"""This module can be used for performing cross-project refactorings
See the "cross-project refactorings" section of ``docs/library.txt``
file.
"""
from rope.base import resources,project,libutils
class MultiProjectRefactoring(object):
def __init__(self, refactoring, projects, addpath=True):
"""Create a multiproject proxy for the main refactoring
`projects` are other project.
"""
self.refactoring = refactoring
self.projects = projects
self.addpath = addpath
def __call__(self, project, *args, **kwds):
"""Create the refactoring"""
return _MultiRefactoring(self.refactoring, self.projects,
self.addpath, project, *args, **kwds)
class _MultiRefactoring(object):
def __init__(self, refactoring, other_projects, addpath,
project, *args, **kwds):
self.refactoring = refactoring
self.projects = [project] + other_projects
for other_project in other_projects:
for folder in self.project.pycore.get_source_folders():
other_project.get_prefs().add('python_path', folder.real_path)
self.refactorings = []
for other in self.projects:
args, kwds = self._resources_for_args(other, args, kwds)
self.refactorings.append(
self.refactoring(other, *args, **kwds))
def get_all_changes(self, *args, **kwds):
"""Get a project to changes dict"""
result = []
for project, refactoring in zip(self.projects, self.refactorings):
args, kwds = self._resources_for_args(project, args, kwds)
result.append((project, refactoring.get_changes(*args, **kwds)))
return result
def __getattr__(self, name):
return getattr(self.main_refactoring, name)
def _resources_for_args(self, project, args, kwds):
newargs = [self._change_project_resource(project, arg) for arg in args]
newkwds = dict((name, self._change_project_resource(project, value))
for name, value in kwds.items())
return newargs, newkwds
def _change_project_resource(self, project, obj):
if isinstance(obj, resources.Resource) and \
obj.project != project:
return libutils.path_to_resource(project, obj.real_path)
return obj
@property
def project(self):
return self.projects[0]
@property
def main_refactoring(self):
return self.refactorings[0]
def perform(project_changes):
for project, changes in project_changes:
project.do(changes)
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