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527 lines (405 loc) · 16.5 KB
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import re
import rope.base.change
import rope.contrib.generate
import rope.refactor.change_signature
import rope.refactor.extract
import rope.refactor.inline
import rope.refactor.introduce_factory
import rope.refactor.method_object
import rope.refactor.move
import rope.refactor.rename
import rope.refactor.restructure
import rope.refactor.usefunction
from rope.base import taskhandle
from ropemode import dialog, filter as file_filter
class Refactoring(object):
key = None
confs = {}
optionals = {}
saveall = True
def __init__(self, interface, env):
self.interface = interface
self.env = env
def show(self, initial_asking=True):
self.interface._check_project()
self.interface._save_buffers(only_current=not self.saveall)
self._create_refactoring()
action, result = dialog.show_dialog(
self.interface._askdata, ['perform', 'preview', 'cancel'],
self._get_confs(), self._get_optionals(),
initial_asking=initial_asking)
if action == 'cancel':
self.env.message('Cancelled!')
return
def calculate(handle):
return self._calculate_changes(result, handle)
name = 'Calculating %s changes' % self.name
changes = runtask(self.env, calculate, name=name)
if action == 'perform':
self._perform(changes)
if action == 'preview':
if changes is not None:
diffs = changes.get_description()
if self.env.preview_changes(diffs):
self._perform(changes)
else:
self.env.message('Thrown away!')
else:
self.env.message('No changes!')
@property
def project(self):
return self.interface.project
@property
def resource(self):
return self.interface._get_resource()
@property
def offset(self):
return self.env.get_offset()
@property
def region(self):
return self.env.get_region()
@property
def name(self):
return refactoring_name(self.__class__)
def _calculate_changes(self, option_values, task_handle):
pass
def _create_refactoring(self):
pass
def _done(self):
pass
def _perform(self, changes):
if changes is None:
self.env.message('No changes!')
return
def perform(handle, self=self, changes=changes):
self.project.do(changes, task_handle=handle)
self.interface._reload_buffers(changes)
self._done()
runtask(self.env, perform, 'Making %s changes' % self.name,
interrupts=False)
self.env.message(str(changes.description) + ' finished')
def _get_confs(self):
return self.confs
def _get_optionals(self):
return self.optionals
@property
def resources_option(self):
return dialog.Data('Files to apply this refactoring on: ',
decode=self._decode_resources)
def _decode_resources(self, value):
return _resources(self.project, value)
class Rename(Refactoring):
key = 'r'
saveall = True
def __init__(self, *args):
self.renamer = None
super(Rename, self).__init__(*args)
def _create_refactoring(self):
self.renamer = rope.refactor.rename.Rename(
self.project, self.resource, self.offset)
def _calculate_changes(self, values, task_handle):
return self.renamer.get_changes(task_handle=task_handle, **values)
def _get_optionals(self):
opts = {}
opts['docs'] = dialog.Boolean('Search comments and docs: ', True)
if self.renamer.is_method():
opts['in_hierarchy'] = dialog.Boolean('Rename methods in '
'class hierarchy: ')
opts['resources'] = self.resources_option
opts['unsure'] = dialog.Data('Unsure occurrences: ',
decode=self._decode_unsure,
values=['ignore', 'match'],
default='ignore')
return opts
def _get_confs(self):
oldname = str(self.renamer.get_old_name())
return {'new_name': dialog.Data('New name: ', default=oldname)}
def _decode_unsure(self, value):
unsure = value == 'match'
return lambda occurrence: unsure
class RenameCurrentModule(Rename):
key = '1 r'
offset = None
class Restructure(Refactoring):
key = 'x'
confs = {'pattern': dialog.Data('Restructuring pattern: '),
'goal': dialog.Data('Restructuring goal: ')}
def _calculate_changes(self, values, task_handle):
restructuring = rope.refactor.restructure.Restructure(
self.project, values['pattern'], values['goal'],
args=values['args'], imports=values['imports'])
return restructuring.get_changes(resources=values['resources'],
task_handle=task_handle)
def _get_optionals(self):
return {
'args': dialog.Data('Arguments: ', decode=self._decode_args),
'imports': dialog.Data('Imports: ', decode=self._decode_imports),
'resources': self.resources_option}
def _decode_args(self, value):
if value:
args = {}
for raw_check in value.split('\n'):
if raw_check:
key, value = raw_check.split(':', 1)
args[key.strip()] = value.strip()
