





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


_lowercase		:  Tuple			       =get_logger(__name__)






class 						UpperCamelCase_  :



					def __init__(		self     :     List[str]       ,      lowerCamelCase     :     Optional[str] = None						):
							lowerCamelCase_	:     int 						=      (
							    os.path.join(lowerCamelCase       ,      config.EXTRACTED_DATASETS_DIR						) if cache_dir else config.EXTRACTED_DATASETS_PATH
							)
							lowerCamelCase_	:     Optional[int] 						=      Extractor



					def   __a     (		self     :     Tuple       ,      lowerCamelCase     :     str						):
							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"
							lowerCamelCase_	:     Optional[Any] 						=      os.path.abspath(lowerCamelCase						)
							return os.path.join(self.extract_dir       ,      hash_url_to_filename(lowerCamelCase						)						)



					def   __a     (		self     :     Tuple       ,      lowerCamelCase     :     str       ,      lowerCamelCase     :     bool						):
							return force_extract or (
							    not os.path.isfile(lowerCamelCase						) and not (os.path.isdir(lowerCamelCase						) and os.listdir(lowerCamelCase						))
							)





					def   __a     (		self     :     int       ,      lowerCamelCase     :     str       ,      lowerCamelCase     :     bool = False						):
							lowerCamelCase_	:     int 						=      self.extractor.infer_extractor_format(lowerCamelCase						)
							if not extractor_format:
									return input_path
							lowerCamelCase_	:     Tuple 						=      self._get_output_path(lowerCamelCase						)
							if self._do_extract(lowerCamelCase       ,      lowerCamelCase						):
									self.extractor.extract(lowerCamelCase       ,      lowerCamelCase       ,      lowerCamelCase						)
							return output_path






class 						UpperCamelCase_  (  snake_case__							):



					@classmethod
					@abstractmethod
					def   __a     (		cls     :     Optional[Any]       ,      lowerCamelCase     :     Union[Path, str]       ,      **lowerCamelCase     :     str						):
							...





					@staticmethod
					@abstractmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							...






class 						UpperCamelCase_  (  snake_case__  ,     snake_case__							):
					_a      :						List[bytes]						    =					[]



					@staticmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     int						):
							with open(lowerCamelCase       ,      'rb'						) as f:
									return f.read(lowerCamelCase						)





					@classmethod
					def   __a     (		cls     :     str       ,      lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     bytes = b""						):
							if not magic_number:
									lowerCamelCase_	:     int 						=      max(len(lowerCamelCase						) for cls_magic_number in cls.magic_numbers						)
									try:
											lowerCamelCase_	:     List[str] 						=      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 						UpperCamelCase_  (  snake_case__							):



					@classmethod
					def   __a     (		cls     :     Optional[int]       ,      lowerCamelCase     :     Union[Path, str]       ,      **lowerCamelCase     :     Any						):
							return tarfile.is_tarfile(lowerCamelCase						)



					@staticmethod
					def   __a     (		lowerCamelCase     :     Tuple       ,      lowerCamelCase     :     Optional[int]						):

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

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

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

							lowerCamelCase_	:     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   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							os.makedirs(lowerCamelCase       ,      exist_ok=lowerCamelCase						)
							lowerCamelCase_	:     str 						=      tarfile.open(lowerCamelCase						)
							tar_file.extractall(lowerCamelCase       ,      members=TarExtractor.safemembers(lowerCamelCase       ,      lowerCamelCase						)						)
							tar_file.close()






class 						UpperCamelCase_  (  snake_case__							):
					_a      :						Dict						    =					[b'\x1F\x8B']



					@staticmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							with gzip.open(lowerCamelCase       ,      'rb'						) as gzip_file:
									with open(lowerCamelCase       ,      'wb'						) as extracted_file:
											shutil.copyfileobj(lowerCamelCase       ,      lowerCamelCase						)






class 						UpperCamelCase_  (  snake_case__							):
					_a      :						Union[str, Any]						    =					[
					    b'PK\x03\x04',
					    b'PK\x05\x06',  # empty archive
					    b'PK\x07\x08',  # spanned archive
					]



					@classmethod
					def   __a     (		cls     :     Any       ,      lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     bytes = b""						):
							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:
											lowerCamelCase_	:     str 						=      _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:
																	lowerCamelCase_	:     Optional[Any] 						=      fp.read(lowerCamelCase						)  # CD is where we expect it to be
																	if len(lowerCamelCase						) == sizeCentralDir:
																			lowerCamelCase_	:     Dict 						=      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   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							os.makedirs(lowerCamelCase       ,      exist_ok=lowerCamelCase						)
							with zipfile.ZipFile(lowerCamelCase       ,      'r'						) as zip_file:
									zip_file.extractall(lowerCamelCase						)
									zip_file.close()






class 						UpperCamelCase_  (  snake_case__							):
					_a      :						Optional[int]						    =					[b'\xFD\x37\x7A\x58\x5A\x00']



					@staticmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							with lzma.open(lowerCamelCase						) as compressed_file:
									with open(lowerCamelCase       ,      'wb'						) as extracted_file:
											shutil.copyfileobj(lowerCamelCase       ,      lowerCamelCase						)






class 						UpperCamelCase_  (  snake_case__							):
					_a      :						Dict						    =					[b'Rar!\x1a\x07\x00', b'Rar!\x1a\x07\x01\x00']  # RAR_ID  # RAR5_ID



					@staticmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							if not config.RARFILE_AVAILABLE:
									raise ImportError('Please pip install rarfile'						)
							import rarfile

							os.makedirs(lowerCamelCase       ,      exist_ok=lowerCamelCase						)
							lowerCamelCase_	:     Union[str, Any] 						=      rarfile.RarFile(lowerCamelCase						)
							rf.extractall(lowerCamelCase						)
							rf.close()






class 						UpperCamelCase_  (  snake_case__							):
					_a      :						Optional[int]						    =					[b'\x28\xb5\x2F\xFD']



					@staticmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							if not config.ZSTANDARD_AVAILABLE:
									raise ImportError('Please pip install zstandard'						)
							import zstandard as zstd

							lowerCamelCase_	:     str 						=      zstd.ZstdDecompressor()
							with open(lowerCamelCase       ,      'rb'						) as ifh, open(lowerCamelCase       ,      'wb'						) as ofh:
									dctx.copy_stream(lowerCamelCase       ,      lowerCamelCase						)






class 						UpperCamelCase_  (  snake_case__							):
					_a      :						Union[str, Any]						    =					[b'\x42\x5A\x68']



					@staticmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							with bza.open(lowerCamelCase       ,      'rb'						) as compressed_file:
									with open(lowerCamelCase       ,      'wb'						) as extracted_file:
											shutil.copyfileobj(lowerCamelCase       ,      lowerCamelCase						)






class 						UpperCamelCase_  (  snake_case__							):
					_a      :						Union[str, Any]						    =					[b'\x37\x7A\xBC\xAF\x27\x1C']



					@staticmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							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 						UpperCamelCase_  (  snake_case__							):
					_a      :						Optional[Any]						    =					[b'\x04\x22\x4D\x18']



					@staticmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]						):
							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 						UpperCamelCase_  :
					#  Put zip file to the last, b/c it is possible wrongly detected as zip (I guess it means: as tar or gzip)
					_a      :						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   __a     (		cls     :     List[Any]						):
							return max(
							    len(lowerCamelCase						)
							    for extractor in cls.extractors.values()
							    if issubclass(lowerCamelCase       ,      lowerCamelCase						)
							    for extractor_magic_number in extractor.magic_numbers						)



					@staticmethod
					def   __a     (		lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     int						):
							try:
									return MagicNumberBaseExtractor.read_magic_number(lowerCamelCase       ,      magic_number_length=lowerCamelCase						)
							except OSError:
									return b""



