






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


_a    :   Dict        =			"""src/transformers"""


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


def 				snake_case__							(							UpperCAmelCase							:  Optional[int]       ):
    if _re_test_backend.search(UpperCAmelCase       ) is None:
        return None
    lowerCAmelCase__   :List[Any]      							=				[b[0] for b in _re_backend.findall(UpperCAmelCase       )]
    backends.sort()
    return "_and_".join(UpperCAmelCase       )


def 				snake_case__							(							UpperCAmelCase							:  List[str]       ):
    with open(UpperCAmelCase    ,			"r"    ,			encoding="utf-8"    ,			newline="\n"       ) as f:
        lowerCAmelCase__   :List[str]      							=				f.readlines()

    lowerCAmelCase__   :Union[str, Any]      							=				0
    while line_index < len(UpperCAmelCase       ) and not lines[line_index].startswith("_import_structure = {"       ):
        line_index += 1

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

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

    lowerCAmelCase__   :Optional[Any]      							=				{"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.
        lowerCAmelCase__   :Union[str, Any]      							=				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:
            lowerCAmelCase__   :Any      							=				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

            lowerCAmelCase__   :Optional[int]      							=				[]
            # Until we unindent, add backend objects to the list
            while len(lines[line_index]       ) <= 1 or lines[line_index].startswith(" " * 4       ):
                lowerCAmelCase__   :Union[str, Any]      							=				lines[line_index]
                if _re_import_struct_add_one.search(UpperCAmelCase       ) is not None:
                    objects.append(_re_import_struct_add_one.search(UpperCAmelCase       ).groups()[0]       )
                elif _re_import_struct_add_many.search(UpperCAmelCase       ) is not None:
                    lowerCAmelCase__   :Dict      							=				_re_import_struct_add_many.search(UpperCAmelCase       ).groups()[0].split(", "       )
                    lowerCAmelCase__   :Dict      							=				[obj[1:-1] for obj in imports if len(UpperCAmelCase       ) > 0]
                    objects.extend(UpperCAmelCase       )
                elif _re_between_brackets.search(UpperCAmelCase       ) is not None:
                    lowerCAmelCase__   :Union[str, Any]      							=				_re_between_brackets.search(UpperCAmelCase       ).groups()[0].split(", "       )
                    lowerCAmelCase__   :Union[str, Any]      							=				[obj[1:-1] for obj in imports if len(UpperCAmelCase       ) > 0]
                    objects.extend(UpperCAmelCase       )
                elif _re_quote_object.search(UpperCAmelCase       ) is not None:
                    objects.append(_re_quote_object.search(UpperCAmelCase       ).groups()[0]       )
                elif line.startswith(" " * 8 + "\""       ):
                    objects.append(line[9:-3]       )
                elif line.startswith(" " * 1_2 + "\""       ):
                    objects.append(line[1_3:-3]       )
                line_index += 1

            lowerCAmelCase__   :List[Any]      							=				objects
        else:
            line_index += 1

    # At this stage we are in the TYPE_CHECKING part, first grab the objects without a specific backend
    lowerCAmelCase__   :Optional[int]      							=				[]
    while (
        line_index < len(UpperCAmelCase       )
        and find_backend(lines[line_index]       ) is None
        and not lines[line_index].startswith("else"       )
    ):
        lowerCAmelCase__   :Optional[Any]      							=				lines[line_index]
        lowerCAmelCase__   :Optional[Any]      							=				_re_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

    lowerCAmelCase__   :Optional[Any]      							=				{"none": objects}
    # Let's continue with backend-specific objects
    while line_index < len(UpperCAmelCase       ):
        # If the line is an if is_backend_available, we grab all objects associated.
        lowerCAmelCase__   :List[Any]      							=				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:
            lowerCAmelCase__   :Optional[Any]      							=				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

            lowerCAmelCase__   :str      							=				[]
            # Until we unindent, add backend objects to the list
            while len(lines[line_index]       ) <= 1 or lines[line_index].startswith(" " * 8       ):
                lowerCAmelCase__   :Any      							=				lines[line_index]
                lowerCAmelCase__   :List[Any]      							=				_re_import.search(UpperCAmelCase       )
                if single_line_import_search is not None:
                    objects.extend(single_line_import_search.groups()[0].split(", "       )       )
                elif line.startswith(" " * 1_2       ):
                    objects.append(line[1_2:-2]       )
                line_index += 1

            lowerCAmelCase__   :int      							=				objects
        else:
            line_index += 1

    return import_dict_objects, type_hint_objects


def 				snake_case__							(							UpperCAmelCase							:  List[str]    ,			UpperCAmelCase							:  Union[str, Any]       ):

    def find_duplicates(UpperCAmelCase							:  str       ):
        return [k for k, v in collections.Counter(UpperCAmelCase       ).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!"]

