Fixed #34074 -- Added headers argument to RequestFactory and Client classes.

2 files changed, 27 insertions, 0 deletions

diff --git a/django/http/__init__.py b/django/http/__init__.py
index 87109059a3..628564ea09 100644
--- a/django/http/__init__.py
+++ b/django/http/__init__.py
@@ -1,5 +1,6 @@
 from django.http.cookie import SimpleCookie, parse_cookie
 from django.http.request import (
+    HttpHeaders,
     HttpRequest,
     QueryDict,
     RawPostDataException,
@@ -27,6 +28,7 @@ from django.http.response import (
 __all__ = [
     "SimpleCookie",
     "parse_cookie",
+    "HttpHeaders",
     "HttpRequest",
     "QueryDict",
     "RawPostDataException",
diff --git a/django/http/request.py b/django/http/request.py
index 815544368b..6b51d23e97 100644
--- a/django/http/request.py
+++ b/django/http/request.py
@@ -461,6 +461,31 @@ class HttpHeaders(CaseInsensitiveMapping):
             return None
         return header.replace("_", "-").title()
 
+    @classmethod
+    def to_wsgi_name(cls, header):
+        header = header.replace("-", "_").upper()
+        if header in cls.UNPREFIXED_HEADERS:
+            return header
+        return f"{cls.HTTP_PREFIX}{header}"
+
+    @classmethod
+    def to_asgi_name(cls, header):
+        return header.replace("-", "_").upper()
+
+    @classmethod
+    def to_wsgi_names(cls, headers):
+        return {
+            cls.to_wsgi_name(header_name): value
+            for header_name, value in headers.items()
+        }
+
+    @classmethod
+    def to_asgi_names(cls, headers):
+        return {
+            cls.to_asgi_name(header_name): value
+            for header_name, value in headers.items()
+        }
+
 
 class QueryDict(MultiValueDict):
     """