




import collections
import importlib.util
import os
import re
from pathlib import Path


_lowerCamelCase	:		str							       =   """src/transformers"""


# Matches is_xxx_available()
_lowerCamelCase	:		Optional[int]							       =   re.compile(r"""is\_([a-z_]*)_available()""")
# Catches a one-line _import_struct = {xxx}
_lowerCamelCase	:		Tuple							       =   re.compile(r"""^_import_structure\s+=\s+\{([^\}]+)\}""")
# Catches a line with a key-values pattern: "bla": ["foo", "bar"]
_lowerCamelCase	:		Union[str, Any]							       =   re.compile(r"""\s+\"\S*\":\s+\[([^\]]*)\]""")
# Catches a line if not is_foo_available
_lowerCamelCase	:		Tuple							       =   re.compile(r"""^\s*if\s+not\s+is\_[a-z_]*\_available\(\)""")
# Catches a line _import_struct["bla"].append("foo")
_lowerCamelCase	:		Union[str, Any]							       =   re.compile(r"""^\s*_import_structure\[\"\S*\"\]\.append\(\"(\S*)\"\)""")
# Catches a line _import_struct["bla"].extend(["foo", "bar"]) or _import_struct["bla"] = ["foo", "bar"]
_lowerCamelCase	:		Optional[int]							       =   re.compile(r"""^\s*_import_structure\[\S*\](?:\.extend\(|\s*=\s+)\[([^\]]*)\]""")
# Catches a line with an object between quotes and a comma:     "MyModel",
_lowerCamelCase	:		Optional[int]							       =   re.compile("""^\s+\"([^\"]+)\",""")
# Catches a line with objects between brackets only:    ["foo", "bar"],
_lowerCamelCase	:		int							       =   re.compile("""^\s+\[([^\]]+)\]""")
# Catches a line with from foo import bar, bla, boo
_lowerCamelCase	:		str							       =   re.compile(r"""\s+from\s+\S*\s+import\s+([^\(\s].*)\n""")
# Catches a line with try:
_lowerCamelCase	:		str							       =   re.compile(r"""^\s*try:""")
# Catches a line with else:
_lowerCamelCase	:		Any							       =   re.compile(r"""^\s*else:""")







def SCREAMING_SNAKE_CASE				(       lowercase_						)   ->       Any:



       """simple docstring"""

       if _re_test_backend.search(lowercase_						) is None:
              return None
       A__       =    [b[0] for b in _re_backend.findall(lowercase_						)]
       backends.sort()
       return "_and_".join(lowercase_						)







def SCREAMING_SNAKE_CASE				(       lowercase_						)   ->       int:



       """simple docstring"""

       with open(lowercase_ ,				'''r''' ,				encoding='''utf-8''' ,				newline='''\n'''						) as f:
              A__       =    f.readlines()

       A__       =    0
       while line_index < len(lowercase_						) and not lines[line_index].startswith('''_import_structure = {'''						):
              line_index += 1

       # If this is a traditional init, just return.
       if line_index >= len(lowercase_						):
              return None

       # First grab the objects without a specific backend in _import_structure
       A__       =    []
       while not lines[line_index].startswith('''if TYPE_CHECKING'''						) and find_backend(lines[line_index]						) is None:
              A__       =    lines[line_index]
              # If we have everything on a single line, let's deal with it.
              if _re_one_line_import_struct.search(lowercase_						):
                     A__       =    _re_one_line_import_struct.search(lowercase_						).groups()[0]
                     A__       =    re.findall('''\[([^\]]+)\]''' ,				lowercase_						)
                     for imp in imports:
                            objects.extend([obj[1:-1] for obj in imp.split(''', '''						)]						)
                     line_index += 1
                     continue
              A__       =    _re_import_struct_key_value.search(lowercase_						)
              if single_line_import_search is not None:
                     A__       =    [obj[1:-1] for obj in single_line_import_search.groups()[0].split(''', '''						) if len(lowercase_						) > 0]
                     objects.extend(lowercase_						)
              elif line.startswith(''' ''' * 8 + '''"'''						):
                     objects.append(line[9:-3]						)
              line_index += 1

