code: 
  
  
  import logging
  from pathlib import Path
  from typing import Any, List, Tuple
  
  import yaml
  
  
  # loading package files: https://stackoverflow.com/a/20885799
  try:
  		import importlib.resources as pkg_resources
  except ImportError:
  		# Try backported to PY<37 `importlib_resources`.
  		import importlib_resources as pkg_resources
  
  from . import resources
  
  
  lowercase_								=    'https://github.com/huggingface/datasets/tree/main/src/datasets/utils'
  lowercase_								=    f"""{BASE_REF_URL}/{__file__}"""
  lowercase_								=    logging.getLogger(__name__)
  
  
  def 							SCREAMING_SNAKE_CASE					(  _UpperCAmelCase				)    ->  Tuple[Any, str]:
  						_a     =			pkg_resources.read_text(_UpperCAmelCase							,     _UpperCAmelCase				)
  						return yaml.safe_load(_UpperCAmelCase				), f"""{BASE_REF_URL}/resources/{resource}"""
  
  
  lowercase_		,      lowercase_								=    load_yaml_resource('readme_structure.yaml')
  
  lowercase_								=    [
      '[Needs More Information]',
      '[More Information Needed]',
      '(https://github.com/huggingface/datasets/blob/main/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)',
  ]
  
  # Dictionary representation of section/readme, error_list, warning_list
  lowercase_								=    Tuple[dict, List[str], List[str]]
  
  
  
  
  class 					_UpperCamelCase :
  
  
  
  
  
  
  
  							'''simple docstring'''
  
  
  
  
  
  
  
  							def __init__(		self  :				Optional[Any]		,				SCREAMING_SNAKE_CASE_  :				str		,				SCREAMING_SNAKE_CASE_  :				str		,				SCREAMING_SNAKE_CASE_  :				List[str] = None		,				SCREAMING_SNAKE_CASE_  :				bool = False		):
  													_a     =			name
  													_a     =			level
  													_a     =			lines
  													_a     =			''
  													_a     =			True
  													_a     =			{}
  													_a     =			[]
  													_a     =			[]
  													if self.lines is not None:
  																			self.parse(suppress_parsing_errors=SCREAMING_SNAKE_CASE_		)
  
  
  
  
  
  
  
  							def 		_UpperCAmelCase	(		self  :				Optional[Any]		,				SCREAMING_SNAKE_CASE_  :				bool = False		):
  													_a     =			''
  													_a     =			[]
  													_a     =			False
  													for line in self.lines:
  																			if line.strip(' \n'		) == "":
  																									continue
  																			elif line.strip(' \n'		)[:3] == "```":
  																									_a     =			not code_start
  																			elif line.split()[0] == self.level + "#" and not code_start:
  																									if current_sub_level != "":
  																															_a     =			Section(SCREAMING_SNAKE_CASE_		,				self.level + '#'		,				SCREAMING_SNAKE_CASE_		)
  																															_a     =			[]
  																									else:
  																															if current_lines != []:
  																																					self.text += "".join(SCREAMING_SNAKE_CASE_		).strip()
  																																					if self.text != "" and self.text not in FILLER_TEXT:
  																																											_a     =			False
  																																					_a     =			[]
  
  																									_a     =			' '.join(line.split()[1:]		).strip(' \n'		)
  																			else:
  																									current_lines.append(SCREAMING_SNAKE_CASE_		)
  													else:
  																			if current_sub_level != "":
  																									if current_sub_level in self.content:
  																															self.parsing_error_list.append(
  																															    f"""Multiple sections with the same heading `{current_sub_level}` have been found. Please keep only one of these sections."""		)
  																									_a     =			Section(SCREAMING_SNAKE_CASE_		,				self.level + '#'		,				SCREAMING_SNAKE_CASE_		)
  																			else:
  																									if current_lines != []:
  																															self.text += "".join(SCREAMING_SNAKE_CASE_		).strip()
  																															if self.text != "" and self.text not in FILLER_TEXT:
  																																					_a     =			False
  
  													if self.level == "" and not suppress_parsing_errors:
  																			if self.parsing_error_list != [] or self.parsing_warning_list != []:
  																									_a     =			_a     =			'\n'.join('-\t' + x for x in self.parsing_error_list + self.parsing_warning_list		)
  																									_a     =			f"""The following issues were found while parsing the README at `{self.name}`:\n""" + errors
  																									raise ValueError(SCREAMING_SNAKE_CASE_		)
  
  
  
  
  
