diff options
Diffstat (limited to 'gerbonara/gerber/utils.py')
| -rw-r--r-- | gerbonara/gerber/utils.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gerbonara/gerber/utils.py b/gerbonara/gerber/utils.py index 533f0a2..f7df4ed 100644 --- a/gerbonara/gerber/utils.py +++ b/gerbonara/gerber/utils.py @@ -60,6 +60,13 @@ class LengthUnit: else: return id(self) == id(other) + # This class is a singleton, we don't want copies around + def __copy__(self): + return self + + def __deepcopy__(self, memo): + return self + MILLIMETERS_PER_INCH = 25.4 Inch = LengthUnit('inch', 'in', MILLIMETERS_PER_INCH) |