






"""simple docstring"""



import importlib
import inspect
import json
import os
import re
import shutil
import sys
from pathlib import Path
from typing import Dict, Optional, Union
from urllib import request

from huggingface_hub import HfFolder, cached_download, hf_hub_download, model_info
from packaging import version

from .. import __version__
from . import DIFFUSERS_DYNAMIC_MODULE_NAME, HF_MODULES_CACHE, logging


A_    =							(
    '''https://raw.githubusercontent.com/huggingface/diffusers/{revision}/examples/community/{pipeline}.py'''
)


A_    =							logging.get_logger(__name__)  # pylint: disable=invalid-name




def      _lowerCAmelCase		(							)		->Tuple:
						A__						:  str		  =  """https://pypi.org/pypi/diffusers/json"""
						A__						:  str		  =  json.loads(request.urlopen(UpperCAmelCase__      ).read()      )["""releases"""].keys()
						return sorted(UpperCAmelCase__,						key=lambda UpperCAmelCase__      : version.Version(UpperCAmelCase__      )      )




def      _lowerCAmelCase		(							)		->List[str]:
						# This function has already been executed if HF_MODULES_CACHE already is in the Python path.
						if HF_MODULES_CACHE in sys.path:
												return

						sys.path.append(UpperCAmelCase__      )
						os.makedirs(UpperCAmelCase__,						exist_ok=UpperCAmelCase__      )
						A__						:  List[str]		  =  Path(UpperCAmelCase__      ) / """__init__.py"""
						if not init_path.exists():
												init_path.touch()




def      _lowerCAmelCase		(							UpperCAmelCase__       :					Union[str, os.PathLike]      )		->List[Any]:
						init_hf_modules()
						A__						:  Optional[Any]		  =  Path(UpperCAmelCase__      ) / name
						# If the parent module does not exist yet, recursively create it.
						if not dynamic_module_path.parent.exists():
												create_dynamic_module(dynamic_module_path.parent      )
						os.makedirs(UpperCAmelCase__,						exist_ok=UpperCAmelCase__      )
						A__						:  List[str]		  =  dynamic_module_path / """__init__.py"""
						if not init_path.exists():
												init_path.touch()




def      _lowerCAmelCase		(							UpperCAmelCase__       :					int      )		->Union[str, Any]:
						with open(UpperCAmelCase__,						"""r""",						encoding="""utf-8"""      ) as f:
												A__						:  List[str]		  =  f.read()

						# Imports of the form `import .xxx`
						A__						:  Union[str, Any]		  =  re.findall("""^\s*import\s+\.(\S+)\s*$""",						UpperCAmelCase__,						flags=re.MULTILINE      )
						# Imports of the form `from .xxx import yyy`
						relative_imports += re.findall("""^\s*from\s+\.(\S+)\s+import""",						UpperCAmelCase__,						flags=re.MULTILINE      )
						# Unique-ify
						return list(set(UpperCAmelCase__      )      )




def      _lowerCAmelCase		(							UpperCAmelCase__       :					int      )		->Union[str, Any]:
						A__						:  Dict		  =  False
						A__						:  Dict		  =  [module_file]
						A__						:  int		  =  []

						# Let's recurse through all relative imports
						while not no_change:
												A__						:  Tuple		  =  []
												for f in files_to_check:
																		new_imports.extend(get_relative_imports(UpperCAmelCase__      )      )

												A__						:  Optional[Any]		  =  Path(UpperCAmelCase__      ).parent
												A__						:  Optional[int]		  =  [str(module_path / m      ) for m in new_imports]
												A__						:  Optional[Any]		  =  [f for f in new_import_files if f not in all_relative_imports]
												A__						:  Optional[Any]		  =  [f'{f}.py' for f in new_import_files]

												A__						:  Any		  =  len(UpperCAmelCase__      ) == 0
												all_relative_imports.extend(UpperCAmelCase__      )

						return all_relative_imports




def      _lowerCAmelCase		(							UpperCAmelCase__       :					Tuple      )		->Union[str, Any]:
						with open(UpperCAmelCase__,						"""r""",						encoding="""utf-8"""      ) as f:
												A__						:  Any		  =  f.read()

						# Imports of the form `import xxx`
						A__						:  Optional[int]		  =  re.findall("""^\s*import\s+(\S+)\s*$""",						UpperCAmelCase__,						flags=re.MULTILINE      )
						# Imports of the form `from xxx import yyy`
						imports += re.findall("""^\s*from\s+(\S+)\s+import""",						UpperCAmelCase__,						flags=re.MULTILINE      )
						# Only keep the top-level module
						A__						:  Union[str, Any]		  =  [imp.split("""."""      )[0] for imp in imports if not imp.startswith("""."""      )]

