




"""simple docstring"""

import os
import re
import shutil
import sys
import tempfile
import unittest

import black


__lowerCamelCase										=    os.path.abspath(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
sys.path.append(os.path.join(git_repo_path, "utils"))

import check_copies  # noqa: E402


# This is the reference code that will be used in the tests.
# If DDPMSchedulerOutput is changed in scheduling_ddpm.py, this code needs to be manually updated.
__lowerCamelCase										=    "    \"\"\"\n    Output class for the scheduler\'s step function output.\n\n    Args:\n        prev_sample (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)` for images):\n            Computed sample (x_{t-1}) of previous timestep. `prev_sample` should be used as next model input in the\n            denoising loop.\n        pred_original_sample (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)` for images):\n            The predicted denoised sample (x_{0}) based on the model output from the current timestep.\n            `pred_original_sample` can be used to preview progress or for guidance.\n    \"\"\"\n\n    prev_sample: torch.FloatTensor\n    pred_original_sample: Optional[torch.FloatTensor] = None\n"



class 			_snake_case					(				unittest.TestCase							):

				'''simple docstring'''




				def 					snake_case_			(				self   :	List[Any]  ):
								UpperCAmelCase_       :Any         =   tempfile.mkdtemp()
								os.makedirs(os.path.join(self.diffusers_dir       ,				'''schedulers/'''  )  )
								UpperCAmelCase_       :Optional[int]         =   self.diffusers_dir
								shutil.copy(
								    os.path.join(__A       ,				'''src/diffusers/schedulers/scheduling_ddpm.py'''  )       ,				os.path.join(self.diffusers_dir       ,				'''schedulers/scheduling_ddpm.py'''  )       ,				)





				def 					snake_case_			(				self   :	str  ):
								UpperCAmelCase_       :Optional[int]         =   '''src/diffusers'''
								shutil.rmtree(self.diffusers_dir  )





				def 					snake_case_			(				self   :	List[Any]       ,				snake_case   :	Optional[int]       ,				snake_case   :	List[str]       ,				snake_case   :	Dict       ,				snake_case   :	int=None  ):
								UpperCAmelCase_       :Dict         =   comment + f'\nclass {class_name}(nn.Module):\n' + class_code
								if overwrite_result is not None:
												UpperCAmelCase_       :Dict         =   comment + f'\nclass {class_name}(nn.Module):\n' + overwrite_result
								UpperCAmelCase_       :List[str]         =   black.Mode(target_versions={black.TargetVersion.PYaa}       ,				line_length=119  )
								UpperCAmelCase_       :Optional[int]         =   black.format_str(__A       ,				mode=__A  )
								UpperCAmelCase_       :List[Any]         =   os.path.join(self.diffusers_dir       ,				'''new_code.py'''  )
								with open(__A       ,				'''w'''       ,				newline='''\n'''  ) as f:
												f.write(__A  )
								if overwrite_result is None:
												self.assertTrue(len(check_copies.is_copy_consistent(__A  )  ) == 0  )
								else:
												check_copies.is_copy_consistent(f.name       ,				overwrite=__A  )
												with open(__A       ,				'''r'''  ) as f:
																self.assertTrue(f.read()       ,				__A  )





				def 					snake_case_			(				self   :	List[Any]  ):
								UpperCAmelCase_       :List[Any]         =   check_copies.find_code_in_diffusers('''schedulers.scheduling_ddpm.DDPMSchedulerOutput'''  )
								self.assertEqual(__A       ,				__A  )





				def 					snake_case_			(				self   :	List[str]  ):
								self.check_copy_consistency(
								    '''# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput'''       ,				'''DDPMSchedulerOutput'''       ,				REFERENCE_CODE + '''\n'''       ,				)

								# With no empty line at the end
								self.check_copy_consistency(
								    '''# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput'''       ,				'''DDPMSchedulerOutput'''       ,				__A       ,				)

								# Copy consistency with rename
								self.check_copy_consistency(
								    '''# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->Test'''       ,				'''TestSchedulerOutput'''       ,				re.sub('''DDPM'''       ,				'''Test'''       ,				__A  )       ,				)

								# Copy consistency with a really long name
								UpperCAmelCase_       :int         =   '''TestClassWithAReallyLongNameBecauseSomePeopleLikeThatForSomeReason'''
								self.check_copy_consistency(
								    f'# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->{long_class_name}'       ,				f'{long_class_name}SchedulerOutput'       ,				re.sub('''Bert'''       ,				__A       ,				__A  )       ,				)

								# Copy consistency with overwrite
								self.check_copy_consistency(
								    '''# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->Test'''       ,				'''TestSchedulerOutput'''       ,				__A       ,				overwrite_result=re.sub('''DDPM'''       ,				'''Test'''       ,				__A  )       ,				)









def 					SCREAMING_SNAKE_CASE__				(							UpperCamelCase__:				List[str]     ):
		SCREAMING_SNAKE_CASE__								=   len(UpperCamelCase__     )
		SCREAMING_SNAKE_CASE__								=   sum(UpperCamelCase__     )

		SCREAMING_SNAKE_CASE__								=   [[False for x in range(s + 1     )] for y in range(n + 1     )]

		for i in range(1       , n + 1     ):
				SCREAMING_SNAKE_CASE__								=   True

		for i in range(1       , s + 1     ):
				SCREAMING_SNAKE_CASE__								=   False

		for i in range(1       , n + 1     ):
				for j in range(1       , s + 1     ):
						SCREAMING_SNAKE_CASE__								=   dp[i][j - 1]

						if arr[i - 1] <= j:
								SCREAMING_SNAKE_CASE__								=   dp[i][j] or dp[i - 1][j - arr[i - 1]]

		for j in range(int(s / 2     )       , -1       , -1     ):
				if dp[n][j] is True:
						SCREAMING_SNAKE_CASE__								=   s - 2 * j
						break

		return diff