Fix a problem when dealing with huge files: file cmd responds before all the content has been writed

archive.py

@@ -62,8 +62,11 @@ def _guess_mime(data):
                            "--brief",
                            "--mime-type",
                            "-"], env={"LANG": 'C'}, stdin=subprocess.PIPE, stdout=subprocess.PIPE) as p:
+        try:
             p.stdin.write(data.encode() if isinstance(data, str) else data)
             p.stdin.close()
+        except BrokenPipeError:
+            pass
         p.wait()
         if p.returncode == 0:
             return p.stdout.read().decode('utf-8', 'replace').strip()