74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
#! /usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2014 Hamilton Kibbe <ham@hamiltonkib.be>
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from . import rs274x
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from . import excellon
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from . import ipc356
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from .exceptions import ParseError
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from .utils import detect_file_format
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def read(filename):
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""" Read a gerber or excellon file and return a representative object.
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Parameters
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----------
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filename : string
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Filename of the file to read.
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Returns
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-------
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file : CncFile subclass
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CncFile object representing the file, either GerberFile or
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ExcellonFile. Returns None if file is not an Excellon or Gerber file.
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"""
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with open(filename, 'rU') as f:
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data = f.read()
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fmt = detect_file_format(data)
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if fmt == 'rs274x':
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return rs274x.read(filename)
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elif fmt == 'excellon':
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return excellon.read(filename)
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elif fmt == 'ipc_d_356':
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return ipc356.read(filename)
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else:
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raise ParseError('Unable to detect file format')
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def loads(data):
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""" Read gerber or excellon file contents from a string and return a
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representative object.
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Parameters
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----------
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data : string
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gerber or excellon file contents as a string.
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Returns
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-------
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file : CncFile subclass
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CncFile object representing the file, either GerberFile or
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ExcellonFile. Returns None if file is not an Excellon or Gerber file.
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"""
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fmt = detect_file_format(data)
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if fmt == 'rs274x':
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return rs274x.loads(data)
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elif fmt == 'excellon':
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return excellon.loads(data)
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else:
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raise TypeError('Unable to detect file format')
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