





UpperCAmelCase_							=				{"""a""": ["""c""", """b"""], """b""": ["""d""", """e"""], """c""": [], """d""": [], """e""": []}
UpperCAmelCase_							=				["""a""", """b""", """c""", """d""", """e"""]





def  __magic_name__  (				lowercase				,       lowercase				,       lowercase				)				-> Union[str, Any]:

							"""simple docstring"""



							lowercase_	:   Tuple  				=     start
							# add current to visited
							visited.append(lowercase				)
							lowercase_	:   Any  				=     edges[current]
							for neighbor in neighbors:
														# if neighbor not in visited, visit
														if neighbor not in visited:
																					lowercase_	:   List[str]  				=     topological_sort(lowercase				,       lowercase				,       lowercase				)
    # if all neighbors visited add current to sort
							sort.append(lowercase				)
							# if all vertices haven't been visited select a new one to visit
							if len(lowercase				) != len(lowercase				):
														for vertice in vertices:
																					if vertice not in visited:
																												lowercase_	:   Optional[Any]  				=     topological_sort(lowercase				,       lowercase				,       lowercase				)
    # return sort
							return sort


if __name__ == "__main__":
							UpperCAmelCase_							=				topological_sort("""a""", [], [])
							print(sort)






import pytest
import requests

from datasets.utils.file_utils import http_head

from .utils import OfflineSimulationMode, RequestWouldHangIndefinitelyError, offline





@pytest.mark.integration
def  __magic_name__  (				)				-> Union[str, Any]:

							"""simple docstring"""



							with offline(OfflineSimulationMode.CONNECTION_TIMES_OUT				):
														with pytest.raises(lowercase				):
																					requests.request("""GET"""				,       """https://huggingface.co"""				)
														with pytest.raises(requests.exceptions.ConnectTimeout				):
																					requests.request("""GET"""				,       """https://huggingface.co"""				,       timeout=1.0				)





@pytest.mark.integration
def  __magic_name__  (				)				-> Union[str, Any]:

							"""simple docstring"""



							with offline(OfflineSimulationMode.CONNECTION_FAILS				):
														with pytest.raises(requests.exceptions.ConnectionError				):
																					requests.request("""GET"""				,       """https://huggingface.co"""				)





def  __magic_name__  (				)				-> Dict:

							"""simple docstring"""



							with offline(OfflineSimulationMode.HF_DATASETS_OFFLINE_SET_TO_1				):
														with pytest.raises(lowercase				):
																					http_head("""https://huggingface.co"""				)