




'''simple docstring'''




import importlib
import shutil
import threading
import warnings
from typing import List

import fsspec
import fsspec.asyn

from . import compression
from .hffilesystem import HfFileSystem


a_      :		int							      =       importlib.util.find_spec("""s3fs""") is not None

if _has_safs:
     from .safilesystem import SaFileSystem  # noqa: F401

a_      :		List[compression.BaseCompressedFileFileSystem]							      =       [
    compression.BzaFileSystem,
    compression.GzipFileSystem,
    compression.LzaFileSystem,
    compression.XzFileSystem,
    compression.ZstdFileSystem,
]

# Register custom filesystems
for fs_class in COMPRESSION_FILESYSTEMS + [HfFileSystem]:
     if fs_class.protocol in fsspec.registry and fsspec.registry[fs_class.protocol] is not fs_class:
          warnings.warn(F"""A filesystem protocol was already set for {fs_class.protocol} and will be overwritten.""")
     fsspec.register_implementation(fs_class.protocol, fs_class, clobber=True)





def      a_							(      __snake_case							:			str   )							->						str:



       """simple docstring"""
       if "://" in dataset_path:
              lowerCamelCase_							=dataset_path.split('''://'''   )[1]
       return dataset_path





def      a_							(      __snake_case							:			fsspec.AbstractFileSystem   )							->						bool:



       """simple docstring"""
       if fs is not None and fs.protocol != "file":
              return True
       else:
              return False





def      a_							(      __snake_case							:			fsspec.AbstractFileSystem   ,       __snake_case							:			str   ,       __snake_case							:			str   )							->						List[str]:



       """simple docstring"""
       lowerCamelCase_							=not is_remote_filesystem(__snake_case   )
       if is_local:
              # LocalFileSystem.mv does copy + rm, it is more efficient to simply move a local directory
              shutil.move(fs._strip_protocol(__snake_case   )   ,       fs._strip_protocol(__snake_case   )   )
       else:
              fs.mv(__snake_case   ,       __snake_case   ,       recursive=__snake_case   )





def      a_							(      )							->						None:



       """simple docstring"""
       if hasattr(fsspec.asyn   ,       '''reset_lock'''   ):
              # for future fsspec>2022.05.0
              fsspec.asyn.reset_lock()
       else:
              lowerCamelCase_							=None
              lowerCamelCase_							=None
              lowerCamelCase_							=threading.Lock()





'''simple docstring'''

from math import sqrt

import numpy as np
from sympy import symbols

# Coefficient
# Speed of light (m/s)
_A			:      List[Any]					      =				299792458

# Symbols
_A      ,     _A      ,     _A      ,     _A			:      Union[str, Any]					      =				symbols('''ct x y z''')







def      UpperCamelCase_						(					snake_case_       :       float      )					->     float:






 '''simple docstring'''

 if velocity > c:
  raise ValueError("""Speed must not exceed light speed 299,792,458 [m/s]!"""      )
 elif velocity < 1:
  # Usually the speed should be much higher than 1 (c order of magnitude)
  raise ValueError("""Speed must be greater than or equal to 1!"""      )

 return velocity / c







def      UpperCamelCase_						(					snake_case_       :       float      )					->     float:






 '''simple docstring'''

 return 1 / sqrt(1 - beta(snake_case_      ) ** 2      )







def      UpperCamelCase_						(					snake_case_       :       float      )					->     np.ndarray:






 '''simple docstring'''

 return np.array(
     [
         [gamma(snake_case_      ), -gamma(snake_case_      ) * beta(snake_case_      ), 0, 0],
         [-gamma(snake_case_      ) * beta(snake_case_      ), gamma(snake_case_      ), 0, 0],
         [0, 0, 1, 0],
         [0, 0, 0, 1],
     ]      )







def      UpperCamelCase_						(					snake_case_       :       float						,		snake_case_       :       np.ndarray | None = None      )					->     np.ndarray:






 '''simple docstring'''

 if event is None:
  __lowerCAmelCase											=						np.array([ct, x, y, z]      )  # Symbolic four vector
 else:
  event[0] *= c  # x0 is ct (speed of light * time)

 return transformation_matrix(snake_case_      ) @ event


if __name__ == "__main__":
 import doctest

 doctest.testmod()

 # Example of symbolic vector:
 _A			:      str					      =				transform(29979245)
 print('''Example of four vector: ''')
 print(f'ct\' = {four_vector[0]}')
 print(f'x\' = {four_vector[1]}')
 print(f'y\' = {four_vector[2]}')
 print(f'z\' = {four_vector[3]}')

 # Substitute symbols with numerical values
 _A			:      int					      =				{ct: c, x: 1, y: 1, z: 1}
 _A			:      Any					      =				[four_vector[i].subs(sub_dict) for i in range(4)]

 print(f'\n{numerical_vector}')






