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| #!/usr/bin/python3
# Source :
# http://www.developpez.net/forums/d979176/autres-langages/python-zope/gui/pyqt/utilisation-qtwebkit-pyqt4-fancybrowser-py/#post5488866
from PyQt4.QtWebKit import QWebView, QWebPage
from PyQt4.QtCore import QUrl, QObject, SIGNAL
from PyQt4.QtGui import QApplication, QMainWindow, QLineEdit, QSizePolicy, \
QAction, QStyle
def url_fetch(url, path):
from urllib.request import urlretrieve
name = os.path.basename(url)
fullname = "%(path)s/%(name)s" % vars()
if not os.path.exists(fullname):
urlretrieve(url, fullname)
with open(fullname, 'r') as f:
buffer = f.read()
return buffer
class Browser(QMainWindow):
def __init__(self, url, jquery):
super(Browser, self).__init__()
self._progress = 0
self._jquery = jquery
self._js_loaded = False
connect = self.connect
# create WebView
view = self._view = QWebView()
view.load(QUrl(url))
connect(view, SIGNAL("loadFinished (bool)"), self._adjustLocation)
connect(view,SIGNAL("titleChanged(const QString&)"), self._adjustTitle);
connect(view,SIGNAL("loadProgress(int)"), self._setProgress);
connect(view,SIGNAL("loadFinished(bool)"), self._finishLoading);
# setup location editable line
locationEdit = self._locationEdit = QLineEdit()
locationEdit.setSizePolicy(QSizePolicy.Expanding,
locationEdit.sizePolicy().verticalPolicy())
connect(locationEdit, SIGNAL("returnPressed()"), self._changeLocation)
# setup toolbar
toolBar = self._toolBar = self.addToolBar("Navigation")
actions = list(map(view.pageAction, [ QWebPage.Back, QWebPage.Forward,
QWebPage.Reload, QWebPage.Stop]))
toolBar.addActions(actions)
toolBar.addWidget(locationEdit)
# setup effects menu
effectMenu = self._effectMenu = self.menuBar().addMenu("&Effect")
code = r"""
$('a').each( function () {
$(this).css('background-color', 'yellow') } )
"""
effectMenu.addAction("Highlight all links", lambda: self._eval_js(code))
rotateAction = self._rotateAction = QAction(self)
rotateAction.setIcon(self.style().standardIcon(QStyle.SP_FileDialogDetailedView))
rotateAction.setCheckable(True)
rotateAction.setText("Turn images upside down")
connect(rotateAction, SIGNAL("toggled(bool)"), self._rotateImages)
effectMenu.addAction(rotateAction)
# setup tools menu
toolsMenu = self._toolsMenu = self.menuBar().addMenu("&Tools")
toolsMenu.addAction("Remove all GIF images",
lambda: self._eval_js(r"$('[src*=gif]').remove()"))
toolsMenu.addAction("Remove all inline frames",
lambda: self._eval_js( r"$('iframe').remove()"))
toolsMenu.addAction("Remove all object elements",
lambda: self._eval_js(r"$('object').remove()"))
toolsMenu.addAction("Remove all embedded elements",
lambda: self._eval_js(r"$('embed').remove()"))
# set everything together
self.setCentralWidget(view);
# grabs frame
self._frame = view.page().mainFrame()
def _adjustLocation(self):
self._locationEdit.setText(self._view.url().toString());
def _changeLocation(self):
url = QUrl(self._locationEdit.text())
view = self._view
view.load(url)
view.setFocus()
def _adjustTitle(self):
view = self._view
progress = self._progress
if progress <= 0 or progress >= 100:
self.setWindowTitle(view.title())
else: self.setWindowTitle("%s (%s %%)" % (view.title(), progress))
def _setProgress(self, p):
self._progress = p
self._adjustTitle()
def _finishLoading(self, bool):
self._progress = 100
self._adjustTitle()
self._js_loaded = False
def _rotateImages(self, toggle):
code = r"""$('img').each( function () {
$(this).css('-webkit-transition', '-webkit-transform 2s') } )"""
self._eval_js(code)
if (toggle):
code = r"""$('img').each( function () {
$(this).css('-webkit-transform', 'rotate(180deg)') } )"""
else:
code = r"""$('img').each( function () {
$(this).css('-webkit-transform', 'rotate(0deg)') } )"""
self._eval_js(code)
def _eval_js(self, js_code):
js_eval = self._frame.evaluateJavaScript
if not self._js_loaded:
js_eval(self._jquery)
self._js_loaded = True
js_eval(js_code)
if __name__ == '__main__':
import sys
import os
URL = 'http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js'
PATH = os.getcwd()
jquery = url_fetch(URL, PATH)
app = QApplication(sys.argv)
Browser('http://www.google.com/ncr', jquery).show()
sys.exit(app.exec_()) |
