


import bza
import gzip
import lzma
import os
import shutil
import struct
import tarfile
import warnings
import zipfile
from abc import ABC, abstractmethod
from pathlib import Path
from typing import Dict, List, Optional, Type, Union

from .. import config
from .filelock import FileLock
from .logging import get_logger


__lowerCAmelCase		       =							get_logger(__name__)





class   __a			:
 def __init__(   self				, lowerCAmelCase__ = None )					->				List[str]:




        '''simple docstring'''
        lowercase__:   List[Any]  			=   (
            os.path.join(lowerCAmelCase__				, config.EXTRACTED_DATASETS_DIR ) if cache_dir else config.EXTRACTED_DATASETS_PATH
        )
        lowercase__:   str  			=   Extractor
 def 		SCREAMING_SNAKE_CASE__   (   self				, lowerCAmelCase__ )					->				str:




        '''simple docstring'''
        from .file_utils import hash_url_to_filename

        # Path where we extract compressed archives
        # We extract in the cache dir, and get the extracted path name by hashing the original path"
        lowercase__:   str  			=   os.path.abspath(lowerCAmelCase__ )
        return os.path.join(self.extract_dir				, hash_url_to_filename(lowerCAmelCase__ ) )
 def 		SCREAMING_SNAKE_CASE__   (   self				, lowerCAmelCase__				, lowerCAmelCase__ )					->				bool:




        '''simple docstring'''
        return force_extract or (
            not os.path.isfile(lowerCAmelCase__ ) and not (os.path.isdir(lowerCAmelCase__ ) and os.listdir(lowerCAmelCase__ ))
        )
 def 		SCREAMING_SNAKE_CASE__   (   self				, lowerCAmelCase__				, lowerCAmelCase__ = False )					->				str:




        '''simple docstring'''
        lowercase__:   Tuple  			=   self.extractor.infer_extractor_format(lowerCAmelCase__ )
        if not extractor_format:
               return input_path
        lowercase__:   Optional[Any]  			=   self._get_output_path(lowerCAmelCase__ )
        if self._do_extract(lowerCAmelCase__				, lowerCAmelCase__ ):
               self.extractor.extract(lowerCAmelCase__				, lowerCAmelCase__				, lowerCAmelCase__ )
        return output_path





class   __a			(    __UpperCamelCase      ):
 @classmethod
 @abstractmethod
 def 		SCREAMING_SNAKE_CASE__   (   cls				, lowerCAmelCase__				, **lowerCAmelCase__ )					->				bool:




        '''simple docstring'''
        ...
 @staticmethod
 @abstractmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        ...





class   __a			(    __UpperCamelCase       ,       __UpperCamelCase      ):
 __lowercase :							List[bytes]        = []
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				Optional[int]:




        '''simple docstring'''
        with open(lowerCAmelCase__				, 'rb' ) as f:
               return f.read(lowerCAmelCase__ )
 @classmethod
 def 		SCREAMING_SNAKE_CASE__   (   cls				, lowerCAmelCase__				, lowerCAmelCase__ = b"" )					->				bool:




        '''simple docstring'''
        if not magic_number:
               lowercase__:   Dict  			=   max(len(lowerCAmelCase__ ) for cls_magic_number in cls.magic_numbers )
               try:
                      lowercase__:   List[Any]  			=   cls.read_magic_number(lowerCAmelCase__				, lowerCAmelCase__ )
               except OSError:
                      return False
        return any(magic_number.startswith(lowerCAmelCase__ ) for cls_magic_number in cls.magic_numbers )





class   __a			(    __UpperCamelCase      ):
 @classmethod
 def 		SCREAMING_SNAKE_CASE__   (   cls				, lowerCAmelCase__				, **lowerCAmelCase__ )					->				bool:




        '''simple docstring'''
        return tarfile.is_tarfile(lowerCAmelCase__ )
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				str:




        '''simple docstring'''

        def resolved(lowerCAmelCase__ ) -> str:
               return os.path.realpath(os.path.abspath(lowerCAmelCase__ ) )

        def badpath(lowerCAmelCase__				, lowerCAmelCase__ ) -> bool:
               # joinpath will ignore base if path is absolute
               return not resolved(os.path.join(lowerCAmelCase__				, lowerCAmelCase__ ) ).startswith(lowerCAmelCase__ )

        def badlink(lowerCAmelCase__				, lowerCAmelCase__ ) -> bool:
               # Links are interpreted relative to the directory containing the link
               lowercase__:   Union[str, Any]  			=   resolved(os.path.join(lowerCAmelCase__				, os.path.dirname(info.name ) ) )
               return badpath(info.linkname				, base=lowerCAmelCase__ )

        lowercase__:   Tuple  			=   resolved(lowerCAmelCase__ )

