Getting points out of a DXF file

gistfile1.py

import dxfgrabber

dxf = dxfgrabber.readfile('surface0.dxf')
all_surface_entities = [entity for entity in dxf.entities if entity.layer == '0']
all_progress_line_entities = [entity for entity in dxf.entities if entity.layer == 'Progress Line']

f = open('surface_points.csv', 'w')

# List of Point objects
for p in all_surface_entities:
    f.write('{},{},{}\n'.format(p.point[0],p.point[1],p.point[2]))
	
f.close()

f = open('prog_line_points.csv', 'w')
# List of PolyLine objects
# need to get the points out of each PolyLine.
for pl in all_progress_line_entities:
    for p in pl.points:
		f.write('{},{},{}\n'.format(p[0],p[1],p[2]))
	
f.close()