return args
def _decode_imports(self, value):
if value:
return [line.strip() for line in value.split('\n')]
class UseFunction(Refactoring):
key = 'u'
def __init__(self, *args):
super(UseFunction, self).__init__(*args)
self.user = None
def _create_refactoring(self):
self.user = rope.refactor.usefunction.UseFunction(
self.project, self.resource, self.offset)
def _calculate_changes(self, values, task_handle):
return self.user.get_changes(task_handle=task_handle, **values)
def _get_optionals(self):
return {'resources': self.resources_option}
class Move(Refactoring):
key = 'v'
def __init__(self, *args):
super(Move, self).__init__(*args)
self.mover = None
def _create_refactoring(self):
self.mover = rope.refactor.move.create_move(self.project,
self.resource,
self.offset)
def _calculate_changes(self, values, task_handle):
destination = values['destination']
resources = values.get('resources', None)
if isinstance(self.mover, rope.refactor.move.MoveGlobal):
return self._move_global(destination, resources, task_handle)
if isinstance(self.mover, rope.refactor.move.MoveModule):
return self._move_module(destination, resources, task_handle)
if isinstance(self.mover, rope.refactor.move.MoveMethod):
return self._move_method(destination, resources, task_handle)
def _move_global(self, dest, resources, handle):
destination = self.project.pycore.find_module(dest)
return self.mover.get_changes(
destination, resources=resources, task_handle=handle)
def _move_method(self, dest, resources, handle):
return self.mover.get_changes(
dest, self.mover.get_method_name(),
resources=resources, task_handle=handle)
def _move_module(self, dest, resources, handle):
destination = self.project.pycore.find_module(dest)
return self.mover.get_changes(
destination, resources=resources, task_handle=handle)
def _get_confs(self):
if isinstance(self.mover, rope.refactor.move.MoveGlobal):
prompt = 'Destination module: '
if isinstance(self.mover, rope.refactor.move.MoveModule):
prompt = 'Destination package: '
if isinstance(self.mover, rope.refactor.move.MoveMethod):
prompt = 'Destination attribute: '
return {'destination': dialog.Data(prompt)}
def _get_optionals(self):
return {'resources': self.resources_option}
class MoveCurrentModule(Move):
key = '1 v'
offset = None
class ModuleToPackage(Refactoring):
key = '1 p'
saveall = False
def __init__(self, *args):
super(ModuleToPackage, self).__init__(*args)
self.packager = None
def _create_refactoring(self):
self.packager = rope.refactor.ModuleToPackage(
self.project, self.resource)
def _calculate_changes(self, values, task_handle):
return self.packager.get_changes()
class Inline(Refactoring):
key = 'i'
def __init__(self, *args):
super(Inline, self).__init__(*args)
self.inliner = None
def _create_refactoring(self):
self.inliner = rope.refactor.inline.create_inline(
self.project, self.resource, self.offset)
def _calculate_changes(self, values, task_handle):
return self.inliner.get_changes(task_handle=task_handle, **values)
def _get_optionals(self):
opts = {'resources': self.resources_option}
if self.inliner.get_kind() == 'parameter':
opts['in_hierarchy'] = dialog.Boolean(
'Apply on all matching methods in class hierarchy: ', False)
else:
opts['remove'] = dialog.Boolean('Remove the definition: ', True)
opts['only_current'] = dialog.Boolean('Inline this '
'occurrence only: ')
return opts
class _Extract(Refactoring):
saveall = False
optionals = {'similar': dialog.Boolean('Extract similar pieces: ', True),
'global_': dialog.Boolean('Make global: ')}
kind = None
constructor = rope.refactor.extract.ExtractVariable
def __init__(self, *args):
super(_Extract, self).__init__(*args)
self.extractor = None
def _create_refactoring(self):
start, end = self.region
self.extractor = self.constructor(self.project,
self.resource, start, end)
def _calculate_changes(self, values, task_handle):
similar = values.get('similar')
global_ = values.get('global_')
return self.extractor.get_changes(values['name'], similar=similar,
global_=global_)
def _get_confs(self):
return {'name': dialog.Data('Extracted %s name: ' % self.kind)}
class ExtractVariable(_Extract):
key = 'l'
kind = 'variable'
constructor = rope.refactor.extract.ExtractVariable
class ExtractMethod(_Extract):
key = 'm'
kind = 'method'
constructor = rope.refactor.extract.ExtractMethod
class OrganizeImports(Refactoring):
key = 'o'
saveall = False
def __init__(self, *args):
self.organizer = None
super(OrganizeImports, self).__init__(*args)
def _create_refactoring(self):