  
  
  							def 		_UpperCAmelCase	(		self  :				Dict		,				SCREAMING_SNAKE_CASE_  :				dict		):
  													_a     =			[]
  													_a     =			[]
  													if structure["allow_empty"] is False:
  																			# If content is expected
  																			if self.is_empty_text and self.content == {}:
  																									# If no content is found, mention it in the error_list
  																									error_list.append(f"""Expected some content in section `{self.name}` but it is empty."""		)
  
  													if structure["allow_empty_text"] is False:
  																			# If some text is expected
  																			if self.is_empty_text:
  																									# If no text is found, mention it in the error_list
  																									error_list.append(
  																									    f"""Expected some text in section `{self.name}` but it is empty (text in subsections are ignored)."""		)
          # Subsections Validation
  													if structure["subsections"] is not None:
  																			# If subsections are expected
  																			if self.content == {}:
  																									# If no subsections are present
  																									_a     =			[subsection['name'] for subsection in structure['subsections']]
  																									# Mention the expected values in the error_list
  																									error_list.append(
  																									    f"""Section `{self.name}` expected the following subsections: {', '.join(['`'+x+'`' for x in values]		)}. Found 'None'."""		)
  																			else:
  																									# If some subsections are present
  																									_a     =			[subsection['name'] for subsection in structure['subsections']]
  																									_a     =			False
  																									for idx, name in enumerate(SCREAMING_SNAKE_CASE_		):
  																															if name not in self.content:
  																																					# If the expected subsection is not present
  																																					error_list.append(f"""Section `{self.name}` is missing subsection: `{name}`."""		)
  																																					_a     =			True
  																															else:
  																																					# If the subsection is present, validate subsection, return the result
  																																					# and concat the errors from subsection to section error_list
  
  																																					# Skip sublevel validation if current level is `###`
  																																					if self.level == "###":
  																																											continue
  																																					else:
  																																											_a ,	_a ,	_a     =			self.content[name].validate(
  																																											    structure['subsections'][idx]		)
  																																					error_list += subsec_error_list
  																																					warning_list += subsec_warning_list
  
  																									if has_missing_subsections:  # we only allow to have extra subsections if all the other ones are here
  																															for name in self.content:
  																																					if name not in structure_names:
  																																											# If an extra subsection is present
  																																											warning_list.append(
  																																											    f"""`{self.name}` has an extra subsection: `{name}`. Skipping further validation checks for this subsection as expected structure is unknown."""		)
  													if error_list:
  																			# If there are errors, do not return the dictionary as it is invalid
  																			return {}, error_list, warning_list
  													else:
  																			return self.to_dict(), error_list, warning_list
  
  
  
  
  
  
  
  							def 		_UpperCAmelCase	(		self  :				Optional[Any]		):
  													return {
  													    "name": self.name,
  													    "text": self.text,
  													    "is_empty_text": self.is_empty_text,
  													    "subsections": [value.to_dict() for value in self.content.values()],
  													}
  
  
  
  
  class 					_UpperCamelCase (      lowerCamelCase__	):  # Level 0
  
  
  
  
  
  
  
  							'''simple docstring'''
  
  
  
  
  
  
  
  							def __init__(		self  :				Optional[int]		,				SCREAMING_SNAKE_CASE_  :				str		,				SCREAMING_SNAKE_CASE_  :				List[str]		,				SCREAMING_SNAKE_CASE_  :				dict = None		,				SCREAMING_SNAKE_CASE_  :				bool = False		):
  													super().__init__(name=SCREAMING_SNAKE_CASE_		,				level=''		)  # Not using lines here as we need to use a child class parse
  													_a     =			structure
  													_a     =			-2
  													_a     =			0
  													_a     =			lines
  													if self.lines is not None:
  																			self.parse(suppress_parsing_errors=SCREAMING_SNAKE_CASE_		)
  
  
  
  
  
  
  
  							def 		_UpperCAmelCase	(		self  :				Tuple		):
  													if self.structure is None:
  																			_a ,	_a ,	_a     =			self._validate(SCREAMING_SNAKE_CASE_		)
  													else:
  																			_a ,	_a ,	_a     =			self._validate(self.structure		)
  													if error_list != [] or warning_list != []:
  																			_a     =			'\n'.join(['-\t' + x for x in error_list + warning_list]		)
  																			_a     =			f"""The following issues were found for the README at `{self.name}`:\n""" + errors
  																			raise ValueError(SCREAMING_SNAKE_CASE_		)
  
  
  
  
  
  
  
  							@classmethod
  							def 		_UpperCAmelCase	(		cls  :				Optional[int]		,				SCREAMING_SNAKE_CASE_  :				Path		,				SCREAMING_SNAKE_CASE_  :				dict = None		,				SCREAMING_SNAKE_CASE_  :				bool = False		):
  													with open(SCREAMING_SNAKE_CASE_		,				encoding='utf-8'		) as f:
  																			_a     =			f.readlines()
  													return cls(SCREAMING_SNAKE_CASE_		,				SCREAMING_SNAKE_CASE_		,				SCREAMING_SNAKE_CASE_		,				suppress_parsing_errors=SCREAMING_SNAKE_CASE_		)
  
