



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


A__								=						"""src/transformers"""


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



def 			_lowerCAmelCase       (					__lowerCAmelCase      )   ->					Any:


				"""simple docstring"""

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



def 			_lowerCAmelCase       (					__lowerCAmelCase      )   ->					int:


				"""simple docstring"""

				with open(lowercase_  ,  '''r'''  ,  encoding='''utf-8'''  ,  newline='''\n'''      ) as f:
								snake_case__	:      Optional[Any]     		=	f.readlines()

				snake_case__	:      Optional[Any]     		=	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
				snake_case__	:      Dict     		=	[]
				while not lines[line_index].startswith('''if TYPE_CHECKING'''      ) and find_backend(lines[line_index]      ) is None:
								snake_case__	:      int     		=	lines[line_index]
								# If we have everything on a single line, let's deal with it.
								if _re_one_line_import_struct.search(lowercase_      ):
												snake_case__	:      List[Any]     		=	_re_one_line_import_struct.search(lowercase_      ).groups()[0]
												snake_case__	:      Optional[Any]     		=	re.findall('''\[([^\]]+)\]'''  ,  lowercase_      )
												for imp in imports:
																objects.extend([obj[1:-1] for obj in imp.split(''', '''      )]      )
												line_index += 1
												continue
								snake_case__	:      Any     		=	_re_import_struct_key_value.search(lowercase_      )
								if single_line_import_search is not None:
												snake_case__	:      Optional[Any]     		=	[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

				snake_case__	:      List[str]     		=	{'''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.
								snake_case__	:      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:
												snake_case__	:      List[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

												snake_case__	:      Union[str, Any]     		=	[]
												# Until we unindent, add backend objects to the list
												while len(lines[line_index]      ) <= 1 or lines[line_index].startswith(''' ''' * 4      ):
																snake_case__	:      Optional[Any]     		=	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:
																				snake_case__	:      Tuple     		=	_re_import_struct_add_many.search(lowercase_      ).groups()[0].split(''', '''      )
																				snake_case__	:      List[str]     		=	[obj[1:-1] for obj in imports if len(lowercase_      ) > 0]
																				objects.extend(lowercase_      )
																elif _re_between_brackets.search(lowercase_      ) is not None:
																				snake_case__	:      Union[str, Any]     		=	_re_between_brackets.search(lowercase_      ).groups()[0].split(''', '''      )
																				snake_case__	:      Union[str, Any]     		=	[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

												snake_case__	:      Any     		=	objects
								else:
												line_index += 1

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

				snake_case__	:      Dict     		=	{'''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.
								snake_case__	:      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:
												snake_case__	:      List[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

												snake_case__	:      Optional[Any]     		=	[]
												# Until we unindent, add backend objects to the list
												while len(lines[line_index]      ) <= 1 or lines[line_index].startswith(''' ''' * 8      ):
																snake_case__	:      Optional[int]     		=	lines[line_index]
																snake_case__	:      Dict     		=	_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

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

				return import_dict_objects, type_hint_objects



def 			_lowerCAmelCase       (					__lowerCAmelCase  ,  __lowerCAmelCase      )   ->					int:


				"""simple docstring"""

				def find_duplicates(__lowerCAmelCase      ):
								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!"]

				snake_case__	:      Union[str, Any]     		=	[]
				for key in import_dict_objects.keys():
								snake_case__	:      Optional[Any]     		=	find_duplicates(import_dict_objects[key]      )
								if duplicate_imports:
												errors.append(f"""Duplicate _import_structure definitions for: {duplicate_imports}"""      )
								snake_case__	:      Dict     		=	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]      )      ):
												snake_case__	:      Tuple     		=	'''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 			_lowerCAmelCase       (					)   ->					List[Any]:


				"""simple docstring"""

				snake_case__	:      str     		=	[]
				for root, _, files in os.walk(lowercase_      ):
								if "__init__.py" in files:
												snake_case__	:      List[Any]     		=	os.path.join(lowercase_  ,  '''__init__.py'''      )
												snake_case__	:      Any     		=	parse_init(lowercase_      )
												if objects is not None:
																snake_case__	:      Any     		=	analyze_results(*lowercase_      )
																if len(lowercase_      ) > 0:
																				snake_case__	:      Union[str, Any]     		=	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 			_lowerCAmelCase       (					)   ->					Any:


