





"""simple docstring"""







import heapq as hq
import math
from collections.abc import Iterator




class __magic_name__   :
       def __init__(     self   ,  __magic_name__	):





         """simple docstring"""


         _lowerCAmelCase	      =					str(id_	)
         _lowerCAmelCase	      =					None
         _lowerCAmelCase	      =					None
         _lowerCAmelCase	      =					[]
         _lowerCAmelCase	      =					{}  # {vertex:distance}
       def __lt__(     self   ,  __magic_name__	):





         """simple docstring"""


         return self.key < other.key
       def __repr__(     self	):





         """simple docstring"""


         return self.id
       def 		_lowerCamelCase   (     self   ,  __magic_name__	):





         """simple docstring"""


         self.neighbors.append(__magic_name__	)
       def 		_lowerCamelCase   (     self   ,  __magic_name__   ,  __magic_name__	):





         """simple docstring"""


         _lowerCAmelCase	      =					weight







def     A__			(       __lowerCamelCase,		__lowerCamelCase,		__lowerCamelCase,		__lowerCamelCase					):





  """simple docstring"""
  graph[a - 1].add_neighbor(graph[b - 1]					)
  graph[b - 1].add_neighbor(graph[a - 1]					)
  # add the edges:
  graph[a - 1].add_edge(graph[b - 1],		lowerCamelCase_					)
  graph[b - 1].add_edge(graph[a - 1],		lowerCamelCase_					)







def     A__			(       __lowerCamelCase,		__lowerCamelCase					):





  """simple docstring"""
  _lowerCAmelCase	      =					[]
  for u in graph:
    _lowerCAmelCase	      =					math.inf
    _lowerCAmelCase	      =					None
  _lowerCAmelCase	      =					0
  _lowerCAmelCase	      =					graph[:]
  while q:
    _lowerCAmelCase	      =					min(lowerCamelCase_					)
    q.remove(lowerCamelCase_					)
    for v in u.neighbors:
      if (v in q) and (u.edges[v.id] < v.key):
        _lowerCAmelCase	      =					u
        _lowerCAmelCase	      =					u.edges[v.id]
  for i in range(1,		len(lowerCamelCase_					)					):
    a.append((int(graph[i].id					) + 1, int(graph[i].pi.id					) + 1)					)
  return a







def     A__			(       __lowerCamelCase,		__lowerCamelCase					):





  """simple docstring"""
  for u in graph:
    _lowerCAmelCase	      =					math.inf
    _lowerCAmelCase	      =					None
  _lowerCAmelCase	      =					0

  _lowerCAmelCase	      =					list(lowerCamelCase_					)
  hq.heapify(lowerCamelCase_					)

  while h:
    _lowerCAmelCase	      =					hq.heappop(lowerCamelCase_					)
    for v in u.neighbors:
      if (v in h) and (u.edges[v.id] < v.key):
        _lowerCAmelCase	      =					u
        _lowerCAmelCase	      =					u.edges[v.id]
        hq.heapify(lowerCamelCase_					)

  for i in range(1,		len(lowerCamelCase_					)					):
    yield (int(graph[i].id					) + 1, int(graph[i].pi.id					) + 1)







def     A__			(       ):





  """simple docstring"""


if __name__ == "__main__":
   import doctest

   doctest.testmod()











# Copyright 2021 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import argparse
import os

from accelerate.test_utils import execute_subprocess_async






def     a     (		lowerCamelCase_=None							):






				'''simple docstring'''
				if subparsers is not None:
								lowercase__  					=     subparsers.add_parser('''test'''							)
				else:
								lowercase__  					=     argparse.ArgumentParser('''Accelerate test command'''							)

				parser.add_argument(
				    '''--config_file'''						,  default=lowerCamelCase_						,  help=(
				        '''The path to use to store the config file. Will default to a file named default_config.yaml in the cache '''
				        '''location, which is the content of the environment `HF_HOME` suffixed with \'accelerate\', or if you don\'t have '''
				        '''such an environment variable, your cache directory (\'~/.cache\' or the content of `XDG_CACHE_HOME`) suffixed '''
				        '''with \'huggingface\'.'''
				    )						,  )

				if subparsers is not None:
								parser.set_defaults(func=lowerCamelCase_							)
				return parser






def     a     (		lowerCamelCase_							):






				'''simple docstring'''
				lowercase__  					=     os.path.sep.join(__file__.split(os.path.sep							)[:-2] + ['''test_utils''', '''scripts''', '''test_script.py''']							)

				if args.config_file is None:
								lowercase__  					=     script_name
				else:
								lowercase__  					=     F"""--config_file={args.config_file} {script_name}"""

				lowercase__  					=     ['''accelerate-launch'''] + test_args.split()
				lowercase__  					=     execute_subprocess_async(lowerCamelCase_						,  env=os.environ.copy()							)
				if result.returncode == 0:
								print('''Test is a success! You are ready for your distributed training!'''							)






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     test_command_parser()
				lowercase__  					=     parser.parse_args()
				test_command(lowerCamelCase_							)


if __name__ == "__main__":
							main()