						# Unique-ify and test we got them all
						A__						:  List[str]		  =  list(set(UpperCAmelCase__      )      )
						A__						:  Optional[Any]		  =  []
						for imp in imports:
												try:
																		importlib.import_module(UpperCAmelCase__      )
												except ImportError:
																		missing_packages.append(UpperCAmelCase__      )

						if len(UpperCAmelCase__      ) > 0:
												raise ImportError(
												    """This modeling file requires the following packages that were not found in your environment: """
												    f'{", ".join(UpperCAmelCase__      )}. Run `pip install {" ".join(UpperCAmelCase__      )}`'      )

						return get_relative_imports(UpperCAmelCase__      )




def      _lowerCAmelCase		(							UpperCAmelCase__       :					Optional[int],						UpperCAmelCase__       :					Tuple      )		->Dict:
						A__						:  Dict		  =  module_path.replace(os.path.sep,						"""."""      )
						A__						:  str		  =  importlib.import_module(UpperCAmelCase__      )

						if class_name is None:
												return find_pipeline_class(UpperCAmelCase__      )
						return getattr(UpperCAmelCase__,						UpperCAmelCase__      )




def      _lowerCAmelCase		(							UpperCAmelCase__       :					List[str]      )		->Dict:
						from ..pipelines import DiffusionPipeline

						A__						:  Dict		  =  dict(inspect.getmembers(UpperCAmelCase__,						inspect.isclass      )      )

						A__						:  Dict		  =  None
						for cls_name, cls in cls_members.items():
												if (
												    cls_name != DiffusionPipeline.__name__
												    and issubclass(cls,						UpperCAmelCase__      )
												    and cls.__module__.split("""."""      )[0] != "diffusers"
												):
																		if pipeline_class is not None:
																								raise ValueError(
																								    f'Multiple classes that inherit from {DiffusionPipeline.__name__} have been found:'
																								    f' {pipeline_class.__name__}, and {cls_name}. Please make sure to define only one in'
																								    f' {loaded_module}.'      )
																		A__						:  Any		  =  cls

						return pipeline_class




def      _lowerCAmelCase		(							UpperCAmelCase__       :					Union[str, os.PathLike],						UpperCAmelCase__       :					str,						UpperCAmelCase__       :					Optional[Union[str, os.PathLike]] = None,						UpperCAmelCase__       :					bool = False,						UpperCAmelCase__       :					bool = False,						UpperCAmelCase__       :					Optional[Dict[str, str]] = None,						UpperCAmelCase__       :					Optional[Union[bool, str]] = None,						UpperCAmelCase__       :					Optional[str] = None,						UpperCAmelCase__       :					bool = False,						)		->Tuple:
						A__						:  str		  =  str(UpperCAmelCase__      )

						A__						:  int		  =  os.path.join(UpperCAmelCase__,						UpperCAmelCase__      )

						if os.path.isfile(UpperCAmelCase__      ):
												A__						:  List[str]		  =  module_file_or_url
												A__						:  Optional[Any]		  =  """local"""
						elif pretrained_model_name_or_path.count("""/"""      ) == 0:
												A__						:  Union[str, Any]		  =  get_diffusers_versions()
												# cut ".dev0"
												A__						:  int		  =  """v""" + """.""".join(__version__.split("""."""      )[:3]      )

												# retrieve github version that matches
												if revision is None:
																		A__						:  Any		  =  latest_version if latest_version[1:] in available_versions else """main"""
																		logger.info(f'Defaulting to latest_version: {revision}.'      )
												elif revision in available_versions:
																		A__						:  int		  =  f'v{revision}'
												elif revision == "main":
																		A__						:  List[Any]		  =  revision
												else:
																		raise ValueError(
																		    f'`custom_revision`: {revision} does not exist. Please make sure to choose one of'
																		    f' {", ".join(available_versions + ["main"]      )}.'      )

												# community pipeline on GitHub
												A__						:  Union[str, Any]		  =  COMMUNITY_PIPELINES_URL.format(revision=UpperCAmelCase__,						pipeline=UpperCAmelCase__      )
												try:
																		A__						:  int		  =  cached_download(
																		    UpperCAmelCase__,						cache_dir=UpperCAmelCase__,						force_download=UpperCAmelCase__,						proxies=UpperCAmelCase__,						resume_download=UpperCAmelCase__,						local_files_only=UpperCAmelCase__,						use_auth_token=UpperCAmelCase__,						)
																		A__						:  Dict		  =  """git"""
																		A__						:  List[str]		  =  pretrained_model_name_or_path + """.py"""
												except EnvironmentError:
																		logger.error(f'Could not locate the {module_file} inside {pretrained_model_name_or_path}.'      )
																		raise
						else:
												try:
																		# Load from URL or cache if already cached
																		A__						:  str		  =  hf_hub_download(
																		    UpperCAmelCase__,						UpperCAmelCase__,						cache_dir=UpperCAmelCase__,						force_download=UpperCAmelCase__,						proxies=UpperCAmelCase__,						resume_download=UpperCAmelCase__,						local_files_only=UpperCAmelCase__,						use_auth_token=UpperCAmelCase__,						)
																		A__						:  str		  =  os.path.join("""local""",						"""--""".join(pretrained_model_name_or_path.split("""/"""      )      )      )
												except EnvironmentError:
																		logger.error(f'Could not locate the {module_file} inside {pretrained_model_name_or_path}.'      )
																		raise

