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pygraf 1.02
Supports:
Python:Python 2.6+
Author: [email protected]
Install:
$ pip install pygraf
or
$ pip3 install pygraf
Command List:
graph=pygraf.graf(n,mas)
graph.check_orient()
graph.dfs(v,0)
graph.print_dfs()
graph.comp(True/False)
graph.minwayves_wihtout_cicly(v,u)
graph.minwayprint_wihtout_cicly(v,u)
graph.add_rebro(v,u,c)
graph.del_rebro(v,u)
pygraf.graf(n,mas)
n - count of point
mas - massive of [First point,Second point,Cost]
Example init graph:
graph=pygraf.graf(3,[[1,2,2],[1,3,4]])
graph.check_orient()
Checking directed graph
Example init graph:
graph=pygraf.graf(3,[[1,2,2],[1,3,4]])
graph.check_orient()#return true - Directed; False - Undirected
graph.dfs(v,0)
Starting DFS algoritm from v-point
Example init graph:
graph=pygraf.graf(3,[[1,2,2],[2,3,4]])
graph.dfs(2,0)#Nothing return
graph.print_dfs()
Return result DFS algoritm from v-point
Example init graph:
graph=pygraf.graf(3,[[1,2,2],[2,3,4]])
graph.dfs(2,0)#Nothing return
print(graph.print_dfs())#print [False,True,True]
graph.comp(True/False)
Only for Undirected graph, if graph directed return False
if True:
Return Connected component and List all component:
graph=pygraf.graf(3,[[2,1],[2,3],[3,1],[1,3],[1,2],[3,2]])
print(graph.comp(True))#print "1->2" "1->3" "1"
if False:
graph=pygraf.graf(5,[[2,1],[2,3],[3,1],[1,3],[1,2],[3,2],[4,5],[5,4]])
print(graph.comp(False))#print "2"
graph.minwayves_wihtout_cicly(v,u)
Print min-cost from v to u
Example init graph:
graph=pygraf.graf(3,[[1,2,2],[2,3,4]])
graph.minwayves_wihtout_cicly(2,3)#print "4"
graph.minwayprint_wihtout_cicly(v,u)
Print min-cost from v to u
Example init graph:
graph=pygraf.graf(3,[[1,2,2],[2,3,4]])
graph.minwayprint_wihtout_cicly(2,3)#print "2 3"
graph.add_rebro(v,u,c)
Add path from “v” to “u” cost “c”
Example init graph:
graph=pygraf.graf(3,[[1,2,2],[2,3,4]])
graph.add_rebro(2,1,4)#add path from 2 to 1 cost 4
graph.del_rebro(v,u)
Delete path from “v” to “u”
Example init graph:
graph=pygraf.graf(3,[[1,2,2],[2,3,4]])
graph.del_rebro(2,3)#delete path from "2" to "3"
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