+ ok = False
+ try:
+ if self.bk.getcode() != 200:
+ raise IOError("Server error: " + str(self.bk.getcode()))
+ self.ctype = self.bk.info()["Content-Type"]
+ self.clen = int(self.bk.info()["Content-Length"])
+ ok = True
+ finally:
+ if not ok:
+ self.bk.close()