Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/requests_toolbelt/utils/deprecated.py @ 4:79f47841a781 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:47:39 -0400
parents 26e78fe6e8c4
children
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1 # -*- coding: utf-8 -*-
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2 """A collection of functions deprecated in requests.utils."""
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3 import re
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4 import sys
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5
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6 from requests import utils
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7
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8 find_charset = re.compile(
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9 br'<meta.*?charset=["\']*(.+?)["\'>]', flags=re.I
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10 ).findall
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11
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12 find_pragma = re.compile(
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13 br'<meta.*?content=["\']*;?charset=(.+?)["\'>]', flags=re.I
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14 ).findall
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15
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16 find_xml = re.compile(
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17 br'^<\?xml.*?encoding=["\']*(.+?)["\'>]'
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18 ).findall
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19
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20
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21 def get_encodings_from_content(content):
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22 """Return encodings from given content string.
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23
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24 .. code-block:: python
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25
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26 import requests
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27 from requests_toolbelt.utils import deprecated
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28
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29 r = requests.get(url)
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30 encodings = deprecated.get_encodings_from_content(r)
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31
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32 :param content: bytestring to extract encodings from
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33 :type content: bytes
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34 :return: encodings detected in the provided content
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35 :rtype: list(str)
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36 """
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37 encodings = (find_charset(content) + find_pragma(content)
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38 + find_xml(content))
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39 if (3, 0) <= sys.version_info < (4, 0):
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40 encodings = [encoding.decode('utf8') for encoding in encodings]
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41 return encodings
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42
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43
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44 def get_unicode_from_response(response):
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45 """Return the requested content back in unicode.
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46
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47 This will first attempt to retrieve the encoding from the response
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48 headers. If that fails, it will use
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49 :func:`requests_toolbelt.utils.deprecated.get_encodings_from_content`
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50 to determine encodings from HTML elements.
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51
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52 .. code-block:: python
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53
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54 import requests
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55 from requests_toolbelt.utils import deprecated
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56
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57 r = requests.get(url)
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58 text = deprecated.get_unicode_from_response(r)
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59
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60 :param response: Response object to get unicode content from.
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61 :type response: requests.models.Response
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62 """
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63 tried_encodings = set()
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64
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65 # Try charset from content-type
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66 encoding = utils.get_encoding_from_headers(response.headers)
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67
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68 if encoding:
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69 try:
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70 return str(response.content, encoding)
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71 except UnicodeError:
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72 tried_encodings.add(encoding.lower())
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73
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74 encodings = get_encodings_from_content(response.content)
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75
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76 for _encoding in encodings:
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77 _encoding = _encoding.lower()
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78 if _encoding in tried_encodings:
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79 continue
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80 try:
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81 return str(response.content, _encoding)
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82 except UnicodeError:
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83 tried_encodings.add(_encoding)
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84
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85 # Fall back:
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86 if encoding:
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87 try:
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88 return str(response.content, encoding, errors='replace')
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89 except TypeError:
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90 pass
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91 return response.text