def proxy_from_url(url: QUrl) -> Union[QNetworkProxy, pac.PACFetcher]:
"""Create a QNetworkProxy from QUrl and a proxy type.
Args:
url: URL of a proxy (possibly with credentials).
Return:
New QNetworkProxy.
"""
ensure_valid(url)
scheme = url.scheme()
if scheme in ['pac+http', 'pac+https', 'pac+file']:
fetcher = pac.PACFetcher(url)
fetcher.fetch()
return fetcher
types = {
'http': QNetworkProxy.HttpProxy,
'socks': QNetworkProxy.Socks5Proxy,
'socks5': QNetworkProxy.Socks5Proxy,
'direct': QNetworkProxy.NoProxy,
}
if scheme not in types:
raise InvalidProxyTypeError(scheme)
proxy = QNetworkProxy(types[scheme], url.host())
if url.port() != -1:
proxy.setPort(url.port())
if url.userName():
proxy.setUser(url.userName())
if url.password():
proxy.setPassword(url.password())
return proxy
def __init__(self, remoteName, remoteUrl, parent=None):
"""
Constructor
@param remoteName name of the remote repository
@type str
@param remoteUrl URL of the remote repository
@type str
@param parent reference to the parent widget
@type QWidget
"""
super(GitRemoteCredentialsDialog, self).__init__(parent)
self.setupUi(self)
url = QUrl(remoteUrl)
self.nameEdit.setText(remoteName)
self.urlEdit.setText(url.toString(QUrl.RemoveUserInfo))
self.userEdit.setText(url.userName())
self.passwordEdit.setText(url.password())
self.userEdit.setFocus(Qt.OtherFocusReason)
msh = self.minimumSizeHint()
self.resize(max(self.width(), msh.width()), msh.height())
def transform(self, value):
if not value:
return None
elif value == 'system':
return SYSTEM_PROXY
elif value == 'none':
return QNetworkProxy(QNetworkProxy.NoProxy)
url = QUrl(value)
typ = self.PROXY_TYPES[url.scheme()]
proxy = QNetworkProxy(typ, url.host())
if url.port() != -1:
proxy.setPort(url.port())
if url.userName():
proxy.setUser(url.userName())
if url.password():
proxy.setPassword(url.password())
return proxy
def __init__(self, parent):
"""
Copies the properties from the parent (WebEngineRenderer) object,
creates the required instances of QWebPage, QWebView and QMainWindow
and registers some Slots.
"""
QObject.__init__(self)
# Copy properties from parent
for key, value in parent.__dict__.items():
setattr(self, key, value)
# Determine Proxy settings
proxy = QNetworkProxy(QNetworkProxy.NoProxy)
if 'http_proxy' in os.environ:
proxy_url = QUrl(os.environ['http_proxy'])
if proxy_url.scheme().startswith('http'):
protocol = QNetworkProxy.HttpProxy
else:
protocol = QNetworkProxy.Socks5Proxy
proxy = QNetworkProxy(protocol, proxy_url.host(), proxy_url.port(),
proxy_url.userName(), proxy_url.password())
# Create and connect required PyQt5 objects
self._page = CustomWebPage(logger=self.logger,
ignore_alert=self.ignoreAlert,
ignore_confirm=self.ignoreConfirm,
ignore_prompt=self.ignorePrompt,
interrupt_js=self.interruptJavaScript)
self._qt_proxy = QNetworkProxy()
self._qt_proxy.setApplicationProxy(proxy)
self._view = QWebEngineView()
self._view.setPage(self._page)
_window_flags = Qt.WindowFlags()
self._window = QMainWindow(flags=_window_flags)
self._window.setCentralWidget(self._view)
self._qt_network_access_manager = QNetworkAccessManager()
# Import QWebSettings
for key, value in self.qWebSettings.items():
self._page.settings().setAttribute(key, value)
# Connect required event listeners
# assert False, "Not finish"
self._page.loadFinished.connect(self._on_load_finished)
self._page.loadStarted.connect(self._on_load_started)
self._qt_network_access_manager.sslErrors.connect(self._on_ssl_errors)
self._qt_network_access_manager.finished.connect(self._on_each_reply)
# The way we will use this, it seems to be unnecessary to have Scrollbars enabled
self._scroll_area = QAbstractScrollArea()
self._scroll_area.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self._scroll_area.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
# Show this widget
self._window.show()
def __init__(self, connections=None, parent=None):
"""
Constructor
@param connections list of database connections to add
(list of strings)
@param parent reference to the parent widget (QWidget)
"""
super(SqlBrowser, self).__init__(parent)
self.setObjectName("SqlBrowser")
if connections is None:
