使用gzip启用KMZ输出

Traceback (most recent call last):
  File \"/base/python_runtime/python_lib/versions/1/google/appengine/ext/webapp/__init__.py\", line 634, in __call__
    handler.get(*groups)
  File \"/base/data/home/apps/my-app-ip/django2.349712625627523096/main.py\", line 2246, in get
    self.response.out.write(compressBuf(output))
  File \"/base/data/home/apps/my-app-ip/django2.349712625627523096/main.py\", line 1618, in compressBuf
    zfile.write(buf)
  File \"/base/python_runtime/python_dist/lib/python2.5/gzip.py\", line 204, in write
    self.crc = zlib.crc32(data, self.crc)
UnicodeEncodeError: \'ascii\' codec can\'t encode character u\'\\u2019\' in position 1075: ordinal not in range(128)

def compressBuf(buf):
    zbuf = StringIO.StringIO()
    zfile = gzip.GzipFile(None, \'wb\', 9, zbuf)
    zfile.write(buf)
    zfile.close()
    return zbuf.getvalue()