def visit_Assign(self, node):
obj_list = [obj for values in self.obj_list.values() for obj in values]
for target in node.targets:
ignoreAssignment = False
if isinstance(target, ast.Subscript):
ignoreAssignment = True
break
tgt = [target]
if isinstance(target, ast.Tuple):
tgt = target.elts
t_value = []
for t in tgt:
t_value.append(".".join(get_node_value(t)))
target = ','.join(t_value)
if not ignoreAssignment:
if self.scope == "module":
target = GLOBAL_PREFIX + target
self.kill_obj_after_reassignment(target)
if isinstance(node.value, ast.Call):
src_func_name = get_node_value(node.value.func, obj_list)
fn_name = ".".join(src_func_name)
if fn_name not in self.func_list:
srclist = self.get_source_list(src_func_name)
for func_name in srclist:
self.add_node_to_graph(
GraphNode(func_name, '--becomes--', target,
node.lineno, node.col_offset))
self.obj_list[self.scope].append(target)
return self.generic_visit(node)
def visit_Assign(self, node):
obj_list = [obj for values in self.obj_list.values() for obj in values]
for target in node.targets:
ignoreAssignment=False
if isinstance(target, ast.Subscript):
ignoreAssignment = True
break
tgt = [target]
if isinstance(target, ast.Tuple):
tgt = target.elts
t_value = []
for t in tgt:
t_value.append(".".join(get_node_value(t)))
target = ','.join(t_value)
if not ignoreAssignment:
if self.scope == "module":
target = GLOBAL_PREFIX + target
self.kill_obj_after_reassignment(target)
if isinstance(node.value, ast.Call):
src_func_name = get_node_value(node.value.func, obj_list)
fn_name = ".".join(src_func_name)
if fn_name not in self.func_list:
srclist = self.get_source_list(src_func_name)
for func_name in srclist:
self.add_node_to_graph(
GraphNode(func_name, '--becomes--', target,
node.lineno, node.col_offset))
self.obj_list[self.scope].append(target)
return self.generic_visit(node)
def visit_With(self, node):
with_expr = ".".join(get_node_value(node.context_expr))
scope = "_".join(['with', with_expr])
self.scope = scope
self.obj_list[self.scope] = []
if isinstance(node.context_expr, ast.Call):
target = ".".join(get_node_value(node.optional_vars))
if len(target) != 0:
self.add_node_to_graph(
GraphNode(with_expr, '--becomes--', target, node.lineno,
node.col_offset))
self.obj_list[self.scope].append(target)
self.generic_visit(node)
self.clear_obj_list(scope)
def visit_With(self, node):
with_expr = ".".join(get_node_value(node.context_expr))
scope = "_".join(['with', with_expr])
self.scope = scope
self.obj_list[self.scope] = []
if isinstance(node.context_expr, ast.Call):
target = ".".join(get_node_value(node.optional_vars))
if len(target) != 0:
self.add_node_to_graph(
GraphNode(with_expr, '--becomes--', target,
node.lineno, node.col_offset))
self.obj_list[self.scope].append(target)
self.generic_visit(node)
self.clear_obj_list(scope)
def visit_FunctionDef(self, node):
scope = '_'.join(['function', node.name])
self.obj_list[scope] = []
self.scope = scope
for arg in node.args.args:
self.obj_list[scope].append(".".join(
get_node_value(arg, prefix=ARG_PREFIX)))
self.generic_visit(node)
self.clear_obj_list(scope)
def visit_FunctionDef(self, node):
scope = '_'.join(['function', node.name])
self.obj_list[scope] = []
self.scope = scope
for arg in node.args.args:
self.obj_list[scope].append(".".join(
get_node_value(arg, prefix=ARG_PREFIX)))
self.generic_visit(node)
self.clear_obj_list(scope)
def visit_Attribute(self, node):
obj_list = [obj for values in self.obj_list.values() for obj in values]
attr_func_name = get_node_value(node, obj_list)
if len(attr_func_name) != 0:
if ARG_PREFIX not in attr_func_name[0] \
and attr_func_name[0] in obj_list:
self.add_node_to_graph(
GraphNode(".".join(attr_func_name[:-1]), '--calls--',
attr_func_name[-1], node.lineno,
node.col_offset))
return self.generic_visit(node)
def visit_Attribute(self, node):
obj_list = [obj for values in self.obj_list.values() for obj in values]
attr_func_name = get_node_value(node, obj_list)
if len(attr_func_name) != 0:
if ARG_PREFIX not in attr_func_name[0] \
and attr_func_name[0] in obj_list:
self.add_node_to_graph(
GraphNode(".".join(attr_func_name[:-1]),
'--calls--', attr_func_name[-1],
node.lineno, node.col_offset))
return self.generic_visit(node)
def visit_FunctionDef(self, node):
"""Overloaded functions have same name"""
fn_name = node.name
arg_list = []
if node.args.args:
for arg in node.args.args:
if arg == 'self':
fn_name = arg + '.' + fn_name
else:
arg_list.append('.'.join(get_node_value(arg)))
self.func_list[node.name].append(arg_list)
return self.generic_visit(node)