


"""simple docstring"""




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

import black


__magic_name__						: int    =				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.
__magic_name__						: Optional[int]    =				'    \"""\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  ):




							def   __a   (     self:    Optional[int]   ):
										__lowerCamelCase          =      tempfile.mkdtemp()
										os.makedirs(os.path.join(self.diffusers_dir     ,							"""schedulers/"""   )   )
										__lowerCamelCase          =      self.diffusers_dir
										shutil.copy(
										    os.path.join(SCREAMING_SNAKE_CASE_     ,							"""src/diffusers/schedulers/scheduling_ddpm.py"""   )     ,							os.path.join(self.diffusers_dir     ,							"""schedulers/scheduling_ddpm.py"""   )     ,							)




							def   __a   (     self:    List[Any]   ):
										__lowerCamelCase          =      """src/diffusers"""
										shutil.rmtree(self.diffusers_dir   )




							def   __a   (     self:    Union[str, Any]     ,							A_:    Union[str, Any]     ,							A_:    Optional[Any]     ,							A_:    Optional[int]     ,							A_:    List[str]=None   ):
										__lowerCamelCase          =      comment + f'\nclass {class_name}(nn.Module):\n' + class_code
										if overwrite_result is not None:
													__lowerCamelCase          =      comment + f'\nclass {class_name}(nn.Module):\n' + overwrite_result
										__lowerCamelCase          =      black.Mode(target_versions={black.TargetVersion.PYaa}     ,							line_length=1_19   )
										__lowerCamelCase          =      black.format_str(SCREAMING_SNAKE_CASE_     ,							mode=SCREAMING_SNAKE_CASE_   )
										__lowerCamelCase          =      os.path.join(self.diffusers_dir     ,							"""new_code.py"""   )
										with open(SCREAMING_SNAKE_CASE_     ,							"""w"""     ,							newline="""\n"""   ) as f:
													f.write(SCREAMING_SNAKE_CASE_   )
										if overwrite_result is None:
													self.assertTrue(len(check_copies.is_copy_consistent(SCREAMING_SNAKE_CASE_   )   ) == 0   )
										else:
													check_copies.is_copy_consistent(f.name     ,							overwrite=SCREAMING_SNAKE_CASE_   )
													with open(SCREAMING_SNAKE_CASE_     ,							"""r"""   ) as f:
																self.assertTrue(f.read()     ,							SCREAMING_SNAKE_CASE_   )




							def   __a   (     self:    Tuple   ):
										__lowerCamelCase          =      check_copies.find_code_in_diffusers("""schedulers.scheduling_ddpm.DDPMSchedulerOutput"""   )
										self.assertEqual(SCREAMING_SNAKE_CASE_     ,							SCREAMING_SNAKE_CASE_   )




							def   __a   (     self:    List[Any]   ):
										# Base copy consistency
										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"""     ,							SCREAMING_SNAKE_CASE_     ,							)

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

										# Copy consistency with a really long name
										__lowerCamelCase          =      """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"""     ,							SCREAMING_SNAKE_CASE_     ,							SCREAMING_SNAKE_CASE_   )     ,							)

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






__a         =   'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'




def 							a		(				snake_case__:   bytes   ):


				'''simple docstring'''
				# Make sure the supplied data is a bytes-like object
				if not isinstance(snake_case__		,  snake_case__   ):
								lowercase_	    =   F'''a bytes-like object is required, not \'{data.__class__.__name__}\''''
								raise TypeError(snake_case__   )

				lowercase_	    =   ''''''.join(bin(snake_case__   )[2:].zfill(8   ) for byte in data   )

				lowercase_	    =   len(snake_case__   ) % 6 != 0

				if padding_needed:
								# The padding that will be added later
								lowercase_	    =   B'''=''' * ((6 - len(snake_case__   ) % 6) // 2)

								# Append binary_stream with arbitrary binary digits (0's by default) to make its
								# length a multiple of 6.
								binary_stream += "0" * (6 - len(snake_case__   ) % 6)
				else:
								lowercase_	    =   B''''''

				# Encode every 6 binary digits to their corresponding Base64 character
				return (
				    "".join(
				        B64_CHARSET[int(binary_stream[index : index + 6]		,  2   )]
				        for index in range(0		,  len(snake_case__   )		,  6   )   ).encode()
				    + padding
				)




def 							a		(				snake_case__:   str   ):


				'''simple docstring'''
				# Make sure encoded_data is either a string or a bytes-like object
				if not isinstance(snake_case__		,  snake_case__   ) and not isinstance(snake_case__		,  snake_case__   ):
								lowercase_	    =   (
								    '''argument should be a bytes-like object or ASCII string, '''
								    F'''not \'{encoded_data.__class__.__name__}\''''
								)
								raise TypeError(snake_case__   )

				# In case encoded_data is a bytes-like object, make sure it contains only
				# ASCII characters so we convert it to a string object
				if isinstance(snake_case__		,  snake_case__   ):
								try:
												lowercase_	    =   encoded_data.decode('''utf-8'''   )
								except UnicodeDecodeError:
												raise ValueError('''base64 encoded data should only contain ASCII characters'''   )

				lowercase_	    =   encoded_data.count('''='''   )

				# Check if the encoded string contains non base64 characters
				if padding:
								assert all(
								    char in B64_CHARSET for char in encoded_data[:-padding]   ), "Invalid base64 character(s) found."
				else:
								assert all(
								    char in B64_CHARSET for char in encoded_data   ), "Invalid base64 character(s) found."

				# Check the padding
				assert len(snake_case__   ) % 4 == 0 and padding < 3, "Incorrect padding"

				if padding:
								# Remove padding if there is one
								lowercase_	    =   encoded_data[:-padding]

								lowercase_	    =   ''''''.join(
								    bin(B64_CHARSET.index(snake_case__   )   )[2:].zfill(6   ) for char in encoded_data   )[: -padding * 2]
				else:
								lowercase_	    =   ''''''.join(
								    bin(B64_CHARSET.index(snake_case__   )   )[2:].zfill(6   ) for char in encoded_data   )

				lowercase_	    =   [
				    int(binary_stream[index : index + 8]		,  2   )
				    for index in range(0		,  len(snake_case__   )		,  8   )
				]

				return bytes(snake_case__   )


if __name__ == "__main__":
						import doctest

						doctest.testmod()