connections = []
self.setWindowTitle(self.tr("SQL Browser"))
self.setWindowIcon(UI.PixmapCache.getIcon("eric.png"))
self.setStyle(Preferences.getUI("Style"),
Preferences.getUI("StyleSheet"))
from .SqlBrowserWidget import SqlBrowserWidget
self.__browser = SqlBrowserWidget(self)
self.setCentralWidget(self.__browser)
self.__browser.statusMessage.connect(self.statusBar().showMessage)
self.__initActions()
self.__initMenus()
self.__initToolbars()
self.resize(self.__browser.size())
self.__warnings = []
for connection in connections:
url = QUrl(connection, QUrl.TolerantMode)
if not url.isValid():
self.__warnings.append(
self.tr("Invalid URL: {0}").format(connection))
continue
err = self.__browser.addConnection(url.scheme(), url.path(),
url.userName(), url.password(),
url.host(), url.port(-1))
if err.type() != QSqlError.NoError:
self.__warnings.append(
self.tr("Unable to open connection: {0}".format(
err.text())))
QTimer.singleShot(0, self.__uiStartUp)
def __init__(self, connections=[], parent=None):
"""
Constructor
@param connections list of database connections to add
(list of strings)
@param parent reference to the parent widget (QWidget)
"""
super(SqlBrowser, self).__init__(parent)
self.setObjectName("SqlBrowser")
self.setWindowTitle(self.tr("SQL Browser"))
self.setWindowIcon(UI.PixmapCache.getIcon("eric.png"))
self.setStyle(Preferences.getUI("Style"),
Preferences.getUI("StyleSheet"))
from .SqlBrowserWidget import SqlBrowserWidget
self.__browser = SqlBrowserWidget(self)
self.setCentralWidget(self.__browser)
self.__browser.statusMessage.connect(self.statusBar().showMessage)
self.__initActions()
self.__initMenus()
self.__initToolbars()
self.resize(self.__browser.size())
self.__warnings = []
for connection in connections:
url = QUrl(connection, QUrl.TolerantMode)
if not url.isValid():
self.__warnings.append(
self.tr("Invalid URL: {0}").format(connection))
continue
err = self.__browser.addConnection(url.scheme(), url.path(),
url.userName(), url.password(),
url.host(), url.port(-1))
if err.type() != QSqlError.NoError:
self.__warnings.append(
self.tr("Unable to open connection: {0}".format(
err.text())))
QTimer.singleShot(0, self.__uiStartUp)
class HttpWindow(QMainWindow):
def __init__(self, parent=None):
super(HttpWindow, self).__init__(parent)
self.title = "OraDocs by littleT"
self.left = 10
self.top = 10
self.width = 600
self.height = 400
self.docRoot = "https://oradocs-corp.documents.us2.oraclecloud.com/documents/"
self.url = QUrl()
self.qnam = QNetworkAccessManager()
self.reply = None
self.outFile = None
self.httpGetId = 0
self.httpRequestAborted = False
self.initUI()
def initUI(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height)
self.statusBar().showMessage('Starting ...')
# for the menu first create some actions to be added like
# File - Exit action
exitAction = QAction(QIcon('exit24.png'), 'Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit Application')
exitAction.triggered.connect(self.close)
# File - open
openAction = QAction(QIcon(''), '&Open', self)
openAction.setShortcut('Ctrl+O')
openAction.setStatusTip('Opens a file')
openAction.triggered.connect(self.openCall)
# the help actions
helpAction = QAction(QIcon(''), 'Help', self)
helpAction.triggered.connect(self.openHelp)
mainMenu = self.menuBar()
fileMenu = mainMenu.addMenu('&File')
fileMenu.addAction(openAction)
fileMenu.addAction(exitAction)
helpMenu = mainMenu.addMenu('&Help')
helpMenu.addAction(helpAction)
self.urlLineEdit = QLineEdit(self)
self.urlLineEdit.setGeometry(5, 250, 590, 20)
self.urlLineEdit.setText(self.docRoot)
self.downloadButton = QPushButton('Click Me', self)
self.downloadButton.move(10, 275)
self.downloadButton.clicked.connect(self.onDownloadClick)
self.quitButton = QPushButton("Quit", self)
self.quitButton.setAutoDefault(False)
self.quitButton.clicked.connect(self.close)
self.quitButton.move(120, 275)
self.logOutput = QTextEdit(self)
self.logOutput.setReadOnly(True)
# self.logOutput.setLineWrapMode(QTextEdit.NoWrap)
self.logOutput.setGeometry(5, 320, 590, 60)
self.logOutput.setSizePolicy(self.sizePolicy)
self.statusBar().showMessage('waiting for click ...')
