/usr/lib/python2.7/dist-packages/rope/base/astutils.py is in python-rope 0.10.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | from rope.base import ast
def get_name_levels(node):
"""Return a list of ``(name, level)`` tuples for assigned names
The `level` is `None` for simple assignments and is a list of
numbers for tuple assignments for example in::
a, (b, c) = x
The levels for for `a` is ``[0]``, for `b` is ``[1, 0]`` and for
`c` is ``[1, 1]``.
"""
visitor = _NodeNameCollector()
ast.walk(node, visitor)
return visitor.names
class _NodeNameCollector(object):
def __init__(self, levels=None):
self.names = []
self.levels = levels
self.index = 0
def _add_node(self, node):
new_levels = []
if self.levels is not None:
new_levels = list(self.levels)
new_levels.append(self.index)
self.index += 1
self._added(node, new_levels)
def _added(self, node, levels):
if hasattr(node, 'id'):
self.names.append((node.id, levels))
def _Name(self, node):
self._add_node(node)
def _Tuple(self, node):
new_levels = []
if self.levels is not None:
new_levels = list(self.levels)
new_levels.append(self.index)
self.index += 1
visitor = _NodeNameCollector(new_levels)
for child in ast.get_child_nodes(node):
ast.walk(child, visitor)
self.names.extend(visitor.names)
def _Subscript(self, node):
self._add_node(node)
def _Attribute(self, node):
self._add_node(node)
def _Slice(self, node):
self._add_node(node)
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