    lowerCAmelCase__   :Dict      							=				[]
    for key in import_dict_objects.keys():
        lowerCAmelCase__   :Dict      							=				find_duplicates(import_dict_objects[key]       )
        if duplicate_imports:
            errors.append(F'''Duplicate _import_structure definitions for: {duplicate_imports}'''       )
        lowerCAmelCase__   :Optional[Any]      							=				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]       )       ):
            lowerCAmelCase__   :Optional[Any]      							=				"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 				snake_case__							(							):
    lowerCAmelCase__   :str      							=				[]
    for root, _, files in os.walk(UpperCAmelCase       ):
        if "__init__.py" in files:
            lowerCAmelCase__   :Any      							=				os.path.join(UpperCAmelCase    ,			"__init__.py"       )
            lowerCAmelCase__   :Optional[Any]      							=				parse_init(UpperCAmelCase       )
            if objects is not None:
                lowerCAmelCase__   :Any      							=				analyze_results(*UpperCAmelCase       )
                if len(UpperCAmelCase       ) > 0:
                    lowerCAmelCase__   :str      							=				F'''Problem in {fname}, both halves do not define the same objects.\n{errors[0]}'''
                    failures.append("\n".join(UpperCAmelCase       )       )
    if len(UpperCAmelCase       ) > 0:
        raise ValueError("\n\n".join(UpperCAmelCase       )       )


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


_a    :   List[Any]        =			[
    """convert_pytorch_checkpoint_to_tf2""",
    """modeling_flax_pytorch_utils""",
]


def 				snake_case__							(							):
    # This is to make sure the transformers module imported is the one in the repo.
    lowerCAmelCase__   :Optional[int]      							=				importlib.util.spec_from_file_location(
        "transformers"    ,			os.path.join(UpperCAmelCase    ,			"__init__.py"       )    ,			submodule_search_locations=[PATH_TO_TRANSFORMERS]    ,			)
    lowerCAmelCase__   :Dict      							=				spec.loader.load_module()

    lowerCAmelCase__   :List[str]      							=				[
        module
        for module in get_transformers_submodules()
        if module not in IGNORE_SUBMODULES and module not in transformers._import_structure.keys()
    ]
    if len(UpperCAmelCase       ) > 0:
        lowerCAmelCase__   :List[str]      							=				"\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()











from __future__ import annotations

import numpy as np


def 				snake_case__							(							UpperCAmelCase							:  np.ndarray       ):
    lowerCAmelCase__							,lowerCAmelCase__   :List[str]      							=				np.shape(UpperCAmelCase       )
    if rows != columns:
        lowerCAmelCase__   :Tuple      							=				(
            "'table' has to be of square shaped array but got a "
            F'''{rows}x{columns} array:\n{table}'''
        )
        raise ValueError(UpperCAmelCase       )

    lowerCAmelCase__   :Optional[Any]      							=				np.zeros((rows, columns)       )
    lowerCAmelCase__   :Tuple      							=				np.zeros((rows, columns)       )
    for i in range(UpperCAmelCase       ):
        for j in range(UpperCAmelCase       ):
            lowerCAmelCase__   :Any      							=				sum(lower[i][k] * upper[k][j] for k in range(UpperCAmelCase       )       )
            if upper[j][j] == 0:
                raise ArithmeticError("No LU decomposition exists"       )
            lowerCAmelCase__   :Any      							=				(table[i][j] - total) / upper[j][j]
        lowerCAmelCase__   :Tuple      							=				1
        for j in range(UpperCAmelCase    ,			UpperCAmelCase       ):
            lowerCAmelCase__   :Optional[Any]      							=				sum(lower[i][k] * upper[k][j] for k in range(UpperCAmelCase       )       )
            lowerCAmelCase__   :Dict      							=				table[i][j] - total
    return lower, upper


if __name__ == "__main__":
 import doctest

 doctest.testmod()