def openCall(self):
QMessageBox.information(self, "Info",
"File Open Menu, work in progress")
def openHelp(self):
QMessageBox.information(self, "Info",
"Help Menu, work in progress")
def onDownloadClick(self):
self.url = QUrl(self.docRoot)
self.logOutput.insertPlainText("onclick before startReq -> url %s\n"
% self.url.toString())
# start the request
self.startRequest(self.url)
self.logOutput.insertPlainText("onclick after startReq -> url %s\n"
% self.url.toString())
# do we need authorization
self.qnam.authenticationRequired.connect(
self.slotAuthenticationRequired)
# do we go ssl errors
self.qnam.sslErrors.connect(self.sslErrors)
def httpFinished(self):
self.logOutput.insertPlainText("httpFinished ...\n")
self.logOutput.moveCursor(QTextCursor.End)
if self.httpRequestAborted:
# if self.outFile is not None:
# self.outFile.close()
# self.outFile.remove()
# self.outFile = None
self.logOutput.insertPlainText("httpFinished, httpReqAbr ...\n")
self.logOutput.moveCursor(QTextCursor.End)
self.reply.deleteLater()
# self.outFile.flush()
# self.outFile.close()
return
# maybe updating progress or so
# self.progressDialog.hide()
# self.outFile.flush()
# self.outFile.close()
# check for redirection
redirectionTarget = self.reply.attribute(
QNetworkRequest.RedirectionTargetAttribute)
if self.reply.error():
# are we got an error
# self.outFile.remove()
QMessageBox.information(self, "HTTP", "Download failed %s"
% self.reply.errorString)
elif redirectionTarget is not None:
# self.logOutput.insertPlainText("httpFinished, redirect from %s\n"
# % str(self.url))
self.logOutput.moveCursor(QTextCursor.End)
# do we got redirected
newUrl = self.url.resolved(redirectionTarget)
self.logOutput.insertPlainText("httpFinished, redirect \n")
# % newUrl.toString())
self.logOutput.moveCursor(QTextCursor.End)
#ret = QMessageBox.question(self, "HTTP", "Redirect to %s." %
# newUrl.toString(),
# QMessageBox.Yes | QMessageBox.No)
#if ret == QMessageBox.Yes:
# # if we saied yes to redirect set the new URL to redirected one
# self.url = newUrl
# # the reply needs to be nothing
# self.reply = None
# # self.outFile.open(QIODevice.WriteOnly)
# # self.outFile.resize(0)
# # and start over
# self.startRequest(self.url)
# return
# the new url is the redirected one
self.url = newUrl
# the reply needs to be nothing
self.reply = None
# and start over
self.startRequest(self.url)
return
else:
# fileName = QFileInfo(QUrl(self.urlLineEdit.text()).path()).fileName()
# self.statusLabel.setText("Downloaded %s to %s." % (fileName, QDir.currentPath()))
# self.statusLabel.setText("Done")
self.statusBar().showMessage("Done")
self.reply.deleteLater()
self.reply = None
# self.outFile = None
def startRequest(self, url):
self.logOutput.insertPlainText("startRequest ...\n")
self.logOutput.moveCursor(QTextCursor.End)
# get the requested page
self.reply = self.qnam.get(QNetworkRequest(url))
# if we are finished
self.reply.finished.connect(self.httpFinished)
# are we ready to read the stuff
# self.reply.readyRead.connect(self.httpReadyRead)
# downloading
# self.reply.downloadProgress.connect(self.updateDataReadProgress)
def slotAuthenticationRequired(self, authenticator):
import os
from PyQt5 import uic
self.logOutput.insertPlainText("Authentication ...\n")
self.logOutput.moveCursor(QTextCursor.End)
self.logOutput.moveCursor(QTextCursor.End)
self.logOutput.insertPlainText(str(authenticator))
ui = os.path.join(os.path.dirname(__file__), 'authenticationdialog.ui')
self.logOutput.moveCursor(QTextCursor.End)
self.logOutput.insertPlainText(str(ui))
dlg = uic.loadUi(ui)
dlg.adjustSize()
dlg.siteDescription.setText("%s at %s" % (authenticator.realm(), self.url.host()))
dlg.userEdit.setText(self.url.userName())
dlg.passwordEdit.setText(self.url.password())
if dlg.exec_() == QDialog.Accepted:
authenticator.setUser(dlg.userEdit.text())
authenticator.setPassword(dlg.passwordEdit.text())
def sslErrors(self, reply, errors):
errorString = ", ".join([str(error.errorString()) for error in errors])
ret = QMessageBox.warning(self, "HTTP Example",
"One or more SSL errors has occurred: %s" % errorString,
QMessageBox.Ignore | QMessageBox.Abort)
if ret == QMessageBox.Ignore:
self.reply.ignoreSslErrors()
def queryProxy(self, query):
"""
Public method to determine a proxy for a given query.
@param query reference to the query object (QNetworkProxyQuery)
@return list of proxies in order of preference (list of QNetworkProxy)
"""
if query.queryType() == QNetworkProxyQuery.UrlRequest and \
query.protocolTag() in ["http", "https", "ftp"]:
