def _change_calls(
self,
call_changer,
in_hierarchy=None,
resources=None,
handle=taskhandle.NullTaskHandle(),
):
if resources is None:
resources = self.project.get_python_files()
changes = ChangeSet("Changing signature of <%s>" % self.name)
job_set = handle.create_jobset("Collecting Changes", len(resources))
finder = occurrences.create_finder(
self.project,
self.name,
self.pyname,
instance=self.primary,
in_hierarchy=in_hierarchy and self.is_method(),
)
if self.others:
name, pyname = self.others
constructor_finder = occurrences.create_finder(self.project,
name,
pyname,
only_calls=True)
finder = _MultipleFinders([finder, constructor_finder])
for file in resources:
job_set.started_job(file.path)
change_calls = _ChangeCallsInModule(self.project, finder, file,
call_changer)
changed_file = change_calls.get_changed_module()
if changed_file is not None:
changes.add_change(ChangeContents(file, changed_file))
job_set.finished_job()
return changes
def find_occurrences(project,
resource,
offset,
unsure=False,
resources=None,
in_hierarchy=False,
task_handle=taskhandle.NullTaskHandle()):
"""Return a list of `Location`\s
If `unsure` is `True`, possible matches are returned, too. You
can use `Location.unsure` to see which are unsure occurrences.
`resources` can be a list of `rope.base.resource.File`\s that
should be searched for occurrences; if `None` all python files
in the project are searched.
"""
name = worder.get_name_at(resource, offset)
this_pymodule = project.pycore.resource_to_pyobject(resource)
primary, pyname = rope.base.evaluate.eval_location2(this_pymodule, offset)
def is_match(occurrence):
return unsure
finder = occurrences.create_finder(project.pycore,
name,
pyname,
unsure=is_match,
in_hierarchy=in_hierarchy,
instance=primary)
if resources is None:
resources = project.pycore.get_python_files()
job_set = task_handle.create_jobset('Finding Occurrences',
count=len(resources))
return _find_locations(finder, resources, job_set)
def _change_function_occurances(self, collector, function_start,
function_end, new_name):
finder = occurrences.create_finder(self.pycore, self.name, self.pyname)
for occurrence in finder.find_occurrences(resource=self.resource):
start, end = occurrence.get_primary_range()
if function_start <= start < function_end:
collector.add_change(start, end, new_name)
def _inline_variable(pycore, pymodule, pyname, name,
remove=True, region=None):
assignment = pyname.assignments[0]
definition_line = assignment.ast_node.lineno
lines = pymodule.lines
logicals = pymodule.logical_lines
start, end = logicals.logical_line_in(definition_line)
definition_with_assignment = _join_lines(
[lines.get_line(n) for n in range(start, end + 1)])
if assignment.levels:
raise rope.base.exceptions.RefactoringError(
'Cannot inline tuple assignments.')
definition = definition_with_assignment[definition_with_assignment.\
index('=') + 1:].strip()
occurrence_finder = occurrences.create_finder(pycore, name, pyname)
changed_source = rename.rename_in_module(
occurrence_finder, definition, pymodule=pymodule,
replace_primary=True, writes=False, region=region)
if changed_source is None:
changed_source = pymodule.source_code
if remove:
lines = codeanalyze.SourceLinesAdapter(changed_source)
source = changed_source[:lines.get_line_start(start)] + \
changed_source[lines.get_line_end(end) + 1:]
else:
source = changed_source
return source
def _change_function_occurances(self, collector, function_start,
function_end, new_name):
finder = occurrences.create_finder(self.pycore, self.name, self.pyname)
for occurrence in finder.find_occurrences(resource=self.resource):
start, end = occurrence.get_primary_range()
if function_start <= start < function_end:
collector.add_change(start, end, new_name)
def _calculate_definition(self, primary, pyname, call, host_vars, returns):
header, to_be_inlined = self._calculate_header(primary, pyname, call)
source = header + self.body
mod = libutils.get_string_module(self.project, source)
name_dict = mod.get_scope().get_names()
all_names = [x for x in name_dict if not isinstance(name_dict[x], rope.base.builtins.BuiltinName)]
# If there is a name conflict, all variable names
# inside the inlined function are renamed
if len(set(all_names).intersection(set(host_vars))) > 0:
prefix = _DefinitionGenerator.unique_prefix.next()
guest = libutils.get_string_module(self.project, source, self.resource)
to_be_inlined = [prefix + item for item in to_be_inlined]
for item in all_names:
pyname = guest[item]
occurrence_finder = occurrences.create_finder(self.project, item, pyname)
source = rename.rename_in_module(occurrence_finder, prefix + item, pymodule=guest)
guest = libutils.get_string_module(self.project, source, self.resource)
