def moving_code_with_imports(project, resource, source):
import_tools = importutils.ImportTools(project)
pymodule = libutils.get_string_module(project, source, resource)
origin = project.get_pymodule(resource)
imports = []
for stmt in import_tools.module_imports(origin).imports:
imports.append(stmt.import_info)
back_names = []
for name in origin:
if name not in pymodule:
back_names.append(name)
imports.append(import_tools.get_from_import(resource, back_names))
source = _add_imports_to_module(import_tools, pymodule, imports)
pymodule = libutils.get_string_module(project, source, resource)
source = import_tools.relatives_to_absolutes(pymodule)
pymodule = libutils.get_string_module(project, source, resource)
source = import_tools.organize_imports(pymodule, selfs=False)
pymodule = libutils.get_string_module(project, source, resource)
# extracting imports after changes
module_imports = import_tools.module_imports(pymodule)
imports = [import_stmt.import_info
for import_stmt in module_imports.imports]
start = 1
if module_imports.imports:
start = module_imports.imports[-1].end_line
lines = codeanalyze.SourceLinesAdapter(source)
while start < lines.length() and not lines.get_line(start).strip():
start += 1
moving = source[lines.get_line_start(start):]
return moving, imports
def _add_relative_import_to_module(project, resource, imported, name):
pymodule = project.get_pymodule(resource)
import_tools = importutils.ImportTools(project)
module_imports = import_tools.module_imports(pymodule)
new_import = import_tools.get_from_import(imported, name)
module_imports.add_import(new_import)
return change.ChangeContents(resource, module_imports.get_changed_source())
def _insert_import(name, module, ctx):
if not ctx.resource:
source, _ = env.get_offset_params()
lineno = ctx.importer.find_insertion_line(source)
line = 'from %s import %s' % (module, name)
env.curbuf[lineno - 1:lineno -
1] = [env.prepare_value(line, dumps=False)]
return True
pyobject = ctx.project.pycore.resource_to_pyobject(ctx.resource)
import_tools = importutils.ImportTools(ctx.project)
module_imports = import_tools.module_imports(pyobject)
new_import = importutils.FromImport(module, 0, [[name, None]])
module_imports.add_import(new_import)
changes = change.ChangeContents(ctx.resource,
module_imports.get_changed_source())
action = env.user_input_choices('Choose what to do:', 'perform', 'preview')
if not action:
return False
if action == 'preview':
print("\n ")
print("-------------------------------")
print("\n%s\n" % changes.get_description())
print("-------------------------------\n\n")
if not env.user_confirm('Do the changes?'):
return False
progress = ProgressHandler('Apply changes ...')
ctx.project.do(changes, task_handle=progress.handle)
reload_changes(changes)
def _add_import_to_module(project, resource, imported):
pymodule = project.get_pymodule(resource)
import_tools = importutils.ImportTools(project)
module_imports = import_tools.module_imports(pymodule)
module_name = libutils.modname(imported)
new_import = importutils.NormalImport(((module_name, None), ))
module_imports.add_import(new_import)
return change.ChangeContents(resource, module_imports.get_changed_source())
def _add_imports(project, source, resource, imports):
if not imports:
return source
pymodule = libutils.get_string_module(project, source, resource)
module_import = importutils.get_module_imports(project, pymodule)
for import_info in imports:
module_import.add_import(import_info)
source = module_import.get_changed_source()
pymodule = libutils.get_string_module(project, source, resource)
import_tools = importutils.ImportTools(project)
return import_tools.organize_imports(pymodule, unused=False, sort=False)
def get_changes(
self,
dest_attr,
new_name=None,
resources=None,
task_handle=taskhandle.NullTaskHandle(),
):
"""Return the changes needed for this refactoring
Parameters:
- `dest_attr`: the name of the destination attribute
- `new_name`: the name of the new method; if `None` uses
the old name
- `resources` can be a list of `rope.base.resources.File` to
apply this refactoring on. If `None`, the restructuring
will be applied to all python files.
"""
changes = ChangeSet("Moving method <%s>" % self.method_name)
if resources is None:
resources = self.project.get_python_files()
if new_name is None:
new_name = self.get_method_name()
resource1, start1, end1, new_content1 = self._get_changes_made_by_old_class(
dest_attr, new_name)
collector1 = codeanalyze.ChangeCollector(resource1.read())
collector1.add_change(start1, end1, new_content1)
resource2, start2, end2, new_content2 = self._get_changes_made_by_new_class(
dest_attr, new_name)
if resource1 == resource2:
collector1.add_change(start2, end2, new_content2)
else:
collector2 = codeanalyze.ChangeCollector(resource2.read())
collector2.add_change(start2, end2, new_content2)
result = collector2.get_changed()
import_tools = importutils.ImportTools(self.project)
new_imports = self._get_used_imports(import_tools)
if new_imports:
goal_pymodule = libutils.get_string_module(
self.project, result, resource2)
result = _add_imports_to_module(import_tools, goal_pymodule,
new_imports)
if resource2 in resources:
changes.add_change(ChangeContents(resource2, result))
if resource1 in resources:
changes.add_change(
ChangeContents(resource1, collector1.get_changed()))
return changes
def moving_code_with_imports(project, resource, source):
import_tools = importutils.ImportTools(project)
pymodule = libutils.get_string_module(project, source, resource)
# Strip comment prefix, if any. These need to stay before the moving
# section, but imports would be added between them.
lines = codeanalyze.SourceLinesAdapter(source)
start = 1
while start < lines.length() and lines.get_line(start).startswith('#'):
start += 1
moving_prefix = source[:lines.get_line_start(start)]
pymodule = libutils.get_string_module(project,
source[lines.get_line_start(start):],
resource)
origin = project.get_pymodule(resource)
imports = []
for stmt in import_tools.module_imports(origin).imports:
imports.append(stmt.import_info)
back_names = []
for name in origin:
if name not in pymodule:
back_names.append(name)
imports.append(import_tools.get_from_import(resource, back_names))
source = _add_imports_to_module(import_tools, pymodule, imports)
pymodule = libutils.get_string_module(project, source, resource)
source = import_tools.relatives_to_absolutes(pymodule)
pymodule = libutils.get_string_module(project, source, resource)
source = import_tools.organize_imports(pymodule, selfs=False)
pymodule = libutils.get_string_module(project, source, resource)
# extracting imports after changes
module_imports = import_tools.module_imports(pymodule)
imports = [
import_stmt.import_info for import_stmt in module_imports.imports
]
start = 1
if module_imports.imports:
start = module_imports.imports[-1].end_line
lines = codeanalyze.SourceLinesAdapter(source)
while start < lines.length() and not lines.get_line(start).strip():
start += 1
# Reinsert the prefix which was removed at the beginning
moving = moving_prefix + source[lines.get_line_start(start):]
return moving, imports
def __init__(self, project, source, pyname, old_name):
self.project = project
self.source = source
self.old_pyname = pyname
self.old_name = old_name
self.import_tools = importutils.ImportTools(self.project)
def __init__(self, pycore, source, pyname, old_name):
self.pycore = pycore
self.source = source
self.old_pyname = pyname
self.old_name = old_name
self.import_tools = importutils.ImportTools(self.pycore)
