eric6/eric6_webbrowser.py

changeset 6942
2602857055c5
parent 6702
793af5761910
child 6947
179eef72c548
child 6949
a5255f1ba3f0
diff -r f99d60d6b59b -r 2602857055c5 eric6/eric6_webbrowser.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/eric6_webbrowser.py	Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,183 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2002 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Eric6 Web Browser.
+
+This is the main Python script that performs the necessary initialization
+of the web browser and starts the Qt event loop. This is a standalone version
+of the integrated helpviewer.
+"""
+
+from __future__ import unicode_literals
+
+import Toolbox.PyQt4ImportHook  # __IGNORE_WARNING__
+
+try:  # Only for Py2
+    import Globals.compatibility_fixes     # __IGNORE_WARNING__
+except (ImportError):
+    pass
+
+try:
+    try:
+        from PyQt5 import sip
+    except ImportError:
+        import sip
+    sip.setdestroyonexit(False)
+except AttributeError:
+    pass
+
+import sys
+import os
+
+try:
+    from PyQt5 import QtWebKit      # __IGNORE_WARNING__
+except ImportError:
+    if "--quiet" not in sys.argv:
+        from PyQt5.QtCore import qVersion, QTimer
+        from PyQt5.QtWidgets import QApplication
+        from E5Gui import E5MessageBox
+        app = QApplication([])
+        QTimer.singleShot(0, lambda: E5MessageBox.critical(
+            None,
+            "eric6 Web Browser (QtWebKit based)",
+            "QtWebKit is needed to run this variant of the eric6 Web Browser."
+            " However, it seems to be missing. You are using Qt {0}, which"
+            " doesn't include this anymore.".format(qVersion())))
+        app.exec_()
+    sys.exit(100)
+
+for arg in sys.argv[:]:
+    if arg.startswith("--config="):
+        import Globals
+        configDir = arg.replace("--config=", "")
+        Globals.setConfigDir(configDir)
+        sys.argv.remove(arg)
+    elif arg.startswith("--settings="):
+        from PyQt5.QtCore import QSettings
+        settingsDir = os.path.expanduser(arg.replace("--settings=", ""))
+        if not os.path.isdir(settingsDir):
+            os.makedirs(settingsDir)
+        QSettings.setPath(QSettings.IniFormat, QSettings.UserScope,
+                          settingsDir)
+        sys.argv.remove(arg)
+
+# make ThirdParty package available as a packages repository
+sys.path.insert(2, os.path.join(os.path.dirname(__file__),
+                                "ThirdParty", "Pygments"))
+sys.path.insert(2, os.path.join(os.path.dirname(__file__),
+                                "ThirdParty", "EditorConfig"))
+
+import Globals
+from Globals import AppInfo
+
+from E5Gui.E5Application import E5Application
+
+from Toolbox import Startup
+
+from Helpviewer.HelpSingleApplication import HelpSingleApplicationClient
+
+app = None
+
+
+def createMainWidget(argv):
+    """
+    Function to create the main widget.
+    
+    @param argv list of command line parameters
+    @type list of str
+    @return reference to the main widget
+    @rtype QWidget
+    """
+    from Helpviewer.HelpWindow import HelpWindow
+    
+    searchWord = None
+    qthelp = False
+    single = False
+    name = ""
+    
+    for arg in reversed(argv):
+        if arg.startswith("--search="):
+            searchWord = argv[1].split("=", 1)[1]
+            argv.remove(arg)
+        elif arg.startswith("--name="):
+            name = arg.replace("--name=", "")
+            argv.remove(arg)
+        elif arg.startswith("--newtab="):
+            # only used for single application client
+            argv.remove(arg)
+        elif arg == "--qthelp":
+            qthelp = True
+            argv.remove(arg)
+        elif arg == "--quiet":
+            # only needed until we reach this point
+            argv.remove(arg)
+        elif arg == "--single":
+            single = True
+            argv.remove(arg)
+        elif arg.startswith("--"):
+            argv.remove(arg)
+    
+    try:
+        home = argv[1]
+    except IndexError:
+        home = ""
+    
+    helpWindow = HelpWindow(home, '.', None, 'help viewer',
+                            searchWord=searchWord, qthelp=qthelp,
+                            single=single, saname=name)
+    return helpWindow
+
+
+def main():
+    """
+    Main entry point into the application.
+    """
+    global app
+    
+    options = [
+        ("--config=configDir",
+         "use the given directory as the one containing the config files"),
+        ("--qthelp", "start the browser with support for QtHelp"),
+        ("--quiet", "don't show any startup error messages"),
+        ("--search=word", "search for the given word"),
+        ("--settings=settingsDir",
+         "use the given directory to store the settings files"),
+        ("--single", "start the browser as a single application"),
+    ]
+    appinfo = AppInfo.makeAppInfo(sys.argv,
+                                  "eric6 Web Browser",
+                                  "file",
+                                  "web browser",
+                                  options)
+    
+    if not Globals.checkBlacklistedVersions():
+        sys.exit(100)
+    
+    # set the library paths for plugins
+    Startup.setLibraryPaths()
+    
+    app = E5Application(sys.argv)
+    client = HelpSingleApplicationClient()
+    res = client.connect()
+    if res > 0:
+        if len(sys.argv) > 1:
+            client.processArgs(sys.argv[1:])
+        sys.exit(0)
+    elif res < 0:
+        print("eric6_webbrowser: {0}".format(client.errstr()))
+        # __IGNORE_WARNING_M801__
+        sys.exit(res)
+    
+    res = Startup.simpleAppStartup(sys.argv,
+                                   appinfo,
+                                   createMainWidget,
+                                   installErrorHandler=True,
+                                   app=app)
+    sys.exit(res)
+
+if __name__ == '__main__':
+    main()

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