cpython/Tools/compiler/ast.txt

Module: doc, node
Stmt: nodes
Function: name, argnames, defaults, flags, doc, code
Lambda: argnames, defaults, flags, code
Class: name, bases, doc, code
Pass: 
Break: 
Continue: 
For: assign, list, body, else_
While: test, body, else_
If: tests, else_
Exec: expr, locals, globals
From: modname, names
Import: names
Raise: expr1, expr2, expr3
TryFinally: body, final
TryExcept: body, handlers, else_
Return: value
Yield: value
Const: value
Print: nodes, dest
Printnl: nodes, dest
Discard: expr
AugAssign: node, op, expr
Assign: nodes, expr
AssTuple: nodes
AssList: nodes
AssName: name, flags
AssAttr: expr, attrname, flags
ListComp: expr, quals
ListCompFor: assign, list, ifs
ListCompIf: test
List: nodes
Dict: items
Not: expr
Compare: expr, ops
Name: name
Global: names
Backquote: expr
Getattr: expr, attrname
CallFunc: node, args, star_args = None, dstar_args = None
Keyword: name, expr
Subscript: expr, flags, subs
Ellipsis: 
Sliceobj: nodes
Slice: expr, flags, lower, upper
Assert: test, fail
Tuple: nodes
Or: nodes
And: nodes
Bitor: nodes
Bitxor: nodes
Bitand: nodes
LeftShift: (left, right)
RightShift: (left, right)
Add: (left, right)
Sub: (left, right)
Mul: (left, right)
Div: (left, right)
Mod: (left, right)
Power: (left, right)
UnaryAdd: expr
UnarySub: expr
Invert: expr

init(Function):
    self.varargs = self.kwargs = None
    if flags & CO_VARARGS:
        self.varargs = 1
    if flags & CO_VARKEYWORDS:
        self.kwargs = 1

init(Lambda):
    self.varargs = self.kwargs = None
    if flags & CO_VARARGS:
        self.varargs = 1
    if flags & CO_VARKEYWORDS:
        self.kwargs = 1