    # Check we have all the requirements in our environment
						A__						:  List[Any]		  =  check_imports(UpperCAmelCase__      )

						# Now we move the module inside our cached dynamic modules.
						A__						:  Any		  =  DIFFUSERS_DYNAMIC_MODULE_NAME + os.path.sep + submodule
						create_dynamic_module(UpperCAmelCase__      )
						A__						:  List[Any]		  =  Path(UpperCAmelCase__      ) / full_submodule
						if submodule == "local" or submodule == "git":
												# We always copy local files (we could hash the file to see if there was a change, and give them the name of
												# that hash, to only copy when there is a modification but it seems overkill for now).
												# The only reason we do the copy is to avoid putting too many folders in sys.path.
												shutil.copy(UpperCAmelCase__,						submodule_path / module_file      )
												for module_needed in modules_needed:
																		A__						:  List[Any]		  =  f'{module_needed}.py'
																		shutil.copy(os.path.join(UpperCAmelCase__,						UpperCAmelCase__      ),						submodule_path / module_needed      )
						else:
												# Get the commit hash
												# TODO: we will get this info in the etag soon, so retrieve it from there and not here.
												if isinstance(UpperCAmelCase__,						UpperCAmelCase__      ):
																		A__						:  str		  =  use_auth_token
												elif use_auth_token is True:
																		A__						:  int		  =  HfFolder.get_token()
												else:
																		A__						:  List[Any]		  =  None

												A__						:  str		  =  model_info(UpperCAmelCase__,						revision=UpperCAmelCase__,						token=UpperCAmelCase__      ).sha

												# The module file will end up being placed in a subfolder with the git hash of the repo. This way we get the
												# benefit of versioning.
												A__						:  Optional[Any]		  =  submodule_path / commit_hash
												A__						:  Optional[int]		  =  full_submodule + os.path.sep + commit_hash
												create_dynamic_module(UpperCAmelCase__      )

												if not (submodule_path / module_file).exists():
																		shutil.copy(UpperCAmelCase__,						submodule_path / module_file      )
												# Make sure we also have every file with relative
												for module_needed in modules_needed:
																		if not (submodule_path / module_needed).exists():
																								get_cached_module_file(
																								    UpperCAmelCase__,						f'{module_needed}.py',						cache_dir=UpperCAmelCase__,						force_download=UpperCAmelCase__,						resume_download=UpperCAmelCase__,						proxies=UpperCAmelCase__,						use_auth_token=UpperCAmelCase__,						revision=UpperCAmelCase__,						local_files_only=UpperCAmelCase__,						)
						return os.path.join(UpperCAmelCase__,						UpperCAmelCase__      )




def      _lowerCAmelCase		(							UpperCAmelCase__       :					Union[str, os.PathLike],						UpperCAmelCase__       :					str,						UpperCAmelCase__       :					Optional[str] = None,						UpperCAmelCase__       :					Optional[Union[str, os.PathLike]] = None,						UpperCAmelCase__       :					bool = False,						UpperCAmelCase__       :					bool = False,						UpperCAmelCase__       :					Optional[Dict[str, str]] = None,						UpperCAmelCase__       :					Optional[Union[bool, str]] = None,						UpperCAmelCase__       :					Optional[str] = None,						UpperCAmelCase__       :					bool = False,						**UpperCAmelCase__       :					int,						)		->List[Any]:
						A__						:  Any		  =  get_cached_module_file(
						    UpperCAmelCase__,						UpperCAmelCase__,						cache_dir=UpperCAmelCase__,						force_download=UpperCAmelCase__,						resume_download=UpperCAmelCase__,						proxies=UpperCAmelCase__,						use_auth_token=UpperCAmelCase__,						revision=UpperCAmelCase__,						local_files_only=UpperCAmelCase__,						)
						return get_class_in_module(UpperCAmelCase__,						final_module.replace(""".py""",						""""""      )      )














"""simple docstring"""



def      _lowerCAmelCase		(							UpperCAmelCase__       :					str,						UpperCAmelCase__       :					List[Any]      )		->List[Any]:
						A__						:  Union[str, Any]		  =  [1]
						for i in range(2,						UpperCAmelCase__      ):
												factorials.append(factorials[-1] * i      )
						assert 0 <= k < factorials[-1] * n, "k out of bounds"

						A__						:  Optional[int]		  =  []
						A__						:  List[str]		  =  list(range(UpperCAmelCase__      )      )

						# Find permutation
						while factorials:
												A__						:  Optional[int]		  =  factorials.pop()
												A__  ,  A__						:  Optional[int]		  =  divmod(UpperCAmelCase__,						UpperCAmelCase__      )
												permutation.append(elements[number]      )
												elements.remove(elements[number]      )
						permutation.append(elements[0]      )

						return permutation


if __name__ == "__main__":
						import doctest

						doctest.testmod()






