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annotate env/lib/python3.7/site-packages/boto/compat.py @ 3:758bc20232e8 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:20:52 -0400
parents 26e78fe6e8c4
children
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1 # Copyright (c) 2012 Amazon.com, Inc. or its affiliates. All Rights Reserved
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2 #
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3 # Permission is hereby granted, free of charge, to any person obtaining a
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4 # copy of this software and associated documentation files (the
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5 # "Software"), to deal in the Software without restriction, including
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6 # without limitation the rights to use, copy, modify, merge, publish, dis-
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7 # tribute, sublicense, and/or sell copies of the Software, and to permit
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8 # persons to whom the Software is furnished to do so, subject to the fol-
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9 # lowing conditions:
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10 #
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11 # The above copyright notice and this permission notice shall be included
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12 # in all copies or substantial portions of the Software.
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13 #
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14 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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15 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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16 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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17 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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18 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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19 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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20 # IN THE SOFTWARE.
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21 #
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22 import os
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23
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24 # This allows boto modules to say "from boto.compat import json". This is
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25 # preferred so that all modules don't have to repeat this idiom.
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26 try:
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27 import simplejson as json
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28 except ImportError:
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29 import json
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30
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31
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32 # Switch to use encodebytes, which deprecates encodestring in Python 3
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33 try:
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34 from base64 import encodebytes
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35 except ImportError:
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36 from base64 import encodestring as encodebytes
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37
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38
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39 # If running in Google App Engine there is no "user" and
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40 # os.path.expanduser() will fail. Attempt to detect this case and use a
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41 # no-op expanduser function in this case.
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42 try:
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43 os.path.expanduser('~')
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44 expanduser = os.path.expanduser
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45 except (AttributeError, ImportError):
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46 # This is probably running on App Engine.
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47 expanduser = (lambda x: x)
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48
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49 from boto.vendored import six
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50
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51 from boto.vendored.six import BytesIO, StringIO
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52 from boto.vendored.six.moves import filter, http_client, map, _thread, \
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53 urllib, zip
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54 from boto.vendored.six.moves.queue import Queue
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55 from boto.vendored.six.moves.urllib.parse import parse_qs, quote, unquote, \
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56 urlparse, urlsplit
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57 from boto.vendored.six.moves.urllib.parse import unquote_plus
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58 from boto.vendored.six.moves.urllib.request import urlopen
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59
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60 if six.PY3:
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61 # StandardError was removed, so use the base exception type instead
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62 StandardError = Exception
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63 long_type = int
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64 from configparser import ConfigParser, NoOptionError, NoSectionError
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65 unquote_str = unquote_plus
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66 parse_qs_safe = parse_qs
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67 else:
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68 StandardError = StandardError
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69 long_type = long
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70 from ConfigParser import SafeConfigParser as ConfigParser
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71 from ConfigParser import NoOptionError, NoSectionError
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72
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73 def unquote_str(value, encoding='utf-8'):
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74 # In python2, unquote() gives us a string back that has the urldecoded
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75 # bits, but not the unicode parts. We need to decode this manually.
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76 # unquote has special logic in which if it receives a unicode object it
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77 # will decode it to latin1. This is hard coded. To avoid this, we'll
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78 # encode the string with the passed in encoding before trying to
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79 # unquote it.
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80 byte_string = value.encode(encoding)
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81 return unquote_plus(byte_string).decode(encoding)
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82
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83 # These are the same default arguments for python3's
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84 # urllib.parse.parse_qs.
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85 def parse_qs_safe(qs, keep_blank_values=False, strict_parsing=False,
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86 encoding='utf-8', errors='replace'):
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87 """Parse a query handling unicode arguments properly in Python 2."""
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88 is_text_type = isinstance(qs, six.text_type)
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89 if is_text_type:
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90 # URL encoding uses ASCII code points only.
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91 qs = qs.encode('ascii')
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92 qs_dict = parse_qs(qs, keep_blank_values, strict_parsing)
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93 if is_text_type:
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94 # Decode the parsed dictionary back to unicode.
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95 result = {}
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96 for (name, value) in qs_dict.items():
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97 decoded_name = name.decode(encoding, errors)
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98 decoded_value = [item.decode(encoding, errors)
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99 for item in value]
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100 result[decoded_name] = decoded_value
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101 return result
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102 return qs_dict