dummy_file

     return dummy_files





def  _snake_case     (    UpperCAmelCase_  :					List[Any]=False			):
     A__										=  create_dummy_files()
     # For special correspondence backend to shortcut as used in utils/dummy_xxx_objects.py
     A__										=  {"""torch""": """pt"""}

     # Locate actual dummy modules and read their content.
     A__										=  os.path.join(UpperCAmelCase_					,   """utils"""			)
     A__										=  {
         backend: os.path.join(UpperCAmelCase_					,   F"""dummy_{short_names.get(UpperCAmelCase_					,   UpperCAmelCase_			)}_objects.py"""			)
         for backend in dummy_files.keys()
     }

     A__										=  {}
     for backend, file_path in dummy_file_paths.items():
          if os.path.isfile(UpperCAmelCase_			):
               with open(UpperCAmelCase_					,   """r"""					,   encoding="""utf-8"""					,   newline="""\n"""			) as f:
                    A__										=  f.read()
          else:
               A__										=  """"""

     for backend in dummy_files.keys():
          if dummy_files[backend] != actual_dummies[backend]:
               if overwrite:
                    print(
                        F"""Updating diffusers.utils.dummy_{short_names.get(UpperCAmelCase_					,   UpperCAmelCase_			)}_objects.py as the main """
                        """__init__ has new objects."""			)
                    with open(dummy_file_paths[backend]					,   """w"""					,   encoding="""utf-8"""					,   newline="""\n"""			) as f:
                         f.write(dummy_files[backend]			)
               else:
                    raise ValueError(
                        """The main __init__ has objects that are not present in """
                        F"""diffusers.utils.dummy_{short_names.get(UpperCAmelCase_					,   UpperCAmelCase_			)}_objects.py. Run `make fix-copies` """
                        """to fix this."""			)


if __name__ == "__main__":
 SCREAMING_SNAKE_CASE_					:	Tuple							  =						argparse.ArgumentParser()
 parser.add_argument('--fix_and_overwrite', action='store_true', help='Whether to fix inconsistencies.')
 SCREAMING_SNAKE_CASE_					:	str							  =						parser.parse_args()

 check_dummies(args.fix_and_overwrite)









"""simple docstring"""



def  _snake_case     (    UpperCAmelCase_  :					List[str]			):
     A__										=  [0] * len(UpperCAmelCase_			)
     A__										=  []
     A__										=  [1] * len(UpperCAmelCase_			)

     for values in graph.values():
          for i in values:
               indegree[i] += 1

     for i in range(len(UpperCAmelCase_			)			):
          if indegree[i] == 0:
               queue.append(UpperCAmelCase_			)

     while queue:
          A__										=  queue.pop(0			)
          for x in graph[vertex]:
               indegree[x] -= 1

               if long_dist[vertex] + 1 > long_dist[x]:
                    A__										=  long_dist[vertex] + 1

               if indegree[x] == 0:
                    queue.append(UpperCAmelCase_			)

     print(max(UpperCAmelCase_			)			)


# Adjacency list of Graph
SCREAMING_SNAKE_CASE_					:	Any							  =						{0: [2, 3, 4], 1: [2, 7], 2: [5], 3: [5, 7], 4: [7], 5: [6], 6: [7], 7: []}

longest_distance(graph)






