Source code for Channels

# CellTracking.py
# By MW, Jun 2013
# GPLv3+
#
# Class managing the Channels

import imp, logging

Channel = imp.load_source("Channel", './bin/Movies/Channels/Channel.py')  # Loading the Movie class
channels_dict = {}

def new_channel(name) :
    """Function that initialize a new channel. 
    Takes a channel name as an input"""

    # Check if name is not already used
    if not (name in channels_dict.keys()) :
        c = Channel.Channel(name)  # Initialize an empty
        channels_dict[name] = c
        return c
    else :
        logging.error("Channel name already used")

def get_channel(name) :
    """Gets a channel given its name"""
    try :
        return channels_dict[name]
    except :
        logging.error("The channel '%s' does not exist in this movie", name)

def get_channels_dict() :
    """Returns the list of channels"""
    return channels_dict

def get_save_dict() :
    dic = {}
    channels = channels_dict
    channels_l = []
    for ch in channels.keys() :
        c = channels[ch]
        d = {'descr' : 'a channel', 'value' :  {}}
        d['value']['name'] = {'descr' : 'name of the channel', 'value' : ch}
        d['value']['channel'] = c.get_save_dict() 
        channels_l.append(d)
        dic['channels_dict'] = {'descr' : 'A list describing the self.channels_dict object', 'value' : channels_l}
    return {'descr' : 'Channels module', 'value' : dic}
def load_save_dict(dic) :
    for ch in dic['value']['channels_dict']['value'] :
        n = ch['value']['name']['value']
        c = ch['value']['channel']
        channel = new_channel(n)
        channel.load_save_dict(c)