# use proxy at all ?
if not Preferences.getUI("UseProxy"):
return [QNetworkProxy(QNetworkProxy.NoProxy)]
# test for exceptions
exceptions = Preferences.getUI("ProxyExceptions")
if exceptions != self.__exceptions:
self.__setExceptions(exceptions)
urlHost = query.url().host()
for matcher in self.__hostnameMatchers:
if matcher.match(urlHost):
return [QNetworkProxy(QNetworkProxy.NoProxy)]
# determine proxy
if Preferences.getUI("UseSystemProxy"):
proxyList = QNetworkProxyFactory.systemProxyForQuery(query)
if not Globals.isWindowsPlatform() and \
len(proxyList) == 1 and \
proxyList[0].type() == QNetworkProxy.NoProxy:
# try it the Python way
# scan the environment for variables named <scheme>_proxy
# scan over whole environment to make this case insensitive
for name, value in os.environ.items():
name = name.lower()
if value and name[-6:] == '_proxy' and \
name[:-6] == query.protocolTag().lower():
url = QUrl(value)
if url.scheme() == "http":
proxyType = QNetworkProxy.HttpProxy
elif url.scheme() == "https":
proxyType = QNetworkProxy.HttpCachingProxy
elif url.scheme() == "ftp":
proxyType = QNetworkProxy.FtpCachingProxy
else:
proxyType = QNetworkProxy.HttpProxy
proxy = QNetworkProxy(proxyType, url.host(),
url.port(), url.userName(),
url.password())
proxyList = [proxy]
break
if proxyList:
scheme = schemeFromProxyType(proxyList[0].type())
if scheme == "":
scheme = "Http"
if scheme != "NoProxy":
proxyList[0].setUser(
Preferences.getUI("ProxyUser/{0}".format(scheme)))
proxyList[0].setPassword(
Preferences.getUI(
"ProxyPassword/{0}".format(scheme)))
return proxyList
else:
return [QNetworkProxy(QNetworkProxy.NoProxy)]
else:
if Preferences.getUI("UseHttpProxyForAll"):
protocolKey = "Http"
else:
protocolKey = query.protocolTag().capitalize()
host = Preferences.getUI("ProxyHost/{0}".format(protocolKey))
if not host:
E5MessageBox.critical(
None,
QCoreApplication.translate(
"E5NetworkProxyFactory",
"Proxy Configuration Error"),
QCoreApplication.translate(
"E5NetworkProxyFactory",
"""Proxy usage was activated"""
""" but no proxy host for protocol"""
""" '{0}' configured.""").format(protocolKey))
return [QNetworkProxy(QNetworkProxy.DefaultProxy)]
else:
if protocolKey in ["Http", "Https", "Ftp"]:
if query.protocolTag() == "ftp":
proxyType = QNetworkProxy.FtpCachingProxy
elif query.protocolTag() == "https":
proxyType = QNetworkProxy.HttpCachingProxy
else:
proxyType = QNetworkProxy.HttpProxy
proxy = QNetworkProxy(
proxyType, host,
Preferences.getUI("ProxyPort/" + protocolKey),
Preferences.getUI("ProxyUser/" + protocolKey),
Preferences.getUI("ProxyPassword/" + protocolKey))
else:
proxy = QNetworkProxy(QNetworkProxy.DefaultProxy)
return [proxy, QNetworkProxy(QNetworkProxy.DefaultProxy)]
else:
return [QNetworkProxy(QNetworkProxy.NoProxy)]
def queryProxy(self, query):
"""
Public method to determine a proxy for a given query.
@param query reference to the query object (QNetworkProxyQuery)
@return list of proxies in order of preference (list of QNetworkProxy)
"""
if query.queryType() == QNetworkProxyQuery.UrlRequest and query.protocolTag() in ["http", "https", "ftp"]:
# use proxy at all ?
if not Preferences.getUI("UseProxy"):
return [QNetworkProxy(QNetworkProxy.NoProxy)]
# test for exceptions
exceptions = Preferences.getUI("ProxyExceptions")
if exceptions != self.__exceptions:
self.__setExceptions(exceptions)
urlHost = query.url().host()
for matcher in self.__hostnameMatchers:
if matcher.match(urlHost):
return [QNetworkProxy(QNetworkProxy.NoProxy)]
# determine proxy
if Preferences.getUI("UseSystemProxy"):
proxyList = QNetworkProxyFactory.systemProxyForQuery(query)
if (
not Globals.isWindowsPlatform()
and len(proxyList) == 1
and proxyList[0].type() == QNetworkProxy.NoProxy
):
# try it the Python way
# scan the environment for variables named <scheme>_proxy
# scan over whole environment to make this case insensitive
for name, value in os.environ.items():
name = name.lower()
if value and name[-6:] == "_proxy" and name[:-6] == query.protocolTag().lower():
url = QUrl(value)
if url.scheme() == "http":
proxyType = QNetworkProxy.HttpProxy
elif url.scheme() == "https":
proxyType = QNetworkProxy.HttpCachingProxy
elif url.scheme() == "ftp":
proxyType = QNetworkProxy.FtpCachingProxy
else:
proxyType = QNetworkProxy.HttpProxy
