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-rw-r--r--gerber/layers.py60
1 files changed, 47 insertions, 13 deletions
diff --git a/gerber/layers.py b/gerber/layers.py
index 8d47816..c80baa4 100644
--- a/gerber/layers.py
+++ b/gerber/layers.py
@@ -24,71 +24,83 @@ from .excellon import ExcellonFile
from .ipc356 import IPCNetlist
-Hint = namedtuple('Hint', 'layer ext name regex')
+Hint = namedtuple('Hint', 'layer ext name regex content')
hints = [
Hint(layer='top',
ext=['gtl', 'cmp', 'top', ],
name=['art01', 'top', 'GTL', 'layer1', 'soldcom', 'comp', 'F.Cu', ],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='bottom',
ext=['gbl', 'sld', 'bot', 'sol', 'bottom', ],
name=['art02', 'bottom', 'bot', 'GBL', 'layer2', 'soldsold', 'B.Cu', ],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='internal',
ext=['in', 'gt1', 'gt2', 'gt3', 'gt4', 'gt5', 'gt6', 'g1',
'g2', 'g3', 'g4', 'g5', 'g6', ],
name=['art', 'internal', 'pgp', 'pwr', 'gp1', 'gp2', 'gp3', 'gp4',
'gt5', 'gp6', 'gnd', 'ground', 'In1.Cu', 'In2.Cu', 'In3.Cu', 'In4.Cu'],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='topsilk',
ext=['gto', 'sst', 'plc', 'ts', 'skt', 'topsilk', ],
name=['sst01', 'topsilk', 'silk', 'slk', 'sst', 'F.SilkS'],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='bottomsilk',
ext=['gbo', 'ssb', 'pls', 'bs', 'skb', 'bottomsilk',],
name=['bsilk', 'ssb', 'botsilk', 'B.SilkS'],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='topmask',
ext=['gts', 'stc', 'tmk', 'smt', 'tr', 'topmask', ],
name=['sm01', 'cmask', 'tmask', 'mask1', 'maskcom', 'topmask',
'mst', 'F.Mask',],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='bottommask',
ext=['gbs', 'sts', 'bmk', 'smb', 'br', 'bottommask', ],
name=['sm', 'bmask', 'mask2', 'masksold', 'botmask', 'msb', 'B.Mask',],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='toppaste',
ext=['gtp', 'tm', 'toppaste', ],
name=['sp01', 'toppaste', 'pst', 'F.Paste'],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='bottompaste',
ext=['gbp', 'bm', 'bottompaste', ],
name=['sp02', 'botpaste', 'psb', 'B.Paste', ],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='outline',
ext=['gko', 'outline', ],
name=['BDR', 'border', 'out', 'Edge.Cuts', ],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='ipc_netlist',
ext=['ipc'],
name=[],
- regex=''
+ regex='',
+ content=[]
),
Hint(layer='drawing',
ext=['fab'],
name=['assembly drawing', 'assembly', 'fabrication', 'fab drawing'],
- regex=''
+ regex='',
+ content=[]
),
]
@@ -103,6 +115,13 @@ def load_layer_data(data, filename=None):
def guess_layer_class(filename):
try:
+ layer = guess_layer_class_by_content(filename)
+ if layer:
+ return layer
+ except:
+ pass
+
+ try:
directory, name = os.path.split(filename)
name, ext = os.path.splitext(name.lower())
for hint in hints:
@@ -118,6 +137,21 @@ def guess_layer_class(filename):
return 'unknown'
+def guess_layer_class_by_content(filename):
+ try:
+ file = open(filename, 'r')
+ for line in file:
+ for hint in hints:
+ if len(hint.content) > 0:
+ patterns = [r'^(.*){}(.*)$'.format(x) for x in hint.content]
+ if any(re.findall(p, line, re.IGNORECASE) for p in patterns):
+ return hint.layer
+ except:
+ pass
+
+ return False
+
+
def sort_layers(layers, from_top=True):
layer_order = ['outline', 'toppaste', 'topsilk', 'topmask', 'top',
'internal', 'bottom', 'bottommask', 'bottomsilk',