rope_py3k / rope / base / oi /

import rope.base.ast
import rope.base.oi.soi
import rope.base.pynames
from rope.base import pyobjects, evaluate, astutils, arguments

def analyze_module(pycore, pymodule, should_analyze,
                   search_subscopes, followed_calls):
    """Analyze `pymodule` for static object inference

    Analyzes scopes for collecting object information.  The analysis
    starts from inner scopes.

    _analyze_node(pycore, pymodule, should_analyze,
                  search_subscopes, followed_calls)

def _analyze_node(pycore, pydefined, should_analyze,
                  search_subscopes, followed_calls):
    if search_subscopes(pydefined):
        for scope in pydefined.get_scope().get_scopes():
            _analyze_node(pycore, scope.pyobject, should_analyze,
                          search_subscopes, followed_calls)
    if should_analyze(pydefined):
        new_followed_calls = max(0, followed_calls - 1)
        return_true = lambda pydefined: True
        return_false = lambda pydefined: False
        def _follow(pyfunction):
            _analyze_node(pycore, pyfunction, return_true,
                          return_false, new_followed_calls)
        if not followed_calls:
            _follow = None
        visitor = SOAVisitor(pycore, pydefined, _follow)
        for child in rope.base.ast.get_child_nodes(pydefined.get_ast()):
            rope.base.ast.walk(child, visitor)

class SOAVisitor(object):

    def __init__(self, pycore, pydefined, follow_callback=None):
        self.pycore = pycore
        self.pymodule = pydefined.get_module()
        self.scope = pydefined.get_scope()
        self.follow = follow_callback

    def _FunctionDef(self, node):

    def _ClassDef(self, node):

    def _Call(self, node):
        for child in rope.base.ast.get_child_nodes(node):
            rope.base.ast.walk(child, self)
        primary, pyname = evaluate.eval_node2(self.scope, node.func)
        if pyname is None:
        pyfunction = pyname.get_object()
        if isinstance(pyfunction, pyobjects.AbstractFunction):
            args = arguments.create_arguments(primary, pyfunction,
                                              node, self.scope)
        elif isinstance(pyfunction, pyobjects.PyClass):
            pyclass = pyfunction
            if '__init__' in pyfunction:
                pyfunction = pyfunction['__init__'].get_object()
            pyname = rope.base.pynames.UnboundName(pyobjects.PyObject(pyclass))
            args = self._args_with_self(primary, pyname, pyfunction, node)
        elif '__call__' in pyfunction:
            pyfunction = pyfunction['__call__'].get_object()
            args = self._args_with_self(primary, pyname, pyfunction, node)
        self._call(pyfunction, args)

    def _args_with_self(self, primary, self_pyname, pyfunction, node):
        base_args = arguments.create_arguments(primary, pyfunction,
                                               node, self.scope)
        return arguments.MixedArguments(self_pyname, base_args, self.scope)

    def _call(self, pyfunction, args):
        if isinstance(pyfunction, pyobjects.PyFunction):
            if self.follow is not None:
                before = self._parameter_objects(pyfunction)
                pyfunction, args.get_arguments(pyfunction.get_param_names()))
            if self.follow is not None:
                after = self._parameter_objects(pyfunction)
                if after != before:
        # XXX: Maybe we should not call every builtin function
        if isinstance(pyfunction, rope.base.builtins.BuiltinFunction):

    def _parameter_objects(self, pyfunction):
        result = []
        for i in range(len(pyfunction.get_param_names(False))):
        return result

    def _Assign(self, node):
        for child in rope.base.ast.get_child_nodes(node):
            rope.base.ast.walk(child, self)
        visitor = _SOAAssignVisitor()
        nodes = []
        for child in node.targets:
            rope.base.ast.walk(child, visitor)
        for subscript, levels in nodes:
            instance = evaluate.eval_node(self.scope, subscript.value)
            args_pynames = []
            value = rope.base.oi.soi._infer_assignment(
                rope.base.pynames.AssignmentValue(node.value, levels), self.pymodule)
            if instance is not None and value is not None:
                pyobject = instance.get_object()
                if '__setitem__' in pyobject:
                    pyfunction = pyobject['__setitem__'].get_object()
                    args = arguments.ObjectArguments([instance] + args_pynames)
                    self._call(pyfunction, args)
                # IDEA: handle `__setslice__`, too

class _SOAAssignVisitor(astutils._NodeNameCollector):

    def __init__(self):
        super(_SOAAssignVisitor, self).__init__()
        self.nodes = []

    def _added(self, node, levels):
        if isinstance(node, rope.base.ast.Subscript) and \
           isinstance(node.slice, rope.base.ast.Index):
            self.nodes.append((node, levels))
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