diff options
Diffstat (limited to 'gerbonara/gerber/excellon.py')
| -rwxr-xr-x | gerbonara/gerber/excellon.py | 79 |
1 files changed, 39 insertions, 40 deletions
diff --git a/gerbonara/gerber/excellon.py b/gerbonara/gerber/excellon.py index 33a3670..0129867 100755 --- a/gerbonara/gerber/excellon.py +++ b/gerbonara/gerber/excellon.py @@ -18,16 +18,18 @@ import math import operator import warnings +import functools from enum import Enum from dataclasses import dataclass from collections import Counter from .cam import CamFile, FileSettings -from .excellon_statements import * -from .graphic_objects import Drill, Slot +from .graphic_objects import Flash, Line, Arc from .apertures import ExcellonTool from .utils import Inch, MM +def parse(data, settings=None): + return ExcellonFile.parse(data, settings=settings) class ExcellonContext: def __init__(self, settings, tools): @@ -48,7 +50,7 @@ class ExcellonContext: yield 'G05' def route_mode(self, unit, x, y): - x, y = self.unit.from(unit, x), self.unit.from(unit, y) + x, y = self.unit(x, unit), self.unit(y, unit) if self.mode == ProgramState.ROUTING and (self.x, self.y) == (x, y): return # nothing to do @@ -56,15 +58,15 @@ class ExcellonContext: yield 'G00' + 'X' + self.settings.write_gerber_value(x) + 'Y' + self.settings.write_gerber_value(y) def set_current_point(self, unit, x, y): - self.current_point = self.unit.from(unit, x), self.unit.from(unit, y) + self.current_point = self.unit(x, unit), self.unit(y, unit) class ExcellonFile(CamFile): - def __init__(self, filename=None) + def __init__(self, objects=None, comments=None, import_settings=None, filename=None): super().__init__(filename=filename) - self.objects = [] - self.comments = [] - self.import_settings = None + self.objects = objects or [] + self.comments = comments or [] + self.import_settings = import_settings def _generate_statements(self, settings): @@ -131,15 +133,17 @@ class ExcellonFile(CamFile): return len(self.objects) def split_by_plating(self): - plated, nonplated = ExcellonFile(self.filename), ExcellonFile(self.filename) - - plated.comments = self.comments.copy() - plated.import_settings = self.import_settings.copy() - plated.objects = [ obj for obj in self.objects if obj.plated ] - - nonplated.comments = self.comments.copy() - nonplated.import_settings = self.import_settings.copy() - nonplated.objects = [ obj for obj in self.objects if not obj.plated ] + plated = ExcellonFile( + comments = self.comments.copy(), + import_settings = self.import_settings.copy(), + objects = [ obj for obj in self.objects if obj.plated ], + filename = self.filename) + + nonplated = ExcellonFile( + comments = self.comments.copy(), + import_settings = self.import_settings.copy(), + objects = [ obj for obj in self.objects if not obj.plated ], + filename = self.filename) return nonplated, plated @@ -228,18 +232,16 @@ class ExcellonParser(object): self.drill_down = False self.is_plated = None - @property - def coordinates(self): - return [(stmt.x, stmt.y) for stmt in self.statements if isinstance(stmt, CoordinateStmt)] + @classmethod + def parse(kls, data, settings=None): + parser = kls(settings) + parser._do_parse(data) - def parse(self, filename): - with open(filename, 'r') as f: - data = f.read() - return self.parse_raw(data, filename) + return ExcellonFile(objects=parser.objects, comments=parser.comments, import_settings=settings) - def parse(self, filelike): + def _do_parse(self, data): leftover = None - for line in filelike: + for line in data.splitlines(): line = line.strip() if not line: @@ -266,7 +268,7 @@ class ExcellonParser(object): # NOTE: These must be kept before the generic comment handler at the end of this class so they match first. @exprs.match(';T(?P<index1>[0-9]+) Holesize (?P<index2>[0-9]+)\. = (?P<diameter>[0-9/.]+) Tolerance = \+[0-9/.]+/-[0-9/.]+ (?P<plated>PLATED|NON_PLATED|OPTIONAL) (?P<unit>MILS|MM) Quantity = [0-9]+') - def parse_allegro_tooldef(self, match) + def parse_allegro_tooldef(self, match): # NOTE: We ignore the given tolerances here since they are non-standard. self.program_state = ProgramState.HEADER # TODO is this needed? we need a test file. @@ -291,7 +293,7 @@ class ExcellonParser(object): self.tools[index] = ExcellonTool(diameter=diameter, plated=is_plated, unit=unit) # Searching Github I found that EasyEDA has two different variants of the unit specification here. - easyeda_comment = re.compile(';Holesize (?P<index>[0-9]+) = (?P<diameter>[.0-9]+) (?P<unit>INCH|inch|METRIC|mm)') + @exprs.match(';Holesize (?P<index>[0-9]+) = (?P<diameter>[.0-9]+) (?P<unit>INCH|inch|METRIC|mm)') def parse_easyeda_tooldef(self, match): unit = Inch if match['unit'].lower() == 'inch' else MM tool = ExcellonTool(diameter=float(match['diameter']), unit=unit, plated=self.is_plated) @@ -323,7 +325,10 @@ class ExcellonParser(object): self.active_tool = self.tools[index] - @exprs.match(r'R(?P<count>[0-9]+)' + xy_coord).match(line) + coord = lambda name, key=None: f'(?P<{key or name}>{name}[+-]?[0-9]*\.?[0-9]*)?' + xy_coord = coord('X') + coord('Y') + + @exprs.match(r'R(?P<count>[0-9]+)' + xy_coord) def handle_repeat_hole(self, match): if self.program_state == ProgramState.HEADER: return @@ -358,7 +363,7 @@ class ExcellonParser(object): @exprs.match('M95') @header_command - def handle_end_header(self, match) + def handle_end_header(self, match): self.program_state = ProgramState.DRILLING @exprs.match('M00') @@ -387,9 +392,6 @@ class ExcellonParser(object): # ignore. # TODO: maybe add warning if this is followed by other commands. - coord = lambda name, key=None: f'(?P<{key or name}>{name}[+-]?[0-9]*\.?[0-9]*)?' - xy_coord = coord('X') + coord('Y') - def do_move(self, match=None, x='X', y='Y'): x = settings.parse_gerber_value(match['X']) y = settings.parse_gerber_value(match['Y']) @@ -433,13 +435,10 @@ class ExcellonParser(object): if self.active_tool: return self.active_tool - if (self.active_tool := self.tools.get(1)): # FIXME is this necessary? It seems pretty dumb. - return self.active_tool - warnings.warn('Routing command found before first tool definition.', SyntaxWarning) return None - @exprs.match('(?P<mode>G01|G02|G03)' + xy_coord + aij_coord) + @exprs.match('(?P<mode>G01|G02|G03)' + xy_coord + coord('A') + coord('I') + coord('J')) def handle_linear_mode(self, match): if match['mode'] == 'G01': self.interpolation_mode = InterpMode.LINEAR @@ -450,7 +449,7 @@ class ExcellonParser(object): self.do_interpolation(match) def do_interpolation(self, match): - x, y, a, i, j = match['x'], match['y'], match['a'], match['i'], match['j'] + x, y, a, i, j = match['X'], match['Y'], match['A'], match['I'], match['J'] start, end = self.do_move(match) @@ -579,6 +578,6 @@ class ExcellonParser(object): self.program_state = ProgramState.HEADER @exprs.match(';(.*)') - def parse_comment(self, match) - target.comments.append(match[1].strip()) + def parse_comment(self, match): + self.comments.append(match[1].strip()) |