diff options
Diffstat (limited to 'gerbonara/gerber/layers.py')
| -rw-r--r-- | gerbonara/gerber/layers.py | 103 |
1 files changed, 102 insertions, 1 deletions
diff --git a/gerbonara/gerber/layers.py b/gerbonara/gerber/layers.py index 90518ac..c221324 100644 --- a/gerbonara/gerber/layers.py +++ b/gerbonara/gerber/layers.py @@ -19,7 +19,6 @@ import os import re
from collections import namedtuple
-from . import common
from .excellon import ExcellonFile
from .ipc356 import IPCNetlist
@@ -294,3 +293,105 @@ class InternalLayer(PCBLayer): if not hasattr(other, 'order'):
raise TypeError()
return (self.order <= other.order)
+
+class PCB:
+
+ @classmethod
+ def from_directory(cls, directory, board_name=None, verbose=False):
+ layers = []
+ names = set()
+
+ # Validate
+ directory = os.path.abspath(directory)
+ if not os.path.isdir(directory):
+ raise TypeError('{} is not a directory.'.format(directory))
+
+ # Load gerber files
+ for filename in os.listdir(directory):
+ try:
+ camfile = gerber_read(os.path.join(directory, filename))
+ layer = PCBLayer.from_cam(camfile)
+ layers.append(layer)
+ name = os.path.splitext(filename)[0]
+ if len(os.path.splitext(filename)) > 1:
+ _name, ext = os.path.splitext(name)
+ if ext[1:] in layer_signatures(layer.layer_class):
+ name = _name
+ if layer.layer_class == 'drill' and 'drill' in ext:
+ name = _name
+ names.add(name)
+ if verbose:
+ print('[PCB]: Added {} layer <{}>'.format(layer.layer_class,
+ filename))
+ except ParseError:
+ if verbose:
+ print('[PCB]: Skipping file {}'.format(filename))
+ except IOError:
+ if verbose:
+ print('[PCB]: Skipping file {}'.format(filename))
+
+ # Try to guess board name
+ if board_name is None:
+ if len(names) == 1:
+ board_name = names.pop()
+ else:
+ board_name = os.path.basename(directory)
+ # Return PCB
+ return cls(layers, board_name)
+
+ def __init__(self, layers, name=None):
+ self.layers = sort_layers(layers)
+ self.name = name
+
+ def __len__(self):
+ return len(self.layers)
+
+ @property
+ def top_layers(self):
+ board_layers = [l for l in reversed(self.layers) if l.layer_class in
+ ('topsilk', 'topmask', 'top')]
+ drill_layers = [l for l in self.drill_layers if 'top' in l.layers]
+ # Drill layer goes under soldermask for proper rendering of tented vias
+ return [board_layers[0]] + drill_layers + board_layers[1:]
+
+ @property
+ def bottom_layers(self):
+ board_layers = [l for l in self.layers if l.layer_class in
+ ('bottomsilk', 'bottommask', 'bottom')]
+ drill_layers = [l for l in self.drill_layers if 'bottom' in l.layers]
+ # Drill layer goes under soldermask for proper rendering of tented vias
+ return [board_layers[0]] + drill_layers + board_layers[1:]
+
+ @property
+ def drill_layers(self):
+ return [l for l in self.layers if l.layer_class == 'drill']
+
+ @property
+ def copper_layers(self):
+ return list(reversed([layer for layer in self.layers if
+ layer.layer_class in
+ ('top', 'bottom', 'internal')]))
+
+ @property
+ def outline_layer(self):
+ for layer in self.layers:
+ if layer.layer_class == 'outline':
+ return layer
+
+ @property
+ def layer_count(self):
+ """ Number of *COPPER* layers
+ """
+ return len([l for l in self.layers if l.layer_class in
+ ('top', 'bottom', 'internal')])
+
+ @property
+ def board_bounds(self):
+ for layer in self.layers:
+ if layer.layer_class == 'outline':
+ return layer.bounding_box
+
+ for layer in self.layers:
+ if layer.layer_class == 'top':
+ return layer.bounding_box
+
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