cefpython/cefpython/cef3/linux/binaries_64bit/wxpython.py at 716671ac1145022dd2ec3885892ae105eb5a69fa · git-thinh/cefpython

Repository navigation

History

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

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

493

494

495

496

497

498

499

500

501

502

503

504

505

506

507

508

509

510

511

512

513

514

515

516

517

518

519

520

521

522

523

524

525

526

527

528

529

530

531

532

533

534

535

536

537

538

539

# An example of embedding CEF browser in wxPython on Linux.

# Important:

# On Linux importing the cefpython module must be

# the very first in your application. This is because CEF makes

# a global tcmalloc hook for memory allocation/deallocation.

# See Issue 73 that is to provide CEF builds with tcmalloc disabled:

# https://code.google.com/p/cefpython/issues/detail?id=73

import ctypes, os, sys

libcef_so = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'libcef.so')

if os.path.exists(libcef_so):

# Import local module

ctypes.CDLL(libcef_so, ctypes.RTLD_GLOBAL)

if 0x02070000 <= sys.hexversion < 0x03000000:

import cefpython_py27 as cefpython

else:

raise Exception("Unsupported python version: %s" % sys.version)

else:

# Import from package

from cefpython3 import cefpython

import wx

import time

import re

import uuid

import platform

# Which method to use for message loop processing.

# EVT_IDLE - wx application has priority (default)

# EVT_TIMER - cef browser has priority

# It seems that Flash content behaves better when using a timer.

# IMPORTANT! On Linux EVT_IDLE does not work, the events seems to

# be propagated only when you move your mouse, which is not the

# expected behavior, it is recommended to use EVT_TIMER on Linux,

# so set this value to False.

USE_EVT_IDLE = False

def GetApplicationPath(file=None):

import re, os, platform

# If file is None return current directory without trailing slash.

if file is None:

file = ""

# Only when relative path.

if not file.startswith("/") and not file.startswith("\\") and (

not re.search(r"^[\w-]+:", file)):

if hasattr(sys, "frozen"):

path = os.path.dirname(sys.executable)

elif "__file__" in globals():

path = os.path.dirname(os.path.realpath(__file__))

else:

path = os.getcwd()

path = path + os.sep + file

if platform.system() == "Windows":

path = re.sub(r"[/\\]+", re.escape(os.sep), path)

path = re.sub(r"[/\\]+$", "", path)

return path

return str(file)

def ExceptHook(excType, excValue, traceObject):

import traceback, os, time, codecs

# This hook does the following: in case of exception write it to

# the "error.log" file, display it to the console, shutdown CEF

# and exit application immediately by ignoring "finally" (os._exit()).

errorMsg = "\n".join(traceback.format_exception(excType, excValue,

traceObject))

errorFile = GetApplicationPath("error.log")

try:

appEncoding = cefpython.g_applicationSettings["string_encoding"]

except:

appEncoding = "utf-8"

if type(errorMsg) == bytes:

errorMsg = errorMsg.decode(encoding=appEncoding, errors="replace")

try:

with codecs.open(errorFile, mode="a", encoding=appEncoding) as fp:

fp.write("\n[%s] %s\n" % (

time.strftime("%Y-%m-%d %H:%M:%S"), errorMsg))

except:

print("cefpython: WARNING: failed writing to error file: %s" % (

errorFile))

# Convert error message to ascii before printing, otherwise

# you may get error like this:

# | UnicodeEncodeError: 'charmap' codec can't encode characters

errorMsg = errorMsg.encode("ascii", errors="replace")

errorMsg = errorMsg.decode("ascii", errors="replace")

print("\n"+errorMsg+"\n")

cefpython.QuitMessageLoop()

cefpython.Shutdown()

os._exit(1)

class MainFrame(wx.Frame):

browser = None

mainPanel = None

def __init__(self):

wx.Frame.__init__(self, parent=None, id=wx.ID_ANY,

title='wxPython CEF 3 example', size=(800,600))

self.CreateMenu()

