Pyreverse crash

[nickdrozd]

Bug description

Run Pyreverse on a file with this:

class X:
    def f(self):
        self.x += 0

Crashes with error from Astroid:

    lhs_iter = self.target.infer_lhs(context=context)
               ^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'AssignAttr' object has no attribute 'infer_lhs'

Configuration

No response

Command used

pyreverse asdf.py

Pylint output

pyreverse asdf.py 
parsing asdf.py...
Traceback (most recent call last):
  File ".local/bin/pyreverse", line 33, in <module>
    sys.exit(load_entry_point('pylint', 'console_scripts', 'pyreverse')())
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "pylint/pylint/__init__.py", line 56, in run_pyreverse
    PyreverseRun(argv or sys.argv[1:])
  File "pylint/pylint/pyreverse/main.py", line 289, in __init__
    sys.exit(self.run(args))
             ^^^^^^^^^^^^^^
  File "pylint/pylint/pyreverse/main.py", line 307, in run
    diadefs = handler.get_diadefs(project, linker)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "pylint/pylint/pyreverse/diadefslib.py", line 232, in get_diadefs
    diagrams = DefaultDiadefGenerator(linker, self).visit(project)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "pylint/pylint/pyreverse/utils.py", line 160, in visit
    self.visit(local_node)
  File "pylint/pylint/pyreverse/utils.py", line 160, in visit
    self.visit(local_node)
  File "pylint/pylint/pyreverse/utils.py", line 157, in visit
    methods[0](node)
  File "pylint/pylint/pyreverse/diadefslib.py", line 176, in visit_classdef
    self.extract_classes(node, anc_level, association_level)
  File "pylint/pylint/pyreverse/diadefslib.py", line 118, in extract_classes
    self.add_class(klass_node)
  File "pylint/pylint/pyreverse/diadefslib.py", line 82, in add_class
    self.linker.visit(node)
  File "pylint/pylint/pyreverse/utils.py", line 157, in visit
    methods[0](node)
  File "pylint/pylint/pyreverse/inspector.py", line 168, in visit_classdef
    self.associations_handler.handle(assignattr, node)
  File "pylint/pylint/pyreverse/inspector.py", line 332, in handle
    super().handle(node, parent)
  File "pylint/pylint/pyreverse/inspector.py", line 319, in handle
    self._next_handler.handle(node, parent)
  File "pylint/pylint/pyreverse/inspector.py", line 338, in handle
    parent.associations_type[node.attrname] = list(current | utils.infer_node(node))
                                                             ^^^^^^^^^^^^^^^^^^^^^^
  File "pylint/pylint/pyreverse/utils.py", line 214, in infer_node
    ann = get_annotation(node)
          ^^^^^^^^^^^^^^^^^^^^
  File "pylint/pylint/pyreverse/utils.py", line 192, in get_annotation
    default, *_ = node.infer()
    ^^^^^^^^^^^
  File "astroid/astroid/nodes/node_ng.py", line 166, in infer
    yield from self._infer(context=context, **kwargs)
  File "astroid/astroid/decorators.py", line 90, in inner
    yield next(generator)
          ^^^^^^^^^^^^^^^
  File "astroid/astroid/decorators.py", line 49, in wrapped
    for res in _func(node, context, **kwargs):
  File "astroid/astroid/nodes/node_ng.py", line 179, in infer
    for i, result in enumerate(self._infer(context=context, **kwargs)):
  File "astroid/astroid/decorators.py", line 90, in inner
    yield next(generator)
          ^^^^^^^^^^^^^^^
  File "astroid/astroid/decorators.py", line 49, in wrapped
    for res in _func(node, context, **kwargs):
  File "astroid/astroid/nodes/_base_nodes.py", line 329, in _filter_operation_errors
    for result in infer_callable(context):
  File "astroid/astroid/nodes/node_classes.py", line 1331, in _infer_augassign
    lhs_iter = self.target.infer_lhs(context=context)
               ^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'AssignAttr' object has no attribute 'infer_lhs'

Expected behavior

No crash.

In contrast, pylint asdf.py succeeds.

Also, there is no crash with Astroid 2.15.5

Pylint version

pyreverse is included in pylint:
pylint 3.0.0b1
astroid 3.0.0a6-dev0
Python 3.11.0

OS / Environment

No response

Additional dependencies

No response

[jacobtylerwalls]

Fixed in pylint-dev/astroid#2235

[jacobtylerwalls]

Good catch! main branch of pylint is not compatible with main branch of astroid until #8822, though.