From: Piotr Staroszczyk <piotr.staroszczyk@get24.org>
Date: Mon, 24 Feb 2020 12:29:51 +0000 (+0100)
Subject: When setting headers, fallback to `utf-8` if no encoding is specified yet. (#820)
X-Git-Tag: 0.12.0~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50d337e807839c21e796fd8b01c67d8a672a9721;p=thirdparty%2Fhttpx.git

When setting headers, fallback to `utf-8` if no encoding is specified yet. (#820)

* Headers: fallback to utf8 encoding

* Headers.__setitem__: use utf8 only if encoding is not set
---

diff --git a/httpx/_models.py b/httpx/_models.py
index 861e85fa..2bfa367a 100644
--- a/httpx/_models.py
+++ b/httpx/_models.py
@@ -515,8 +515,8 @@ class Headers(typing.MutableMapping[str, str]):
         Set the header `key` to `value`, removing any duplicate entries.
         Retains insertion order.
         """
-        set_key = key.lower().encode(self.encoding)
-        set_value = value.encode(self.encoding)
+        set_key = key.lower().encode(self._encoding or "utf-8")
+        set_value = value.encode(self._encoding or "utf-8")
 
         found_indexes = []
         for idx, (item_key, _) in enumerate(self._list):