# Cannot attach browser to the main frame as this will cause

# the menu not to work.

# --

# You also have to set the wx.WANTS_CHARS style for

# all parent panels/controls, if it's deeply embedded.

self.mainPanel = wx.Panel(self, style=wx.WANTS_CHARS)

windowInfo = cefpython.WindowInfo()

windowInfo.SetAsChild(self.mainPanel.GetGtkWidget())

# Linux requires adding "file://" for local files,

# otherwise /home/some will be replaced as http://home/some

self.browser = cefpython.CreateBrowserSync(

windowInfo,

# If there are problems with Flash you can disable it here,

# by disabling all plugins.

browserSettings={"plugins_disabled": False},

navigateUrl="file://"+GetApplicationPath("wxpython.html"))

clientHandler = ClientHandler()

self.browser.SetClientHandler(clientHandler)

cefpython.SetGlobalClientCallback("OnCertificateError",

clientHandler._OnCertificateError)

cefpython.SetGlobalClientCallback("OnBeforePluginLoad",

clientHandler._OnBeforePluginLoad)

jsBindings = cefpython.JavascriptBindings(

bindToFrames=False, bindToPopups=True)

jsBindings.SetFunction("PyPrint", PyPrint)

jsBindings.SetProperty("pyProperty", "This was set in Python")

jsBindings.SetProperty("pyConfig", ["This was set in Python",

{"name": "Nested dictionary", "isNested": True},

[1,"2", None]])

jsBindings.SetObject("external", JavascriptExternal(self.browser))

self.browser.SetJavascriptBindings(jsBindings)

self.Bind(wx.EVT_CLOSE, self.OnClose)

if USE_EVT_IDLE:

# Bind EVT_IDLE only for the main application frame.

self.Bind(wx.EVT_IDLE, self.OnIdle)

def CreateMenu(self):

filemenu = wx.Menu()

filemenu.Append(1, "Open")

exit = filemenu.Append(2, "Exit")

self.Bind(wx.EVT_MENU, self.OnClose, exit)

aboutmenu = wx.Menu()

aboutmenu.Append(1, "CEF Python")

menubar = wx.MenuBar()

menubar.Append(filemenu,"&File")

menubar.Append(aboutmenu, "&About")

self.SetMenuBar(menubar)

def OnClose(self, event):

self.browser.CloseBrowser()

self.Destroy()

def OnIdle(self, event):

cefpython.MessageLoopWork()

def PyPrint(message):

print(message)

class JavascriptExternal:

mainBrowser = None

stringVisitor = None

def __init__(self, mainBrowser):

self.mainBrowser = mainBrowser

def GoBack(self):

self.mainBrowser.GoBack()

def GoForward(self):

self.mainBrowser.GoForward()

def CreateAnotherBrowser(self):

frame = MainFrame()

frame.Show()

def Print(self, message):

print(message)

def TestAllTypes(self, *args):

print(args)

def ExecuteFunction(self, *args):

self.mainBrowser.GetMainFrame().ExecuteFunction(*args)

def TestJSCallback(self, jsCallback):

print("jsCallback.GetFunctionName() = %s" % jsCallback.GetFunctionName())

print("jsCallback.GetFrame().GetIdentifier() = %s" % \

jsCallback.GetFrame().GetIdentifier())

jsCallback.Call("This message was sent from python using js callback")

def TestJSCallbackComplexArguments(self, jsObject):

jsCallback = jsObject["myCallback"];

jsCallback.Call(1, None, 2.14, "string", ["list", ["nested list", \

{"nested object":None}]], \

{"nested list next":[{"deeply nested object":1}]})

def TestPythonCallback(self, jsCallback):

jsCallback.Call(self.PyCallback)

def PyCallback(self, *args):

message = "PyCallback() was executed successfully! Arguments: %s" \

% str(args)

print(message)

self.mainBrowser.GetMainFrame().ExecuteJavascript(

"window.alert(\"%s\")" % message)

def GetSource(self):