       A__       =    {'''none''': objects}
       # Let's continue with backend-specific objects in _import_structure
       while not lines[line_index].startswith('''if TYPE_CHECKING'''						):
              # If the line is an if not is_backend_available, we grab all objects associated.
              A__       =    find_backend(lines[line_index]						)
              # Check if the backend declaration is inside a try block:
              if _re_try.search(lines[line_index - 1]						) is None:
                     A__       =    None

              if backend is not None:
                     line_index += 1

                     # Scroll until we hit the else block of try-except-else
                     while _re_else.search(lines[line_index]						) is None:
                            line_index += 1

                     line_index += 1

                     A__       =    []
                     # Until we unindent, add backend objects to the list
                     while len(lines[line_index]						) <= 1 or lines[line_index].startswith(''' ''' * 4						):
                            A__       =    lines[line_index]
                            if _re_import_struct_add_one.search(lowercase_						) is not None:
                                   objects.append(_re_import_struct_add_one.search(lowercase_						).groups()[0]						)
                            elif _re_import_struct_add_many.search(lowercase_						) is not None:
                                   A__       =    _re_import_struct_add_many.search(lowercase_						).groups()[0].split(''', '''						)
                                   A__       =    [obj[1:-1] for obj in imports if len(lowercase_						) > 0]
                                   objects.extend(lowercase_						)
                            elif _re_between_brackets.search(lowercase_						) is not None:
                                   A__       =    _re_between_brackets.search(lowercase_						).groups()[0].split(''', '''						)
                                   A__       =    [obj[1:-1] for obj in imports if len(lowercase_						) > 0]
                                   objects.extend(lowercase_						)
                            elif _re_quote_object.search(lowercase_						) is not None:
                                   objects.append(_re_quote_object.search(lowercase_						).groups()[0]						)
                            elif line.startswith(''' ''' * 8 + '''"'''						):
                                   objects.append(line[9:-3]						)
                            elif line.startswith(''' ''' * 12 + '''"'''						):
                                   objects.append(line[13:-3]						)
                            line_index += 1

                     A__       =    objects
              else:
                     line_index += 1

    # At this stage we are in the TYPE_CHECKING part, first grab the objects without a specific backend
       A__       =    []
       while (
           line_index < len(lowercase_						)
           and find_backend(lines[line_index]						) is None
           and not lines[line_index].startswith('''else'''						)
       ):
              A__       =    lines[line_index]
              A__       =    _re_import.search(lowercase_						)
              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

       A__       =    {'''none''': objects}
       # Let's continue with backend-specific objects
       while line_index < len(lowercase_						):
              # If the line is an if is_backend_available, we grab all objects associated.
              A__       =    find_backend(lines[line_index]						)
              # Check if the backend declaration is inside a try block:
              if _re_try.search(lines[line_index - 1]						) is None:
                     A__       =    None

              if backend is not None:
                     line_index += 1

                     # Scroll until we hit the else block of try-except-else
                     while _re_else.search(lines[line_index]						) is None:
                            line_index += 1

                     line_index += 1

                     A__       =    []
                     # Until we unindent, add backend objects to the list
                     while len(lines[line_index]						) <= 1 or lines[line_index].startswith(''' ''' * 8						):
                            A__       =    lines[line_index]
                            A__       =    _re_import.search(lowercase_						)
                            if single_line_import_search is not None:
                                   objects.extend(single_line_import_search.groups()[0].split(''', '''						)						)
                            elif line.startswith(''' ''' * 12						):
                                   objects.append(line[12:-2]						)
                            line_index += 1

                     A__       =    objects
              else:
                     line_index += 1

       return import_dict_objects, type_hint_objects







def SCREAMING_SNAKE_CASE				(       lowercase_ ,				lowercase_						)   ->       int:



       """simple docstring"""

       def find_duplicates(lowercase_						):
              return [k for k, v in collections.Counter(lowercase_						).items() if v > 1]

       if list(import_dict_objects.keys()						) != list(type_hint_objects.keys()						):
              return ["Both sides of the init do not have the same backends!"]

