1 files changed, 1 insertions, 73 deletions
diff --git a/django/utils/http.py b/django/utils/http.py
index 962716eb00..5397bb8190 100644
--- a/django/utils/http.py
+++ b/django/utils/http.py
@@ -7,7 +7,7 @@ from binascii import Error as BinasciiError
 from email.utils import formatdate
 from urllib.parse import (
     ParseResult, SplitResult, _coerce_args, _splitnetloc, _splitparams,
-    scheme_chars, unquote, urlencode as original_urlencode, uses_params,
+    scheme_chars, urlencode as original_urlencode, uses_params,
 )
 
 from django.utils.datastructures import MultiValueDict
@@ -343,78 +343,6 @@ def _url_has_allowed_host_and_scheme(url, allowed_hosts, require_https=False):
             (not scheme or scheme in valid_schemes))
 
 
-# TODO: Remove when dropping support for PY37.
-def parse_qsl(
-    qs, keep_blank_values=False, strict_parsing=False, encoding='utf-8',
-    errors='replace', max_num_fields=None,
-):
-    """
-    Return a list of key/value tuples parsed from query string.
-
-    Backport of urllib.parse.parse_qsl() from Python 3.8.
-    Copyright (C) 2020 Python Software Foundation (see LICENSE.python).
-
-    ----
-
-    Parse a query given as a string argument.
-
-    Arguments:
-
-    qs: percent-encoded query string to be parsed
-
-    keep_blank_values: flag indicating whether blank values in
-        percent-encoded queries should be treated as blank strings. A
-        true value indicates that blanks should be retained as blank
-        strings. The default false value indicates that blank values
-        are to be ignored and treated as if they were  not included.
-
-    strict_parsing: flag indicating what to do with parsing errors. If false
-        (the default), errors are silently ignored. If true, errors raise a
-        ValueError exception.
-
-    encoding and errors: specify how to decode percent-encoded sequences
-        into Unicode characters, as accepted by the bytes.decode() method.
-
-    max_num_fields: int. If set, then throws a ValueError if there are more
-        than n fields read by parse_qsl().
-
-    Returns a list, as G-d intended.
-    """
-    qs, _coerce_result = _coerce_args(qs)
-
-    # If max_num_fields is defined then check that the number of fields is less
-    # than max_num_fields. This prevents a memory exhaustion DOS attack via
-    # post bodies with many fields.
-    if max_num_fields is not None:
-        num_fields = 1 + qs.count('&') + qs.count(';')
-        if max_num_fields < num_fields:
-            raise ValueError('Max number of fields exceeded')
-
-    pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')]
-    r = []
-    for name_value in pairs:
-        if not name_value and not strict_parsing:
-            continue
-        nv = name_value.split('=', 1)
-        if len(nv) != 2:
-            if strict_parsing:
-                raise ValueError("bad query field: %r" % (name_value,))
-            # Handle case of a control-name with no equal sign.
-            if keep_blank_values:
-                nv.append('')
-            else:
-                continue
-        if len(nv[1]) or keep_blank_values:
-            name = nv[0].replace('+', ' ')
-            name = unquote(name, encoding=encoding, errors=errors)
-            name = _coerce_result(name)
-            value = nv[1].replace('+', ' ')
-            value = unquote(value, encoding=encoding, errors=errors)
-            value = _coerce_result(value)
-            r.append((name, value))
-    return r
-
-
 def escape_leading_slashes(url):
     """
     If redirecting to an absolute path (two leading slashes), a slash must be