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authorGarret Fick <garret@ficksworkshop.com>2015-12-19 11:44:12 +0800
committerGarret Fick <garret@ficksworkshop.com>2015-12-19 11:44:12 +0800
commit4e838df32ac6d283429e30d2a3151b7d7e8e82b2 (patch)
treed9aa04ae862f9d694de4aebd3f9440a9d0681cac /gerber/excellon_settings.py
parent206f4c57ab66f8a6753015340315991b40178c9b (diff)
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Parse misc nc drill files
Diffstat (limited to 'gerber/excellon_settings.py')
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diff --git a/gerber/excellon_settings.py b/gerber/excellon_settings.py
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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+from argparse import PARSER
+
+# 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 Settings 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 .cam import FileSettings
+
+def loads(data):
+ """ Read settings file information and return an FileSettings
+ Parameters
+ ----------
+ data : string
+ string containing Excellon settings file contents
+
+ Returns
+ -------
+ file settings: FileSettings
+
+ """
+
+ return ExcellonSettingsParser().parse_raw(data)
+
+def map_coordinates(value):
+ if value == 'ABSOLUTE':
+ return 'absolute'
+ return 'relative'
+
+def map_units(value):
+ if value == 'ENGLISH':
+ return 'inch'
+ return 'metric'
+
+def map_boolean(value):
+ return value == 'YES'
+
+SETTINGS_KEYS = {
+ 'INTEGER-PLACES': (int, 'format-int'),
+ 'DECIMAL-PLACES': (int, 'format-dec'),
+ 'COORDINATES': (map_coordinates, 'notation'),
+ 'OUTPUT-UNITS': (map_units, 'units'),
+ }
+
+class ExcellonSettingsParser(object):
+ """Excellon Settings PARSER
+
+ Parameters
+ ----------
+ None
+ """
+
+ def __init__(self):
+ self.values = {}
+ self.settings = None
+
+ def parse_raw(self, data):
+ for line in StringIO(data):
+ self._parse(line.strip())
+
+ # Create the FileSettings object
+ self.settings = FileSettings(
+ notation=self.values['notation'],
+ units=self.values['units'],
+ format=(self.values['format-int'], self.values['format-dec'])
+ )
+
+ return self.settings
+
+ def _parse(self, line):
+
+ line_items = line.split()
+ if len(line_items) == 2:
+
+ item_type_info = SETTINGS_KEYS.get(line_items[0])
+ if item_type_info:
+ # Convert the value to the expected type
+ item_value = item_type_info[0](line_items[1])
+
+ self.values[item_type_info[1]] = item_value \ No newline at end of file