






'''simple docstring'''

from __future__ import annotations

from collections.abc import Callable
from typing import Generic, TypeVar

UpperCamelCase							=TypeVar("T")
UpperCamelCase							=TypeVar("U")




class     A    (      Generic[T, U]						):






 """simple docstring"""





 def __init__(							self			,     __lowerCAmelCase			,     __lowerCAmelCase ):
       UpperCamelCase_				:   int					    =							key
       UpperCamelCase_				:   List[Any]					    =							val
       UpperCamelCase_				:   DoubleLinkedListNode[T, U] | None					    =							None
       UpperCamelCase_				:   DoubleLinkedListNode[T, U] | None					    =							None





 def __repr__(							self ):
       return (
           F"Node: key: {self.key}, val: {self.val}, "
           F"has next: {bool(self.next )}, has prev: {bool(self.prev )}"
       )






class     A    (      Generic[T, U]						):






 """simple docstring"""





 def __init__(							self ):
       UpperCamelCase_				:   DoubleLinkedListNode[T, U]					    =							DoubleLinkedListNode(__lowerCAmelCase			,     __lowerCAmelCase )
       UpperCamelCase_				:   DoubleLinkedListNode[T, U]					    =							DoubleLinkedListNode(__lowerCAmelCase			,     __lowerCAmelCase )
       UpperCamelCase_				:   Dict					    =							self.rear, self.head
 def __repr__(							self ):
       UpperCamelCase_				:   str					    =							["""DoubleLinkedList"""]
       UpperCamelCase_				:   int					    =							self.head
       while node.next is not None:
             rep.append(str(__lowerCAmelCase ) )
             UpperCamelCase_				:   Union[str, Any]					    =							node.next
       rep.append(str(self.rear ) )
       return ",\n    ".join(__lowerCAmelCase )
 def   _UpperCAmelCase       (							self			,     __lowerCAmelCase ):
       UpperCamelCase_				:   Any					    =							self.rear.prev

       # All nodes other than self.head are guaranteed to have non-None previous
       assert previous is not None

       UpperCamelCase_				:   str					    =							node
       UpperCamelCase_				:   Tuple					    =							previous
       UpperCamelCase_				:   int					    =							node
       UpperCamelCase_				:   str					    =							self.rear





 def   _UpperCAmelCase       (							self			,     __lowerCAmelCase ):

       if node.prev is None or node.next is None:
             return None

       UpperCamelCase_				:   Any					    =							node.next
       UpperCamelCase_				:   Union[str, Any]					    =							node.prev
       UpperCamelCase_				:   Optional[int]					    =							None
       UpperCamelCase_				:   List[str]					    =							None
       return node






class     A    (      Generic[T, U]						):






 """simple docstring"""





 __a			:						dict[Callable[[T], U], LRUCache[T, U]]      =						{}
 def __init__(							self			,     __lowerCAmelCase ):
       UpperCamelCase_				:   DoubleLinkedList[T, U]					    =							DoubleLinkedList()
       UpperCamelCase_				:   Optional[Any]					    =							capacity
       UpperCamelCase_				:   int					    =							0
       UpperCamelCase_				:   List[str]					    =							0
       UpperCamelCase_				:   List[Any]					    =							0
       UpperCamelCase_				:   dict[T, DoubleLinkedListNode[T, U]]					    =							{}
 def __repr__(							self ):
       return (
           F"CacheInfo(hits={self.hits}, misses={self.miss}, "
           F"capacity={self.capacity}, current size={self.num_keys})"
       )
 def __contains__(							self			,     __lowerCAmelCase ):
       return key in self.cache
 def   _UpperCAmelCase       (							self			,     __lowerCAmelCase ):
       # Note: pythonic interface would throw KeyError rather than return None

       if key in self.cache:
             self.hits += 1
             UpperCamelCase_				:   DoubleLinkedListNode[T, U]					    =							self.cache[key]
             UpperCamelCase_				:   int					    =							self.list.remove(self.cache[key] )
             assert node == value_node

             # node is guaranteed not None because it is in self.cache
             assert node is not None
             self.list.add(__lowerCAmelCase )
             return node.val
       self.miss += 1
       return None
 def   _UpperCAmelCase       (							self			,     __lowerCAmelCase			,     __lowerCAmelCase ):

       if key not in self.cache:
             if self.num_keys >= self.capacity:
                   # delete first node (oldest) when over capacity
                   UpperCamelCase_				:   str					    =							self.list.head.next

                   # guaranteed to have a non-None first node when num_keys > 0
                   # explain to type checker via assertions
                   assert first_node is not None
                   assert first_node.key is not None
                   assert (
                       self.list.remove(__lowerCAmelCase ) is not None
                   )  # node guaranteed to be in list assert node.key is not None

                   del self.cache[first_node.key]
                   self.num_keys -= 1
             UpperCamelCase_				:   Dict					    =							DoubleLinkedListNode(__lowerCAmelCase			,     __lowerCAmelCase )
             self.list.add(self.cache[key] )
             self.num_keys += 1

       else:
             # bump node to the end of the list, update value
             UpperCamelCase_				:   str					    =							self.list.remove(self.cache[key] )
             assert node is not None  # node guaranteed to be in list
             UpperCamelCase_				:   Dict					    =							value
             self.list.add(__lowerCAmelCase )





 @classmethod
 def   _UpperCAmelCase       (							cls			,     __lowerCAmelCase = 1_28 ):

       def cache_decorator_inner(__lowerCAmelCase ) -> Callable[..., U]:
             def cache_decorator_wrapper(*__lowerCAmelCase ) -> U:
                   if func not in cls.decorator_function_to_instance_map:
                         UpperCamelCase_				:   List[Any]					    =							LRUCache(__lowerCAmelCase )

                   UpperCamelCase_				:   Union[str, Any]					    =							cls.decorator_function_to_instance_map[func].get(args[0] )
                   if result is None:
                         UpperCamelCase_				:   Optional[Any]					    =							func(*__lowerCAmelCase )
                         cls.decorator_function_to_instance_map[func].put(args[0]			,     __lowerCAmelCase )
                   return result

             def cache_info() -> LRUCache[T, U]:
                   return cls.decorator_function_to_instance_map[func]

             setattr(__lowerCAmelCase			,     """cache_info"""			,     __lowerCAmelCase )  # noqa: B010

             return cache_decorator_wrapper

       return cache_decorator_inner


if __name__ == "__main__":
    import doctest

    doctest.testmod()














'''simple docstring'''

from __future__ import annotations

import os
from typing import Any

import requests

UpperCamelCase							="https://api.github.com"

# https://docs.github.com/en/free-pro-team@latest/rest/reference/users#get-the-authenticated-user
UpperCamelCase							=BASE_URL + "/user"

# https://github.com/settings/tokens
UpperCamelCase							=os.environ.get("USER_TOKEN", "")



def 							snake_case					(     a_							: str	)       ->				dict[Any, Any]:





      """simple docstring"""

      UpperCamelCase_				:   Tuple					    =							{
          """Authorization""": f"token {auth_token}",
          """Accept""": """application/vnd.github.v3+json""",
      }
      return requests.get(a_    ,   headers=a_	).json()


if __name__ == "__main__":  # pragma: no cover
      if USER_TOKEN:
            for key, value in fetch_github_info(USER_TOKEN).items():
                  print(f"{key}: {value}")
      else:
            raise ValueError("'USER_TOKEN' field cannot be empty.")