proxy = QNetworkProxy(proxyType, url.host(), url.port(), url.userName(), url.password())
proxyList = [proxy]
break
if proxyList:
scheme = schemeFromProxyType(proxyList[0].type())
if scheme == "":
scheme = "Http"
if scheme != "NoProxy":
proxyList[0].setUser(Preferences.getUI("ProxyUser/{0}".format(scheme)))
proxyList[0].setPassword(Preferences.getUI("ProxyPassword/{0}".format(scheme)))
return proxyList
else:
return [QNetworkProxy(QNetworkProxy.NoProxy)]
else:
if Preferences.getUI("UseHttpProxyForAll"):
protocolKey = "Http"
else:
protocolKey = query.protocolTag().capitalize()
host = Preferences.getUI("ProxyHost/{0}".format(protocolKey))
if not host:
E5MessageBox.critical(
None,
QCoreApplication.translate("E5NetworkProxyFactory", "Proxy Configuration Error"),
QCoreApplication.translate(
"E5NetworkProxyFactory",
"""Proxy usage was activated"""
""" but no proxy host for protocol"""
""" '{0}' configured.""",
).format(protocolKey),
)
return [QNetworkProxy(QNetworkProxy.DefaultProxy)]
else:
if protocolKey in ["Http", "Https", "Ftp"]:
if query.protocolTag() == "ftp":
proxyType = QNetworkProxy.FtpCachingProxy
elif query.protocolTag() == "https":
proxyType = QNetworkProxy.HttpCachingProxy
else:
proxyType = QNetworkProxy.HttpProxy
proxy = QNetworkProxy(
proxyType,
host,
Preferences.getUI("ProxyPort/" + protocolKey),
Preferences.getUI("ProxyUser/" + protocolKey),
Preferences.getUI("ProxyPassword/" + protocolKey),
)
else:
proxy = QNetworkProxy(QNetworkProxy.DefaultProxy)
return [proxy, QNetworkProxy(QNetworkProxy.DefaultProxy)]
else:
return [QNetworkProxy(QNetworkProxy.NoProxy)]
class HttpWindow(QDialog):
def __init__(self, parent=None):
super(HttpWindow, self).__init__(parent)
self.url = QUrl()
self.qnam = QNetworkAccessManager()
self.reply = None
self.outFile = None
self.httpGetId = 0
self.httpRequestAborted = False
self.urlLineEdit = QLineEdit('https://www.qt.io')
urlLabel = QLabel("&URL:")
urlLabel.setBuddy(self.urlLineEdit)
self.statusLabel = QLabel(
"Please enter the URL of a file you want to download.")
self.statusLabel.setWordWrap(True)
self.downloadButton = QPushButton("Download")
self.downloadButton.setDefault(True)
self.quitButton = QPushButton("Quit")
self.quitButton.setAutoDefault(False)
buttonBox = QDialogButtonBox()
buttonBox.addButton(self.downloadButton, QDialogButtonBox.ActionRole)
buttonBox.addButton(self.quitButton, QDialogButtonBox.RejectRole)
self.progressDialog = QProgressDialog(self)
self.urlLineEdit.textChanged.connect(self.enableDownloadButton)
self.qnam.authenticationRequired.connect(
self.slotAuthenticationRequired)
self.qnam.sslErrors.connect(self.sslErrors)
self.progressDialog.canceled.connect(self.cancelDownload)
self.downloadButton.clicked.connect(self.downloadFile)
self.quitButton.clicked.connect(self.close)
topLayout = QHBoxLayout()
topLayout.addWidget(urlLabel)
topLayout.addWidget(self.urlLineEdit)
mainLayout = QVBoxLayout()
mainLayout.addLayout(topLayout)
mainLayout.addWidget(self.statusLabel)
mainLayout.addWidget(buttonBox)
self.setLayout(mainLayout)
self.setWindowTitle("HTTP")
self.urlLineEdit.setFocus()
def startRequest(self, url):
self.reply = self.qnam.get(QNetworkRequest(url))
self.reply.finished.connect(self.httpFinished)
self.reply.readyRead.connect(self.httpReadyRead)
self.reply.downloadProgress.connect(self.updateDataReadProgress)
def downloadFile(self):
self.url = QUrl(self.urlLineEdit.text())
fileInfo = QFileInfo(self.url.path())
fileName = fileInfo.fileName()
if not fileName:
fileName = 'index.html'
if QFile.exists(fileName):
ret = QMessageBox.question(self, "HTTP",
"There already exists a file called %s in the current "
"directory. Overwrite?" % fileName,
QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
if ret == QMessageBox.No:
return
QFile.remove(fileName)
self.outFile = QFile(fileName)
if not self.outFile.open(QIODevice.WriteOnly):
QMessageBox.information(self, "HTTP",
"Unable to save the file %s: %s." % (fileName, self.outFile.errorString()))
self.outFile = None
return
self.progressDialog.setWindowTitle("HTTP")
self.progressDialog.setLabelText("Downloading %s." % fileName)
self.downloadButton.setEnabled(False)
self.httpRequestAborted = False
self.startRequest(self.url)
def cancelDownload(self):
self.statusLabel.setText("Download canceled.")
