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-rw-r--r--gerber/layers.py60
-rw-r--r--gerber/tests/resources/example_guess_by_content.g0166
-rw-r--r--gerber/tests/test_layers.py24
3 files changed, 236 insertions, 14 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',
diff --git a/gerber/tests/resources/example_guess_by_content.g0 b/gerber/tests/resources/example_guess_by_content.g0
new file mode 100644
index 0000000..5b26afe
--- /dev/null
+++ b/gerber/tests/resources/example_guess_by_content.g0
@@ -0,0 +1,166 @@
+G04 ULTIpost, Date: Nov. 01, 2017 09:40 *
+G04 Design file: C:\example_guess_by_content.g0 *
+G04 Layer name: Bottom *
+G04 Scale: 100 percent, Rotated: Yes, Reflected: No *
+G75*
+%MOIN*%
+%OFA0B0*%
+%FSLAX24Y24*%
+%IPPOS*%
+%LPD*%
+%AMOC8*
+5,1,8,0,0,1.08239X$1,22.5*
+%
+%ADD10R,0.0340X0.0880*%
+%ADD11R,0.0671X0.0237*%
+%ADD12R,0.4178X0.4332*%
+%ADD13R,0.0930X0.0500*%
+%ADD14R,0.0710X0.1655*%
+%ADD15R,0.0671X0.0592*%
+%ADD16R,0.0592X0.0671*%
+%ADD17R,0.0710X0.1615*%
+%ADD18R,0.1419X0.0828*%
+%ADD19C,0.0634*%
+%ADD20C,0.1360*%
+%ADD21R,0.0474X0.0580*%
+%ADD22C,0.0680*%
+%ADD23R,0.0552X0.0552*%
+%ADD24C,0.1340*%
+%ADD25C,0.0476*%
+D10*
+X005000Y010604D03*
+X005500Y010604D03*
+X006000Y010604D03*
+X006500Y010604D03*
+X006500Y013024D03*
+X006000Y013024D03*
+X005500Y013024D03*
+X005000Y013024D03*
+D11*
+X011423Y007128D03*
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+X014277Y006360D03*
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+X014277Y007128D03*
+D12*
+X009350Y010114D03*
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+X012630Y010114D03*
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+X012630Y009444D03*
+X012630Y008774D03*
+D14*
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+D15*
+X004150Y012988D03*
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+X015000Y006240D03*
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+D16*
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+X017526Y004514D03*
+X018274Y004514D03*
+X010674Y004064D03*
+X009926Y004064D03*
+X004174Y009564D03*
+X003426Y009564D03*
+X005376Y014564D03*
+X006124Y014564D03*
+D17*
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+X014250Y012741D03*
+D18*
+X014250Y010982D03*
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+D19*
+X017200Y009464D03*
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+X018200Y010964D03*
+X017200Y010464D03*
+X017200Y011464D03*
+X018200Y011964D03*
+D20*
+X020700Y012714D03*
+X020700Y008714D03*
+D21*
+X005004Y003814D03*
+X005004Y004864D03*
+X005004Y005864D03*
+X005004Y006914D03*
+X008696Y006914D03*
+X008696Y005864D03*
+X008696Y004864D03*
+X008696Y003814D03*
+D22*
+X001800Y008564D02*
+X001200Y008564D01*
+X001200Y009564D02*
+X001800Y009564D01*
+X001800Y010564D02*
+X001200Y010564D01*
+X001200Y011564D02*
+X001800Y011564D01*
+X001800Y012564D02*
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+X005350Y016664D02*
+X005350Y017264D01*
+X006350Y017264D02*
+X006350Y016664D01*
+X007350Y016664D02*
+X007350Y017264D01*
+X017350Y017114D02*
+X017350Y016514D01*
+X018350Y016514D02*
+X018350Y017114D01*
+D23*
+X016613Y004514D03*
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+D24*
+X020800Y005064D03*
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+X002300Y016064D03*
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+D25*
+X009250Y004064D03*
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+X013500Y006864D03*
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+X015200Y004514D03*
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+X013350Y010114D03*
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+X006500Y013714D03*
+X004150Y011564D03*
+X014250Y014964D03*
+X015850Y009914D03*
+M02*
diff --git a/gerber/tests/test_layers.py b/gerber/tests/test_layers.py
index 6cafecf..597c0d3 100644
--- a/gerber/tests/test_layers.py
+++ b/gerber/tests/test_layers.py
@@ -61,7 +61,8 @@ def test_guess_layer_class_regex():
Hint(layer='top',
ext=[],
name=[],
- regex=r'(.*)(\scopper top|\stop copper)$'
+ regex=r'(.*)(\scopper top|\stop copper)$',
+ content=[]
),
]
hints.extend(layer_hints)
@@ -70,6 +71,27 @@ def test_guess_layer_class_regex():
assert_equal(layer_class, guess_layer_class(filename))
+def test_guess_layer_class_by_content():
+ """ Test layer class by checking content
+ """
+
+ expected_layer_class = 'bottom'
+ filename = os.path.join(os.path.dirname(__file__),
+ 'resources/example_guess_by_content.g0')
+
+ layer_hints = [
+ Hint(layer='bottom',
+ ext=[],
+ name=[],
+ regex='',
+ content=['G04 Layer name: Bottom']
+ )
+ ]
+ hints.extend(layer_hints)
+
+ assert_equal(expected_layer_class, guess_layer_class_by_content(filename))
+
+
def test_sort_layers():
""" Test layer ordering
"""
generated by cgit (git 2.34.1) at 2024-11-09 15:19:20 +0000