我想从给定的树文件中删除一组节点。python ete2从树中删除节点
Input : tree file+ txt file contains the name of nodes that should only exists in the tree.
这是我的代码:`
def find_id(file,id):
f= open(file)
s = open(file).read()
if re.search(id,s,re.MULTILINE):
found= True
else:
found= False
return found
def remove_nodes(treeFile,idFile):
t= Tree(treeFile,format=8)
removed=[]
for node in t:
#print node.name
if not find_id(idFile,'^'+node.name+'\s') and node.is_leaf():
n= node.delete()
removed.append(n)
print removed
t.write(format=1, outfile="newtree.nw")
remove_nodes('arthropods.nw','taxidMap.txt')`
arthropods.nw是newick树文件,这是一个摘录:
((260574)58772(874683,874682,874681,874680,874685,874684,1096898,874676,874677,874678,874679)89902(((((61988,390855,109756,62003,374072,244964,146864,251422,388540,438507,681530)61987,(244997,1068629,485196,681527,126872,111303,58784,134582,89817,231264)58783)109754,((289475,390856,118505)118504)118506)61986(((((756952,756950,756951,171369,1053728,231396)171368,(980235)980234,(118484)118483,(126927)126926,(1147029,863609,89974,1255757...
taxidMap.txt:
135631 NC_015190
29137 NC_003314
29139 NC_003322
...
问题是当我打印列表“删除”它的gi给我一个没有列表,并且我意识到树中的节点数仍然是输入文件 中任何建议的名称数量的>个数。 在此先感谢
你可以发表你正在使用的'Tree'对象的一些代码吗? – Houdini
正如fransua先生所说,这里是树类http://pythonhosted.org/ete2/reference/reference_tree.html – AWRAM