# Path: brewery/nodes/base.py
# def node_dictionary():
#     """Return a dictionary containing node name as key and node class as
#     value. This will be depreciated soon in favour of
#     :func:`node_catalogue()`"""
# 
#     classes = node_subclasses(Node)
#     dictionary = {}
# 
#     for c in classes:
#         try:
#             name = c.identifier()
#             dictionary[name] = c
#         except AttributeError:
#             # If node does not provide identifier, we consider it to be
#             # private or abstract class
#             pass
# 
#     return dictionary
# 
# class TargetNode(Node):
#     """Abstract class for all target nodes
# 
#     .. abstract_node
# 
#     """
#     def __init__(self):
#         super(TargetNode, self).__init__()
#         self.fields = None
# 
#     @property
#     def output_fields(self):
#         raise RuntimeError("Output fields asked from a target object.")
# 
#     def add_output(self, pipe):
#         raise RuntimeError("Should not add output pipe to a target node")
# 
# class NodeFinished(Exception):
#     """Exception raised when node has no active outputs - each output node signalised that it
#     requires no more data."""
#     pass
# 
# Path: brewery/utils.py
# def get_logger():
#     """Get brewery default logger"""
#     global logger
#     
#     if logger:
#         return logger
#     else:
#         return create_logger()


import threading
import sys
from brewery.nodes.base import node_dictionary, TargetNode, NodeFinished
from brewery.utils import get_logger
from brewery.nodes import *
from brewery.common import *
from .graph import *
        return fork

    def merge(self, obj, **kwargs):
        """Joins two streams using the MergeNode (please refer to the node documentaton
        for more information).

        `obj` is a fork or a node to be merged. `kwargs` are MergeNode configuration arguments,
        such as `joins`.

        """
        raise NotImplementedError
        # if type(obj) == StreamFork:
        #     node = obj.node
        # else:
        #     node = obj
        #
        # self.stream.append(node)
        #
        # merge = MergeNode(**kwargs)
        # self.stream.append(merge)
        # self.stream.connect()

    def append(self, obj):
        """Appends data from nodes using AppendNode"""
        raise NotImplementedError

    def __getattr__(self, name):
        """Returns node class"""
        # FIXME: use create_node here


# Path: brewery/nodes/base.py
# def node_dictionary():
#     """Return a dictionary containing node name as key and node class as
#     value. This will be depreciated soon in favour of
#     :func:`node_catalogue()`"""
# 
#     classes = node_subclasses(Node)
#     dictionary = {}
# 
#     for c in classes:
#         try:
#             name = c.identifier()
#             dictionary[name] = c
#         except AttributeError:
#             # If node does not provide identifier, we consider it to be
#             # private or abstract class
#             pass
# 
#     return dictionary
# 
# class TargetNode(Node):
#     """Abstract class for all target nodes
# 
#     .. abstract_node
# 
#     """
#     def __init__(self):
#         super(TargetNode, self).__init__()
#         self.fields = None
# 
#     @property
#     def output_fields(self):
#         raise RuntimeError("Output fields asked from a target object.")
# 
#     def add_output(self, pipe):
#         raise RuntimeError("Should not add output pipe to a target node")
# 
# class NodeFinished(Exception):
#     """Exception raised when node has no active outputs - each output node signalised that it
#     requires no more data."""
#     pass
# 
# Path: brewery/utils.py
# def get_logger():
#     """Get brewery default logger"""
#     global logger
#     
#     if logger:
#         return logger
#     else:
#         return create_logger()


# Path: brewery/streams.py
import threading
import sys
from brewery.nodes.base import node_dictionary, TargetNode, NodeFinished
from brewery.utils import get_logger
from brewery.nodes import *
from brewery.common import *
from .graph import *

        return fork

    def merge(self, obj, **kwargs):
        """Joins two streams using the MergeNode (please refer to the node documentaton
        for more information).

        `obj` is a fork or a node to be merged. `kwargs` are MergeNode configuration arguments,
        such as `joins`.

        """
        raise NotImplementedError
        # if type(obj) == StreamFork:
        #     node = obj.node
        # else:
        #     node = obj
        #
        # self.stream.append(node)
        #
        # merge = MergeNode(**kwargs)
        # self.stream.append(merge)
        # self.stream.connect()

    def append(self, obj):
        """Appends data from nodes using AppendNode"""
        raise NotImplementedError

    def __getattr__(self, name):
        """Returns node class"""
        # FIXME: use create_node here


        class_dict = node_dictionary()