diff options
Diffstat (limited to 'gerbonara/gerber/cam.py')
| -rw-r--r-- | gerbonara/gerber/cam.py | 77 |
1 files changed, 20 insertions, 57 deletions
diff --git a/gerbonara/gerber/cam.py b/gerbonara/gerber/cam.py index fa46ba2..2917fc5 100644 --- a/gerbonara/gerber/cam.py +++ b/gerbonara/gerber/cam.py @@ -16,7 +16,7 @@ # limitations under the License. from dataclasses import dataclass - +from copy import deepcopy @dataclass class FileSettings: @@ -28,7 +28,7 @@ class FileSettings: suppressed, while the Excellon format specifies which zeros are included. This function uses the Gerber-file convention, so an Excellon file in LZ (leading zeros) mode would use - `zero_suppression='trailing'` + `zeros='trailing'` ''' notation : str = 'absolute' units : str = 'inch' @@ -38,24 +38,27 @@ class FileSettings: # input validation def __setattr__(self, name, value): - elif name == 'notation' and value not in ['inch', 'mm']: - raise ValueError('Units must be either "inch" or "mm"') - elif name == 'units' and value not in ['absolute', 'incremental']: - raise ValueError('Notation must be either "absolute" or "incremental"') + if name == 'units' and value not in ['inch', 'mm']: + raise ValueError(f'Units must be either "inch" or "mm", not {value}') + elif name == 'notation' and value not in ['absolute', 'incremental']: + raise ValueError(f'Notation must be either "absolute" or "incremental", not {value}') elif name == 'angle_units' and value not in ('degrees', 'radians'): - raise ValueError('Angle units may be "degrees" or "radians"') + raise ValueError(f'Angle units may be "degrees" or "radians", not {value}') elif name == 'zeros' and value not in [None, 'leading', 'trailing']: - raise ValueError('zero_suppression must be either "leading" or "trailing" or None') + raise ValueError(f'zeros must be either "leading" or "trailing" or None, not {value}') elif name == 'number_format': if len(value) != 2: - raise ValueError('Number format must be a (integer, fractional) tuple of integers') + raise ValueError(f'Number format must be a (integer, fractional) tuple of integers, not {value}') if value[0] > 6 or value[1] > 7: - raise ValueError('Requested precision is too high. Only up to 6.7 digits are supported by spec.') + raise ValueError(f'Requested precision of {value} is too high. Only up to 6.7 digits are supported by spec.') super().__setattr__(name, value) + def copy(self): + return deepcopy(self) + def __str__(self): return f'<File settings: units={self.units}/{self.angle_units} notation={self.notation} zeros={self.zeros} number_format={self.number_format}>' @@ -74,9 +77,7 @@ class FileSettings: sign = '-' if value[0] == '-' else '' value = value.lstrip('+-') - missing_digits = MAX_DIGITS - len(value) - - if self.zero_suppression == 'leading': + if self.zeros == 'leading': return float(sign + value[:-decimal_digits] + '.' + value[-decimal_digits:]) else: # no or trailing zero suppression @@ -90,13 +91,13 @@ class FileSettings: # negative sign affects padding, so deal with it at the end... sign = '-' if value < 0 else '' - num = format(abs(value), f'0{integer_digits+decimal_digits+1}.{decimal_digits}f') + num = format(abs(value), f'0{integer_digits+decimal_digits+1}.{decimal_digits}f').replace('.', '') # Suppression... - if self.zero_suppression == 'trailing': + if self.zeros == 'trailing': num = num.rstrip('0') - elif self.zero_suppression == 'leading': + elif self.zeros == 'leading': num = num.lstrip('0') # Edge case. Per Gerber spec if the value is 0 we should return a single '0' in all cases, see page 77. @@ -106,49 +107,11 @@ class FileSettings: return sign + (num or '0') -class CamFile(object): - """ Base class for Gerber/Excellon files. - - Provides a common set of settings parameters. - - Parameters - ---------- - settings : FileSettings - The current file configuration. - - primitives : iterable - List of primitives in the file. - - filename : string - Name of the file that this CamFile represents. - - layer_name : string - Name of the PCB layer that the file represents - - Attributes - ---------- - settings : FileSettings - File settings as a FileSettings object - - notation : string - File notation setting. May be either 'absolute' or 'incremental' - - units : string - File units setting. May be 'inch' or 'mm' - - zero_suppression : string - File zero-suppression setting. May be either 'leading' or 'trailling' - - format : tuple (<int>, <int>) - File decimal representation format as a tuple of (integer digits, - decimal digits) - """ - - def __init__(self, settings=None, primitives=None, - filename=None, layer_name=None): - self.settings = settings if settings is not None else FileSettings() +class CamFile: + def __init__(self, filename=None, layer_name=None): self.filename = filename self.layer_name = layer_name + self.import_settings = None @property def bounds(self): |