# Must keep a strong reference to the StringVisitor object

# during the visit.

self.stringVisitor = StringVisitor()

self.mainBrowser.GetMainFrame().GetSource(self.stringVisitor)

def GetText(self):

# Must keep a strong reference to the StringVisitor object

# during the visit.

self.stringVisitor = StringVisitor()

self.mainBrowser.GetMainFrame().GetText(self.stringVisitor)

# -------------------------------------------------------------------------

# Cookies

# -------------------------------------------------------------------------

cookieVisitor = None

def VisitAllCookies(self):

# Need to keep the reference alive.

self.cookieVisitor = CookieVisitor()

cookieManager = self.mainBrowser.GetUserData("cookieManager")

if not cookieManager:

print("\nCookie manager not yet created! Visit http website first")

return

cookieManager.VisitAllCookies(self.cookieVisitor)

def VisitUrlCookies(self):

# Need to keep the reference alive.

self.cookieVisitor = CookieVisitor()

cookieManager = self.mainBrowser.GetUserData("cookieManager")

if not cookieManager:

print("\nCookie manager not yet created! Visit http website first")

return

cookieManager.VisitUrlCookies(

"http://www.html-kit.com/tools/cookietester/",

False, self.cookieVisitor)

# .www.html-kit.com

def SetCookie(self):

cookieManager = self.mainBrowser.GetUserData("cookieManager")

if not cookieManager:

print("\nCookie manager not yet created! Visit http website first")

return

cookie = cefpython.Cookie()

cookie.SetName("Created_Via_Python")

cookie.SetValue("yeah really")

cookieManager.SetCookie("http://www.html-kit.com/tools/cookietester/",

cookie)

print("\nCookie created! Visit html-kit cookietester to see it")

def DeleteCookies(self):

cookieManager = self.mainBrowser.GetUserData("cookieManager")

if not cookieManager:

print("\nCookie manager not yet created! Visit http website first")

return

cookieManager.DeleteCookies(

"http://www.html-kit.com/tools/cookietester/",

"Created_Via_Python")

print("\nCookie deleted! Visit html-kit cookietester to see the result")

class StringVisitor:

def Visit(self, string):

print("\nStringVisitor.Visit(): string:")

print("--------------------------------")

print(string)

print("--------------------------------")

class CookieVisitor:

def Visit(self, cookie, count, total, deleteCookie):

if count == 0:

print("\nCookieVisitor.Visit(): total cookies: %s" % total)

print("\nCookieVisitor.Visit(): cookie:")

print(cookie.Get())

# True to continue visiting cookies

return True

class ClientHandler:

# -------------------------------------------------------------------------

# DisplayHandler

# -------------------------------------------------------------------------

def OnLoadingStateChange(self, browser, isLoading, canGoBack,

canGoForward):

print("DisplayHandler::OnLoadingStateChange()")

print("isLoading = %s, canGoBack = %s, canGoForward = %s" \

% (isLoading, canGoBack, canGoForward))

def OnAddressChange(self, browser, frame, url):

print("DisplayHandler::OnAddressChange()")

print("url = %s" % url)

def OnTitleChange(self, browser, title):

print("DisplayHandler::OnTitleChange()")

print("title = %s" % title)

def OnTooltip(self, browser, textOut):

# OnTooltip not yet implemented (both Linux and Windows),

# will be fixed in next CEF release, see Issue 783:

# https://code.google.com/p/chromiumembedded/issues/detail?id=783

print("DisplayHandler::OnTooltip()")

print("text = %s" % textOut[0])

statusMessageCount = 0

def OnStatusMessage(self, browser, value):

if not value:

# Do not notify in the console about empty statuses.

return

self.statusMessageCount += 1

if self.statusMessageCount > 3:

# Do not spam too much.

return

print("DisplayHandler::OnStatusMessage()")

print("value = %s" % value)

def OnConsoleMessage(self, browser, message, source, line):

print("DisplayHandler::OnConsoleMessage()")

print("message = %s" % message)

print("source = %s" % source)

print("line = %s" % line)

