src/eric7/eric7_browser.py

branch
eric7
changeset 9209
b99e7fd55fd3
parent 8881
54e42bc2437a
child 9221
bf71ee032bb4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/eric7_browser.py	Thu Jul 07 11:23:56 2022 +0200
@@ -0,0 +1,181 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2002 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+eric 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 web browser. It is based on QtWebEngine.
+"""
+
+import sys
+import os
+
+sys.path.insert(1, os.path.dirname(__file__))
+
+app = None
+SettingsDir = None
+
+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 PyQt6.QtCore import QSettings
+        SettingsDir = os.path.expanduser(arg.replace("--settings=", ""))
+        if not os.path.isdir(SettingsDir):
+            os.makedirs(SettingsDir)
+        QSettings.setPath(
+            QSettings.Format.IniFormat, QSettings.Scope.UserScope, SettingsDir)
+        sys.argv.remove(arg)
+
+try:
+    from PyQt6 import QtWebEngineWidgets    # __IGNORE_WARNING__
+except ImportError:
+    if "--quiet" not in sys.argv:
+        from PyQt6.QtCore import QTimer
+        from PyQt6.QtWidgets import QApplication
+        from EricWidgets import EricMessageBox          # __IGNORE_WARNING__
+        app = QApplication([])
+        QTimer.singleShot(0, lambda: EricMessageBox.critical(
+            None,
+            "eric Web Browser",
+            "QtWebEngineWidgets is not installed but needed to execute the"
+            " web browser."))
+        app.exec()
+    sys.exit(100)
+
+from PyQt6.QtWebEngineCore import QWebEngineUrlScheme
+
+import Globals
+from Globals import AppInfo
+
+from EricWidgets.EricApplication import EricApplication
+
+from Toolbox import Startup
+
+from WebBrowser.WebBrowserSingleApplication import (
+    WebBrowserSingleApplicationClient
+)
+
+
+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 WebBrowser.WebBrowserWindow import WebBrowserWindow
+    
+    searchWord = None
+    private = False
+    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 == "--private":
+            private = True
+            argv.remove(arg)
+        elif arg == "--qthelp":
+            qthelp = True
+            argv.remove(arg)
+        elif arg == "--single":
+            single = True
+            argv.remove(arg)
+        elif (
+            arg.startswith(("--newtab=", "--")) or
+            arg == "--quiet"
+        ):
+            # only needed until we reach this point
+            argv.remove(arg)
+    
+    try:
+        home = argv[1]
+    except IndexError:
+        home = ""
+    
+    browser = WebBrowserWindow(home, '.', None, 'web_browser',
+                               searchWord=searchWord, private=private,
+                               settingsDir=SettingsDir, qthelp=qthelp,
+                               single=single, saname=name)
+    return browser
+
+
+def main():
+    """
+    Main entry point into the application.
+    """
+    global app
+    
+    from PyQt6.QtGui import QGuiApplication
+    QGuiApplication.setDesktopFileName("eric7_browser.desktop")
+    
+    options = [
+        ("--config=configDir",
+         "use the given directory as the one containing the config files"),
+        ("--private", "start the browser in private browsing mode"),
+        ("--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,
+                                  "eric Web Browser",
+                                  "file",
+                                  "web browser",
+                                  options)
+    
+    # set the library paths for plugins
+    Startup.setLibraryPaths()
+    
+    scheme = QWebEngineUrlScheme(b"eric")
+    scheme.setSyntax(QWebEngineUrlScheme.Syntax.Path)
+    scheme.setFlags(QWebEngineUrlScheme.Flag.SecureScheme |
+                    QWebEngineUrlScheme.Flag.ContentSecurityPolicyIgnored)
+    QWebEngineUrlScheme.registerScheme(scheme)
+    if "--qthelp" in sys.argv:
+        scheme = QWebEngineUrlScheme(b"qthelp")
+        scheme.setSyntax(QWebEngineUrlScheme.Syntax.Path)
+        scheme.setFlags(QWebEngineUrlScheme.Flag.SecureScheme)
+        QWebEngineUrlScheme.registerScheme(scheme)
+    
+    app = EricApplication(sys.argv)
+    if "--private" not in sys.argv:
+        client = WebBrowserSingleApplicationClient()
+        res = client.connect()
+        if res > 0:
+            if len(sys.argv) > 1:
+                client.processArgs(sys.argv[1:])
+            sys.exit(0)
+        elif res < 0:
+            print("eric7_browser: {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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