Index: gzip.py
===================================================================
--- gzip.py	(revision 76139)
+++ gzip.py	(working copy)
@@ -8,8 +8,9 @@
 import struct, sys, time, os
 import zlib
 import builtins
+import io
 
-__all__ = ["GzipFile","open"]
+__all__ = ["GzipFile","open", "compress", "decompress"]
 
 FTEXT, FHCRC, FEXTRA, FNAME, FCOMMENT = 1, 2, 4, 8, 16
 
@@ -481,7 +482,25 @@
     def __exit__(self, *args):
         self.close()
 
+def compress(data, compresslevel=9) -> "compressed string":
+    """ Compress data in one shot. Returns the compressed string.
+    Optional argument is the compression level, in range of 1-9. """
+    
+    bf = io.BytesIO(b'')
+    f = GzipFile(fileobj = bf, mode = 'wb', compresslevel = compresslevel)
+    f.write(data)
+    f.close()
 
+    return bf.getvalue()
+
+def decompress(data) -> "decompressed string":
+    """ Decompress a gzip compressed string in one shot.
+    Returns the decompressed string. """
+
+    f = GzipFile(fileobj = io.BytesIO(data))
+    return f.read()
+    
+    
 def _test():
     # Act like gzip; with -d, act like gunzip.
     # The input file is not deleted, however, nor are any other gzip