        for finfo in members:
               if badpath(finfo.name				, lowerCAmelCase__ ):
                      logger.error(F'Extraction of {finfo.name} is blocked (illegal path)' )
               elif finfo.issym() and badlink(lowerCAmelCase__				, lowerCAmelCase__ ):
                      logger.error(F'Extraction of {finfo.name} is blocked: Symlink to {finfo.linkname}' )
               elif finfo.islnk() and badlink(lowerCAmelCase__				, lowerCAmelCase__ ):
                      logger.error(F'Extraction of {finfo.name} is blocked: Hard link to {finfo.linkname}' )
               else:
                      yield finfo
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        os.makedirs(lowerCAmelCase__				, exist_ok=lowerCAmelCase__ )
        lowercase__:   str  			=   tarfile.open(lowerCAmelCase__ )
        tar_file.extractall(lowerCAmelCase__				, members=TarExtractor.safemembers(lowerCAmelCase__				, lowerCAmelCase__ ) )
        tar_file.close()





class   __a			(    __UpperCamelCase      ):
 __lowercase :							Optional[Any]        = [b'\x1F\x8B']
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        with gzip.open(lowerCAmelCase__				, 'rb' ) as gzip_file:
               with open(lowerCAmelCase__				, 'wb' ) as extracted_file:
                      shutil.copyfileobj(lowerCAmelCase__				, lowerCAmelCase__ )





class   __a			(    __UpperCamelCase      ):
 __lowercase :							str        = [
     b'PK\x03\x04',
     b'PK\x05\x06',  # empty archive
     b'PK\x07\x08',  # spanned archive
 ]
 @classmethod
 def 		SCREAMING_SNAKE_CASE__   (   cls				, lowerCAmelCase__				, lowerCAmelCase__ = b"" )					->				bool:




        '''simple docstring'''
        if super().is_extractable(lowerCAmelCase__				, magic_number=lowerCAmelCase__ ):
               return True
        try:
               # Alternative version of zipfile.is_zipfile that has less false positives, but misses executable zip archives.
               # From: https://github.com/python/cpython/pull/5053
               from zipfile import (
                   _CD_SIGNATURE,
                   _ECD_DISK_NUMBER,
                   _ECD_DISK_START,
                   _ECD_ENTRIES_TOTAL,
                   _ECD_OFFSET,
                   _ECD_SIZE,
                   _EndRecData,
                   sizeCentralDir,
                   stringCentralDir,
                   structCentralDir,
               )

               with open(lowerCAmelCase__				, 'rb' ) as fp:
                      lowercase__:   List[Any]  			=   _EndRecData(lowerCAmelCase__ )
                      if endrec:
                             if endrec[_ECD_ENTRIES_TOTAL] == 0 and endrec[_ECD_SIZE] == 0 and endrec[_ECD_OFFSET] == 0:
                                    return True  # Empty zipfiles are still zipfiles
                             elif endrec[_ECD_DISK_NUMBER] == endrec[_ECD_DISK_START]:
                                    fp.seek(endrec[_ECD_OFFSET] )  # Central directory is on the same disk
                                    if fp.tell() == endrec[_ECD_OFFSET] and endrec[_ECD_SIZE] >= sizeCentralDir:
                                           lowercase__:   List[Any]  			=   fp.read(lowerCAmelCase__ )  # CD is where we expect it to be
                                           if len(lowerCAmelCase__ ) == sizeCentralDir:
                                                  lowercase__:   List[Any]  			=   struct.unpack(lowerCAmelCase__				, lowerCAmelCase__ )  # CD is the right size
                                                  if centdir[_CD_SIGNATURE] == stringCentralDir:
                                                         return True  # First central directory entry  has correct magic number
               return False
        except Exception:  # catch all errors in case future python versions change the zipfile internals
               return False
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        os.makedirs(lowerCAmelCase__				, exist_ok=lowerCAmelCase__ )
        with zipfile.ZipFile(lowerCAmelCase__				, 'r' ) as zip_file:
               zip_file.extractall(lowerCAmelCase__ )
               zip_file.close()





class   __a			(    __UpperCamelCase      ):
 __lowercase :							Dict        = [b'\xFD\x37\x7A\x58\x5A\x00']
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        with lzma.open(lowerCAmelCase__ ) as compressed_file:
               with open(lowerCAmelCase__				, 'wb' ) as extracted_file:
                      shutil.copyfileobj(lowerCAmelCase__				, lowerCAmelCase__ )





class   __a			(    __UpperCamelCase      ):
 __lowercase :							Optional[Any]        = [b'Rar!\x1a\x07\x00', b'Rar!\x1a\x07\x01\x00']  # RAR_ID  # RAR5_ID
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        if not config.RARFILE_AVAILABLE:
               raise ImportError('Please pip install rarfile' )
        import rarfile