self.httpRequestAborted = True
if self.reply is not None:
self.reply.abort()
self.downloadButton.setEnabled(True)
def httpFinished(self):
if self.httpRequestAborted:
if self.outFile is not None:
self.outFile.close()
self.outFile.remove()
self.outFile = None
self.reply.deleteLater()
self.reply = None
self.progressDialog.hide()
return
self.progressDialog.hide()
self.outFile.flush()
self.outFile.close()
redirectionTarget = self.reply.attribute(QNetworkRequest.RedirectionTargetAttribute)
if self.reply.error():
self.outFile.remove()
QMessageBox.information(self, "HTTP",
"Download failed: %s." % self.reply.errorString())
self.downloadButton.setEnabled(True)
elif redirectionTarget is not None:
newUrl = self.url.resolved(redirectionTarget)
ret = QMessageBox.question(self, "HTTP",
"Redirect to %s?" % newUrl.toString(),
QMessageBox.Yes | QMessageBox.No)
if ret == QMessageBox.Yes:
self.url = newUrl
self.reply.deleteLater()
self.reply = None
self.outFile.open(QIODevice.WriteOnly)
self.outFile.resize(0)
self.startRequest(self.url)
return
else:
fileName = QFileInfo(QUrl(self.urlLineEdit.text()).path()).fileName()
self.statusLabel.setText("Downloaded %s to %s." % (fileName, QDir.currentPath()))
self.downloadButton.setEnabled(True)
self.reply.deleteLater()
self.reply = None
self.outFile = None
def httpReadyRead(self):
if self.outFile is not None:
self.outFile.write(self.reply.readAll())
def updateDataReadProgress(self, bytesRead, totalBytes):
if self.httpRequestAborted:
return
self.progressDialog.setMaximum(totalBytes)
self.progressDialog.setValue(bytesRead)
def enableDownloadButton(self):
self.downloadButton.setEnabled(self.urlLineEdit.text() != '')
def slotAuthenticationRequired(self, authenticator):
import os
from PyQt5 import uic
ui = os.path.join(os.path.dirname(__file__), 'authenticationdialog.ui')
dlg = uic.loadUi(ui)
dlg.adjustSize()
dlg.siteDescription.setText("%s at %s" % (authenticator.realm(), self.url.host()))
dlg.userEdit.setText(self.url.userName())
dlg.passwordEdit.setText(self.url.password())
if dlg.exec_() == QDialog.Accepted:
authenticator.setUser(dlg.userEdit.text())
authenticator.setPassword(dlg.passwordEdit.text())
def sslErrors(self, reply, errors):
errorString = ", ".join([str(error.errorString()) for error in errors])
ret = QMessageBox.warning(self, "HTTP Example",
"One or more SSL errors has occurred: %s" % errorString,
QMessageBox.Ignore | QMessageBox.Abort)
if ret == QMessageBox.Ignore:
self.reply.ignoreSslErrors()
class AppWindow(QMainWindow):
def __init__(self):
super().__init__()
self.docRoot = "https://oradocs-corp.documents.us2.oraclecloud.com/documents/"
self.url = QUrl()
self.qnam = QNetworkAccessManager()
self.reply = None
self.outFile = None
self.httpGetId = 0
self.httpRequestAborted = False
self.gotToken = False
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
# self.ui.setupUi.MainWindow.setTitle("OraDocs")
self._connections()
def _connections(self):
self.ui.logOutput.insertPlainText(
"Setting up actions for all menus and such .")
self.ui.action_Exit.triggered.connect(self.close)
self.ui.action_Open.triggered.connect(self.action_open)
self.ui.action_Save.triggered.connect(self.action_save)
self.ui.action_SyncAll.triggered.connect(self.action_syncAll)
self.ui.action_SyncConnect.triggered.connect(self.action_syncConnect)
self.ui.logOutput.insertPlainText(".. done\n")
def startRequest(self, url):
# just some debugging to see were we are
self.ui.logOutput.insertPlainText("startRequest ...\n")
# get the URL
self.ui.logOutput.insertPlainText("get page ...\n")
self.reply = self.qnam.get(QNetworkRequest(url))
# not sure if here correct or better somwhere else
# do we need authorization
self.qnam.authenticationRequired.connect(
self.slotAuthenticationRequired)
# do we got ssl errors
self.qnam.sslErrors.connect(self.sslErrors)
# after loading the page do some hadling of the output via the pyslot
self.reply.finished.connect(self.httpFinished)
# we should be able to read the stuff
self.ui.logOutput.insertPlainText("before httpReady ...\n")
self.reply.readyRead.connect(self.httpReadyRead)
# not sure if the return is needed
return
def httpFinished(self):
# just some debugging
self.ui.logOutput.insertPlainText("httpFinished start ...\n")
# check for redirection
redirectionTarget = self.reply.attribute(
QNetworkRequest.RedirectionTargetAttribute)
# check for reply results
if self.reply.error():
# looks like we got an error
# self.outFile.remove()
QMessageBox.information(
