dc32af21f7
Since project name has changed to steth, name and path should be changed too. Change-Id: I83590ec90e1c3f4fac1faa3b842a9079b248488d
56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
# Copyright 2015 UnitedStack, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import six
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import sys
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def safe_decode(text, incoming=None, errors='strict'):
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"""Decodes incoming str using `incoming` if they're not already unicode.
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:param incoming: Text's current encoding
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:param errors: Errors handling policy. See here for valid
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values http://docs.python.org/2/library/codecs.html
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:returns: text or a unicode `incoming` encoded
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representation of it.
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:raises TypeError: If text is not an isntance of str
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"""
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if not isinstance(text, six.string_types):
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raise TypeError("%s can't be decoded" % type(text))
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if isinstance(text, six.text_type):
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return text
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if not incoming:
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incoming = (sys.stdin.encoding or
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sys.getdefaultencoding())
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try:
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return text.decode(incoming, errors)
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except UnicodeDecodeError:
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# Note(flaper87) If we get here, it means that
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# sys.stdin.encoding / sys.getdefaultencoding
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# didn't return a suitable encoding to decode
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# text. This happens mostly when global LANG
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# var is not set correctly and there's no
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# default encoding. In this case, most likely
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# python will use ASCII or ANSI encoders as
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# default encodings but they won't be capable
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# of decoding non-ASCII characters.
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#
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# Also, UTF-8 is being used since it's an ASCII
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# extension.
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return text.decode('utf-8', errors)
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