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authorjaseg <git@jaseg.de>2021-06-13 15:00:17 +0200
committerjaseg <git@jaseg.de>2021-06-13 15:00:17 +0200
commit4eb0e063bcd34c21b737023aa6ed5baed80658d1 (patch)
tree3a56ef7d05f4f64cde930f2432119986e4aab49d /gerber/excellon_tool.py
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Repo re-org, make gerberex tests run
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diff --git a/gerber/excellon_tool.py b/gerber/excellon_tool.py
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-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# Copyright 2015 Garret Fick <garret@ficksworkshop.com>
-
-# 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<size>[0-9/.]+)\s+(?P<plated>P|N)\s+T(?P<toolid>[0-9]{2})\s+(?P<xtol>[0-9/.]+)\s+(?P<ytol>[0-9/.]+)')
- allegro_comment_mils = re.compile('Holesize (?P<toolid>[0-9]{1,2})\. = (?P<size>[0-9/.]+) Tolerance = \+(?P<xtol>[0-9/.]+)/-(?P<ytol>[0-9/.]+) (?P<plated>(PLATED)|(NON_PLATED)|(OPTIONAL)) MILS Quantity = [0-9]+')
- allegro2_comment_mils = re.compile('T(?P<toolid>[0-9]{1,2}) Holesize (?P<toolid2>[0-9]{1,2})\. = (?P<size>[0-9/.]+) Tolerance = \+(?P<xtol>[0-9/.]+)/-(?P<ytol>[0-9/.]+) (?P<plated>(PLATED)|(NON_PLATED)|(OPTIONAL)) MILS Quantity = [0-9]+')
- allegro_comment_mm = re.compile('Holesize (?P<toolid>[0-9]{1,2})\. = (?P<size>[0-9/.]+) Tolerance = \+(?P<xtol>[0-9/.]+)/-(?P<ytol>[0-9/.]+) (?P<plated>(PLATED)|(NON_PLATED)|(OPTIONAL)) MM Quantity = [0-9]+')
- allegro2_comment_mm = re.compile('T(?P<toolid>[0-9]{1,2}) Holesize (?P<toolid2>[0-9]{1,2})\. = (?P<size>[0-9/.]+) Tolerance = \+(?P<xtol>[0-9/.]+)/-(?P<ytol>[0-9/.]+) (?P<plated>(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):
- 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'))
- platedstr = 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)
-
- 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
-
- 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
-
-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