/usr/lib/python3/dist-packages/stl/main.py is in python3-stl 2.3.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | import sys
import random
import argparse
from . import stl
def _get_parser(description):
parser = argparse.ArgumentParser(description=description)
parser.add_argument('infile', nargs='?', type=argparse.FileType('rb'),
default=sys.stdin, help='STL file to read')
parser.add_argument('outfile', nargs='?', type=argparse.FileType('wb'),
default=sys.stdout, help='STL file to write')
parser.add_argument('--name', nargs='?', help='Name of the mesh')
parser.add_argument(
'-n', '--use-file-normals', action='store_true',
help='Read the normals from the file instead of recalculating them')
parser.add_argument(
'-r', '--remove-empty-areas', action='store_true',
help='Remove areas with 0 surface areas to prevent errors during '
'normal calculation')
parser.add_argument('-s', '--disable-speedups', action='store_true',
help='Disable Cython speedups')
return parser
def _get_name(args):
names = [
args.name,
getattr(args.outfile, 'name', None),
getattr(args.infile, 'name', None),
'numpy-stl-%06d' % random.randint(0, 1e6),
]
for name in names: # pragma: no branch
if name and isinstance(name, str) and not name.startswith('<'):
return name
def main():
parser = _get_parser('Convert STL files from ascii to binary and back')
parser.add_argument('-a', '--ascii', action='store_true',
help='Write ASCII file (default is binary)')
parser.add_argument('-b', '--binary', action='store_true',
help='Force binary file (for TTYs)')
args = parser.parse_args()
name = _get_name(args)
stl_file = stl.StlMesh(filename=name,
fh=args.infile,
calculate_normals=False,
remove_empty_areas=args.remove_empty_areas,
speedups=not args.disable_speedups)
if args.binary:
mode = stl.BINARY
elif args.ascii:
mode = stl.ASCII
else:
mode = stl.AUTOMATIC
stl_file.save(name, args.outfile, mode=mode,
update_normals=not args.use_file_normals)
def to_ascii():
parser = _get_parser('Convert STL files to ASCII (text) format')
args = parser.parse_args()
name = _get_name(args)
stl_file = stl.StlMesh(filename=name, fh=args.infile,
calculate_normals=False,
remove_empty_areas=args.remove_empty_areas,
speedups=not args.disable_speedups)
stl_file.save(name, args.outfile, mode=stl.ASCII,
update_normals=not args.use_file_normals)
def to_binary():
parser = _get_parser('Convert STL files to ASCII (text) format')
args = parser.parse_args()
name = _get_name(args)
stl_file = stl.StlMesh(filename=name, fh=args.infile,
calculate_normals=False,
remove_empty_areas=args.remove_empty_areas,
speedups=not args.disable_speedups)
stl_file.save(name, args.outfile, mode=stl.BINARY,
update_normals=not args.use_file_normals)
|