Add files via upload

Author: AyakaNekoUwU

pyarchivefile.py

@@ -5709,6 +5709,7 @@ def MakeEmptyFile(outfile, fmttype="auto", compression="auto", compresswholefile
         fp = MkTempFile()
     elif(hasattr(outfile, "read") or hasattr(outfile, "write")):
         fp = outfile
+        return MakeEmptyFilePointer(fp, fmttype, checksumtype, formatspecs)
     elif(re.findall(__upload_proto_support__, outfile)):
         fp = MkTempFile()
     else:
@@ -5720,7 +5721,7 @@ def MakeEmptyFile(outfile, fmttype="auto", compression="auto", compresswholefile
             fp = CompressOpenFile(outfile, compresswholefile, compressionlevel)
         except PermissionError:
             return False
-    AppendFileHeader(fp, 0, "UTF-8", [], {}, checksumtype, formatspecs)
+    AppendFileHeader(fp, 0, "UTF-8", ['hello', 'goodbye'], {}, checksumtype, formatspecs)
     if(outfile == "-" or outfile is None or hasattr(outfile, "read") or hasattr(outfile, "write")):
         fp = CompressOpenFileAlt(
             fp, compression, compressionlevel, compressionuselist, formatspecs)