pydevDAG._decorations._node_decorators module

pydevDAG._decorations._node_decorators

Tools to decorate networkx graphs in situ, i.e., as constructed rather than as read from a textual file.

class pydevDAG._decorations._node_decorators.DevlinkValues

Bases: object

Add the informational part of device links to the graph.

static decorated(graph)

Returns elements that get decorated.

classmethod devlink_values(context, graph, categories)

Get devlink values for graph nodes that correspond to devices.

Parameters:

• context (Context) – the udev context
• graph – the graph
• categories (list of str) – a list of devlink categories

Returns:

dict of property name, node, property value

Return type:

dict of str * str * ((list of str) or NoneType)

static values(context, element, categories)

Get device links values on this element.

Returns:a map of devicelinks values Return type:dict of str * (list of str * NoneType)

class pydevDAG._decorations._node_decorators.SysfsAttributes

Bases: object

Find sysfs attributes for the device nodes of a network graph.

static attributes(context, element, names)

Get attributes on this element.

Returns:a map of sysfs attributes Return type:dict of str * (str or NoneType)

static decorated(graph)

Returns elements that get decorated.

classmethod sysfs_attributes(context, graph, names)

Get sysfs attributes for graph nodes that correspond to devices.

Parameters:

• context (Context) – the udev context
• graph – the graph
• names (list of str) – a list of property keys

Returns:

dict of property name, node, property value

Return type:

dict

class pydevDAG._decorations._node_decorators.UdevProperties

Bases: object

Find udev properties for the device nodes of a network graph.

static decorated(graph)

Returns elements that get decorated.

static properties(context, element, names)

Get properties on this element.

Returns:a map of udev properties Return type:dict

classmethod udev_properties(context, graph, names)

Get udev properties for graph nodes that correspond to devices.

Parameters:

• context (Context) – the udev context
• graph – the graph
• names (list of str) – a list of property keys

Returns:

dict of property name, node, property value

Return type:

dict