


'''simple docstring'''

from datasets.utils.patching import _PatchedModuleObj, patch_submodule

from . import _test_patching

def _SCREAMING_SNAKE_CASE      ()       ->       Union[str, Any]:






       """simple docstring"""







       import os as original_os
       from os import path as original_path
       from os import rename as original_rename
       from os.path import dirname as original_dirname
       from os.path import join as original_join

       assert _test_patching.os is original_os
       assert _test_patching.path is original_path
       assert _test_patching.join is original_join

       assert _test_patching.renamed_os is original_os
       assert _test_patching.renamed_path is original_path
       assert _test_patching.renamed_join is original_join

       lowercase__      			= "__test_patch_submodule_mock__"
       with patch_submodule(_test_patching  , '''os.path.join'''  , _A       ):
              # Every way to access os.path.join must be patched, and the rest must stay untouched

              # check os.path.join
              assert isinstance(_test_patching.os  , _PatchedModuleObj       )
              assert isinstance(_test_patching.os.path  , _PatchedModuleObj       )
              assert _test_patching.os.path.join is mock

              # check path.join
              assert isinstance(_test_patching.path  , _PatchedModuleObj       )
              assert _test_patching.path.join is mock

              # check join
              assert _test_patching.join is mock

              # check that the other attributes are untouched
              assert _test_patching.os.rename is original_rename
              assert _test_patching.path.dirname is original_dirname
              assert _test_patching.os.path.dirname is original_dirname

              # Even renamed modules or objects must be patched

              # check renamed_os.path.join
              assert isinstance(_test_patching.renamed_os  , _PatchedModuleObj       )
              assert isinstance(_test_patching.renamed_os.path  , _PatchedModuleObj       )
              assert _test_patching.renamed_os.path.join is mock

              # check renamed_path.join
              assert isinstance(_test_patching.renamed_path  , _PatchedModuleObj       )
              assert _test_patching.renamed_path.join is mock

              # check renamed_join
              assert _test_patching.renamed_join is mock

              # check that the other attributes are untouched
              assert _test_patching.renamed_os.rename is original_rename
              assert _test_patching.renamed_path.dirname is original_dirname
              assert _test_patching.renamed_os.path.dirname is original_dirname

       # check that everthing is back to normal when the patch is over

       assert _test_patching.os is original_os
       assert _test_patching.path is original_path
       assert _test_patching.join is original_join

       assert _test_patching.renamed_os is original_os
       assert _test_patching.renamed_path is original_path
       assert _test_patching.renamed_join is original_join

def _SCREAMING_SNAKE_CASE      ()       ->       List[str]:






       """simple docstring"""







       assert _test_patching.open is open

       lowercase__      			= "__test_patch_submodule_builtin_mock__"
       # _test_patching has "open" in its globals
       assert _test_patching.open is open
       with patch_submodule(_test_patching  , '''open'''  , _A       ):
              assert _test_patching.open is mock

       # check that everthing is back to normal when the patch is over

       assert _test_patching.open is open

def _SCREAMING_SNAKE_CASE      ()       ->       Optional[Any]:






       """simple docstring"""







       lowercase__      			= "__test_patch_submodule_missing_mock__"
       with patch_submodule(_test_patching  , '''pandas.read_csv'''  , _A       ):
              pass

def _SCREAMING_SNAKE_CASE      ()       ->       Optional[Any]:






       """simple docstring"""







       lowercase__      			= "__test_patch_submodule_missing_builtin_mock__"
       # _test_patching doesn't have "len" in its globals
       assert getattr(_test_patching  , '''len'''  , _A       ) is None
       with patch_submodule(_test_patching  , '''len'''  , _A       ):
              assert _test_patching.len is mock
       assert _test_patching.len is len

def _SCREAMING_SNAKE_CASE      ()       ->       Optional[int]:






       """simple docstring"""







       lowercase__      			= "__test_patch_submodule_start_and_stop_mock__"
       lowercase__      			= patch_submodule(_test_patching  , '''open'''  , _A       )
       assert _test_patching.open is open
       patch.start()
       assert _test_patching.open is mock
       patch.stop()
       assert _test_patching.open is open

def _SCREAMING_SNAKE_CASE      ()       ->       Optional[Any]:






       """simple docstring"""







       from os import rename as original_rename
       from os.path import dirname as original_dirname
       from os.path import join as original_join

       lowercase__      			= "__test_patch_submodule_successive_join__"
       lowercase__      			= "__test_patch_submodule_successive_dirname__"
       lowercase__      			= "__test_patch_submodule_successive_rename__"
       assert _test_patching.os.path.join is original_join
       assert _test_patching.os.path.dirname is original_dirname
       assert _test_patching.os.rename is original_rename

       with patch_submodule(_test_patching  , '''os.path.join'''  , _A       ):
              with patch_submodule(_test_patching  , '''os.rename'''  , _A       ):
                     with patch_submodule(_test_patching  , '''os.path.dirname'''  , _A       ):
                            assert _test_patching.os.path.join is mock_join
                            assert _test_patching.os.path.dirname is mock_dirname
                            assert _test_patching.os.rename is mock_rename