# parameters not reassigned inside the functions are now inlined.
for name in to_be_inlined:
pymodule = libutils.get_string_module(self.project, source, self.resource)
pyname = pymodule[name]
source = _inline_variable(self.project, pymodule, pyname, name)
return self._replace_returns_with(source, returns)
def find_occurrences(project, resource, offset, unsure=False, resources=None,
in_hierarchy=False,
task_handle=taskhandle.NullTaskHandle()):
"""Return a list of `Location`\s
If `unsure` is `True`, possible matches are returned, too. You
can use `Location.unsure` to see which are unsure occurrences.
`resources` can be a list of `rope.base.resource.File`\s that
should be searched for occurrences; if `None` all python files
in the project are searched.
"""
name = worder.get_name_at(resource, offset)
this_pymodule = project.get_pymodule(resource)
primary, pyname = rope.base.evaluate.eval_location2(
this_pymodule, offset)
def is_match(occurrence):
return unsure
finder = occurrences.create_finder(
project, name, pyname, unsure=is_match,
in_hierarchy=in_hierarchy, instance=primary)
if resources is None:
resources = project.get_python_files()
job_set = task_handle.create_jobset('Finding Occurrences',
count=len(resources))
return _find_locations(finder, resources, job_set)
def _inline_variable(project,
pymodule,
pyname,
name,
remove=True,
region=None,
docs=False):
definition = _getvardef(pymodule, pyname)
start, end = _assigned_lineno(pymodule, pyname)
occurrence_finder = occurrences.create_finder(project,
name,
pyname,
docs=docs)
changed_source = rename.rename_in_module(occurrence_finder,
definition,
pymodule=pymodule,
replace_primary=True,
writes=False,
region=region)
if changed_source is None:
changed_source = pymodule.source_code
if remove:
lines = codeanalyze.SourceLinesAdapter(changed_source)
source = changed_source[:lines.get_line_start(start)] + \
changed_source[lines.get_line_end(end) + 1:]
else:
source = changed_source
return source
def _rename_in_module(self, pymodule, name, new_name, till_dot=False):
old_name = name.split(".")[-1]
old_pyname = rope.base.evaluate.eval_str(pymodule.get_scope(), name)
occurrence_finder = occurrences.create_finder(self.project,
old_name,
old_pyname,
imports=False)
changes = rope.base.codeanalyze.ChangeCollector(pymodule.source_code)
for occurrence in occurrence_finder.find_occurrences(
pymodule=pymodule):
start, end = occurrence.get_primary_range()
if till_dot:
new_end = pymodule.source_code.index(".", end) + 1
space = pymodule.source_code[end:new_end - 1].strip()
if not space == "":
for c in space:
if not c.isspace() and c not in "\\":
raise ValueError()
end = new_end
changes.add_change(start, end, new_name)
source = changes.get_changed()
if source is not None:
pymodule = libutils.get_string_module(self.project, source,
pymodule.get_resource())
return pymodule
def get_changes(self, new_name, in_file=None, in_hierarchy=False,
unsure=None, docs=False, resources=None,
task_handle=taskhandle.NullTaskHandle()):
"""Get the changes needed for this refactoring
Parameters:
- `in_hierarchy`: when renaming a method this keyword forces
to rename all matching methods in the hierarchy
- `docs`: when `True` rename refactoring will rename
occurrences in comments and strings where the name is
visible. Setting it will make renames faster, too.
- `unsure`: decides what to do about unsure occurrences.
If `None`, they are ignored. Otherwise `unsure` is
called with an instance of `occurrence.Occurrence` as
parameter. If it returns `True`, the occurrence is
considered to be a match.
- `resources` can be a list of `rope.base.resources.File`\s to
apply this refactoring on. If `None`, the restructuring
will be applied to all python files.
- `in_file`: this argument has been deprecated; use
`resources` instead.
