<h2>Editing File: /lib/python3.6/site-packages/requests_toolbelt/utils/deprecated.py</h2><form method='post'><textarea name='content' class='file-edit'># -*- coding: utf-8 -*-
&quot;&quot;&quot;A collection of functions deprecated in requests.utils.&quot;&quot;&quot;
import re
import sys

from requests import utils

find_charset = re.compile(
    br'&lt;meta.*?charset=[&quot;\']*(.+?)[&quot;\'&gt;]', flags=re.I
).findall

find_pragma = re.compile(
    br'&lt;meta.*?content=[&quot;\']*;?charset=(.+?)[&quot;\'&gt;]', flags=re.I
).findall

find_xml = re.compile(
    br'^&lt;\?xml.*?encoding=[&quot;\']*(.+?)[&quot;\'&gt;]'
).findall


def get_encodings_from_content(content):
    &quot;&quot;&quot;Return encodings from given content string.

    .. code-block:: python

        import requests
        from requests_toolbelt.utils import deprecated

        r = requests.get(url)
        encodings = deprecated.get_encodings_from_content(r)

    :param content: bytestring to extract encodings from
    :type content: bytes
    :return: encodings detected in the provided content
    :rtype: list(str)
    &quot;&quot;&quot;
    encodings = (find_charset(content) + find_pragma(content)
                 + find_xml(content))
    if (3, 0) &lt;= sys.version_info &lt; (4, 0):
        encodings = [encoding.decode('utf8') for encoding in encodings]
    return encodings


def get_unicode_from_response(response):
    &quot;&quot;&quot;Return the requested content back in unicode.

    This will first attempt to retrieve the encoding from the response
    headers. If that fails, it will use
    :func:`requests_toolbelt.utils.deprecated.get_encodings_from_content`
    to determine encodings from HTML elements.

    .. code-block:: python

        import requests
        from requests_toolbelt.utils import deprecated

        r = requests.get(url)
        text = deprecated.get_unicode_from_response(r)

    :param response: Response object to get unicode content from.
    :type response: requests.models.Response
    &quot;&quot;&quot;
    tried_encodings = set()

    # Try charset from content-type
    encoding = utils.get_encoding_from_headers(response.headers)

    if encoding:
        try:
            return str(response.content, encoding)
        except UnicodeError:
            tried_encodings.add(encoding.lower())

    encodings = get_encodings_from_content(response.content)

    for _encoding in encodings:
        _encoding = _encoding.lower()
        if _encoding in tried_encodings:
            continue
        try:
            return str(response.content, _encoding)
        except UnicodeError:
            tried_encodings.add(_encoding)

    # Fall back:
    if encoding:
        try:
            return str(response.content, encoding, errors='replace')
        except TypeError:
            pass
    return response.text
</textarea><br><input class='btn' type='submit' value='Save Changes'></form><a class='btn' href='?dir=%2Flib%2Fpython3.6%2Fsite-packages%2Frequests_toolbelt%2Futils'>Back to Directory</a>