# -------------------------------------------------------------------------

# KeyboardHandler

# -------------------------------------------------------------------------

def OnPreKeyEvent(self, browser, event, eventHandle,

isKeyboardShortcutOut):

print("KeyboardHandler::OnPreKeyEvent()")

def OnKeyEvent(self, browser, event, eventHandle):

print("KeyboardHandler::OnKeyEvent()")

print("native_key_code = %s" % event["native_key_code"])

if platform.system() == "Linux":

# F5 = 71

if event["native_key_code"] == 71:

print("F5 pressed! Reloading page..")

browser.ReloadIgnoreCache()

# -------------------------------------------------------------------------

# RequestHandler

# -------------------------------------------------------------------------

def OnBeforeBrowse(self, browser, frame, request, isRedirect):

print("RequestHandler::OnBeforeBrowse()")

print("url = %s" % request.GetUrl()[:70])

return False

def OnBeforeResourceLoad(self, browser, frame, request):

print("RequestHandler::OnBeforeResourceLoad()")

print("url = %s" % request.GetUrl()[:70])

return False

def OnResourceRedirect(self, browser, frame, oldUrl, newUrlOut):

print("RequestHandler::OnResourceRedirect()")

print("old url = %s" % oldUrl[:70])

print("new url = %s" % newUrlOut[0][:70])

def GetAuthCredentials(self, browser, frame, isProxy, host, port, realm,

scheme, callback):

print("RequestHandler::GetAuthCredentials()")

print("host = %s" % host)

print("realm = %s" % realm)

callback.Continue(username="test", password="test")

return True

def OnQuotaRequest(self, browser, originUrl, newSize, callback):

print("RequestHandler::OnQuotaRequest()")

print("origin url = %s" % originUrl)

print("new size = %s" % newSize)

callback.Continue(True)

return True

def GetCookieManager(self, browser, mainUrl):

# Create unique cookie manager for each browser.

# --

# Buggy implementation in CEF, reported here:

# https://code.google.com/p/chromiumembedded/issues/detail?id=1043

cookieManager = browser.GetUserData("cookieManager")

if cookieManager:

return cookieManager

else:

cookieManager = cefpython.CookieManager.CreateManager("")

browser.SetUserData("cookieManager", cookieManager)

return cookieManager

def OnProtocolExecution(self, browser, url, allowExecutionOut):

# There's no default implementation for OnProtocolExecution on Linux,

# you have to make OS system call on your own. You probably also need

# to use LoadHandler::OnLoadError() when implementing this on Linux.

print("RequestHandler::OnProtocolExecution()")

print("url = %s" % url)

if url.startswith("magnet:"):

print("Magnet link allowed!")

allowExecutionOut[0] = True

def _OnBeforePluginLoad(self, browser, url, policyUrl, info):

# Plugins are loaded on demand, only when website requires it,

# the same plugin may be called multiple times.

print("RequestHandler::OnBeforePluginLoad()")

print("url = %s" % url)

print("policy url = %s" % policyUrl)

print("info.GetName() = %s" % info.GetName())

print("info.GetPath() = %s" % info.GetPath())

print("info.GetVersion() = %s" % info.GetVersion())

print("info.GetDescription() = %s" % info.GetDescription())

# False to allow, True to block plugin.

return False

def _OnCertificateError(self, certError, requestUrl, callback):

print("RequestHandler::OnCertificateError()")

print("certError = %s" % certError)

print("requestUrl = %s" % requestUrl)

if requestUrl.startswith(

"https://sage.math.washington.edu:8091/do-not-allow"):

print("Not allowed!")

return False

if requestUrl.startswith(

"https://sage.math.washington.edu:8091/hudson/job/"):

print("Allowed!")

callback.Continue(True)

return True

return False

# -------------------------------------------------------------------------

# LoadHandler

# -------------------------------------------------------------------------

def OnLoadStart(self, browser, frame):

print("LoadHandler::OnLoadStart()")

print("frame url = %s" % frame.GetUrl()[:70])

def OnLoadEnd(self, browser, frame, httpStatusCode):

print("LoadHandler::OnLoadEnd()")

print("frame url = %s" % frame.GetUrl()[:70])