					@classmethod
					def   __a     (		cls     :     Tuple       ,      lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     bool = False						):
							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       ,      )
							lowerCamelCase_	:     str 						=      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   __a     (		cls     :     Optional[Any]       ,      lowerCamelCase     :     Union[Path, str]						):  # <Added version="2.4.0"/>
							lowerCamelCase_	:     Optional[int] 						=      cls._get_magic_number_max_length()
							lowerCamelCase_	:     Dict 						=      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   __a     (		cls     :     List[str]       ,      lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Union[Path, str]       ,      lowerCamelCase     :     Optional[str] = None       ,      lowerCamelCase     :     Optional[BaseExtractor] = "deprecated"       ,      ):
							os.makedirs(os.path.dirname(lowerCamelCase						)       ,      exist_ok=lowerCamelCase						)
							# Prevent parallel extractions
							lowerCamelCase_	:     Tuple 						=      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       ,      )
													lowerCamelCase_	:     List[str] 						=      extractor if extractor != 'deprecated' else extractor_format
											else:
													lowerCamelCase_	:     Tuple 						=      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						)







def 		_SCREAMING_SNAKE_CASE     ( lowerCAmelCase__						):
		lowerCamelCase_	:     Union[str, Any] 						=      []
		lowerCamelCase_	:     Tuple 						=      []
		lowerCamelCase_	:     Dict 						=      {
		    '^': 3,
		    '*': 2,
		    '/': 2,
		    '%': 2,
		    '+': 1,
		    '-': 1,
		}  # Priority of each operator
		lowerCamelCase_	:     Optional[int] 						=      len(lowerCAmelCase__						) if (len(lowerCAmelCase__						) > 7) else 7

		# Print table header for output
		print(
		    'Symbol'.center(8						)							,'Stack'.center(lowerCAmelCase__						)							,'Postfix'.center(lowerCAmelCase__						)							,sep=' | '							,)
		print('-' * (print_width * 3 + 7)						)

		for x in infix:
				if x.isalpha() or x.isdigit():
						post_fix.append(lowerCAmelCase__						)  # if x is Alphabet / Digit, add it to Postfix
				elif x == "(":
						stack.append(lowerCAmelCase__						)  # if x is "(" push to Stack
				elif x == ")":  # if x is ")" pop stack until "(" is encountered
						while stack[-1] != "(":
								post_fix.append(stack.pop()						)  # Pop stack & add the content to Postfix
						stack.pop()
				else:
						if len(lowerCAmelCase__						) == 0:
								stack.append(lowerCAmelCase__						)  # If stack is empty, push x to stack
						else:  # while priority of x is not > priority of element in the stack
								while len(lowerCAmelCase__						) > 0 and priority[x] <= priority[stack[-1]]:
										post_fix.append(stack.pop()						)  # pop stack & add to Postfix
								stack.append(lowerCAmelCase__						)  # push x to stack

				print(
				    x.center(8						)							,(''.join(lowerCAmelCase__						)).ljust(lowerCAmelCase__						)							,(''.join(lowerCAmelCase__						)).ljust(lowerCAmelCase__						)							,sep=' | '							,)  # Output in tabular format

		while len(lowerCAmelCase__						) > 0:  # while stack is not empty
				post_fix.append(stack.pop()						)  # pop stack & add to Postfix
				print(
				    ' '.center(8						)							,(''.join(lowerCAmelCase__						)).ljust(lowerCAmelCase__						)							,(''.join(lowerCAmelCase__						)).ljust(lowerCAmelCase__						)							,sep=' | '							,)  # Output in tabular format

		return "".join(lowerCAmelCase__						)  # return Postfix as str


def 		_SCREAMING_SNAKE_CASE     ( lowerCAmelCase__						):
		lowerCamelCase_	:     Dict 						=      list(infix[::-1]						)  # reverse the infix equation

		for i in range(len(lowerCAmelCase__						)						):
				if infix[i] == "(":
						lowerCamelCase_	:     str 						=      ')'  # change "(" to ")"
				elif infix[i] == ")":
						lowerCamelCase_	:     Optional[Any] 						=      '('  # change ")" to "("

		return (infix_2_postfix(''.join(lowerCAmelCase__						)						))[
		    ::-1
		]  # call infix_2_postfix on Infix, return reverse of Postfix


if __name__ == "__main__":
		_lowercase		:  int			       =input("""\nEnter an Infix Equation = """)  # Input an Infix equation
		_lowercase		:  Optional[Any]			       ="""""".join(Infix.split())  # Remove spaces from the input
		print("""\n\t""", Infix, """(Infix) -> """, infix_2_prefix(Infix), """(Prefix)""")
