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Fix write_gerber_value bug

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This commit is contained in:
Hamilton Kibbe 2015-02-08 22:27:24 -05:00
parent a4c8a4cbcf
commit aea1f38597
2 changed files with 8 additions and 0 deletions
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3
gerber/tests/test_utils.py
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@ -37,6 +37,9 @@ def test_zero_suppression():
assert_equal(value, parse_gerber_value(string, fmt, zero_suppression))
assert_equal(string, write_gerber_value(value, fmt, zero_suppression))
assert_equal(write_gerber_value(0.000000001, fmt, 'leading'), '0')
assert_equal(write_gerber_value(0.000000001, fmt, 'trailing'), '0')
def test_format():
""" Test gerber value parser and writer handle format correctly

5
gerber/utils.py
View file

@ -138,6 +138,11 @@ def write_gerber_value(value, format=(2, 5), zero_suppression='trailing'):
fmtstring = '%%0%d.0%df' % (MAX_DIGITS + 1, decimal_digits)
digits = [val for val in fmtstring % value if val != '.']
# If all the digits are 0, return '0'.
digit_sum = reduce(lambda x,y:x+int(y), digits, 0)
if digit_sum == 0:
return '0'
# Suppression...
if zero_suppression == 'trailing':
while digits and digits[-1] == '0':