From b5b1cf22b724f9901c59cdafb7e995f6357ac5b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Thu, 5 Aug 2021 22:30:17 +0200
Subject: [PATCH] [downloader:http] reorder HTTP header sources

so that any header can be overwritten by a user, except Range
---
 gallery_dl/downloader/http.py | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/gallery_dl/downloader/http.py b/gallery_dl/downloader/http.py
index 76ec46f4..78d8d347 100644
--- a/gallery_dl/downloader/http.py
+++ b/gallery_dl/downloader/http.py
@@ -98,20 +98,21 @@ class HttpDownloader(DownloaderBase):
                 time.sleep(tries)
 
             tries += 1
-            headers = {"Accept": "*/*"}
             file_header = None
 
-            # check for .part file
-            file_size = pathfmt.part_size()
-            if file_size:
-                headers["Range"] = "bytes={}-".format(file_size)
-            # general headers
-            if self.headers:
-                headers.update(self.headers)
-            # file-specific headers
+            # collect HTTP headers
+            headers = {"Accept": "*/*"}
+            #   file-specific headers
             extra = kwdict.get("_http_headers")
             if extra:
                 headers.update(extra)
+            #   general headers
+            if self.headers:
+                headers.update(self.headers)
+            #   partial content
+            file_size = pathfmt.part_size()
+            if file_size:
+                headers["Range"] = "bytes={}-".format(file_size)
 
             # connect to (remote) source
             try: