add support for base64 encoding with the data scheme

browser.py

@@ -1,3 +1,4 @@
+import base64
 import os.path
 import socket
 import ssl
@@ -129,6 +130,8 @@ class Request:
             return f.read()
 
     def data_request(self):
+        if self.url.media_encoding == "base64":
+            return base64.b64decode(self.url.data)
         return self.url.data
 
 

tests/url_test.py

@@ -1,3 +1,5 @@
+import base64
+
 import pytest
 
 from browser import URL
@@ -188,7 +190,7 @@ def test_url_parsing(url_string, scheme, host, port, path, query, fragment, pars
             True,
         ),
         (
-            "data:text/plain;base64,This is some text",
+            "data:text/plain;base64,VGhpcyBpcyBzb21lIHRleHQ=",
             "text/plain",
             "base64",
             "This is some text",
@@ -200,7 +202,10 @@ def test_data_url_parsing(url_string, media_type, media_encoding, data, parse_su
     url, success = parse_url(url_string)
     assert url.media_type == media_type
     assert url.media_encoding == media_encoding
-    assert url.data == data
+    if media_encoding == "base64":
+        assert base64.b64decode(url.data).decode("utf8") == data;
+    else:
+        assert url.data == data
     assert success == parse_success