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-rw-r--r--gerbonara/cam.py30
-rw-r--r--gerbonara/graphic_primitives.py3
-rw-r--r--gerbonara/layer_rules.py4
-rw-r--r--gerbonara/layers.py66
-rw-r--r--gerbonara/rs274x.py2
-rw-r--r--gerbonara/tests/test_rs274x.py2
6 files changed, 86 insertions, 21 deletions
diff --git a/gerbonara/cam.py b/gerbonara/cam.py
index 27b49ce..3e00fb6 100644
--- a/gerbonara/cam.py
+++ b/gerbonara/cam.py
@@ -22,6 +22,9 @@ from dataclasses import dataclass
from copy import deepcopy
from enum import Enum
import string
+import shutil
+from pathlib import Path
+from functools import cached_property
from .utils import LengthUnit, MM, Inch, Tag, sum_bounds, setup_svg
from . import graphic_primitives as gp
@@ -246,6 +249,14 @@ class CamFile:
self.layer_name = layer_name
self.import_settings = import_settings
+ @property
+ def is_lazy(self):
+ return False
+
+ @property
+ def instance(self):
+ return self
+
def to_svg(self, margin=0, arg_unit=MM, svg_unit=MM, force_bounds=None, fg='black', bg='white', tag=Tag):
if force_bounds:
bounds = svg_unit.convert_bounds_from(arg_unit, force_bounds)
@@ -386,3 +397,22 @@ class CamFile:
""" Test if this file contains any objects """
return not self.is_empty
+class LazyCamFile:
+ def __init__(self, klass, path, *args, **kwargs):
+ self._class = klass
+ self.original_path = Path(path)
+ self._args = args
+ self._kwargs = kwargs
+
+ @cached_property
+ def instance(self):
+ return self._class.open(self.original_path, *self._args, **self._kwargs)
+
+ @property
+ def is_lazy(self):
+ return True
+
+ def save(self, filename, *args, **kwargs):
+ """ Copy this Gerber file to the new path. """
+ shutil.copy(self.original_path, filename)
+
diff --git a/gerbonara/graphic_primitives.py b/gerbonara/graphic_primitives.py
index df49327..bfb1e89 100644
--- a/gerbonara/graphic_primitives.py
+++ b/gerbonara/graphic_primitives.py
@@ -207,13 +207,14 @@ class Arc(GraphicPrimitive):
dx, dy = self.x1 - self.cx, self.y1 - self.cy
x1 = self.x1 + dx/arc_r * r
y1 = self.y1 + dy/arc_r * r
-
+
# same for C -> P2
dx, dy = self.x2 - self.cx, self.y2 - self.cy
x2 = self.x2 + dx/arc_r * r
y2 = self.y2 + dy/arc_r * r
arc = arc_bounds(x1, y1, x2, y2, self.cx, self.cy, self.clockwise)
+
return add_bounds(endpoints, arc) # FIXME add "include_center" switch
def to_svg(self, fg='black', bg='white', tag=Tag):
diff --git a/gerbonara/layer_rules.py b/gerbonara/layer_rules.py
index c77c198..6a53f4e 100644
--- a/gerbonara/layer_rules.py
+++ b/gerbonara/layer_rules.py
@@ -39,11 +39,11 @@ MATCH_RULES = {
'kicad': {
'top copper': r'.*\.gtl|.*f.cu.(gbr|gtl)',
'top mask': r'.*\.gts|.*f.mask.(gbr|gts)',
- 'top silk': r'.*\.gto|.*f.silks.(gbr|gto)',
+ 'top silk': r'.*\.gto|.*f.silks(creen)?.(gbr|gto)',
'top paste': r'.*\.gtp|.*f.paste.(gbr|gtp)',
'bottom copper': r'.*\.gbl|.*b.cu.(gbr|gbl)',
'bottom mask': r'.*\.gbs|.*b.mask.(gbr|gbs)',
- 'bottom silk': r'.*\.gbo|.*b.silks.(gbr|gbo)',
+ 'bottom silk': r'.*\.gbo|.*b.silks(creen)?.(gbr|gbo)',
'bottom paste': r'.*\.gbp|.*b.paste.(gbr|gbp)',
'inner copper': r'.*\.gp?([0-9]+)|.*inn?e?r?([0-9]+).cu.(?:gbr|g[0-9]+)',
'mechanical outline': r'.*\.(gm[0-9]+)|.*edge.cuts.(gbr|gm1)',
diff --git a/gerbonara/layers.py b/gerbonara/layers.py
index b79f474..9f42be8 100644
--- a/gerbonara/layers.py
+++ b/gerbonara/layers.py
@@ -21,13 +21,15 @@ import os
import re
import warnings
import copy
+import itertools
from collections import namedtuple
from pathlib import Path
+from zipfile import ZipFile, is_zipfile
from .excellon import ExcellonFile, parse_allegro_ncparam, parse_allegro_logfile
from .rs274x import GerberFile
from .ipc356 import Netlist
-from .cam import FileSettings
+from .cam import FileSettings, LazyCamFile
from .layer_rules import MATCH_RULES
from .utils import sum_bounds, setup_svg, MM, Tag
@@ -208,13 +210,40 @@ class LayerStack:
self.netlist = netlist
@classmethod
- def from_directory(kls, directory, board_name=None):
+ def open(kls, path, board_name=None, lazy=False):
+ path = Path(path)
+ if path.is_dir():
+ return kls.from_directory(path, board_name=board_name, lazy=lazy)
+ elif path.suffix.lower() == '.zip' or is_zipfile(path):
+ return kls.from_zipfile(path, board_name=board_name, lazy=lazy)
+ else:
+ return kls.from_files([path], board_name=board_name, lazy=lazy)
+
+ @classmethod
+ def from_zipfile(kls, filename, board_name=None, lazy=False):
+ tmpdir = tempfile.TemporaryDirectory()
+ tmp_indir = Path(tmpdir) / dirname
+ tmp_indir.mkdir()
+
+ with ZipFile(source) as f:
+ f.extractall(path=tmp_indir)
+
+ inst = kls.from_directory(tmp_indir, board_name=board_name, lazy=lazy)
+ inst.tmpdir = tmpdir
+ return inst
+
+ @classmethod
+ def from_directory(kls, directory, board_name=None, lazy=False):
directory = Path(directory)
if not directory.is_dir():
raise FileNotFoundError(f'{directory} is not a directory')
files = [ path for path in directory.glob('**/*') if path.is_file() ]
+ return kls.from_files(files, board_name=board_name, lazy=lazy)
+
+ @classmethod
+ def from_files(kls, files, board_name=None, lazy=False):
generator, filemap = best_match(files)
if sum(len(files) for files in filemap.values()) < 6:
@@ -290,7 +319,7 @@ class LayerStack:
id_result = identify_file(path.read_text())
if 'netlist' in key:
- layer = Netlist.open(path)
+ layer = LazyCamFile(Netlist, path)
elif ('outline' in key or 'drill' in key) and id_result != 'gerber':
if id_result is None:
@@ -304,10 +333,13 @@ class LayerStack:
plated = True
else:
plated = None
- layer = ExcellonFile.open(path, plated=plated, settings=excellon_settings, external_tools=external_tools)
+ layer = LazyCamFile(ExcellonFile, path, plated=plated, settings=excellon_settings, external_tools=external_tools)
else:
- layer = GerberFile.open(path)
+ layer = LazyCamFile(GerberFile, path)
+
+ if not lazy:
+ layer = layer.open()
if key == 'mechanical outline':
layers['mechanical', 'outline'] = layer
@@ -325,10 +357,11 @@ class LayerStack:
side, _, use = key.partition(' ')
layers[(side, use)] = layer
- hints = set(layer.generator_hints) | { generator }
- if len(hints) > 1:
- warnings.warn('File identification returned ambiguous results. Please raise an issue on the gerbonara '
- 'tracker and if possible please provide these input files for reference.')
