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comparison planemo/lib/python3.7/site-packages/boto/compat.py @ 0:d30785e31577 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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1 # Copyright (c) 2012 Amazon.com, Inc. or its affiliates. All Rights Reserved
2 #
3 # Permission is hereby granted, free of charge, to any person obtaining a
4 # copy of this software and associated documentation files (the
5 # "Software"), to deal in the Software without restriction, including
6 # without limitation the rights to use, copy, modify, merge, publish, dis-
7 # tribute, sublicense, and/or sell copies of the Software, and to permit
8 # persons to whom the Software is furnished to do so, subject to the fol-
9 # lowing conditions:
10 #
11 # The above copyright notice and this permission notice shall be included
12 # in all copies or substantial portions of the Software.
13 #
14 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
16 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
17 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
20 # IN THE SOFTWARE.
21 #
22 import os
23
24 # This allows boto modules to say "from boto.compat import json". This is
25 # preferred so that all modules don't have to repeat this idiom.
26 try:
27 import simplejson as json
28 except ImportError:
29 import json
30
31
32 # Switch to use encodebytes, which deprecates encodestring in Python 3
33 try:
34 from base64 import encodebytes
35 except ImportError:
36 from base64 import encodestring as encodebytes
37
38
39 # If running in Google App Engine there is no "user" and
40 # os.path.expanduser() will fail. Attempt to detect this case and use a
41 # no-op expanduser function in this case.
42 try:
43 os.path.expanduser('~')
44 expanduser = os.path.expanduser
45 except (AttributeError, ImportError):
46 # This is probably running on App Engine.
47 expanduser = (lambda x: x)
48
49 from boto.vendored import six
50
51 from boto.vendored.six import BytesIO, StringIO
52 from boto.vendored.six.moves import filter, http_client, map, _thread, \
53 urllib, zip
54 from boto.vendored.six.moves.queue import Queue
55 from boto.vendored.six.moves.urllib.parse import parse_qs, quote, unquote, \
56 urlparse, urlsplit
57 from boto.vendored.six.moves.urllib.parse import unquote_plus
58 from boto.vendored.six.moves.urllib.request import urlopen
59
60 if six.PY3:
61 # StandardError was removed, so use the base exception type instead
62 StandardError = Exception
63 long_type = int
64 from configparser import ConfigParser, NoOptionError, NoSectionError
65 unquote_str = unquote_plus
66 parse_qs_safe = parse_qs
67 else:
68 StandardError = StandardError
69 long_type = long
70 from ConfigParser import SafeConfigParser as ConfigParser
71 from ConfigParser import NoOptionError, NoSectionError
72
73 def unquote_str(value, encoding='utf-8'):
74 # In python2, unquote() gives us a string back that has the urldecoded
75 # bits, but not the unicode parts. We need to decode this manually.
76 # unquote has special logic in which if it receives a unicode object it
77 # will decode it to latin1. This is hard coded. To avoid this, we'll
78 # encode the string with the passed in encoding before trying to
79 # unquote it.
80 byte_string = value.encode(encoding)
81 return unquote_plus(byte_string).decode(encoding)
82
83 # These are the same default arguments for python3's
84 # urllib.parse.parse_qs.
85 def parse_qs_safe(qs, keep_blank_values=False, strict_parsing=False,
86 encoding='utf-8', errors='replace'):
87 """Parse a query handling unicode arguments properly in Python 2."""
88 is_text_type = isinstance(qs, six.text_type)
89 if is_text_type:
90 # URL encoding uses ASCII code points only.
91 qs = qs.encode('ascii')
92 qs_dict = parse_qs(qs, keep_blank_values, strict_parsing)
93 if is_text_type:
94 # Decode the parsed dictionary back to unicode.
95 result = {}
96 for (name, value) in qs_dict.items():
97 decoded_name = name.decode(encoding, errors)
98 decoded_value = [item.decode(encoding, errors)
99 for item in value]
100 result[decoded_name] = decoded_value
101 return result
102 return qs_dict