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authorjaseg <git@jaseg.de>2022-01-21 21:41:16 +0100
committerjaseg <git@jaseg.de>2022-01-21 21:41:16 +0100
commitfd8a259fb00af3e5b516ca3a94ecf54178920b92 (patch)
tree6a6a074d71a00b1bd464a03e95f7af5dcfccf07b /gerbonara/gerber
parent002d1ed0cfad09d444c086398823f2769008bbe2 (diff)
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Add allegro gerber comment parser
Diffstat (limited to 'gerbonara/gerber')
-rw-r--r--gerbonara/gerber/layers.py2
-rw-r--r--gerbonara/gerber/rs274x.py31
2 files changed, 32 insertions, 1 deletions
diff --git a/gerbonara/gerber/layers.py b/gerbonara/gerber/layers.py
index 26dd9c1..bb72ff0 100644
--- a/gerbonara/gerber/layers.py
+++ b/gerbonara/gerber/layers.py
@@ -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:
diff --git a/gerbonara/gerber/rs274x.py b/gerbonara/gerber/rs274x.py
index a572d94..a1cd207 100644
--- a/gerbonara/gerber/rs274x.py
+++ b/gerbonara/gerber/rs274x.py
@@ -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(