


'''simple docstring'''



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

import black


__lowercase     :						List[Any]	=     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.
__lowercase     :						List[str]	=     '    \"""\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 							__UpperCamelCase    (		unittest.TestCase ):




	def 				__UpperCAmelCase							(       self							):

						'''simple docstring'''





						__a      :	int    =  tempfile.mkdtemp()
						os.makedirs(os.path.join(self.diffusers_dir						,    'schedulers/'							)							)
						__a      :	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 				__UpperCAmelCase							(       self							):

						'''simple docstring'''





						__a      :	Optional[int]    =  'src/diffusers'
						shutil.rmtree(self.diffusers_dir							)




	def 				__UpperCAmelCase							(       self						,    __a						,    __a						,    __a						,    __a=None							):

						'''simple docstring'''





						__a      :	List[Any]    =  comment + f"""\nclass {class_name}(nn.Module):\n""" + class_code
						if overwrite_result is not None:
											__a      :	Tuple    =  comment + f"""\nclass {class_name}(nn.Module):\n""" + overwrite_result
						__a      :	List[str]    =  black.Mode(target_versions={black.TargetVersion.PYaa}						,    line_length=119							)
						__a      :	Tuple    =  black.format_str(__a						,    mode=__a							)
						__a      :	int    =  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 				__UpperCAmelCase							(       self							):

						'''simple docstring'''





						__a      :	str    =  check_copies.find_code_in_diffusers('schedulers.scheduling_ddpm.DDPMSchedulerOutput'							)
						self.assertEqual(__a						,    __a							)





	def 				__UpperCAmelCase							(       self							):

						'''simple docstring'''





						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
						__a      :	str    =  '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							)						,    )







'''simple docstring'''



import re

from filelock import FileLock


try:
	import nltk

	__lowercase     :						Optional[Any]	=     True
except (ImportError, ModuleNotFoundError):
	__lowercase     :						Dict	=     False

if NLTK_AVAILABLE:
	with FileLock('.lock') as lock:
		nltk.download('punkt', quiet=True)






def   lowerCamelCase							(_SCREAMING_SNAKE_CASE				:       str       ):
					re.sub('<n>'						,				''						,				_SCREAMING_SNAKE_CASE       )  # remove pegasus newline char
					assert NLTK_AVAILABLE, "nltk must be installed to separate newlines between sentences. (pip install nltk)"
					return "\n".join(nltk.sent_tokenize(_SCREAMING_SNAKE_CASE       )       )



