def channel(self, on_open_callback, channel_number=None):
"""
Create a new channel with the next available channel number or pass in
a channel number to use. Must be non-zero if you would like to specify
but it is recommended that you let Pika manage the channel numbers.
"""
# If the user didn't specify a channel_number get the next avail
if not channel_number:
channel_number = self._next_channel_number()
# Open the channel passing the users callback
self._channels[channel_number] = channel.Channel(
self, channel_number, on_open_callback)
# Add the callback for our Channel.Close event in case the Broker
# wants to close us for some reason
self.callbacks.add(channel_number, spec.Channel.Close,
self._on_channel_close)
# Add the channel spec.Channel.CloseOk callback for _on_channel_close
self.callbacks.add(channel_number, spec.Channel.CloseOk,
self._on_channel_close)
# Open the channel
self._channels[channel_number].open()
def _create_channel(self, channel_number, on_open_callback):
"""Create a new channel using the specified channel number and calling
back the method specified by on_open_callback
:param int channel_number: The channel number to use
:param method on_open_callback: The callback when the channel is opened
"""
return channel.Channel(self, channel_number, on_open_callback)