Wolfgang Maier added the comment:
something like:
def write(self,data):
self._check_closed()
if self.mode != WRITE:
import errno
raise OSError(errno.EBADF, "write() on read-only GzipFile object")
if self.fileobj is None:
raise ValueError("write() on closed GzipFile object")
if isinstance(data, bytes):
length = len(data)
elif isinstance(data, memoryview) and not data.c_contiguous:
data = data.tobytes()
length = len(data)
else:
# accept any data that supports the buffer protocol
data = memoryview(data)
length = data.nbytes
if length > 0:
self.fileobj.write(self.compress.compress(data))
self.size += length
self.crc = zlib.crc32(data, self.crc) & 0xffffffff
self.offset += length
return length
----------
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<http://bugs.python.org/issue23688>
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