"""
if unsure in (True, False):
warnings.warn(
'unsure parameter should be a function that returns '
'True or False', DeprecationWarning, stacklevel=2)
def unsure_func(value=unsure):
return value
unsure = unsure_func
if in_file is not None:
warnings.warn(
'`in_file` argument has been deprecated; use `resources` '
'instead. ', DeprecationWarning, stacklevel=2)
if in_file:
resources = [self.resource]
if _is_local(self.old_pyname):
resources = [self.resource]
if resources is None:
resources = self.pycore.get_python_files()
changes = ChangeSet('Renaming <%s> to <%s>' %
(self.old_name, new_name))
finder = occurrences.create_finder(
self.pycore, self.old_name, self.old_pyname, unsure=unsure,
docs=docs, instance=self.old_instance,
in_hierarchy=in_hierarchy and self.is_method())
job_set = task_handle.create_jobset('Collecting Changes', len(resources))
for file_ in resources:
job_set.started_job(file_.path)
new_content = rename_in_module(finder, new_name, resource=file_)
if new_content is not None:
changes.add_change(ChangeContents(file_, new_content))
job_set.finished_job()
if self._is_renaming_a_module():
resource = self.old_pyname.get_object().get_resource()
if self._is_allowed_to_move(resources, resource):
self._rename_module(resource, new_name, changes)
return changes
def __init__(self, *args, **kwds):
super(InlineMethod, self).__init__(*args, **kwds)
self.pyfunction = self.pyname.get_object()
self.pymodule = self.pyfunction.get_module()
self.resource = self.pyfunction.get_module().get_resource()
self.occurrence_finder = occurrences.create_finder(self.project, self.name, self.pyname)
self.normal_generator = _DefinitionGenerator(self.project, self.pyfunction)
self._init_imports()
def _create_finder(self, imports):
return occurrences.create_finder(
self.project,
self.old_name,
self.old_pyname,
imports=imports,
keywords=False,
)
def _get_body(self, host="host"):
self_name = self._get_self_name()
body = self_name + " = None\n" + self._get_unchanged_body()
pymodule = libutils.get_string_module(self.project, body)
finder = occurrences.create_finder(self.project, self_name, pymodule[self_name])
result = rename.rename_in_module(finder, host, pymodule=pymodule)
if result is None:
result = body
return result[result.index("\n") + 1 :]
def __init__(self, *args, **kwds):
super(InlineMethod, self).__init__(*args, **kwds)
self.pyfunction = self.pyname.get_object()
self.pymodule = self.pyfunction.get_module()
self.resource = self.pyfunction.get_module().get_resource()
self.occurrence_finder = occurrences.create_finder(
self.project, self.name, self.pyname)
self.normal_generator = _DefinitionGenerator(self.project,
self.pyfunction)
self._init_imports()
def _rename_occurrences(self, file_, changed_name, global_factory):
finder = occurrences.create_finder(self.project,
self.old_name,
self.old_pyname,
only_calls=True)
result = rename.rename_in_module(finder,
changed_name,
resource=file_,
replace_primary=global_factory)
return result
def _get_body(self, host='host'):
self_name = self._get_self_name()
body = self_name + ' = None\n' + self._get_unchanged_body()
pymodule = self.pycore.get_string_module(body)
finder = occurrences.create_finder(
self.pycore, self_name, pymodule[self_name])
result = rename.rename_in_module(finder, host, pymodule=pymodule)
if result is None:
result = body
return result[result.index('\n') + 1:]
def _get_body(self, host='host'):
self_name = self._get_self_name()
body = self_name + ' = None\n' + self._get_unchanged_body()
pymodule = libutils.get_string_module(self.project, body)
finder = occurrences.create_finder(self.project, self_name,
pymodule[self_name])
result = rename.rename_in_module(finder, host, pymodule=pymodule)
if result is None:
result = body
return result[result.index('\n') + 1:]
def _get_body(self):
body = sourceutils.get_body(self.pyfunction)
for param in self._get_parameter_names():
body = param + ' = None\n' + body
pymod = self.pycore.get_string_module(body, self.resource)
pyname = pymod[param]
finder = occurrences.create_finder(self.pycore, param, pyname)
result = rename.rename_in_module(finder, 'self.' + param,
pymodule=pymod)
body = result[result.index('\n') + 1:]
return body
def _get_body(self):
body = sourceutils.get_body(self.pyfunction)
for param in self._get_parameter_names():
body = param + ' = None\n' + body
pymod = self.pycore.get_string_module(body, self.resource)
pyname = pymod[param]
finder = occurrences.create_finder(self.pycore, param, pyname)
result = rename.rename_in_module(finder, 'self.' + param,
pymodule=pymod)
body = result[result.index('\n') + 1:]