    # try another order
       with patch_submodule(_test_patching  , '''os.rename'''  , _A       ):
              with patch_submodule(_test_patching  , '''os.path.join'''  , _A       ):
                     with patch_submodule(_test_patching  , '''os.path.dirname'''  , _A       ):
                            assert _test_patching.os.path.join is mock_join
                            assert _test_patching.os.path.dirname is mock_dirname
                            assert _test_patching.os.rename is mock_rename

       assert _test_patching.os.path.join is original_join
       assert _test_patching.os.path.dirname is original_dirname
       assert _test_patching.os.rename is original_rename

def _SCREAMING_SNAKE_CASE      ()       ->       List[str]:






       """simple docstring"""







       lowercase__      			= "__test_patch_submodule_doesnt_exist_mock__"
       with patch_submodule(_test_patching  , '''__module_that_doesn_exist__.__attribute_that_doesn_exist__'''  , _A       ):
              pass
       with patch_submodule(_test_patching  , '''os.__attribute_that_doesn_exist__'''  , _A       ):
              pass








def       lowercase_		(		_A			:    int    ,					_A			:    list						):

      """simple docstring"""




      _enforce_args(_A    ,					_A						)
      if n == 0:
            return 0
      lowerCamelCase__		:				Union[str, Any]    =  float("-inf"						)
      for i in range(1    ,					n + 1						):
            lowerCamelCase__		:				int    =  max(
                _A    ,					prices[i - 1] + naive_cut_rod_recursive(n - i    ,					_A						)						)

      return max_revue

def       lowercase_		(		_A			:    int    ,					_A			:    list						):

      """simple docstring"""




      _enforce_args(_A    ,					_A						)
      lowerCamelCase__		:				int    =  [float("-inf"						) for _ in range(n + 1						)]
      return _top_down_cut_rod_recursive(_A    ,					_A    ,					_A						)

def       lowercase_		(		_A			:    int    ,					_A			:    list    ,					_A			:    list						):

      """simple docstring"""




      if max_rev[n] >= 0:
            return max_rev[n]
      elif n == 0:
            return 0
      else:
            lowerCamelCase__		:				Dict    =  float("-inf"						)
            for i in range(1    ,					n + 1						):
                  lowerCamelCase__		:				int    =  max(
                      _A    ,					prices[i - 1] + _top_down_cut_rod_recursive(n - i    ,					_A    ,					_A						)    ,					)

            lowerCamelCase__		:				List[Any]    =  max_revenue

      return max_rev[n]

def       lowercase_		(		_A			:    int    ,					_A			:    list						):

      """simple docstring"""




      _enforce_args(_A    ,					_A						)

      # length(max_rev) = n + 1, to accommodate for the revenue obtainable from a rod of
      # length 0.
      lowerCamelCase__		:				int    =  [float("-inf"						) for _ in range(n + 1						)]
      lowerCamelCase__		:				Optional[int]    =  0

      for i in range(1    ,					n + 1						):
            lowerCamelCase__		:				Union[str, Any]    =  max_rev[i]
            for j in range(1    ,					i + 1						):
                  lowerCamelCase__		:				Any    =  max(_A    ,					prices[j - 1] + max_rev[i - j]						)

            lowerCamelCase__		:				Any    =  max_revenue_i

      return max_rev[n]

def       lowercase_		(		_A			:    int    ,					_A			:    list						):

      """simple docstring"""




      if n < 0:
            lowerCamelCase__		:				Optional[int]    =  F"n must be greater than or equal to 0. Got n = {n}"
            raise ValueError(_A						)

      if n > len(_A						):
            lowerCamelCase__		:				Optional[int]    =  (
                "Each integral piece of rod must have a corresponding price. "
                F"Got n = {n} but length of prices = {len(_A						)}"
            )
            raise ValueError(_A						)

def       lowercase_		(		):

      """simple docstring"""




      lowerCamelCase__		:				Optional[Any]    =  [6, 10, 12, 15, 20, 23]
      lowerCamelCase__		:				Dict    =  len(_A						)

      # the best revenue comes from cutting the rod into 6 pieces, each
      # of length 1 resulting in a revenue of 6 * 6 = 36.
      lowerCamelCase__		:				int    =  36

      lowerCamelCase__		:				List[Any]    =  top_down_cut_rod(_A    ,					_A						)
      lowerCamelCase__		:				List[Any]    =  bottom_up_cut_rod(_A    ,					_A						)
      lowerCamelCase__		:				List[Any]    =  naive_cut_rod_recursive(_A    ,					_A						)

      assert expected_max_revenue == max_rev_top_down
      assert max_rev_top_down == max_rev_bottom_up
      assert max_rev_bottom_up == max_rev_naive


if __name__ == "__main__":
    main()