        os.makedirs(lowerCAmelCase__				, exist_ok=lowerCAmelCase__ )
        lowercase__:   str  			=   rarfile.RarFile(lowerCAmelCase__ )
        rf.extractall(lowerCAmelCase__ )
        rf.close()





class   __a			(    __UpperCamelCase      ):
 __lowercase :							Dict        = [b'\x28\xb5\x2F\xFD']
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        if not config.ZSTANDARD_AVAILABLE:
               raise ImportError('Please pip install zstandard' )
        import zstandard as zstd

        lowercase__:   Optional[Any]  			=   zstd.ZstdDecompressor()
        with open(lowerCAmelCase__				, 'rb' ) as ifh, open(lowerCAmelCase__				, 'wb' ) as ofh:
               dctx.copy_stream(lowerCAmelCase__				, lowerCAmelCase__ )





class   __a			(    __UpperCamelCase      ):
 __lowercase :							Optional[int]        = [b'\x42\x5A\x68']
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        with bza.open(lowerCAmelCase__				, 'rb' ) as compressed_file:
               with open(lowerCAmelCase__				, 'wb' ) as extracted_file:
                      shutil.copyfileobj(lowerCAmelCase__				, lowerCAmelCase__ )





class   __a			(    __UpperCamelCase      ):
 __lowercase :							Optional[Any]        = [b'\x37\x7A\xBC\xAF\x27\x1C']
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        if not config.PY7ZR_AVAILABLE:
               raise ImportError('Please pip install py7zr' )
        import pyazr

        os.makedirs(lowerCAmelCase__				, exist_ok=lowerCAmelCase__ )
        with pyazr.SevenZipFile(lowerCAmelCase__				, 'r' ) as archive:
               archive.extractall(lowerCAmelCase__ )





class   __a			(    __UpperCamelCase      ):
 __lowercase :							int        = [b'\x04\x22\x4D\x18']
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				None:




        '''simple docstring'''
        if not config.LZ4_AVAILABLE:
               raise ImportError('Please pip install lz4' )
        import lza.frame

        with lza.frame.open(lowerCAmelCase__				, 'rb' ) as compressed_file:
               with open(lowerCAmelCase__				, 'wb' ) as extracted_file:
                      shutil.copyfileobj(lowerCAmelCase__				, lowerCAmelCase__ )





class   __a			:
 #  Put zip file to the last, b/c it is possible wrongly detected as zip (I guess it means: as tar or gzip)
 __lowercase :							Dict[str, Type[BaseExtractor]]        = {
     "tar": TarExtractor,
     "gzip": GzipExtractor,
     "zip": ZipExtractor,
     "xz": XzExtractor,
     "rar": RarExtractor,
     "zstd": ZstdExtractor,
     "bz2": BzipaExtractor,
     "7z": SevenZipExtractor,  # <Added version="2.4.0"/>
     "lz4": LzaExtractor,  # <Added version="2.4.0"/>
 }
 @classmethod
 def 		SCREAMING_SNAKE_CASE__   (   cls )					->				List[str]:




        '''simple docstring'''
        return max(
            len(lowerCAmelCase__ )
            for extractor in cls.extractors.values()
            if issubclass(lowerCAmelCase__				, lowerCAmelCase__ )
            for extractor_magic_number in extractor.magic_numbers )
 @staticmethod
 def 		SCREAMING_SNAKE_CASE__   (   lowerCAmelCase__				, lowerCAmelCase__ )					->				Union[str, Any]:




        '''simple docstring'''
        try:
               return MagicNumberBaseExtractor.read_magic_number(lowerCAmelCase__				, magic_number_length=lowerCAmelCase__ )
        except OSError:
               return b""
 @classmethod
 def 		SCREAMING_SNAKE_CASE__   (   cls				, lowerCAmelCase__				, lowerCAmelCase__ = False )					->				bool:




        '''simple docstring'''
        warnings.warn(
            'Method \'is_extractable\' was deprecated in version 2.4.0 and will be removed in 3.0.0. '
            'Use \'infer_extractor_format\' instead.'				, category=lowerCAmelCase__				, )
        lowercase__:   Dict  			=   cls.infer_extractor_format(lowerCAmelCase__ )
        if extractor_format:
               return True if not return_extractor else (True, cls.extractors[extractor_format])
        return False if not return_extractor else (False, None)
 @classmethod
 def 		SCREAMING_SNAKE_CASE__   (   cls				, lowerCAmelCase__ )					->				str:  # <Added version="2.4.0"/>




