pythonVSCode/pythonFiles/rope/base/pyobjectsdef.py at master · SpenHanley/pythonVSCode · GitHub

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import rope.base.builtins

import rope.base.codeanalyze

import rope.base.evaluate

import rope.base.libutils

import rope.base.oi.soi

import rope.base.pyscopes

from rope.base import (pynamesdef as pynames, exceptions, ast,

astutils, pyobjects, fscommands, arguments, utils)

from rope.base.utils import pycompat

try:

unicode

except NameError:

unicode = str

class PyFunction(pyobjects.PyFunction):

def __init__(self, pycore, ast_node, parent):

rope.base.pyobjects.AbstractFunction.__init__(self)

rope.base.pyobjects.PyDefinedObject.__init__(

self, pycore, ast_node, parent)

self.arguments = self.ast_node.args

self.parameter_pyobjects = pynames._Inferred(

self._infer_parameters, self.get_module()._get_concluded_data())

self.returned = pynames._Inferred(self._infer_returned)

self.parameter_pynames = None

def _create_structural_attributes(self):

return {}

def _create_concluded_attributes(self):

return {}

def _create_scope(self):

return rope.base.pyscopes.FunctionScope(self.pycore, self,

_FunctionVisitor)

def _infer_parameters(self):

pyobjects = rope.base.oi.soi.infer_parameter_objects(self)

self._handle_special_args(pyobjects)

return pyobjects

def _infer_returned(self, args=None):

return rope.base.oi.soi.infer_returned_object(self, args)

def _handle_special_args(self, pyobjects):

if len(pyobjects) == len(self.arguments.args):

if self.arguments.vararg:

pyobjects.append(rope.base.builtins.get_list())

if self.arguments.kwarg:

pyobjects.append(rope.base.builtins.get_dict())

def _set_parameter_pyobjects(self, pyobjects):

if pyobjects is not None:

self._handle_special_args(pyobjects)

self.parameter_pyobjects.set(pyobjects)

def get_parameters(self):

if self.parameter_pynames is None:

result = {}

for index, name in enumerate(self.get_param_names()):

# TODO: handle tuple parameters

result[name] = pynames.ParameterName(self, index)

self.parameter_pynames = result

return self.parameter_pynames

def get_parameter(self, index):

if index < len(self.parameter_pyobjects.get()):

return self.parameter_pyobjects.get()[index]

def get_returned_object(self, args):

return self.returned.get(args)

def get_name(self):

return self.get_ast().name

def get_param_names(self, special_args=True):

# TODO: handle tuple parameters

result = [pycompat.get_ast_arg_arg(node) for node in self.arguments.args

if isinstance(node, pycompat.ast_arg_type)]

if special_args:

if self.arguments.vararg:

result.append(pycompat.get_ast_arg_arg(self.arguments.vararg))

if self.arguments.kwarg:

result.append(pycompat.get_ast_arg_arg(self.arguments.kwarg))

return result

def get_kind(self):

"""Get function type

It returns one of 'function', 'method', 'staticmethod' or

'classmethod' strs.

"""

scope = self.parent.get_scope()

if isinstance(self.parent, PyClass):

for decorator in self.decorators:

pyname = rope.base.evaluate.eval_node(scope, decorator)

if pyname == rope.base.builtins.builtins['staticmethod']:

return 'staticmethod'

if pyname == rope.base.builtins.builtins['classmethod']:

return 'classmethod'

return 'method'

return 'function'

@property

def decorators(self):

try:

return getattr(self.ast_node, 'decorator_list')

except AttributeError:

return getattr(self.ast_node, 'decorators', None)

class PyClass(pyobjects.PyClass):

def __init__(self, pycore, ast_node, parent):

self.visitor_class = _ClassVisitor

rope.base.pyobjects.AbstractClass.__init__(self)

rope.base.pyobjects.PyDefinedObject.__init__(

self, pycore, ast_node, parent)

self.parent = parent

self._superclasses = self.get_module()._get_concluded_data()

def get_superclasses(self):

if self._superclasses.get() is None:

self._superclasses.set(self._get_bases())

return self._superclasses.get()