self, "HTTP", "Download failed %s" % self.reply.errorString)
elif redirectionTarget is not None:
# we got redirected
# output where we are going to
self.ui.logOutput.insertPlainText("redirect -> %s\n" %
str(redirectionTarget))
self.ui.logOutput.moveCursor(QTextCursor.End)
# our new URL is that one
newUrl = self.url.resolved(redirectionTarget)
# debug
self.ui.logOutput.insertPlainText("new URL -> %s\n" %
newUrl.toString())
self.ui.logOutput.moveCursor(QTextCursor.End)
# the new url is the redirected one
self.url = newUrl
# the reply needs to be nothing
self.reply = None
# and start over
self.startRequest(self.url)
return
else:
# do normal processing
self.ui.logOutput.insertPlainText("no-redirect -> %s \n" %
self.url.toString())
self.ui.logOutput.moveCursor(QTextCursor.End)
self.ui.logOutput.insertPlainText(
str(self.reply.header(QNetworkRequest.rawHeader)))
# as the last actions in here
self.reply.deleteLater()
self.reply = None
def httpReadyRead(self):
# if self.outFile is not None:
# self.outFile.write(self.reply.readAll())
self.ui.logOutput.insertPlainText("http Ready\n")
self.ui.logOutput.moveCursor(QTextCursor.End)
myData = self.reply.readAll()
# self.ui.logOutput.insertPlainText(str(myData, 'utf-8'))
def AuthenticationRequired(self, authenticator):
import os
from PyQt5 import uic
ui = os.path.join(os.path.dirname(__file__), 'authenticationdialog.ui')
dlg = uic.loadUi(ui)
dlg.adjustSize()
dlg.siteDescription.setText("%s at %s" %
(authenticator.realm(), self.url.host()))
dlg.userEdit.setText(self.url.userName())
dlg.passwordEdit.setText(self.url.password())
if dlg.exec_() == QDialog.Accepted:
authenticator.setUser(dlg.userEdit.text())
authenticator.setPassword(dlg.passwordEdit.text())
@pyqtSlot()
def action_close(self):
# print("closing")
self.quit()
@pyqtSlot()
def action_open(self):
# print("open")
QMessageBox.information(self, "File Open", "work in progress")
@pyqtSlot()
def action_save(self):
# print("open")
QMessageBox.information(self, "File Save", "work in progress")
@pyqtSlot()
def action_syncAll(self):
QMessageBox.information(self, "Sync ALl", "work in progress")
@pyqtSlot()
# we are starting the the connection actions
def action_syncConnect(self):
# just some debugging
self.ui.logOutput.insertPlainText("syncConnect ...\n")
# we start with the root URL
self.url = QUrl(self.docRoot)
# start the request
self.startRequest(self.url)
# not sure if here correct or better in httpFinished
# do we need authorization
self.qnam.authenticationRequired.connect(
self.slotAuthenticationRequired)
# do we got ssl errors
self.qnam.sslErrors.connect(self.sslErrors)
# just some debugging
self.ui.logOutput.insertPlainText(
"syncConnect - after start Request\n")
# QMessageBox.information(self, "Sync Connect", "work in progress")
@pyqtSlot()
def slotAuthenticationRequired(self, authenticator):
# import os
QMessageBox.information(self, "Authentication", "work in progress")
def sslErrors(self, reply, errors):
QMessageBox.information(self, "SSL error", "work in progress")
class App(QMainWindow):
def __init__(self):
super().__init__()
self.title = "OraDocs by littleT"
self.left = 10
self.top = 10
self.width = 600
self.height = 400
self.initUI()
self.url = QUrl()
self.qnam = QNetworkAccessManager()
self.reply = None
self.outFile = None
self.httpGetId = 0
self.httpRequestAborted = False
def initUI(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height)
self.statusBar().showMessage('Starting ...')
# for the menu first create some actions to be added like
# File - Exit action
exitAction = QAction(QIcon('exit24.png'), 'Exit', self)
exitAction.setShortcut('Ctrl+Q')
exitAction.setStatusTip('Exit Application')
exitAction.triggered.connect(self.close)
# File - open
openAction = QAction(QIcon(''), '&Open', self)
openAction.setShortcut('Ctrl+O')
openAction.setStatusTip('Opens a file')
openAction.triggered.connect(self.openCall())
# the help actions
helpAction = QAction(QIcon(''), 'Help', self)
helpAction.triggered.connect(self.openHelp)
mainMenu = self.menuBar()
fileMenu = mainMenu.addMenu('&File')
fileMenu.addAction(openAction)
fileMenu.addAction(exitAction)
helpMenu = mainMenu.addMenu('&Help')
helpMenu.addAction(helpAction)
self.logOutput = QTextEdit(self)
self.logOutput.setReadOnly(True)
# self.logOutput.setLineWrapMode(QTextEdit.NoWrap)
self.logOutput.setGeometry(5, 200, 590, 60)
self.statusBar().showMessage('waiting for click ...')
