vscode-python/pythonFiles/refactor.py at master · litleleprikon/vscode-python · GitHub

History

280 lines (235 loc) · 9.87 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

# Arguments are:

# 1. Working directory.

# 2. Rope folder

import io

import sys

import json

import traceback

try:

import rope

from rope.base import libutils

from rope.refactor.rename import Rename

from rope.refactor.extract import ExtractMethod, ExtractVariable

import rope.base.project

import rope.base.taskhandle

except:

jsonMessage = {'error': True, 'message': 'Rope not installed', 'traceback': '', 'type': 'ModuleNotFoundError'}

sys.stderr.write(json.dumps(jsonMessage))

sys.stderr.flush()

WORKSPACE_ROOT = sys.argv[1]

ROPE_PROJECT_FOLDER = '.vscode/.ropeproject'

class RefactorProgress():

"""

Refactor progress information

"""

def __init__(self, name='Task Name', message=None, percent=0):

self.name = name

self.message = message

self.percent = percent

class ChangeType():

"""

Change Type Enum

"""

EDIT = 0

NEW = 1

DELETE = 2

class Change():

"""

EDIT = 0

NEW = 1

DELETE = 2

def __init__(self, filePath, fileMode=ChangeType.EDIT, diff=""):

self.filePath = filePath

self.diff = diff

self.fileMode = fileMode

class BaseRefactoring(object):

"""

Base class for refactorings

"""

def __init__(self, project, resource, name="Refactor", progressCallback=None):

self._progressCallback = progressCallback

self._handle = rope.base.taskhandle.TaskHandle(name)

self._handle.add_observer(self._update_progress)

self.project = project

self.resource = resource

self.changes = []

def _update_progress(self):

jobset = self._handle.current_jobset()

if jobset and not self._progressCallback is None:

progress = RefactorProgress()

# getting current job set name

if jobset.get_name() is not None:

progress.name = jobset.get_name()

# getting active job name

if jobset.get_active_job_name() is not None:

progress.message = jobset.get_active_job_name()

# adding done percent

percent = jobset.get_percent_done()

if percent is not None:

progress.percent = percent

if not self._progressCallback is None:

self._progressCallback(progress)

def stop(self):

self._handle.stop()

def refactor(self):

try:

self.onRefactor()

except rope.base.exceptions.InterruptedTaskError:

# we can ignore this exception, as user has cancelled refactoring

pass

def onRefactor(self):

"""

To be implemented by each base class

"""

pass

class RenameRefactor(BaseRefactoring):

def __init__(self, project, resource, name="Rename", progressCallback=None, startOffset=None, newName="new_Name"):

BaseRefactoring.__init__(self, project, resource,

name, progressCallback)

self._newName = newName

self.startOffset = startOffset

def onRefactor(self):

renamed = Rename(self.project, self.resource, self.startOffset)

changes = renamed.get_changes(self._newName, task_handle=self._handle)

for item in changes.changes:

if isinstance(item, rope.base.change.ChangeContents):

self.changes.append(

Change(item.resource.real_path, ChangeType.EDIT, item.get_description()))

else:

raise Exception('Unknown Change')

class ExtractVariableRefactor(BaseRefactoring):

def __init__(self, project, resource, name="Extract Variable", progressCallback=None, startOffset=None, endOffset=None, newName="new_Name", similar=False, global_=False):

BaseRefactoring.__init__(self, project, resource,

name, progressCallback)

self._newName = newName

self._startOffset = startOffset

self._endOffset = endOffset

self._similar = similar

self._global = global_

def onRefactor(self):

renamed = ExtractVariable(

self.project, self.resource, self._startOffset, self._endOffset)

changes = renamed.get_changes(

self._newName, self._similar, self._global)

for item in changes.changes:

if isinstance(item, rope.base.change.ChangeContents):

self.changes.append(

Change(item.resource.real_path, ChangeType.EDIT, item.get_description()))

else:

raise Exception('Unknown Change')

class ExtractMethodRefactor(ExtractVariableRefactor):

def __init__(self, project, resource, name="Extract Method", progressCallback=None, startOffset=None, endOffset=None, newName="new_Name", similar=False, global_=False):