  
  
  
  
  
  
  							@classmethod
  							def 		_UpperCAmelCase	(		cls  :				Any		,				SCREAMING_SNAKE_CASE_  :				str		,				SCREAMING_SNAKE_CASE_  :				dict = None		,				SCREAMING_SNAKE_CASE_  :				str = "root"		,				SCREAMING_SNAKE_CASE_  :				bool = False		):
  													_a     =			string.split('\n'		)
  													return cls(SCREAMING_SNAKE_CASE_		,				SCREAMING_SNAKE_CASE_		,				SCREAMING_SNAKE_CASE_		,				suppress_parsing_errors=SCREAMING_SNAKE_CASE_		)
  
  
  
  
  
  
  
  							def 		_UpperCAmelCase	(		self  :				int		,				SCREAMING_SNAKE_CASE_  :				bool = False		):
  													# Skip Tags
  													_a     =			0
  
  													for line in self.lines:
  																			self.yaml_tags_line_count += 1
  																			if line.strip(' \n'		) == "---":
  																									self.tag_count += 1
  																									if self.tag_count == 2:
  																															break
  																			line_count += 1
  													if self.tag_count == 2:
  																			_a     =			self.lines[line_count + 1 :]  # Get the last + 1 th item.
  													else:
  																			_a     =			self.lines[self.tag_count :]
  													super().parse(suppress_parsing_errors=SCREAMING_SNAKE_CASE_		)
  
  
  
  
  
  
  
  							def __str__(		self  :				Optional[Any]		):
  													return str(self.to_dict()		)
  
  
  
  
  
  
  
  							def 		_UpperCAmelCase	(		self  :				int		,				SCREAMING_SNAKE_CASE_  :				Optional[Any]		):
  													_a     =			[]
  													_a     =			[]
  													if self.yaml_tags_line_count == 0:
  																			warning_list.append('Empty YAML markers are present in the README.'		)
  													elif self.tag_count == 0:
  																			warning_list.append('No YAML markers are present in the README.'		)
  													elif self.tag_count == 1:
  																			warning_list.append('Only the start of YAML tags present in the README.'		)
  													# Check how many first level sections are present.
  													_a     =			len(self.content.keys()		)
  													if num_first_level_keys > 1:
  																			# If more than one, add to the error list, continue
  																			error_list.append(
  																			    f"""The README has several first-level headings: {', '.join(['`'+x+'`' for x in list(self.content.keys()		)]		)}. Only one heading is expected. Skipping further validation for this README."""		)
  													elif num_first_level_keys < 1:
  																			# If less than one, append error.
  																			error_list.append(
  																			    'The README has no first-level headings. One heading is expected. Skipping further validation for this README.'		)
  
  													else:
  																			# If one exactly
  																			_a     =			list(self.content.keys()		)[0]  # Get the key
  																			if start_key.startswith('Dataset Card for'		):  # Check correct start
  																									# If the starting is correct, validate all the sections
  																									_a ,	_a ,	_a     =			self.content[start_key].validate(
  																									    readme_structure['subsections'][0]		)
  																									error_list += sec_error_list
  																									warning_list += sec_warning_list
  																			else:
  																									# If not found, append error
  																									error_list.append(
  																									    'No first-level heading starting with `Dataset Card for` found in README. Skipping further validation for this README.'		)
  													if error_list:
  																			# If there are errors, do not return the dictionary as it is invalid
  																			return {}, error_list, warning_list
  													else:
  																			return self.to_dict(), error_list, warning_list
  
  
  if __name__ == "__main__":
  		from argparse import ArgumentParser
  
  		lowercase_								=    ArgumentParser(usage='Validate the content (excluding YAML tags) of a README.md file.')
  		ap.add_argument('readme_filepath')
  		lowercase_								=    ap.parse_args()
  		lowercase_								=    Path(args.readme_filepath)
  		lowercase_								=    ReadMe.from_readme(readme_filepath)
  
  
  
style_context: 
  
  
  from .chunk_utils import chunk_layer
  from .data_transforms import make_atomaa_masks
  from .feats import atomaa_to_atomaa, frames_and_literature_positions_to_atomaa_pos, torsion_angles_to_frames
  from .loss import compute_predicted_aligned_error, compute_tm
  from .protein import Protein as OFProtein
  from .protein import to_pdb
  from .rigid_utils import Rigid, Rotation
  from .tensor_utils import dict_multimap, flatten_final_dims, permute_final_dims
  
  
  