Module node

Base classes for AST nodes (and associated functions).

Classes

NodeException
Exception raised when we have problems dynamically creating nodes.

Node
A base class for AST nodes.

MutableNode
Extend Node to allow children to be set.

NodeTreeStr
Extend GraphStr to handle named pairs - this generates an 'ASCII tree' representation of the node graph.

Functions

is_named(arg)
Is this is "named tuple"?

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new_named_node(name, node)
Generate a sub-class of Node, with the given name as type, as long as it is not already a subclass.

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coerce(arg)
Convert named nodes to nodes with that name.

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node_throw(node)
Raise an error, if one exists in the results (AST trees are traversed).

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make_dict(contents)
Construct a dict from a list of named pairs (other values in the list will be discarded).

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join_with(separator='')
Join results together (via separator.join()) into a single string.

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Function Details

Raise an error, if one exists in the results (AST trees are traversed). Otherwise, the results are returned (invoke with >>).

Construct a dict from a list of named pairs (other values in the list will be discarded). Invoke with > after creating named pairs with > string.

Join results together (via separator.join()) into a single string.

Invoke as > join_with(','), for example.