



"""simple docstring"""


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

from packaging import version


snake_case_    					=	{
    """<""": operator.lt,
    """<=""": operator.le,
    """==""": operator.eq,
    """!=""": operator.ne,
    """>=""": operator.ge,
    """>""": operator.gt,
}

def 			_lowerCAmelCase				(       lowercase_		,     lowercase_		,     lowercase_		,     lowercase_		,     lowercase_		,     lowercase_						):
						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 			_lowerCAmelCase				(       lowercase_		,     lowercase_ = None						):
						UpperCAmelCase					=			F"""\n{hint}""" if hint is not None else ''

						# non-versioned check
						if re.match(R'^[\w_\-\d]+$'		,     lowercase_						):
												UpperCAmelCase				,   UpperCAmelCase				,   UpperCAmelCase					=			requirement, None, None
						else:
												UpperCAmelCase					=			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				,   UpperCAmelCase					=			match[0]
												UpperCAmelCase					=			want_full.split(','						)  # there could be multiple requirements
												UpperCAmelCase					=			{}
												for w in want_range:
																		UpperCAmelCase					=			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				,   UpperCAmelCase					=			match[0]
																		UpperCAmelCase					=			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					=			'.'.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					=			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 			_lowerCAmelCase				(       lowercase_						):
						UpperCAmelCase					=			'Try: pip install transformers -U or pip install -e \'.[dev]\' if you\'re working with git main'
						return require_version(lowercase_		,     lowercase_						)










"""simple docstring"""


import tempfile

import torch

from diffusers import (
    DEISMultistepScheduler,
    DPMSolverMultistepScheduler,
    DPMSolverSinglestepScheduler,
    UniPCMultistepScheduler,
)

from .test_schedulers import SchedulerCommonTest







class 				A_      (					SCREAMING_SNAKE_CASE_    ):



						"""simple docstring"""
						__UpperCamelCase		    =							(UniPCMultistepScheduler,)
						__UpperCamelCase		    =							(("""num_inference_steps""", 25),)






						def      UpperCAmelCase__					( self			:Any       ,  **lowercase_			:Optional[Any] )    ->      Dict:
												UpperCAmelCase					=			{
												    'num_train_timesteps': 10_00,
												    'beta_start': 0.0001,
												    'beta_end': 0.02,
												    'beta_schedule': 'linear',
												    'solver_order': 2,
												    'solver_type': 'bh2',
												}

												config.update(**lowercase_ )
												return config






						def      UpperCAmelCase__					( self			:Optional[Any]       ,  lowercase_			:Optional[int]=0       ,  **lowercase_			:Optional[Any] )    ->      List[str]:
												UpperCAmelCase					=			dict(self.forward_default_kwargs )
												UpperCAmelCase					=			kwargs.pop('num_inference_steps'       ,  lowercase_ )
												UpperCAmelCase					=			self.dummy_sample
												UpperCAmelCase					=			0.1 * sample
												UpperCAmelCase					=			[residual + 0.2, residual + 0.15, residual + 0.10]

												for scheduler_class in self.scheduler_classes:
																		UpperCAmelCase					=			self.get_scheduler_config(**lowercase_ )
																		UpperCAmelCase					=			scheduler_class(**lowercase_ )
																		scheduler.set_timesteps(lowercase_ )
																		# copy over dummy past residuals
																		UpperCAmelCase					=			dummy_past_residuals[: scheduler.config.solver_order]

																		with tempfile.TemporaryDirectory() as tmpdirname:
																								scheduler.save_config(lowercase_ )
																								UpperCAmelCase					=			scheduler_class.from_pretrained(lowercase_ )
																								new_scheduler.set_timesteps(lowercase_ )
																								# copy over dummy past residuals
																								UpperCAmelCase					=			dummy_past_residuals[: new_scheduler.config.solver_order]

																		UpperCAmelCase				,   UpperCAmelCase					=			sample, sample
																		for t in range(lowercase_       ,  time_step + scheduler.config.solver_order + 1 ):
																								UpperCAmelCase					=			scheduler.step(lowercase_       ,  lowercase_       ,  lowercase_       ,  **lowercase_ ).prev_sample
																								UpperCAmelCase					=			new_scheduler.step(lowercase_       ,  lowercase_       ,  lowercase_       ,  **lowercase_ ).prev_sample

																								assert torch.sum(torch.abs(output - new_output ) ) < 1E-5, "Scheduler outputs are not identical"






						def      UpperCAmelCase__					( self			:List[Any]       ,  lowercase_			:Dict=0       ,  **lowercase_			:Optional[int] )    ->      List[str]:
												UpperCAmelCase					=			dict(self.forward_default_kwargs )
												UpperCAmelCase					=			kwargs.pop('num_inference_steps'       ,  lowercase_ )
												UpperCAmelCase					=			self.dummy_sample
												UpperCAmelCase					=			0.1 * sample
												UpperCAmelCase					=			[residual + 0.2, residual + 0.15, residual + 0.10]

												for scheduler_class in self.scheduler_classes:
																		UpperCAmelCase					=			self.get_scheduler_config()
																		UpperCAmelCase					=			scheduler_class(**lowercase_ )
																		scheduler.set_timesteps(lowercase_ )

