'''simple docstring'''




import importlib.metadata
import operator
import re
import sys
from typing import Optional

from packaging import version


_a   :	Optional[Any] 							=   {
    "<": operator.lt,
    "<=": operator.le,
    "==": operator.eq,
    "!=": operator.ne,
    ">=": operator.ge,
    ">": operator.gt,
}

def _lowercase	(      lowerCamelCase__							,    lowerCamelCase__							,    lowerCamelCase__							,    lowerCamelCase__							,    lowerCamelCase__							,    lowerCamelCase__						)					->       Optional[Any]:





       """simple docstring"""


       if got_ver is None or want_ver is None:
              raise ValueError(
                  f"""Unable to compare versions for {requirement}: need={want_ver} found={got_ver}. This is unusual. Consider"""
                  f""" reinstalling {pkg}."""						)
       if not ops[op](version.parse(__lowercase						)							,    version.parse(__lowercase						)						):
              raise ImportError(
                  f"""{requirement} is required for a normal functioning of this module, but found {pkg}=={got_ver}.{hint}"""						)

def _lowercase	(      lowerCamelCase__							,    lowerCamelCase__ = None						)					->       Union[str, Any]:





       """simple docstring"""


       __UpperCAmelCase  :				int       				=		f"""\n{hint}""" if hint is not None else ''

       # non-versioned check
       if re.match(R"^[\w_\-\d]+$"							,    __lowercase						):
              __UpperCAmelCase  :				List[str]       				=		requirement, None, None
       else:
              __UpperCAmelCase  :				Optional[int]       				=		re.findall(R"^([^!=<>\s]+)([\s!=<>]{1,2}.+)"							,    __lowercase						)
              if not match:
                     raise ValueError(
                         "requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23, but"
                         f""" got {requirement}"""						)
              __UpperCAmelCase  :				Tuple       				=		match[0]
              __UpperCAmelCase  :				Optional[Any]       				=		want_full.split(","						)  # there could be multiple requirements
              __UpperCAmelCase  :				Optional[int]       				=		{}
              for w in want_range:
                     __UpperCAmelCase  :				int       				=		re.findall(R"^([\s!=<>]{1,2})(.+)"							,    __lowercase						)
                     if not match:
                            raise ValueError(
                                "requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23,"
                                f""" but got {requirement}"""						)
                     __UpperCAmelCase  :				Any       				=		match[0]
                     __UpperCAmelCase  :				int       				=		want_ver
                     if op not in ops:
                            raise ValueError(f"""{requirement}: need one of {list(ops.keys()						)}, but got {op}"""						)

    # special case
       if pkg == "python":
              __UpperCAmelCase  :				Union[str, Any]       				=		'.'.join([str(__lowercase						) for x in sys.version_info[:3]]						)
              for op, want_ver in wanted.items():
                     _compare_versions(__lowercase							,    __lowercase							,    __lowercase							,    __lowercase							,    __lowercase							,    __lowercase						)
              return

       # check if any version is installed
       try:
              __UpperCAmelCase  :				Dict       				=		importlib.metadata.version(__lowercase						)
       except importlib.metadata.PackageNotFoundError:
              raise importlib.metadata.PackageNotFoundError(
                  f"""The \'{requirement}\' distribution was not found and is required by this application. {hint}"""						)

       # check that the right version is installed if version number or a range was provided
       if want_ver is not None:
              for op, want_ver in wanted.items():
                     _compare_versions(__lowercase							,    __lowercase							,    __lowercase							,    __lowercase							,    __lowercase							,    __lowercase						)


def _lowercase	(      lowerCamelCase__						)					->       Optional[int]:





       """simple docstring"""


       __UpperCAmelCase  :				int       				=		'Try: pip install transformers -U or pip install -e \'.[dev]\' if you\'re working with git main'
       return require_version(__lowercase							,    __lowercase						)







'''simple docstring'''




from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_tf_available,
    is_torch_available,
    is_vision_available,
)


_a   :	str 							=   {"configuration_vit": ["VIT_PRETRAINED_CONFIG_ARCHIVE_MAP", "ViTConfig", "ViTOnnxConfig"]}

try:
   if not is_vision_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   _a   :	str 							=   ["ViTFeatureExtractor"]
   _a   :	Dict 							=   ["ViTImageProcessor"]

try:
   if not is_torch_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   _a   :	int 							=   [
       "VIT_PRETRAINED_MODEL_ARCHIVE_LIST",
       "ViTForImageClassification",
       "ViTForMaskedImageModeling",
       "ViTModel",
       "ViTPreTrainedModel",
   ]

try:
   if not is_tf_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   _a   :	List[str] 							=   [
       "TFViTForImageClassification",
       "TFViTModel",
       "TFViTPreTrainedModel",
   ]

try:
   if not is_flax_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   _a   :	Dict 							=   [
       "FlaxViTForImageClassification",
       "FlaxViTModel",
       "FlaxViTPreTrainedModel",
   ]

if TYPE_CHECKING:
   from .configuration_vit import VIT_PRETRAINED_CONFIG_ARCHIVE_MAP, ViTConfig, ViTOnnxConfig

   try:
      if not is_vision_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .feature_extraction_vit import ViTFeatureExtractor
      from .image_processing_vit import ViTImageProcessor

   try:
      if not is_torch_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .modeling_vit import (
          VIT_PRETRAINED_MODEL_ARCHIVE_LIST,
          ViTForImageClassification,
          ViTForMaskedImageModeling,
          ViTModel,
          ViTPreTrainedModel,
      )

   try:
      if not is_tf_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .modeling_tf_vit import TFViTForImageClassification, TFViTModel, TFViTPreTrainedModel

   try:
      if not is_flax_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .modeling_flax_vit import FlaxViTForImageClassification, FlaxViTModel, FlaxViTPreTrainedModel


else:
   import sys

   _a   :	Dict 							=   _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)