				"""simple docstring"""

				snake_case__	:      Optional[int]     		=	[]
				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
												snake_case__	:      Dict     		=	str((Path(lowercase_      ) / folder).relative_to(lowercase_      )      )
												snake_case__	:      Optional[int]     		=	short_path.replace(os.path.sep  ,  '''.'''      )
												submodules.append(lowercase_      )
								for fname in files:
												if fname == "__init__.py":
																continue
												snake_case__	:      Tuple     		=	str((Path(lowercase_      ) / fname).relative_to(lowercase_      )      )
												snake_case__	:      Optional[int]     		=	short_path.replace('''.py'''  ,  ''''''      ).replace(os.path.sep  ,  '''.'''      )
												if len(submodule.split('''.'''      )      ) == 1:
																submodules.append(lowercase_      )
				return submodules


A__								=						[
    """convert_pytorch_checkpoint_to_tf2""",
    """modeling_flax_pytorch_utils""",
]



def 			_lowerCAmelCase       (					)   ->					Optional[int]:


				"""simple docstring"""

				snake_case__	:      Any     		=	importlib.util.spec_from_file_location(
				    '''transformers'''  ,  os.path.join(lowercase_  ,  '''__init__.py'''      )  ,  submodule_search_locations=[PATH_TO_TRANSFORMERS]  ,  )
				snake_case__	:      Union[str, Any]     		=	spec.loader.load_module()

				snake_case__	:      Dict     		=	[
				    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:
								snake_case__	:      Any     		=	'''\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()







import os

import pytest

from transformers.dynamic_module_utils import get_imports


_lowerCamelCase	:		Any							       =   """
import os
"""

_lowerCamelCase	:		Optional[int]							       =   """
def foo():
    import os
    return False
"""

_lowerCamelCase	:		List[Any]							       =   """
def foo():
    def bar():
        if True:
            import os
        return False
    return bar()
"""

_lowerCamelCase	:		List[Any]							       =   """
import os

try:
    import bar
except ImportError:
    raise ValueError()
"""

_lowerCamelCase	:		Union[str, Any]							       =   """
import os

def foo():
    try:
        import bar
    except ImportError:
        raise ValueError()
"""

_lowerCamelCase	:		List[Any]							       =   """
import os

try:
    import bar
except (ImportError, AttributeError):
    raise ValueError()
"""

_lowerCamelCase	:		List[Any]							       =   """
import os

try:
    import bar
except ImportError as e:
    raise ValueError()
"""

_lowerCamelCase	:		str							       =   """
import os

try:
    import bar
except:
    raise ValueError()
"""

_lowerCamelCase	:		Optional[Any]							       =   """
import os

try:
    import bar
    import baz
except ImportError:
    raise ValueError()
"""

_lowerCamelCase	:		Any							       =   """
import os

try:
    import bar
    import baz
except ImportError:
    x = 1
    raise ValueError()
"""

_lowerCamelCase	:		Dict							       =   [
    TOP_LEVEL_IMPORT,
    IMPORT_IN_FUNCTION,
    DEEPLY_NESTED_IMPORT,
    TOP_LEVEL_TRY_IMPORT,
    GENERIC_EXCEPT_IMPORT,
    MULTILINE_TRY_IMPORT,
    MULTILINE_BOTH_IMPORT,
    MULTIPLE_EXCEPTS_IMPORT,
    EXCEPT_AS_IMPORT,
    TRY_IMPORT_IN_FUNCTION,
]







@pytest.mark.parametrize('''case''' ,				lowercase_						)
def SCREAMING_SNAKE_CASE				(       lowercase_ ,				lowercase_						)   ->       int:



       """simple docstring"""

       A__       =    os.path.join(lowercase_ ,				'''test_file.py'''						)
       with open(lowercase_ ,				'''w'''						) as _tmp_file:
              _tmp_file.write(lowercase_						)

       A__       =    get_imports(lowercase_						)
       assert parsed_imports == ["os"]