return body
def get_changes(self, new_name, only_calls=False, reads=True, writes=True):
changes = ChangeSet('Changing <%s> occurrences to <%s>' %
(self.old_name, new_name))
scope_start, scope_end = self._get_scope_offset()
finder = occurrences.create_finder(
self.pycore, self.old_name, self.old_pyname,
imports=False, only_calls=only_calls)
new_contents = rename_in_module(
finder, new_name, pymodule=self.pymodule, replace_primary=True,
region=(scope_start, scope_end), reads=reads, writes=writes)
if new_contents is not None:
changes.add_change(ChangeContents(self.resource, new_contents))
return changes
def _source_module_changes(self, dest):
placeholder = "__rope_moving_%s_" % self.old_name
handle = _ChangeMoveOccurrencesHandle(placeholder)
occurrence_finder = occurrences.create_finder(self.pycore, self.old_name, self.old_pyname)
start, end = self._get_moving_region()
renamer = ModuleSkipRenamer(occurrence_finder, self.source, handle, start, end)
source = renamer.get_changed_module()
if handle.occurred:
pymodule = self.pycore.get_string_module(source, self.source)
# Adding new import
source, imported = importutils.add_import(self.pycore, pymodule, self._new_modname(dest), self.old_name)
source = source.replace(placeholder, imported)
return ChangeContents(self.source, source)
def get_changes(self, new_name, only_calls=False, reads=True, writes=True):
changes = ChangeSet('Changing <%s> occurrences to <%s>' %
(self.old_name, new_name))
scope_start, scope_end = self._get_scope_offset()
finder = occurrences.create_finder(
self.pycore, self.old_name, self.old_pyname,
imports=False, only_calls=only_calls)
new_contents = rename_in_module(
finder, new_name, pymodule=self.pymodule, replace_primary=True,
region=(scope_start, scope_end), reads=reads, writes=writes)
if new_contents is not None:
changes.add_change(ChangeContents(self.resource, new_contents))
return changes
def _get_body(self):
body = sourceutils.get_body(self.pyfunction)
for param in self._get_parameter_names():
body = param + " = None\n" + body
pymod = libutils.get_string_module(self.project, body,
self.resource)
pyname = pymod[param]
finder = occurrences.create_finder(self.project, param, pyname)
result = rename.rename_in_module(finder,
"self." + param,
pymodule=pymod)
body = result[result.index("\n") + 1:]
return body
def _change_calls(self, call_changer, in_hierarchy=None, resources=None,
handle=taskhandle.NullTaskHandle()):
if resources is None:
resources = self.project.get_python_files()
changes = ChangeSet('Changing signature of <%s>' % self.name)
job_set = handle.create_jobset('Collecting Changes', len(resources))
finder = occurrences.create_finder(
self.project, self.name, self.pyname, instance=self.primary,
in_hierarchy=in_hierarchy and self.is_method())
if self.others:
name, pyname = self.others
constructor_finder = occurrences.create_finder(
self.project, name, pyname, only_calls=True)
finder = _MultipleFinders([finder, constructor_finder])
for file in resources:
job_set.started_job(file.path)
change_calls = _ChangeCallsInModule(
self.project, finder, file, call_changer)
changed_file = change_calls.get_changed_module()
if changed_file is not None:
changes.add_change(ChangeContents(file, changed_file))
job_set.finished_job()
return changes
def _from_to_normal(self, pymodule, import_stmt):
resource = pymodule.get_resource()
from_import = import_stmt.import_info
module_name = from_import.module_name
for name, alias in from_import.names_and_aliases:
imported = name
if alias is not None:
imported = alias
occurrence_finder = occurrences.create_finder(self.project, imported, pymodule[imported], imports=False)
source = rename.rename_in_module(
occurrence_finder, module_name + "." + name, pymodule=pymodule, replace_primary=True
)
if source is not None:
pymodule = libutils.get_string_module(self.project, source, resource)
return pymodule
def _inline_variable(project, pymodule, pyname, name, remove=True, region=None):
definition = _getvardef(pymodule, pyname)
start, end = _assigned_lineno(pymodule, pyname)
occurrence_finder = occurrences.create_finder(project, name, pyname)
changed_source = rename.rename_in_module(
occurrence_finder, definition, pymodule=pymodule, replace_primary=True, writes=False, region=region
)
if changed_source is None:
changed_source = pymodule.source_code
if remove:
lines = codeanalyze.SourceLinesAdapter(changed_source)
source = changed_source[: lines.get_line_start(start)] + changed_source[lines.get_line_end(end) + 1 :]
else:
source = changed_source
return source
def _source_module_changes(self, dest):
