Not Python 3 compatible

[l0b0]

$ python --version
Python 3.4.1
$ ./build.sh 
Processing ./py/iso261-extended.py -l ./license-header.scad ./src/csv/iso261-extended.csv ./build/scad/iso261-extended.scad
Traceback (most recent call last):
  File "./py/iso261-extended.py", line 73, in <module>
    process(datain, dataout, args.json, args.decimals, args.license)
  File "./py/iso261-extended.py", line 48, in process
    iso261.process_data(data, dataout, produce_json, precision, license)
  File "/home/user/dev/nuts-n-bolts/py/iso261.py", line 110, in process_data
    screw.process_spec(k, s, dataout, decimals)
  File "/home/user/dev/nuts-n-bolts/py/screw.py", line 52, in process_spec
    ]) for pp in [poly[i:i+items_per_line] for i in xrange(0, len(poly), items_per_line)]
NameError: name 'xrange' is not defined
Processing ./py/iso261.py -l ./license-header.scad ./src/json/iso261.json ./build/scad/iso261.scad
Traceback (most recent call last):
  File "./py/iso261.py", line 134, in <module>
    process(datain, dataout, args.json, args.decimals, args.license)
  File "./py/iso261.py", line 18, in process
    process_data(data, dataout, produce_json, precision, license)
  File "./py/iso261.py", line 110, in process_data
    screw.process_spec(k, s, dataout, decimals)
  File "/home/user/dev/nuts-n-bolts/py/screw.py", line 52, in process_spec
    ]) for pp in [poly[i:i+items_per_line] for i in xrange(0, len(poly), items_per_line)]
NameError: name 'xrange' is not defined
Processing ./py/screw.py -i ../scad -l ./license-header.scad ./test/json/test.json ./build/test/test.scad
Traceback (most recent call last):
  File "./py/screw.py", line 98, in <module>
    process(datain, dataout, args.include, args.license)
  File "./py/screw.py", line 75, in process
    process_specs(specs, dataout, include, license)
  File "./py/screw.py", line 69, in process_specs
    for k, v in specs.iteritems():
AttributeError: 'dict' object has no attribute 'iteritems'

[brunogirin]

Indeed. This was built as a python 2 script. I shall update it to work with python 3.