def get_name(self):

return self.get_ast().name

def _create_concluded_attributes(self):

result = {}

for base in reversed(self.get_superclasses()):

result.update(base.get_attributes())

return result

def _get_bases(self):

result = []

for base_name in self.ast_node.bases:

base = rope.base.evaluate.eval_node(self.parent.get_scope(),

base_name)

if base is not None and \

base.get_object().get_type() == \

rope.base.pyobjects.get_base_type('Type'):

result.append(base.get_object())

return result

def _create_scope(self):

return rope.base.pyscopes.ClassScope(self.pycore, self)

class PyModule(pyobjects.PyModule):

def __init__(self, pycore, source=None,

resource=None, force_errors=False):

ignore = pycore.project.prefs.get('ignore_syntax_errors', False)

syntax_errors = force_errors or not ignore

self.has_errors = False

try:

source, node = self._init_source(pycore, source, resource)

except exceptions.ModuleSyntaxError:

self.has_errors = True

if syntax_errors:

raise

else:

source = '\n'

node = ast.parse('\n')

self.source_code = source

self.star_imports = []

self.visitor_class = _GlobalVisitor

self.coding = fscommands.read_str_coding(self.source_code)

super(PyModule, self).__init__(pycore, node, resource)

def _init_source(self, pycore, source_code, resource):

filename = 'string'

if resource:

filename = resource.path

try:

if source_code is None:

source_bytes = resource.read_bytes()

source_code = fscommands.file_data_to_unicode(source_bytes)

else:

if isinstance(source_code, unicode):

source_bytes = fscommands.unicode_to_file_data(source_code)

else:

source_bytes = source_code

ast_node = ast.parse(source_bytes, filename=filename)

except SyntaxError as e:

raise exceptions.ModuleSyntaxError(filename, e.lineno, e.msg)

except UnicodeDecodeError as e:

raise exceptions.ModuleSyntaxError(filename, 1, '%s' % (e.reason))

return source_code, ast_node

@utils.prevent_recursion(lambda: {})

def _create_concluded_attributes(self):

result = {}

for star_import in self.star_imports:

result.update(star_import.get_names())

return result

def _create_scope(self):

return rope.base.pyscopes.GlobalScope(self.pycore, self)

@property

@utils.saveit

def lines(self):

"""A `SourceLinesAdapter`"""

return rope.base.codeanalyze.SourceLinesAdapter(self.source_code)

@property

@utils.saveit

def logical_lines(self):

"""A `LogicalLinesFinder`"""

return rope.base.codeanalyze.CachingLogicalLineFinder(self.lines)

class PyPackage(pyobjects.PyPackage):

def __init__(self, pycore, resource=None, force_errors=False):

self.resource = resource

init_dot_py = self._get_init_dot_py()

if init_dot_py is not None:

ast_node = pycore.project.get_pymodule(

init_dot_py, force_errors=force_errors).get_ast()

else:

ast_node = ast.parse('\n')

super(PyPackage, self).__init__(pycore, ast_node, resource)

def _create_structural_attributes(self):

result = {}

modname = rope.base.libutils.modname(self.resource)

extension_submodules = self.pycore._builtin_submodules(modname)

for name, module in extension_submodules.items():

result[name] = rope.base.builtins.BuiltinName(module)

if self.resource is None:

return result

for name, resource in self._get_child_resources().items():

result[name] = pynames.ImportedModule(self, resource=resource)

return result

def _create_concluded_attributes(self):

result = {}

init_dot_py = self._get_init_dot_py()

if init_dot_py:

init_object = self.pycore.project.get_pymodule(init_dot_py)

result.update(init_object.get_attributes())

return result

def _get_child_resources(self):

result = {}

for child in self.resource.get_children():

if child.is_folder():

result[child.name] = child

elif child.name.endswith('.py') and \

child.name != '__init__.py':

name = child.name[:-3]

result[name] = child

return result

def _get_init_dot_py(self):

if self.resource is not None and \

self.resource.has_child('__init__.py'):

return self.resource.get_child('__init__.py')

else:

return None

def _create_scope(self):

