RFC 1952 requires the FNAME field to be Latin-1. Do not include
filenames that cannot be represented that way.
diff --git a/Lib/gzip.py b/Lib/gzip.py
index b6cc80e..e7f6737 100644
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -153,6 +153,14 @@
if fname.endswith(".gz"):
fname = fname[:-3]
flags = 0
+
+ # RFC 1952 requires the FNAME field to be Latin-1. Do not
+ # include filenames that cannot be represented that way.
+ try:
+ fname = fname.encode('latin-1')
+ except UnicodeEncodeError:
+ fname = ''
+
if fname:
flags = FNAME
self.fileobj.write(chr(flags).encode('latin-1'))
@@ -160,8 +168,7 @@
self.fileobj.write(b'\002')
self.fileobj.write(b'\377')
if fname:
- # XXX: Ist utf-8 the correct encoding?
- self.fileobj.write(fname.encode('utf-8') + b'\000')
+ self.fileobj.write(fname + b'\000')
def _init_read(self):
self.crc = zlib.crc32("")