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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2014 Hamilton Kibbe <ham@hamiltonkib.be>
# 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.
def read(filename):
""" Read a gerber or excellon file and return a representative object.
Parameters
----------
filename : string
Filename of the file to read.
Returns
-------
file : CncFile subclass
CncFile object representing the file, either GerberFile or
ExcellonFile. Returns None if file is not an Excellon or Gerber file.
"""
from . import rs274x
from . import excellon
from .utils import detect_file_format
fmt = detect_file_format(filename)
if fmt == 'rs274x':
return rs274x.read(filename)
elif fmt == 'excellon':
return excellon.read(filename)
else:
raise TypeError('Unable to detect file format')
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