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authorPaulo Henrique Silva <ph.silva@gmail.com>2016-01-05 22:05:19 -0200
committerPaulo Henrique Silva <ph.silva@gmail.com>2016-01-05 22:05:19 -0200
commit7a532514631384dbfc9d7fc2002cbbfe52433c9f (patch)
tree5678cff7ba877e9c93ea63445f081fd0430f8b4b /gerber/pcb.py
parentaf5541ac93b222c05229ee05c9def8dbae5f6e25 (diff)
parent6a005436b475e3517fd6a583473b60e601bcc661 (diff)
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Merge pull request #53 from curtacircuitos/pcb_interface
Add PCB interface
Diffstat (limited to 'gerber/pcb.py')
-rw-r--r--gerber/pcb.py94
1 files changed, 94 insertions, 0 deletions
diff --git a/gerber/pcb.py b/gerber/pcb.py
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+++ b/gerber/pcb.py
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+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# copyright 2015 Hamilton Kibbe <ham@hamiltonkib.be>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+# http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import os
+from .exceptions import ParseError
+from .layers import PCBLayer, LayerSet, sort_layers
+from .common import read as gerber_read
+from .utils import listdir
+
+
+class PCB(object):
+
+ @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 listdir(directory, True, True):
+ try:
+ camfile = gerber_read(os.path.join(directory, filename))
+ layer = PCBLayer.from_gerber(camfile)
+ layers.append(layer)
+ names.add(os.path.splitext(filename)[0])
+ if verbose:
+ print('Added {} layer <{}>'.format(layer.layer_class, filename))
+ except ParseError:
+ if verbose:
+ print('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]
+ return board_layers + drill_layers
+
+ @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]
+ return board_layers + drill_layers
+
+ @property
+ def drill_layers(self):
+ return [l for l in self.layers if l.layer_class == 'drill']
+
+ @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.bounds
+ for layer in self.layers:
+ if layer.layer_class == 'top':
+ return layer.bounds
+