																		# copy over dummy past residuals (must be after setting timesteps)
																		UpperCAmelCase					=			dummy_past_residuals[: scheduler.config.solver_order]

																		with tempfile.TemporaryDirectory() as tmpdirname:
																								scheduler.save_config(lowercase_ )
																								UpperCAmelCase					=			scheduler_class.from_pretrained(lowercase_ )
																								# copy over dummy past residuals
																								new_scheduler.set_timesteps(lowercase_ )

																								# copy over dummy past residual (must be after setting timesteps)
																								UpperCAmelCase					=			dummy_past_residuals[: new_scheduler.config.solver_order]

																		UpperCAmelCase					=			scheduler.step(lowercase_       ,  lowercase_       ,  lowercase_       ,  **lowercase_ ).prev_sample
																		UpperCAmelCase					=			new_scheduler.step(lowercase_       ,  lowercase_       ,  lowercase_       ,  **lowercase_ ).prev_sample

																		assert torch.sum(torch.abs(output - new_output ) ) < 1E-5, "Scheduler outputs are not identical"






						def      UpperCAmelCase__					( self			:List[Any]       ,  lowercase_			:Optional[int]=None       ,  **lowercase_			:str )    ->      Dict:
												if scheduler is None:
																		UpperCAmelCase					=			self.scheduler_classes[0]
																		UpperCAmelCase					=			self.get_scheduler_config(**lowercase_ )
																		UpperCAmelCase					=			scheduler_class(**lowercase_ )

												UpperCAmelCase					=			self.scheduler_classes[0]
												UpperCAmelCase					=			self.get_scheduler_config(**lowercase_ )
												UpperCAmelCase					=			scheduler_class(**lowercase_ )

												UpperCAmelCase					=			10
												UpperCAmelCase					=			self.dummy_model()
												UpperCAmelCase					=			self.dummy_sample_deter
												scheduler.set_timesteps(lowercase_ )

												for i, t in enumerate(scheduler.timesteps ):
																		UpperCAmelCase					=			model(lowercase_       ,  lowercase_ )
																		UpperCAmelCase					=			scheduler.step(lowercase_       ,  lowercase_       ,  lowercase_ ).prev_sample

												return sample






						def      UpperCAmelCase__					( self			:Union[str, Any] )    ->      Tuple:
												UpperCAmelCase					=			dict(self.forward_default_kwargs )

												UpperCAmelCase					=			kwargs.pop('num_inference_steps'       ,  lowercase_ )

												for scheduler_class in self.scheduler_classes:
																		UpperCAmelCase					=			self.get_scheduler_config()
																		UpperCAmelCase					=			scheduler_class(**lowercase_ )

																		UpperCAmelCase					=			self.dummy_sample
																		UpperCAmelCase					=			0.1 * sample

																		if num_inference_steps is not None and hasattr(lowercase_       ,  'set_timesteps' ):
																								scheduler.set_timesteps(lowercase_ )
																		elif num_inference_steps is not None and not hasattr(lowercase_       ,  'set_timesteps' ):
																								UpperCAmelCase					=			num_inference_steps

																		# copy over dummy past residuals (must be done after set_timesteps)
																		UpperCAmelCase					=			[residual + 0.2, residual + 0.15, residual + 0.10]
																		UpperCAmelCase					=			dummy_past_residuals[: scheduler.config.solver_order]

																		UpperCAmelCase					=			scheduler.timesteps[5]
																		UpperCAmelCase					=			scheduler.timesteps[6]

																		UpperCAmelCase					=			scheduler.step(lowercase_       ,  lowercase_       ,  lowercase_       ,  **lowercase_ ).prev_sample
																		UpperCAmelCase					=			scheduler.step(lowercase_       ,  lowercase_       ,  lowercase_       ,  **lowercase_ ).prev_sample

																		self.assertEqual(output_a.shape       ,  sample.shape )
																		self.assertEqual(output_a.shape       ,  output_a.shape )






						def      UpperCAmelCase__					( self			:Optional[int] )    ->      Optional[Any]:
												# make sure that iterating over schedulers with same config names gives same results
												# for defaults
												UpperCAmelCase					=			UniPCMultistepScheduler(**self.get_scheduler_config() )
												UpperCAmelCase					=			self.full_loop(scheduler=lowercase_ )
												UpperCAmelCase					=			torch.mean(torch.abs(lowercase_ ) )

												assert abs(result_mean.item() - 0.2464 ) < 1E-3

												UpperCAmelCase					=			DPMSolverSinglestepScheduler.from_config(scheduler.config )
												UpperCAmelCase					=			DEISMultistepScheduler.from_config(scheduler.config )
												UpperCAmelCase					=			DPMSolverMultistepScheduler.from_config(scheduler.config )
												UpperCAmelCase					=			UniPCMultistepScheduler.from_config(scheduler.config )

