environment/lib/python2.7/site-packages/IPython/zmq/session.py
def _check_packers(self):
        """check packers for binary data and datetime support."""
        pack = self.pack
        unpack = self.unpack

        # check simple serialization
        msg = dict(a=[1,'hi'])
        try:
            packed = pack(msg)
        except Exception:
            raise ValueError("packer could not serialize a simple message")

        # ensure packed message is bytes
        if not isinstance(packed, bytes):
            raise ValueError("message packed to %r, but bytes are required"%type(packed))

        # check that unpack is pack's inverse
        try:
            unpacked = unpack(packed)
        except Exception:
            raise ValueError("unpacker could not handle the packer's output")

        # check datetime support
        msg = dict(t=datetime.now())
        try:
            unpacked = unpack(pack(msg))
        except Exception:
            self.pack = lambda o: pack(squash_dates(o))
            self.unpack = lambda s: extract_dates(unpack(s))
def _check_packers(self):
        """check packers for binary data and datetime support."""
        pack = self.pack
        unpack = self.unpack

        # check simple serialization
        msg = dict(a=[1,'hi'])
        try:
            packed = pack(msg)
        except Exception:
            raise ValueError("packer could not serialize a simple message")

        # ensure packed message is bytes
        if not isinstance(packed, bytes):
            raise ValueError("message packed to %r, but bytes are required"%type(packed))

        # check that unpack is pack's inverse
        try:
            unpacked = unpack(packed)
        except Exception:
            raise ValueError("unpacker could not handle the packer's output")

        # check datetime support
        msg = dict(t=datetime.now())
        try:
            unpacked = unpack(pack(msg))
        except Exception:
            self.pack = lambda o: pack(squash_dates(o))
            self.unpack = lambda s: extract_dates(unpack(s))
def _check_packers ( self ) : pack = self . pack unpack = self . unpack # check simple serialization msg = dict ( a = [ 1 , 'hi' ] ) try : packed = pack ( msg ) except Exception : raise ValueError ( "packer could not serialize a simple message" ) # ensure packed message is bytes if not isinstance ( packed , bytes ) : raise ValueError ( "message packed to %r, but bytes are required" % type ( packed ) ) # check that unpack is pack's inverse try : unpacked = unpack ( packed ) except Exception : raise ValueError ( "unpacker could not handle the packer's output" ) # check datetime support msg = dict ( t = datetime . now ( ) ) try : unpacked = unpack ( pack ( msg ) ) except Exception : self . pack = lambda o : pack ( squash_dates ( o ) ) self . unpack = lambda s : extract_dates ( unpack ( s ) )
check packers for binary data and datetime support.
check packers for binary data and datetime support .