       A__       =    []
       for key in import_dict_objects.keys():
              A__       =    find_duplicates(import_dict_objects[key]						)
              if duplicate_imports:
                     errors.append(f"""Duplicate _import_structure definitions for: {duplicate_imports}"""						)
              A__       =    find_duplicates(type_hint_objects[key]						)
              if duplicate_type_hints:
                     errors.append(f"""Duplicate TYPE_CHECKING objects for: {duplicate_type_hints}"""						)

              if sorted(set(import_dict_objects[key]						)						) != sorted(set(type_hint_objects[key]						)						):
                     A__       =    '''base imports''' if key == '''none''' else f"""{key} backend"""
                     errors.append(f"""Differences for {name}:"""						)
                     for a in type_hint_objects[key]:
                            if a not in import_dict_objects[key]:
                                   errors.append(f"""  {a} in TYPE_HINT but not in _import_structure."""						)
                     for a in import_dict_objects[key]:
                            if a not in type_hint_objects[key]:
                                   errors.append(f"""  {a} in _import_structure but not in TYPE_HINT."""						)
       return errors







def SCREAMING_SNAKE_CASE				(       )   ->       List[Any]:



       """simple docstring"""

       A__       =    []
       for root, _, files in os.walk(lowercase_						):
              if "__init__.py" in files:
                     A__       =    os.path.join(lowercase_ ,				'''__init__.py'''						)
                     A__       =    parse_init(lowercase_						)
                     if objects is not None:
                            A__       =    analyze_results(*lowercase_						)
                            if len(lowercase_						) > 0:
                                   A__       =    f"""Problem in {fname}, both halves do not define the same objects.\n{errors[0]}"""
                                   failures.append('''\n'''.join(lowercase_						)						)
       if len(lowercase_						) > 0:
              raise ValueError('''\n\n'''.join(lowercase_						)						)







def SCREAMING_SNAKE_CASE				(       )   ->       Any:



       """simple docstring"""

       A__       =    []
       for path, directories, files in os.walk(lowercase_						):
              for folder in directories:
                     # Ignore private modules
                     if folder.startswith('''_'''						):
                            directories.remove(lowercase_						)
                            continue
                     # Ignore leftovers from branches (empty folders apart from pycache)
                     if len(list((Path(lowercase_						) / folder).glob('''*.py'''						)						)						) == 0:
                            continue
                     A__       =    str((Path(lowercase_						) / folder).relative_to(lowercase_						)						)
                     A__       =    short_path.replace(os.path.sep ,				'''.'''						)
                     submodules.append(lowercase_						)
              for fname in files:
                     if fname == "__init__.py":
                            continue
                     A__       =    str((Path(lowercase_						) / fname).relative_to(lowercase_						)						)
                     A__       =    short_path.replace('''.py''' ,				''''''						).replace(os.path.sep ,				'''.'''						)
                     if len(submodule.split('''.'''						)						) == 1:
                            submodules.append(lowercase_						)
       return submodules


_lowerCamelCase	:		int							       =   [
    """convert_pytorch_checkpoint_to_tf2""",
    """modeling_flax_pytorch_utils""",
]







def SCREAMING_SNAKE_CASE				(       )   ->       Optional[int]:



       """simple docstring"""

       A__       =    importlib.util.spec_from_file_location(
           '''transformers''' ,				os.path.join(lowercase_ ,				'''__init__.py'''						) ,				submodule_search_locations=[PATH_TO_TRANSFORMERS] ,				)
       A__       =    spec.loader.load_module()

       A__       =    [
           module
           for module in get_transformers_submodules()
           if module not in IGNORE_SUBMODULES and module not in transformers._import_structure.keys()
       ]
       if len(lowercase_						) > 0:
              A__       =    '''\n'''.join(f"""- {module}""" for module in module_not_registered						)
              raise ValueError(
                  '''The following submodules are not properly registered in the main init of Transformers:\n'''
                  f"""{list_of_modules}\n"""
                  '''Make sure they appear somewhere in the keys of `_import_structure` with an empty list as value.'''						)


if __name__ == "__main__":
  check_all_inits()
  check_submodules()








def SCREAMING_SNAKE_CASE				(       lowercase_						)   ->       Any:



       """simple docstring"""

       A__       =    [0] * len(lowercase_						)
       A__       =    []
       A__       =    [1] * len(lowercase_						)

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

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

       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(lowercase_						)

       print(max(lowercase_						)						)


# Adjacency list of Graph
_lowerCamelCase	:		Optional[int]							       =   {0: [2, 3, 4], 1: [2, 7], 2: [5], 3: [5, 7], 4: [7], 5: [6], 6: [7], 7: []}
longest_distance(graph)