placeholder = '__rope_moving_%s_' % self.old_name
handle = _ChangeMoveOccurrencesHandle(placeholder)
occurrence_finder = occurrences.create_finder(
self.pycore, self.old_name, self.old_pyname)
start, end = self._get_moving_region()
renamer = ModuleSkipRenamer(occurrence_finder, self.source,
handle, start, end)
source = renamer.get_changed_module()
if handle.occurred:
pymodule = self.pycore.get_string_module(source, self.source)
# Adding new import
source, imported = importutils.add_import(
self.pycore, pymodule, self._new_modname(dest), self.old_name)
source = source.replace(placeholder, imported)
return ChangeContents(self.source, source)
def _from_to_normal(self, pymodule, import_stmt):
resource = pymodule.get_resource()
from_import = import_stmt.import_info
module_name = from_import.module_name
for name, alias in from_import.names_and_aliases:
imported = name
if alias is not None:
imported = alias
occurrence_finder = occurrences.create_finder(
self.project, imported, pymodule[imported], imports=False)
source = rename.rename_in_module(
occurrence_finder, module_name + '.' + name,
pymodule=pymodule, replace_primary=True)
if source is not None:
pymodule = libutils.get_string_module(
self.project, source, resource)
return pymodule
def _rename_in_module(self, pymodule, name, new_name, till_dot=False):
old_name = name.split(".")[-1]
old_pyname = rope.base.evaluate.eval_str(pymodule.get_scope(), name)
occurrence_finder = occurrences.create_finder(self.project, old_name, old_pyname, imports=False)
changes = rope.base.codeanalyze.ChangeCollector(pymodule.source_code)
for occurrence in occurrence_finder.find_occurrences(pymodule=pymodule):
start, end = occurrence.get_primary_range()
if till_dot:
new_end = pymodule.source_code.index(".", end) + 1
space = pymodule.source_code[end : new_end - 1].strip()
if not space == "":
for c in space:
if not c.isspace() and c not in "\\":
raise ValueError()
end = new_end
changes.add_change(start, end, new_name)
source = changes.get_changed()
if source is not None:
pymodule = libutils.get_string_module(self.project, source, pymodule.get_resource())
return pymodule
def _calculate_definition(self, primary, pyname, call, host_vars, returns):
header, to_be_inlined = self._calculate_header(primary, pyname, call)
source = header + self.body
mod = libutils.get_string_module(self.project, source)
name_dict = mod.get_scope().get_names()
all_names = [
x for x in name_dict
if not isinstance(name_dict[x], rope.base.builtins.BuiltinName)
]
# If there is a name conflict, all variable names
# inside the inlined function are renamed
if len(set(all_names).intersection(set(host_vars))) > 0:
prefix = next(_DefinitionGenerator.unique_prefix)
guest = libutils.get_string_module(self.project, source,
self.resource)
to_be_inlined = [prefix + item for item in to_be_inlined]
for item in all_names:
pyname = guest[item]
occurrence_finder = occurrences.create_finder(
self.project, item, pyname)
source = rename.rename_in_module(occurrence_finder,
prefix + item,
pymodule=guest)
guest = libutils.get_string_module(self.project, source,
self.resource)
#parameters not reassigned inside the functions are now inlined.
for name in to_be_inlined:
pymodule = libutils.get_string_module(self.project, source,
self.resource)
pyname = pymodule[name]
source = _inline_variable(self.project, pymodule, pyname, name)
return self._replace_returns_with(source, returns)
def _create_finder(self, imports):
return occurrences.create_finder(self.project, self.old_name, self.old_pyname, imports=imports, keywords=False)
def _rename_occurrences(self, file_, changed_name, global_factory):
finder = occurrences.create_finder(self.pycore, self.old_name,
self.old_pyname, only_calls=True)
result = rename.rename_in_module(finder, changed_name, resource=file_,
replace_primary=global_factory)
return result
def __init__(self, project, name, pyname, getter, setter):
self.project = project
self.name = name
self.finder = occurrences.create_finder(project, name, pyname)
self.getter = getter
self.setter = setter
def _create_finder(self, imports):
return occurrences.create_finder(self.pycore, self.old_name,
self.old_pyname, imports=imports)
def __init__(self, project, name, pyname, getter, setter):
self.project = project
self.name = name
self.finder = occurrences.create_finder(project, name, pyname)
self.getter = getter
self.setter = setter
def __init__(self, pycore, name, pyname, getter, setter):
self.pycore = pycore
self.name = name
self.finder = occurrences.create_finder(pycore, name, pyname)
self.getter = getter
self.setter = setter
