Add files via upload

Author: YuukaNekoUwU

pycatfile.py

@@ -657,7 +657,7 @@ def _get(section_dict, key, default=None):
 __version_date__ = str(__version_date_info__[0]) + "." + str(
     __version_date_info__[1]).zfill(2) + "." + str(__version_date_info__[2]).zfill(2)
 __revision__ = __version_info__[3]
-__revision_id__ = "$Id$"
+__revision_id__ = "$Id: c2c0b50b894b396413373201a6ec3270b2a93db7 $"
 if(__version_info__[4] is not None):
     __version_date_plusrc__ = __version_date__ + \
         "-" + str(__version_date_info__[4])
@@ -3763,7 +3763,8 @@ def GetHeaderChecksum(inlist=None, checksumtype="md5", encodedata=True, formatsp
     if encodedata and not isinstance(hdr_bytes, (bytes, bytearray, memoryview)):
         hdr_bytes = _to_bytes(hdr_bytes)
     hdr_bytes = bytes(hdr_bytes)
-    saltkey = _to_bytes(saltkey)
+    if(saltkey is not None):
+        saltkey = _to_bytes(saltkey)
     if CheckSumSupport(algo_key, hashlib_guaranteed):
         if(saltkey is None):
             h = hashlib.new(algo_key, hdr_bytes)
@@ -3781,7 +3782,8 @@ def GetFileChecksum(inbytes, checksumtype="md5", encodedata=True, formatspecs=__
       - Falls back to one-shot for non-file-like inputs.
     """
     algo_key = (checksumtype or "md5").lower()
-    saltkey = _to_bytes(saltkey)
+    if(saltkey is not None):
+        saltkey = _to_bytes(saltkey)
     # file-like streaming
     if hasattr(inbytes, "read"):
         # hashlib