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Add allegro gerber comment parser

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jaseg 2022-01-21 21:41:16 +01:00
parent 002d1ed0cf
commit fd8a259fb0
2 changed files with 32 additions and 1 deletions
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2
gerbonara/gerber/layers.py
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@ -174,6 +174,7 @@ class LayerStack:
filemap = autoguess([ f for files in filemap for f in files ])
if len(filemap < 6):
raise SystemError('Cannot figure out gerber file mapping')
# FIXME use layer metadata from comments and ipc file if available
else:
excellon_settings = None
@ -236,6 +237,7 @@ class LayerStack:
self.drill_layers = [target]
def normalize_drill_layers(self):
# TODO: maybe also separate into drill and route?
drill_pth, drill_npth, drill_aux = [], [], []
for layer in self.drill_layers:

31
gerbonara/gerber/rs274x.py
View file

@ -556,6 +556,8 @@ class GerberParser:
self.multi_quadrant_mode = None # used only for syntax checking
self.macros = {}
self.last_operation = None
self.generator_hints = []
self.layer_hints = []
@classmethod
def _split_commands(kls, data):
@ -800,7 +802,34 @@ class GerberParser:
self.graphics_state.scale_factor = a, b
def _parse_comment(self, match):
self.target.comments.append(match["comment"])
cmt = match["comment"].strip()
# Parse metadata from allegro comments
# We do this for layer identification since allegro files usually do not follow any defined naming scheme
if cmt.startswith('File Origin:') and 'Allegro' in cmt:
self.generator_hints.append('allegro')
elif cmt.startswith('Layer:'):
if 'BOARD GEOMETRY' in cmt:
if 'SOLDERMASK_TOP' in cmt:
self.layer_hints.append('top mask')
if 'SOLDERMASK_BOTTOM' in cmt:
self.layer_hints.append('bottom mask')
if 'PASTEMASK_TOP' in cmt:
self.layer_hints.append('top paste')
if 'PASTEMASK_BOTTOM' in cmt:
self.layer_hints.append('bottom paste')
if 'SILKSCREEN_TOP' in cmt:
self.layer_hints.append('top silk')
if 'SILKSCREEN_BOTTOM' in cmt:
self.layer_hints.append('bottom silk')
elif 'ETCH' in cmt:
_1, _2, name = cmt.partition('/')
name = re.sub('\W+', '_', name)
self.layer_hints.append(f'{name} copper')
else:
self.target.comments.append(cmt)
def _parse_region_start(self, _match):
self.current_region = go.Region(