+ if not lazy:
+ hints = set(layer.generator_hints) | { generator }
+ if len(hints) > 1:
+ warnings.warn('File identification returned ambiguous results. Please raise an issue on the '
+ 'gerbonara tracker and if possible please provide these input files for reference.')
board_name = common_prefix([l.original_path.name for l in layers.values() if l is not None])
board_name = re.sub(r'^\W+', '', board_name)
@@ -431,29 +464,30 @@ class LayerStack:
if force_bounds:
bounds = svg_unit.convert_bounds_from(arg_unit, force_bounds)
else:
- bounds = self.bounding_box(svg_unit, default=((0, 0), (0, 0)))
+ bounds = self.outline.instance.bounding_box(svg_unit, default=((0, 0), (0, 0)))
tags = []
- for use, color in {'copper': 'black', 'mask': 'blue', 'silk': 'red'}:
+ for use, color in {'copper': 'black', 'mask': 'blue', 'silk': 'red'}.items():
if (side, use) not in self:
+ warnings.warn(f'Layer "{side} {use}" not found. Found layers: {", ".join(side + " " + use for side, use in self.graphic_layers)}')
continue
layer = self[(side, use)]
- tags.append(tag('g', list(layer.svg_objects(svg_unit=svg_unit, fg=color, bg="white", tag=Tag)),
+ tags.append(tag('g', list(layer.instance.svg_objects(svg_unit=svg_unit, fg=color, bg="white", tag=Tag)),
id=f'l-{side}-{use}'))
for i, layer in enumerate(self.drill_layers):
- tags.append(tag('g', list(layer.svg_objects(svg_unit=svg_unit, fg='magenta', bg="white", tag=Tag)),
- id=f'l-{drill}-{i}'))
+ tags.append(tag('g', list(layer.instance.svg_objects(svg_unit=svg_unit, fg='magenta', bg="white", tag=Tag)),
+ id=f'l-drill-{i}'))
- return setup_svg(tags, bounds, margin=margin, arg_unit=arg_unit, svg_unit=svg_unit, pagecolor=bg, tag=tag)
+ return setup_svg(tags, bounds, margin=margin, arg_unit=arg_unit, svg_unit=svg_unit, pagecolor="white", tag=tag)
def bounding_box(self, unit=MM, default=None):
return sum_bounds(( layer.bounding_box(unit, default=default)
- for layer in (self.graphic_layers + self.drill_layers) ), default=default)
+ for layer in itertools.chain(self.graphic_layers.values(), self.drill_layers) ), default=default)
def merge_drill_layers(self):
target = ExcellonFile(comments='Drill files merged by gerbonara')
diff --git a/gerbonara/rs274x.py b/gerbonara/rs274x.py
index ea1ea1d..5bfcc3f 100644
--- a/gerbonara/rs274x.py
+++ b/gerbonara/rs274x.py
@@ -533,7 +533,7 @@ class GerberParser:
'eof': r"M0?[02]",
'ignored': r"(?P<stmt>M01)",
# NOTE: The official spec says names can be empty or contain commas. I think that doesn't make sense.
- 'attribute': r"(?P<eagle_garbage>G04 #@! %)?(?P<type>TF|TA|TO|TD)(?P<name>[._$a-zA-Z][._$a-zA-Z0-9]*)(,(?P<value>.*))",
+ 'attribute': r"(?P<eagle_garbage>G04 #@! %)?(?P<type>TF|TA|TO|TD)(?P<name>[._$a-zA-Z][._$a-zA-Z0-9]*)?(,(?P<value>.*))?",
# Eagle file attributes handled above.
'comment': r"G0?4(?P<comment>[^*]*)",
}
diff --git a/gerbonara/tests/test_rs274x.py b/gerbonara/tests/test_rs274x.py
index 5a3916a..5d3a0c7 100644
--- a/gerbonara/tests/test_rs274x.py
+++ b/gerbonara/tests/test_rs274x.py
@@ -449,7 +449,7 @@ def test_compositing(file_a, file_b, angle, offset, tmpfile, print_on_error):
@filter_syntax_warnings
@pytest.mark.parametrize('reference', REFERENCE_FILES, indirect=True)
-def test_svg_export(reference, tmpfile):
+def test_svg_export_gerber(reference, tmpfile):
if reference.name in ('silkscreen_bottom.gbr', 'silkscreen_top.gbr', 'top_silk.GTO'):
# Some weird svg rendering artifact. Might be caused by mismatching svg units between gerbv and us. Result looks
# fine though.