        '''simple docstring'''
        lowercase__:   Union[str, Any]  			=   cls._get_magic_number_max_length()
        lowercase__:   List[str]  			=   cls._read_magic_number(lowerCAmelCase__				, lowerCAmelCase__ )
        for extractor_format, extractor in cls.extractors.items():
               if extractor.is_extractable(lowerCAmelCase__				, magic_number=lowerCAmelCase__ ):
                      return extractor_format
 @classmethod
 def 		SCREAMING_SNAKE_CASE__   (   cls				, lowerCAmelCase__				, lowerCAmelCase__				, lowerCAmelCase__ = None				, lowerCAmelCase__ = "deprecated"				, )					->				None:




        '''simple docstring'''
        os.makedirs(os.path.dirname(lowerCAmelCase__ )				, exist_ok=lowerCAmelCase__ )
        # Prevent parallel extractions
        lowercase__:   int  			=   str(Path(lowerCAmelCase__ ).with_suffix('.lock' ) )
        with FileLock(lowerCAmelCase__ ):
               shutil.rmtree(lowerCAmelCase__				, ignore_errors=lowerCAmelCase__ )
               if extractor_format or extractor != "deprecated":
                      if extractor != "deprecated" or not isinstance(lowerCAmelCase__				, lowerCAmelCase__ ):  # passed as positional arg
                             warnings.warn(
                                 'Parameter \'extractor\' was deprecated in version 2.4.0 and will be removed in 3.0.0. '
                                 'Use \'extractor_format\' instead.'				, category=lowerCAmelCase__				, )
                             lowercase__:   int  			=   extractor if extractor != 'deprecated' else extractor_format
                      else:
                             lowercase__:   Optional[Any]  			=   cls.extractors[extractor_format]
                      return extractor.extract(lowerCAmelCase__				, lowerCAmelCase__ )
               else:
                      warnings.warn(
                          'Parameter \'extractor_format\' was made required in version 2.4.0 and not passing it will raise an '
                          'exception in 3.0.0.'				, category=lowerCAmelCase__				, )
                      for extractor in cls.extractors.values():
                             if extractor.is_extractable(lowerCAmelCase__ ):
                                    return extractor.extract(lowerCAmelCase__				, lowerCAmelCase__ )






__lowerCAmelCase		       =							{
    '''A''': ['''B''', '''C''', '''E'''],
    '''B''': ['''A''', '''D''', '''E'''],
    '''C''': ['''A''', '''F''', '''G'''],
    '''D''': ['''B'''],
    '''E''': ['''A''', '''B''', '''D'''],
    '''F''': ['''C'''],
    '''G''': ['''C'''],
}




def    snake_case_     (  snake_case			,							snake_case			,							snake_case     )  ->				list[str]:
       lowercase__:   int  			=   set()
       # keep track of all the paths to be checked
       lowercase__:   Optional[int]  			=   [[start]]

       # return path if start is goal
       if start == goal:
              return [start]

       # keeps looping until all possible paths have been checked
       while queue:
              # pop the first path from the queue
              lowercase__:   List[Any]  			=   queue.pop(0     )
              # get the last node from the path
              lowercase__:   Optional[int]  			=   path[-1]
              if node not in explored:
                     lowercase__:   Optional[Any]  			=   graph[node]
                     # go through all neighbour nodes, construct a new path and
                     # push it into the queue
                     for neighbour in neighbours:
                            lowercase__:   Tuple  			=   list(snake_case     )
                            new_path.append(snake_case     )
                            queue.append(snake_case     )
                            # return path if neighbour is goal
                            if neighbour == goal:
                                   return new_path

            # mark node as explored
                     explored.add(snake_case     )

    # in case there's no path between the 2 nodes
       return []




def    snake_case_     (  snake_case			,							snake_case			,							snake_case     )  ->				int:
       if not graph or start not in graph or target not in graph:
              return -1
       if start == target:
              return 0
       lowercase__:   Tuple  			=   [start]
       lowercase__:   List[Any]  			=   set(snake_case     )
       # Keep tab on distances from `start` node.
       lowercase__:   Tuple  			=   {start: 0, target: -1}
       while queue:
              lowercase__:   Dict  			=   queue.pop(0     )
              if node == target:
                     lowercase__:   str  			=   (
                         dist[node] if dist[target] == -1 else min(dist[target]			,							dist[node]     )
                     )
              for adjacent in graph[node]:
                     if adjacent not in visited:
                            visited.add(snake_case     )
                            queue.append(snake_case     )
                            lowercase__:   List[str]  			=   dist[node] + 1
       return dist[target]


if __name__ == "__main__":
 print(bfs_shortest_path(demo_graph, '''G''', '''D'''))  # returns ['G', 'C', 'A', 'B', 'D']
 print(bfs_shortest_path_distance(demo_graph, '''G''', '''D'''))  # returns 4