self.urlLineEdit = QLineEdit(self)
# self.textbox.move(5, 300)
# self.textbox.resize(590, 20)
self.urlLineEdit.setGeometry(5, 325, 590, 20)
self.button = QPushButton('Click Me', self)
self.button.move(10, 350)
self.button.clicked.connect(self.doRequest)
def doRequest(self):
self.root = "https://oradocs-corp.documents.us2.oraclecloud.com/documents/"
# url = "https://www.google.com"
self.url = QUrl(self.root)
self.httpRequestAborted = False
self.startRequest(self.url)
self.downloadFile()
self.qnam.authenticationRequired.connect(
self.slotAuthenticationRequired)
def startRequest(self, url):
self.reply = self.qnam.get(QNetworkRequest(url))
self.reply.finished.connect(self.httpFinished)
self.reply.readyRead.connect(self.httpReadyRead)
def downloadFile(self):
self.url = QUrl(self.urlLineEdit.text())
fileInfo = QFileInfo(self.url.path())
fileName = fileInfo.fileName()
if not fileName:
fileName = 'index.html'
if QFile.exists(fileName):
ret = QMessageBox.question(self, "HTTP",
"There already exists a file called %s in the current "
"directory. Overwrite?" % fileName,
QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
if ret == QMessageBox.No:
return
QFile.remove(fileName)
self.outFile = QFile(fileName)
if not self.outFile.open(QIODevice.WriteOnly):
QMessageBox.information(self, "HTTP",
"Unable to save the file %s: %s." % (fileName, self.outFile.errorString()))
self.outFile = None
return
self.progressDialog.setWindowTitle("HTTP")
self.progressDialog.setLabelText("Downloading %s." % fileName)
self.downloadButton.setEnabled(False)
self.httpRequestAborted = False
self.startRequest(self.url)
def cancelDownload(self):
self.statusLabel.setText("Download canceled.")
self.httpRequestAborted = True
if self.reply is not None:
self.reply.abort()
self.downloadButton.setEnabled(True)
def httpFinished(self):
if self.httpRequestAborted:
if self.outFile is not None:
self.outFile.close()
self.outFile.remove()
self.outFile = None
self.reply.deleteLater()
self.reply = None
# self.progressDialog.hide()
return
# self.progressDialog.hide()
self.outFile.flush()
self.outFile.close()
redirectionTarget = self.reply.attribute(QNetworkRequest.RedirectionTargetAttribute)
if self.reply.error():
self.outFile.remove()
QMessageBox.information(self, "HTTP",
"Download failed: %s." % self.reply.errorString())
self.downloadButton.setEnabled(True)
elif redirectionTarget is not None:
newUrl = self.url.resolved(redirectionTarget)
ret = QMessageBox.question(self, "HTTP",
"Redirect to %s?" % newUrl.toString(),
QMessageBox.Yes | QMessageBox.No)
if ret == QMessageBox.Yes:
self.url = newUrl
self.reply.deleteLater()
self.reply = None
self.outFile.open(QIODevice.WriteOnly)
self.outFile.resize(0)
self.startRequest(self.url)
return
else:
fileName = QFileInfo(QUrl(self.urlLineEdit.text()).path()).fileName()
self.statusLabel.setText("Downloaded %s to %s." % (fileName, QDir.currentPath()))
self.downloadButton.setEnabled(True)
self.reply.deleteLater()
self.reply = None
self.outFile = None
def httpReadyRead(self):
if self.outFile is not None:
self.outFile.write(self.reply.readAll())
def updateDataReadProgress(self, bytesRead, totalBytes):
if self.httpRequestAborted:
return
self.progressDialog.setMaximum(totalBytes)
self.progressDialog.setValue(bytesRead)
def slotAuthenticationRequired(self, authenticator):
import os
from PyQt5 import uic
ui = os.path.join(os.path.dirname(__file__), 'authenticationdialog.ui')
dlg = uic.loadUi(ui)
dlg.adjustSize()
dlg.siteDescription.setText("%s at %s" % (authenticator.realm(), self.url.host()))
dlg.userEdit.setText(self.url.userName())
dlg.passwordEdit.setText(self.url.password())
if dlg.exec_() == QDialog.Accepted:
authenticator.setUser(dlg.userEdit.text())
authenticator.setPassword(dlg.passwordEdit.text())
def sslErrors(self, reply, errors):
errorString = ", ".join([str(error.errorString()) for error in errors])
ret = QMessageBox.warning(self, "HTTP Example",
"One or more SSL errors has occurred: %s" % errorString,
QMessageBox.Ignore | QMessageBox.Abort)
if ret == QMessageBox.Ignore:
self.reply.ignoreSslErrors()
def openCall(self):
print("Open Call")
def openHelp(self):
print("Open Help")
@pyqtSlot()
def onClick(self):
# textboxValue = self.textbox.text()
# QMessageBox.question(self, 'Hello World!', "Confirm: " + textboxValue,
# QMessageBox.Ok, QMessageBox.Ok)
# self.textbox.setText("...")
myRet = self.myDocs.doRequest("https://www.google.com")
self.logOutput.moveCursor(QTextCursor.End)
print(myRet)
self.logOutput.insertPlainText(myRet)
@pyqtSlot()
def processReq(self):
if self.nam.bytesAvailable():
self.logOutput.moveCursor(QTextCursor.End)
self.logOutput.insertPlainText('We are connected\n')
bytes_string = self.nam.readAll()
self.nam.deleteLater()
@pyqtSlot(QNetworkReply.NetworkError)
def processErr(self, code):
self.msg.critical(None, "Info", "You are not connected to the Internet.")
print(code)