def _change_module(self, resource, remove, only_current):
filters = [occurrences.NoImportsFilter(),
occurrences.PyNameFilter(self.pyname)]
if only_current and resource == self.original:
def check_aim(occurrence):
start, end = occurrence.get_primary_range()
if self.offset < start or end < self.offset:
return False
filters.insert(0, check_aim)
finder = occurrences.Finder(self.project, self.name, filters=filters)
changed = rename.rename_in_module(
finder, self.imported, resource=resource, replace_primary=True)
if changed and remove:
changed = _remove_from(self.project, self.pyname,
changed, resource)
return changed
def find_implementations(project,
resource,
offset,
resources=None,
task_handle=taskhandle.NullTaskHandle()):
"""Find the places a given method is overridden.
Finds the places a method is implemented. Returns a list of
`Location`\s.
"""
name = worder.get_name_at(resource, offset)
this_pymodule = project.pycore.resource_to_pyobject(resource)
pyname = rope.base.evaluate.eval_location(this_pymodule, offset)
if pyname is not None:
pyobject = pyname.get_object()
if not isinstance(pyobject, rope.base.pyobjects.PyFunction) or \
pyobject.get_kind() != 'method':
raise exceptions.BadIdentifierError('Not a method!')
else:
raise exceptions.BadIdentifierError('Cannot resolve the identifier!')
def is_defined(occurrence):
if not occurrence.is_defined():
return False
def not_self(occurrence):
if occurrence.get_pyname().get_object() == pyname.get_object():
return False
filters = [
is_defined, not_self,
occurrences.InHierarchyFilter(pyname, True)
]
finder = occurrences.Finder(project.pycore, name, filters=filters)
if resources is None:
resources = project.pycore.get_python_files()
job_set = task_handle.create_jobset('Finding Implementations',
count=len(resources))
return _find_locations(finder, resources, job_set)
def find_definition(project, code, offset, resource=None, maxfixes=1):
"""Return the definition location of the python name at `offset`
A `Location` object is returned if the definition location can be
determined, otherwise ``None`` is returned.
"""
fixer = fixsyntax.FixSyntax(project, code, resource, maxfixes)
pyname = fixer.pyname_at(offset)
if pyname is not None:
module, lineno = pyname.get_definition_location()
name = rope.base.worder.Worder(code).get_word_at(offset)
if lineno is not None:
start = module.lines.get_line_start(lineno)
def check_offset(occurrence):
if occurrence.offset < start:
return False
pyname_filter = occurrences.PyNameFilter(pyname)
finder = occurrences.Finder(project, name,
[check_offset, pyname_filter])
for occurrence in finder.find_occurrences(pymodule=module):
return Location(occurrence)
