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# Copyright (c) 2012 Amazon.com, Inc. or its affiliates. All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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#
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import os
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# This allows boto modules to say "from boto.compat import json". This is
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# preferred so that all modules don't have to repeat this idiom.
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try:
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import simplejson as json
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except ImportError:
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import json
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# Switch to use encodebytes, which deprecates encodestring in Python 3
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try:
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from base64 import encodebytes
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except ImportError:
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from base64 import encodestring as encodebytes
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# If running in Google App Engine there is no "user" and
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# os.path.expanduser() will fail. Attempt to detect this case and use a
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# no-op expanduser function in this case.
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try:
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os.path.expanduser('~')
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expanduser = os.path.expanduser
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except (AttributeError, ImportError):
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# This is probably running on App Engine.
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expanduser = (lambda x: x)
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from boto.vendored import six
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from boto.vendored.six import BytesIO, StringIO
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from boto.vendored.six.moves import filter, http_client, map, _thread, \
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urllib, zip
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from boto.vendored.six.moves.queue import Queue
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from boto.vendored.six.moves.urllib.parse import parse_qs, quote, unquote, \
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urlparse, urlsplit
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from boto.vendored.six.moves.urllib.parse import unquote_plus
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from boto.vendored.six.moves.urllib.request import urlopen
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if six.PY3:
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# StandardError was removed, so use the base exception type instead
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StandardError = Exception
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long_type = int
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from configparser import ConfigParser, NoOptionError, NoSectionError
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unquote_str = unquote_plus
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parse_qs_safe = parse_qs
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else:
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StandardError = StandardError
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long_type = long
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from ConfigParser import SafeConfigParser as ConfigParser
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from ConfigParser import NoOptionError, NoSectionError
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def unquote_str(value, encoding='utf-8'):
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# In python2, unquote() gives us a string back that has the urldecoded
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# bits, but not the unicode parts. We need to decode this manually.
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# unquote has special logic in which if it receives a unicode object it
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# will decode it to latin1. This is hard coded. To avoid this, we'll
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# encode the string with the passed in encoding before trying to
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# unquote it.
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byte_string = value.encode(encoding)
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return unquote_plus(byte_string).decode(encoding)
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# These are the same default arguments for python3's
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# urllib.parse.parse_qs.
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def parse_qs_safe(qs, keep_blank_values=False, strict_parsing=False,
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encoding='utf-8', errors='replace'):
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"""Parse a query handling unicode arguments properly in Python 2."""
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is_text_type = isinstance(qs, six.text_type)
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if is_text_type:
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# URL encoding uses ASCII code points only.
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qs = qs.encode('ascii')
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qs_dict = parse_qs(qs, keep_blank_values, strict_parsing)
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if is_text_type:
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# Decode the parsed dictionary back to unicode.
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result = {}
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for (name, value) in qs_dict.items():
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decoded_name = name.decode(encoding, errors)
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decoded_value = [item.decode(encoding, errors)
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for item in value]
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result[decoded_name] = decoded_value
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return result
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return qs_dict
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