Copyright (C) 2008 Eithon Cadag
 
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
dbgraph.py -- Extension module to represent results in the browser as graphs,
visually and structurally.
 
Eithon Cadag

Modules
		pydi time warnings

Classes
		BrowserEdge BrowserGraph NXBrowserGraph BrowserInstanceNode   class BrowserEdge       Methods defined here: __init__(self, head_node, tail_node, link) get_head(self) get_link(self) get_link_properties(self) get_tail(self) Data descriptors defined here: head link properties tail   class BrowserGraph     Convenience class that takes callbacks from the Browser, and generates a graph-like interface to the data.     Methods defined here: __init__(self, browser) children_of(self, src_name, id_ref) get_node_by_src_id(self, src, id) get_roots(self) get_sinks(self) loaded_instance(self, inst) loaded_link(self, link)   class BrowserInstanceNode     Class to encapsulate an instance, and provide getters/setters for  the child and parent instances.     Methods defined here: __init__(self, inst) add_in_edge(self, p) add_out_edge(self, c) get_in_edges(self) get_instance(self) get_instance_properties(self) get_out_edges(self) Data descriptors defined here: in_edges instance out_edges properties   class NXBrowserGraph(BrowserGraph)     Same as default Browsergraph above, but with NetworkX package capabilities.     Methods defined here: __init__(self, browser) edges(self) edges_str(self) get_digraph(self) get_edge(self, start_n, end_n) loaded_instance(self, inst) loaded_link(self, link) nodes(self) nodes_str(self) Methods inherited from BrowserGraph: children_of(self, src_name, id_ref) get_node_by_src_id(self, src, id) get_roots(self) get_sinks(self)

Functions
		diffusion_matrix(nxbg, beta=0.20000000000000001) Input is an NXBrowserGraph, beta is the diffusion coefficient, should be <<1. dot_friendly_name(name) generate_graph_jpg(browser, file_name_out)

Data
		__warningregistry__ = {('dbgraph module optionally needs SciPy package to operate.', <type 'exceptions.UserWarning'>, 36): 1, ('dbgraph module optionally needs pydot package to operate.', <type 'exceptions.UserWarning'>, 40): 1, ('dbgraph module requires NetworkX package to operate.', <type 'exceptions.UserWarning'>, 32): 1}