# For file:// urls the status code = 0

print("http status code = %s" % httpStatusCode)

def OnLoadError(self, browser, frame, errorCode, errorTextList, failedUrl):

print("LoadHandler::OnLoadError()")

print("frame url = %s" % frame.GetUrl()[:70])

print("error code = %s" % errorCode)

print("error text = %s" % errorTextList[0])

print("failed url = %s" % failedUrl)

customErrorMessage = "My custom error message!"

frame.LoadUrl("data:text/html,%s" % customErrorMessage)

def OnRendererProcessTerminated(self, browser, status):

print("LoadHandler::OnRendererProcessTerminated()")

statuses = {

cefpython.TS_ABNORMAL_TERMINATION: "TS_ABNORMAL_TERMINATION",

cefpython.TS_PROCESS_WAS_KILLED: "TS_PROCESS_WAS_KILLED",

cefpython.TS_PROCESS_CRASHED: "TS_PROCESS_CRASHED"

}

statusName = "Unknown"

if status in statuses:

statusName = statuses[status]

print("status = %s" % statusName)

def OnPluginCrashed(self, browser, pluginPath):

print("LoadHandler::OnPluginCrashed()")

print("plugin path = %s" % pluginPath)

# -------------------------------------------------------------------------

# LifespanHandler

# -------------------------------------------------------------------------

# Empty place-holders: popupFeatures, windowInfo, client, browserSettings.

def OnBeforePopup(self, browser, frame, targetUrl, targetFrameName,

popupFeatures, windowInfo, client, browserSettings, noJavascriptAccess):

print("LifespanHandler::OnBeforePopup()")

print("targetUrl = %s" % targetUrl)

allowPopups = True

return not allowPopups

class MyApp(wx.App):

timer = None

timerID = 1

timerCount = 0

def OnInit(self):

if not USE_EVT_IDLE:

self.CreateTimer()

frame = MainFrame()

self.SetTopWindow(frame)

frame.Show()

return True

def CreateTimer(self):

# See "Making a render loop":

# http://wiki.wxwidgets.org/Making_a_render_loop

# Another approach is to use EVT_IDLE in MainFrame,

# see which one fits you better.

self.timer = wx.Timer(self, self.timerID)

self.timer.Start(10) # 10ms

wx.EVT_TIMER(self, self.timerID, self.OnTimer)

def OnTimer(self, event):

self.timerCount += 1

# print("wxpython.py: OnTimer() %d" % self.timerCount)

cefpython.MessageLoopWork()

def OnExit(self):

# When app.MainLoop() returns, MessageLoopWork() should

# not be called anymore.

if not USE_EVT_IDLE:

self.timer.Stop()

if __name__ == '__main__':

sys.excepthook = ExceptHook

cefpython.g_debug = False

cefpython.g_debugFile = GetApplicationPath("debug.log")

settings = {

"log_severity": cefpython.LOGSEVERITY_INFO, # LOGSEVERITY_VERBOSE

"log_file": GetApplicationPath("debug.log"), # Set to "" to disable.

"release_dcheck_enabled": True, # Enable only when debugging.

# This directories must be set on Linux

"locales_dir_path": cefpython.GetModuleDirectory()+"/locales",

"resources_dir_path": cefpython.GetModuleDirectory(),

"browser_subprocess_path": "%s/%s" % (

cefpython.GetModuleDirectory(), "subprocess")

}

# print("browser_subprocess_path="+settings["browser_subprocess_path"])

cefpython.Initialize(settings)

print('wx.version=%s' % wx.version())

app = MyApp(False)

app.MainLoop()

# Let wx.App destructor do the cleanup before calling cefpython.Shutdown().

del app

cefpython.Shutdown()

FilesExpand file tree

wxpython.py

Latest commit

History

wxpython.py

File metadata and controls