Grafo de dependências de requisitos funcionais (Projeto Site)

pending_graph.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from __future__ import absolute_import
from __future__ import unicode_literals
from __future__ import print_function
from __future__ import division

import pygraphviz as pgv

G = pgv.AGraph(directed=True)

G.node_attr['style'] = 'filled'
G.node_attr['shape'] = 'circle'
G.node_attr['fontcolor'] = '#000000'

G.graph_attr['label'] = 'Grafo de depêndencia'

for i, line in enumerate(open('input.csv')):

    split_line = line.split(',')

    for j, col in enumerate(split_line):
        if col == 'x':
            G.add_edge(i+1, j, label='depende')
        else:
            G.add_node(i+1)

print(G.string())  # print to screen
print("Wrote pending_graph.dot")
G.write('pending_graph.dot')  # write to simple.dot

B = pgv.AGraph('pending_graph.dot')  # create a new graph from file
B.layout()  # layout with default (neato)
B.draw('pending_graph.png', prog="circo")  # draw png
print("Wrote pending_graph.png")