												UpperCAmelCase					=			self.full_loop(scheduler=lowercase_ )
												UpperCAmelCase					=			torch.mean(torch.abs(lowercase_ ) )

												assert abs(result_mean.item() - 0.2464 ) < 1E-3






						def      UpperCAmelCase__					( self			:Optional[int] )    ->      List[str]:
												for timesteps in [25, 50, 1_00, 9_99, 10_00]:
																		self.check_over_configs(num_train_timesteps=lowercase_ )






						def      UpperCAmelCase__					( self			:int )    ->      str:
												self.check_over_configs(thresholding=lowercase_ )
												for order in [1, 2, 3]:
																		for solver_type in ["bh1", "bh2"]:
																								for threshold in [0.5, 1.0, 2.0]:
																														for prediction_type in ["epsilon", "sample"]:
																																				self.check_over_configs(
																																				    thresholding=lowercase_       ,  prediction_type=lowercase_       ,  sample_max_value=lowercase_       ,  solver_order=lowercase_       ,  solver_type=lowercase_       ,  )






						def      UpperCAmelCase__					( self			:Any )    ->      str:
												for prediction_type in ["epsilon", "v_prediction"]:
																		self.check_over_configs(prediction_type=lowercase_ )






						def      UpperCAmelCase__					( self			:str )    ->      Optional[Any]:
												for solver_type in ["bh1", "bh2"]:
																		for order in [1, 2, 3]:
																								for prediction_type in ["epsilon", "sample"]:
																														self.check_over_configs(
																														    solver_order=lowercase_       ,  solver_type=lowercase_       ,  prediction_type=lowercase_       ,  )
																														UpperCAmelCase					=			self.full_loop(
																														    solver_order=lowercase_       ,  solver_type=lowercase_       ,  prediction_type=lowercase_       ,  )
																														assert not torch.isnan(lowercase_ ).any(), "Samples have nan numbers"






						def      UpperCAmelCase__					( self			:Dict )    ->      List[Any]:
												self.check_over_configs(lower_order_final=lowercase_ )
												self.check_over_configs(lower_order_final=lowercase_ )






						def      UpperCAmelCase__					( self			:Any )    ->      List[Any]:
												for num_inference_steps in [1, 2, 3, 5, 10, 50, 1_00, 9_99, 10_00]:
																		self.check_over_forward(num_inference_steps=lowercase_       ,  time_step=0 )






						def      UpperCAmelCase__					( self			:int )    ->      Union[str, Any]:
												UpperCAmelCase					=			self.full_loop()
												UpperCAmelCase					=			torch.mean(torch.abs(lowercase_ ) )

												assert abs(result_mean.item() - 0.2464 ) < 1E-3






						def      UpperCAmelCase__					( self			:Optional[int] )    ->      str:
												UpperCAmelCase					=			self.full_loop(prediction_type='v_prediction' )
												UpperCAmelCase					=			torch.mean(torch.abs(lowercase_ ) )

												assert abs(result_mean.item() - 0.1014 ) < 1E-3






						def      UpperCAmelCase__					( self			:Tuple )    ->      Tuple:
												UpperCAmelCase					=			self.scheduler_classes[0]
												UpperCAmelCase					=			self.get_scheduler_config(thresholding=lowercase_       ,  dynamic_thresholding_ratio=0 )
												UpperCAmelCase					=			scheduler_class(**lowercase_ )

												UpperCAmelCase					=			10
												UpperCAmelCase					=			self.dummy_model()
												UpperCAmelCase					=			self.dummy_sample_deter.half()
												scheduler.set_timesteps(lowercase_ )

												for i, t in enumerate(scheduler.timesteps ):
																		UpperCAmelCase					=			model(lowercase_       ,  lowercase_ )
																		UpperCAmelCase					=			scheduler.step(lowercase_       ,  lowercase_       ,  lowercase_ ).prev_sample

												assert sample.dtype == torch.floataa






						def      UpperCAmelCase__					( self			:List[Any]       ,  **lowercase_			:Optional[Any] )    ->      Dict:
												for scheduler_class in self.scheduler_classes:
																		UpperCAmelCase					=			self.get_scheduler_config(**lowercase_ )
																		UpperCAmelCase					=			scheduler_class(**lowercase_ )

																		scheduler.set_timesteps(scheduler.config.num_train_timesteps )
																		assert len(scheduler.timesteps.unique() ) == scheduler.num_inference_steps





