def _compute_segment_lines(splice_graph):
"""Compute the segment lines
S node_id sequence length
"""
node2seq = nx.get_node_attributes(
G=splice_graph,
name='sequence'
)
for node in sorted(splice_graph.nodes()):
yield "S\t{node}\t{sequence}\tLN:i:{length}\n".format(
node=node,
sequence=node2seq[node],
length=len(node2seq[node])
)
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