From 4e838df32ac6d283429e30d2a3151b7d7e8e82b2 Mon Sep 17 00:00:00 2001 From: Garret Fick Date: Sat, 19 Dec 2015 11:44:12 +0800 Subject: Parse misc nc drill files --- gerber/excellon_tool.py | 111 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 gerber/excellon_tool.py (limited to 'gerber/excellon_tool.py') diff --git a/gerber/excellon_tool.py b/gerber/excellon_tool.py new file mode 100644 index 0000000..b7d67d4 --- /dev/null +++ b/gerber/excellon_tool.py @@ -0,0 +1,111 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +# Copyright 2015 Garret Fick + +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at + +# http://www.apache.org/licenses/LICENSE-2.0 + +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +""" +Excellon Tool Definition File module +==================== +**Excellon file classes** + +This module provides Excellon file classes and parsing utilities +""" + +import re +try: + from cStringIO import StringIO +except(ImportError): + from io import StringIO + +from .excellon_statements import ExcellonTool + +def loads(data, settings=None): + """ Read tool file information and return a map of tools + Parameters + ---------- + data : string + string containing Excellon Tool Definition file contents + + Returns + ------- + dict tool name: ExcellonTool + + """ + return ExcellonToolDefinitionParser(settings).parse_raw(data) + +class ExcellonToolDefinitionParser(object): + """ Excellon File Parser + + Parameters + ---------- + None + """ + + allegro_tool = re.compile(r'(?P[0-9/.]+)\s+(?PP|N)\s+T(?P[0-9]{2})\s+(?P[0-9/.]+)\s+(?P[0-9/.]+)') + allegro_comment_mils = re.compile('Holesize (?P[0-9]{1,2})\. = (?P[0-9/.]+) Tolerance = \+(?P[0-9/.]+)/-(?P[0-9/.]+) (?P(PLATED)|(NON_PLATED)) MILS Quantity = [0-9]+') + allegro_comment_mm = re.compile('Holesize (?P[0-9]{1,2})\. = (?P[0-9/.]+) Tolerance = \+(?P[0-9/.]+)/-(?P[0-9/.]+) (?P(PLATED)|(NON_PLATED)) MM Quantity = [0-9]+') + + matchers = [ + (allegro_tool, 'mils'), + (allegro_comment_mils, 'mils'), + (allegro_comment_mils, 'mm'), + ] + + def __init__(self, settings=None): + self.tools = {} + self.settings = settings + + def parse_raw(self, data): + for line in StringIO(data): + self._parse(line.strip()) + + return self.tools + + def _parse(self, line): + + for matcher in ExcellonToolDefinitionParser.matchers: + m = matcher[0].match(line) + if m: + unit = matcher[1] + + size = float(m.group('size')) + plated = m.group('plated') + toolid = int(m.group('toolid')) + xtol = float(m.group('xtol')) + ytol = float(m.group('ytol')) + + size = self._convert_length(size, unit) + xtol = self._convert_length(xtol, unit) + ytol = self._convert_length(ytol, unit) + + tool = ExcellonTool(None, number=toolid, diameter=size) + + self.tools[tool.number] = tool + + break + + def _convert_length(self, value, unit): + + # Convert the value to mm + if unit == 'mils': + value /= 39.3700787402 + + # Now convert to the settings unit + if self.settings.units == 'inch': + return value / 25.4 + else: + # Already in mm + return value + \ No newline at end of file -- cgit From ca3c682da59bd83c460a3e51ed3a80280f909d49 Mon Sep 17 00:00:00 2001 From: Garret Fick Date: Mon, 28 Dec 2015 11:34:54 +0800 Subject: Wrongly using mil def for mm --- gerber/excellon_tool.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'gerber/excellon_tool.py') diff --git a/gerber/excellon_tool.py b/gerber/excellon_tool.py index b7d67d4..31d72d5 100644 --- a/gerber/excellon_tool.py +++ b/gerber/excellon_tool.py @@ -60,7 +60,7 @@ class ExcellonToolDefinitionParser(object): matchers = [ (allegro_tool, 'mils'), (allegro_comment_mils, 'mils'), - (allegro_comment_mils, 'mm'), + (allegro_comment_mm, 'mm'), ] def __init__(self, settings=None): -- cgit From 7053d320f0b3e9404edb4c05710001ea58d44995 Mon Sep 17 00:00:00 2001 From: Garret Fick Date: Sun, 13 Mar 2016 14:27:09 +0800 Subject: Better detection of plated tools --- gerber/excellon_tool.py | 85 ++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 80 insertions(+), 5 deletions(-) (limited to 'gerber/excellon_tool.py') diff --git a/gerber/excellon_tool.py b/gerber/excellon_tool.py index 31d72d5..bd76e54 100644 --- a/gerber/excellon_tool.py +++ b/gerber/excellon_tool.py @@ -54,13 +54,17 @@ class ExcellonToolDefinitionParser(object): """ allegro_tool = re.compile(r'(?P[0-9/.]