return self.get_module().get_scope()

def get_module(self):

init_dot_py = self._get_init_dot_py()

if init_dot_py:

return self.pycore.project.get_pymodule(init_dot_py)

return self

class _AssignVisitor(object):

def __init__(self, scope_visitor):

self.scope_visitor = scope_visitor

self.assigned_ast = None

def _Assign(self, node):

self.assigned_ast = node.value

for child_node in node.targets:

ast.walk(child_node, self)

def _assigned(self, name, assignment=None):

self.scope_visitor._assigned(name, assignment)

def _Name(self, node):

assignment = None

if self.assigned_ast is not None:

assignment = pynames.AssignmentValue(self.assigned_ast)

self._assigned(node.id, assignment)

def _Tuple(self, node):

names = astutils.get_name_levels(node)

for name, levels in names:

assignment = None

if self.assigned_ast is not None:

assignment = pynames.AssignmentValue(self.assigned_ast, levels)

self._assigned(name, assignment)

def _Attribute(self, node):

pass

def _Subscript(self, node):

pass

def _Slice(self, node):

pass

class _ScopeVisitor(object):

def __init__(self, pycore, owner_object):

self.pycore = pycore

self.owner_object = owner_object

self.names = {}

self.defineds = []

def get_module(self):

if self.owner_object is not None:

return self.owner_object.get_module()

else:

return None

def _ClassDef(self, node):

pyclass = PyClass(self.pycore, node, self.owner_object)

self.names[node.name] = pynames.DefinedName(pyclass)

self.defineds.append(pyclass)

def _FunctionDef(self, node):

pyfunction = PyFunction(self.pycore, node, self.owner_object)

for decorator in pyfunction.decorators:

if isinstance(decorator, ast.Name) and decorator.id == 'property':

if isinstance(self, _ClassVisitor):

type_ = rope.base.builtins.Property(pyfunction)

arg = pynames.UnboundName(

rope.base.pyobjects.PyObject(self.owner_object))

def _eval(type_=type_, arg=arg):

return type_.get_property_object(

arguments.ObjectArguments([arg]))

self.names[node.name] = pynames.EvaluatedName(

_eval, module=self.get_module(), lineno=node.lineno)

break

else:

self.names[node.name] = pynames.DefinedName(pyfunction)

self.defineds.append(pyfunction)

def _Assign(self, node):

ast.walk(node, _AssignVisitor(self))

def _AugAssign(self, node):

pass

def _For(self, node):

names = self._update_evaluated(node.target, node.iter, # noqa

'.__iter__().next()')

for child in node.body + node.orelse:

ast.walk(child, self)

def _assigned(self, name, assignment):

pyname = self.names.get(name, None)

if pyname is None:

pyname = pynames.AssignedName(module=self.get_module())

if isinstance(pyname, pynames.AssignedName):

if assignment is not None:

pyname.assignments.append(assignment)

self.names[name] = pyname

def _update_evaluated(self, targets, assigned,

evaluation='', eval_type=False):

result = {}

if isinstance(targets, str):

assignment = pynames.AssignmentValue(assigned, [],

evaluation, eval_type)

self._assigned(targets, assignment)

else:

names = astutils.get_name_levels(targets)

for name, levels in names:

assignment = pynames.AssignmentValue(assigned, levels,

evaluation, eval_type)

self._assigned(name, assignment)

return result

def _With(self, node):

for item in pycompat.get_ast_with_items(node):

if item.optional_vars:

self._update_evaluated(item.optional_vars,

item.context_expr, '.__enter__()')

for child in node.body:

ast.walk(child, self)

def _excepthandler(self, node):

node_name_type = str if pycompat.PY3 else ast.Name

if node.name is not None and isinstance(node.name, node_name_type):

type_node = node.type

if isinstance(node.type, ast.Tuple) and type_node.elts:

type_node = type_node.elts[0]

self._update_evaluated(node.name, type_node, eval_type=True)

for child in node.body:

ast.walk(child, self)

def _ExceptHandler(self, node):

self._excepthandler(node)

def _Import(self, node):

for import_pair in node.names:

module_name = import_pair.name

alias = import_pair.asname

first_package = module_name.split('.')[0]

if alias is not None:

imported = pynames.ImportedModule(self.get_module(),

module_name)

if not self._is_ignored_import(imported):

self.names[alias] = imported

else:

imported = pynames.ImportedModule(self.get_module(),

first_package)

if not self._is_ignored_import(imported):

self.names[first_package] = imported

def _ImportFrom(self, node):

level = 0

if node.level:

level = node.level

imported_module = pynames.ImportedModule(self.get_module(),

node.module, level)

if self._is_ignored_import(imported_module):

return

if len(node.names) == 1 and node.names[0].name == '*':

if isinstance(self.owner_object, PyModule):

self.owner_object.star_imports.append(

StarImport(imported_module))

else:

for imported_name in node.names:

imported = imported_name.name

alias = imported_name.asname

if alias is not None:

imported = alias

self.names[imported] = pynames.ImportedName(imported_module,

imported_name.name)

def _is_ignored_import(self, imported_module):

if not self.pycore.project.prefs.get('ignore_bad_imports', False):

return False

return not isinstance(imported_module.get_object(),

rope.base.pyobjects.AbstractModule)

def _Global(self, node):

module = self.get_module()

for name in node.names:

if module is not None:

try:

pyname = module[name]

except exceptions.AttributeNotFoundError:

pyname = pynames.AssignedName(node.lineno)

self.names[name] = pyname

class _GlobalVisitor(_ScopeVisitor):

def __init__(self, pycore, owner_object):

super(_GlobalVisitor, self).__init__(pycore, owner_object)

class _ClassVisitor(_ScopeVisitor):

def __init__(self, pycore, owner_object):

super(_ClassVisitor, self).__init__(pycore, owner_object)

def _FunctionDef(self, node):

_ScopeVisitor._FunctionDef(self, node)

if len(node.args.args) > 0:

first = node.args.args[0]

new_visitor = None

if isinstance(first, pycompat.ast_arg_type):

new_visitor = _ClassInitVisitor(self, pycompat.get_ast_arg_arg(first))

if new_visitor is not None:

for child in ast.get_child_nodes(node):

ast.walk(child, new_visitor)

class _FunctionVisitor(_ScopeVisitor):

def __init__(self, pycore, owner_object):

super(_FunctionVisitor, self).__init__(pycore, owner_object)

self.returned_asts = []

self.generator = False

def _Return(self, node):

if node.value is not None:

self.returned_asts.append(node.value)

def _Yield(self, node):

if node.value is not None:

self.returned_asts.append(node.value)

self.generator = True

class _ClassInitVisitor(_AssignVisitor):

def __init__(self, scope_visitor, self_name):

super(_ClassInitVisitor, self).__init__(scope_visitor)

self.self_name = self_name

def _Attribute(self, node):

if not isinstance(node.ctx, ast.Store):

return

if isinstance(node.value, ast.Name) and \

node.value.id == self.self_name:

if node.attr not in self.scope_visitor.names:

self.scope_visitor.names[node.attr] = pynames.AssignedName(

lineno=node.lineno, module=self.scope_visitor.get_module())

if self.assigned_ast is not None:

pyname = self.scope_visitor.names[node.attr]

if isinstance(pyname, pynames.AssignedName):

pyname.assignments.append(

pynames.AssignmentValue(self.assigned_ast))

def _Tuple(self, node):

if not isinstance(node.ctx, ast.Store):

return

for child in ast.get_child_nodes(node):

ast.walk(child, self)

def _Name(self, node):

pass

def _FunctionDef(self, node):

pass

def _ClassDef(self, node):

pass

def _For(self, node):

pass

def _With(self, node):

pass

class StarImport(object):

def __init__(self, imported_module):

self.imported_module = imported_module

def get_names(self):

result = {}

imported = self.imported_module.get_object()

for name in imported:

if not name.startswith('_'):

result[name] = pynames.ImportedName(self.imported_module, name)

return result

pythonVSCode/pythonFiles/rope/base/pyobjectsdef.py at master · SpenHanley/pythonVSCode · GitHub

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