ExtractVariableRefactor.__init__(self, project, resource,

name, progressCallback, startOffset=startOffset, endOffset=endOffset, newName=newName, similar=similar, global_=global_)

def onRefactor(self):

renamed = ExtractMethod(

self.project, self.resource, self._startOffset, self._endOffset)

changes = renamed.get_changes(

self._newName, self._similar, self._global)

for item in changes.changes:

if isinstance(item, rope.base.change.ChangeContents):

self.changes.append(

Change(item.resource.real_path, ChangeType.EDIT, item.get_description()))

else:

raise Exception('Unknown Change')

class RopeRefactoring(object):

def __init__(self):

self.default_sys_path = sys.path

self._input = io.open(sys.stdin.fileno(), encoding='utf-8')

def _rename(self, filePath, start, newName, indent_size):

"""

Extracts a variale

"""

project = rope.base.project.Project(

WORKSPACE_ROOT, ropefolder=ROPE_PROJECT_FOLDER, save_history=False, indent_size=indent_size)

resourceToRefactor = libutils.path_to_resource(project, filePath)

refactor = RenameRefactor(

project, resourceToRefactor, startOffset=start, newName=newName)

refactor.refactor()

changes = refactor.changes

project.close()

valueToReturn = []

for change in changes:

valueToReturn.append({'diff': change.diff})

return valueToReturn

def _extractVariable(self, filePath, start, end, newName, indent_size):

"""

Extracts a variale

"""

project = rope.base.project.Project(

WORKSPACE_ROOT, ropefolder=ROPE_PROJECT_FOLDER, save_history=False, indent_size=indent_size)

resourceToRefactor = libutils.path_to_resource(project, filePath)

refactor = ExtractVariableRefactor(

project, resourceToRefactor, startOffset=start, endOffset=end, newName=newName, similar=True)

refactor.refactor()

changes = refactor.changes

project.close()

valueToReturn = []

for change in changes:

valueToReturn.append({'diff': change.diff})

return valueToReturn

def _extractMethod(self, filePath, start, end, newName, indent_size):

"""

Extracts a method

"""

project = rope.base.project.Project(

WORKSPACE_ROOT, ropefolder=ROPE_PROJECT_FOLDER, save_history=False, indent_size=indent_size)

resourceToRefactor = libutils.path_to_resource(project, filePath)

refactor = ExtractMethodRefactor(

project, resourceToRefactor, startOffset=start, endOffset=end, newName=newName, similar=True)

refactor.refactor()

changes = refactor.changes

project.close()

valueToReturn = []

for change in changes:

valueToReturn.append({'diff': change.diff})

return valueToReturn

def _serialize(self, identifier, results):

"""

Serializes the refactor results

"""

return json.dumps({'id': identifier, 'results': results})

def _deserialize(self, request):

"""Deserialize request from VSCode.

Args:

request: String with raw request from VSCode.

Returns:

Python dictionary with request data.

"""

return json.loads(request)

def _process_request(self, request):

"""Accept serialized request from VSCode and write response.

"""

request = self._deserialize(request)

lookup = request.get('lookup', '')

if lookup == '':

pass

elif lookup == 'rename':

changes = self._rename(request['file'], int(

request['start']), request['name'], int(request['indent_size']))

return self._write_response(self._serialize(request['id'], changes))

elif lookup == 'extract_variable':

changes = self._extractVariable(request['file'], int(

request['start']), int(request['end']), request['name'], int(request['indent_size']))

return self._write_response(self._serialize(request['id'], changes))

elif lookup == 'extract_method':

changes = self._extractMethod(request['file'], int(

request['start']), int(request['end']), request['name'], int(request['indent_size']))

return self._write_response(self._serialize(request['id'], changes))

def _write_response(self, response):

sys.stdout.write(response + '\n')

sys.stdout.flush()

def watch(self):

self._write_response("STARTED")

while True:

try:

self._process_request(self._input.readline())

except:

exc_type, exc_value, exc_tb = sys.exc_info()

tb_info = traceback.extract_tb(exc_tb)

jsonMessage = {'error': True, 'message': str(exc_value), 'traceback': str(tb_info), 'type': str(exc_type)}

sys.stderr.write(json.dumps(jsonMessage))

sys.stderr.flush()

if __name__ == '__main__':

RopeRefactoring().watch()

vscode-python/pythonFiles/refactor.py at master · litleleprikon/vscode-python · GitHub

Expand file tree

Breadcrumbs

refactor.py

Latest commit

History

Breadcrumbs

refactor.py

File metadata and controls