+)\s+(?PP|N)\s+T(?P[0-9]{2})\s+(?P[0-9/.]+)\s+(?P[0-9/.]+)') - allegro_comment_mils = re.compile('Holesize (?P[0-9]{1,2})\. = (?P[0-9/.]+) Tolerance = \+(?P[0-9/.]+)/-(?P[0-9/.]+) (?P(PLATED)|(NON_PLATED)) MILS Quantity = [0-9]+') - allegro_comment_mm = re.compile('Holesize (?P[0-9]{1,2})\. = (?P[0-9/.]+) Tolerance = \+(?P[0-9/.]+)/-(?P[0-9/.]+) (?P(PLATED)|(NON_PLATED)) MM Quantity = [0-9]+') + allegro_comment_mils = re.compile('Holesize (?P[0-9]{1,2})\. = (?P[0-9/.]+) Tolerance = \+(?P[0-9/.]+)/-(?P[0-9/.]+) (?P(PLATED)|(NON_PLATED)|(OPTIONAL)) MILS Quantity = [0-9]+') + allegro2_comment_mils = re.compile('T(?P[0-9]{1,2}) Holesize (?P[0-9]{1,2})\. = (?P[0-9/.]+) Tolerance = \+(?P[0-9/.]+)/-(?P[0-9/.]+) (?P(PLATED)|(NON_PLATED)|(OPTIONAL)) MILS Quantity = [0-9]+') + allegro_comment_mm = re.compile('Holesize (?P[0-9]{1,2})\. = (?P[0-9/.]+) Tolerance = \+(?P[0-9/.]+)/-(?P[0-9/.]+) (?P(PLATED)|(NON_PLATED)|(OPTIONAL)) MM Quantity = [0-9]+') + allegro2_comment_mm = re.compile('T(?P[0-9]{1,2}) Holesize (?P[0-9]{1,2})\. = (?P[0-9/.]+) Tolerance = \+(?P[0-9/.]+)/-(?P[0-9/.]+) (?P(PLATED)|(NON_PLATED)|(OPTIONAL)) MM Quantity = [0-9]+') matchers = [ (allegro_tool, 'mils'), (allegro_comment_mils, 'mils'), + (allegro2_comment_mils, 'mils'), (allegro_comment_mm, 'mm'), + (allegro2_comment_mm, 'mm'), ] def __init__(self, settings=None): @@ -81,7 +85,7 @@ class ExcellonToolDefinitionParser(object): unit = matcher[1] size = float(m.group('size')) - plated = m.group('plated') + platedstr = m.group('plated') toolid = int(m.group('toolid')) xtol = float(m.group('xtol')) ytol = float(m.group('ytol')) @@ -90,7 +94,16 @@ class ExcellonToolDefinitionParser(object): xtol = self._convert_length(xtol, unit) ytol = self._convert_length(ytol, unit) - tool = ExcellonTool(None, number=toolid, diameter=size) + if platedstr == 'PLATED': + plated = ExcellonTool.PLATED_YES + elif platedstr == 'NON_PLATED': + plated = ExcellonTool.PLATED_NO + elif platedstr == 'OPTIONAL': + plated = ExcellonTool.PLATED_OPTIONAL + else: + plated = ExcellonTool.PLATED_UNKNOWN + + tool = ExcellonTool(None, number=toolid, diameter=size, plated=plated) self.tools[tool.number] = tool @@ -108,4 +121,66 @@ class ExcellonToolDefinitionParser(object): else: # Already in mm return value - \ No newline at end of file + +def loads_rep(data, settings=None): + """ Read tool report information generated by PADS and return a map of tools + Parameters + ---------- + data : string + string containing Excellon Report file contents + + Returns + ------- + dict tool name: ExcellonTool + + """ + return ExcellonReportParser(settings).parse_raw(data) + +class ExcellonReportParser(object): + + # We sometimes get files with different encoding, so we can't actually + # match the text - the best we can do it detect the table header + header = re.compile(r'====\s+====\s+====\s+====\s+=====\s+===') + + def __init__(self, settings=None): + self.tools = {} + self.settings = settings + + self.found_header = False + + def parse_raw(self, data): + for line in StringIO(data): + self._parse(line.strip()) + + return self.tools + + def _parse(self, line): + + # skip empty lines and "comments" + if not line.strip(): + return + + if not self.found_header: + # Try to find the heaader, since we need that to be sure we understand the contents correctly. + if ExcellonReportParser.header.match(line): + self.found_header = True + + elif line[0] != '=': + # Already found the header, so we know to to map the contents + parts = line.split() + if len(parts) == 6: + toolid = int(parts[0]) + size = float(parts[1]) + if parts[2] == 'x': + plated = ExcellonTool.PLATED_YES + elif parts[2] == '-': + plated = ExcellonTool.PLATED_NO + else: + plated = ExcellonTool.PLATED_UNKNOWN + feedrate = int(parts[3]) + speed = int(parts[4]) + qty = int(parts[5]) + + tool = ExcellonTool(None, number=toolid, diameter=size, plated=plated, feed_rate=feedrate, rpm=speed) + + self.tools[tool.number] = tool \ No newline at end of file -- cgit