pythonVSCode/pythonFiles/rope/base/pynames.py at master · modulexcite/pythonVSCode · GitHub

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import rope.base.pyobjects

from rope.base import exceptions, utils

class PyName(object):

"""References to `PyObject`\s inside python programs"""

def get_object(self):

"""Return the `PyObject` object referenced by this `PyName`"""

def get_definition_location(self):

"""Return a (module, lineno) tuple"""

class DefinedName(PyName):

def __init__(self, pyobject):

self.pyobject = pyobject

def get_object(self):

return self.pyobject

def get_definition_location(self):

return (self.pyobject.get_module(), self.pyobject.get_ast().lineno)

class AssignedName(PyName):

"""Only a placeholder"""

class UnboundName(PyName):

def __init__(self, pyobject=None):

self.pyobject = pyobject

if self.pyobject is None:

self.pyobject = rope.base.pyobjects.get_unknown()

def get_object(self):

return self.pyobject

def get_definition_location(self):

return (None, None)

class AssignmentValue(object):

"""An assigned expression"""

def __init__(self, ast_node, levels=None, evaluation='',

assign_type=False):

"""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]``.

"""

self.ast_node = ast_node

if levels is None:

self.levels = []

else:

self.levels = levels

self.evaluation = evaluation

self.assign_type = assign_type

def get_lineno(self):

return self.ast_node.lineno

class EvaluatedName(PyName):

"""A name whose object will be evaluated later"""

def __init__(self, callback, module=None, lineno=None):

self.module = module

self.lineno = lineno

self.callback = callback

self.pyobject = _Inferred(callback, _get_concluded_data(module))

def get_object(self):

return self.pyobject.get()

def get_definition_location(self):

return (self.module, self.lineno)

def invalidate(self):

"""Forget the `PyObject` this `PyName` holds"""

self.pyobject.set(None)

class ParameterName(PyName):

"""Only a placeholder"""

class ImportedModule(PyName):

def __init__(self, importing_module, module_name=None,

level=0, resource=None):

self.importing_module = importing_module

self.module_name = module_name

self.level = level

self.resource = resource

self.pymodule = _get_concluded_data(self.importing_module)

def _current_folder(self):

resource = self.importing_module.get_module().get_resource()

if resource is None:

return None

return resource.parent

def _get_pymodule(self):

if self.pymodule.get() is None:

pycore = self.importing_module.pycore

if self.resource is not None:

self.pymodule.set(pycore.project.get_pymodule(self.resource))

elif self.module_name is not None:

try:

if self.level == 0:

pymodule = pycore.project.get_module(

self.module_name, self._current_folder())

else:

pymodule = pycore.project.get_relative_module(

self.module_name, self._current_folder(),

self.level)

self.pymodule.set(pymodule)

except exceptions.ModuleNotFoundError:

pass

return self.pymodule.get()

def get_object(self):

if self._get_pymodule() is None:

return rope.base.pyobjects.get_unknown()

return self._get_pymodule()

def get_definition_location(self):

pymodule = self._get_pymodule()

if not isinstance(pymodule, rope.base.pyobjects.PyDefinedObject):

return (None, None)

return (pymodule.get_module(), 1)

class ImportedName(PyName):

def __init__(self, imported_module, imported_name):

self.imported_module = imported_module

self.imported_name = imported_name

def _get_imported_pyname(self):

try:

result = self.imported_module.get_object()[self.imported_name]

if result != self:

return result

except exceptions.AttributeNotFoundError:

pass

return UnboundName()

@utils.prevent_recursion(rope.base.pyobjects.get_unknown)

def get_object(self):

return self._get_imported_pyname().get_object()

@utils.prevent_recursion(lambda: (None, None))

def get_definition_location(self):

return self._get_imported_pyname().get_definition_location()

def _get_concluded_data(module):

if module is None:

return rope.base.pyobjects._ConcludedData()

return module._get_concluded_data()

def _circular_inference():

raise rope.base.pyobjects.IsBeingInferredError(

'Circular Object Inference')

class _Inferred(object):

def __init__(self, get_inferred, concluded=None):

self.get_inferred = get_inferred

self.concluded = concluded

if self.concluded is None:

self.temp = None

@utils.prevent_recursion(_circular_inference)

def get(self, *args, **kwds):

if self.concluded is None or self.concluded.get() is None:

self.set(self.get_inferred(*args, **kwds))

if self._get() is None:

self.set(rope.base.pyobjects.get_unknown())

return self._get()

def set(self, pyobject):

if self.concluded is not None:

self.concluded.set(pyobject)

self.temp = pyobject

def _get(self):

if self.concluded is not None:

return self.concluded.get()

return self.temp

pythonVSCode/pythonFiles/rope/base/pynames.py at master · modulexcite/pythonVSCode · GitHub

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