self.organizer = rope.refactor.ImportOrganizer(self.project)
def _calculate_changes(self, values, task_handle):
return self.organizer.organize_imports(self.resource)
class MethodObject(Refactoring):
saveall = False
confs = {'classname': dialog.Data('New class name: ',
default='_ExtractedClass')}
def _create_refactoring(self):
self.objecter = rope.refactor.method_object.MethodObject(
self.project, self.resource, self.offset)
def _calculate_changes(self, values, task_handle):
classname = values.get('classname')
return self.objecter.get_changes(classname)
class IntroduceFactory(Refactoring):
saveall = True
key = 'f'
def __init__(self, *args):
super(IntroduceFactory, self).__init__(*args)
self.factory = None
def _create_refactoring(self):
self.factory = rope.refactor.introduce_factory.IntroduceFactory(
self.project, self.resource, self.offset)
def _calculate_changes(self, values, task_handle):
return self.factory.get_changes(task_handle=task_handle, **values)
def _get_confs(self):
default = 'create_%s' % self.factory.old_name.lower()
return {'factory_name': dialog.Data('Factory name: ', default)}
def _get_optionals(self):
return {'global_factory': dialog.Boolean('Make global: ', True),
'resources': self.resources_option}
class ChangeSignature(Refactoring):
saveall = True
key = 's'
def __init__(self, *args):
super(ChangeSignature, self).__init__(*args)
self.changer = None
def _create_refactoring(self):
self.changer = rope.refactor.change_signature.ChangeSignature(
self.project, self.resource, self.offset)
def _calculate_changes(self, values, task_handle):
signature = values.get('signature')
args = re.sub(r'[\s\(\)]+', '', signature).split(',')
olds = [arg[0] for arg in self._get_args()]
changers = []
for arg in list(olds):
if arg in args:
continue
changers.append(rope.refactor.change_signature.
ArgumentRemover(olds.index(arg)))
olds.remove(arg)
order = []
for index, arg in enumerate(args):
if arg not in olds:
changers.append(rope.refactor.change_signature.
ArgumentAdder(index, arg))
olds.insert(index, arg)
order.append(olds.index(arg))
changers.append(rope.refactor.change_signature.
ArgumentReorderer(order, autodef='None'))
del values['signature']
return self.changer.get_changes(changers, task_handle=task_handle,
**values)
def _get_args(self):
if hasattr(self.changer, 'get_args'):
return self.changer.get_args()
return self.changer.get_definition_info().args_with_defaults
def _get_confs(self):
args = []
for arg, _ in self._get_args():
args.append(arg)
signature = '(' + ', '.join(args) + ')'
return {'signature': dialog.Data('Change the signature: ',
default=signature)}
def _get_optionals(self):
opts = {'resources': self.resources_option}
if self.changer.is_method():
opts['in_hierarchy'] = dialog.Boolean('Rename methods in '
'class hierarchy: ')
return opts
class _GenerateElement(Refactoring):
def __init__(self, *args):
super(_GenerateElement, self).__init__(*args)
self.generator = None
def _create_refactoring(self):
kind = self.name.split('_')[-1]
self.generator = rope.contrib.generate.create_generate(
kind, self.project, self.resource, self.offset)
def _calculate_changes(self, values, task_handle):
return self.generator.get_changes()
def _done(self):
resource, lineno = self.generator.get_location()
self.interface._goto_location(resource, lineno)
class GenerateVariable(_GenerateElement):
key = 'n v'
class GenerateFunction(_GenerateElement):
key = 'n f'
class GenerateClass(_GenerateElement):
key = 'n c'
class GenerateModule(_GenerateElement):
key = 'n m'
class GeneratePackage(_GenerateElement):
key = 'n p'
def refactoring_name(refactoring):
classname = refactoring.__name__
result = []
for c in classname:
if result and c.isupper():
result.append('_')
result.append(c.lower())
name = ''.join(result)
return name
def _resources(project, text):
if text is None or text.strip() == '':
return None
return file_filter.resources(project, text)
def runtask(env, command, name, interrupts=True):
return RunTask(env, command, name, interrupts)()
class RunTask(object):
def __init__(self, env, task, name, interrupts=True):
self.env = env
self.task = task
self.name = name
self.interrupts = interrupts
def __call__(self):
handle = taskhandle.TaskHandle(name=self.name)
progress = self.env.create_progress(self.name)
def update_progress():
jobset = handle.current_jobset()
if jobset:
percent = jobset.get_percent_done()
if percent is not None:
progress.update(percent)
handle.add_observer(update_progress)
result = self.task(handle)
progress.done()
return result