eric6/eric6_webbrowser.py

branch
maintenance
changeset 7286
7eb04391adf7
parent 7226
babe80d84a3e
parent 7285
1ff497f33f31
child 7287
1c17f2191bdd
equal deleted inserted replaced
7226:babe80d84a3e 7286:7eb04391adf7
1 #!/usr/bin/env python3
2 # -*- coding: utf-8 -*-
3
4 # Copyright (c) 2002 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
5 #
6
7 """
8 Eric6 Web Browser.
9
10 This is the main Python script that performs the necessary initialization
11 of the web browser and starts the Qt event loop. This is a standalone version
12 of the integrated helpviewer.
13 """
14
15 from __future__ import unicode_literals
16
17 import sys
18 import os
19
20 sys.path.insert(1, os.path.dirname(__file__))
21
22 import Toolbox.PyQt4ImportHook # __IGNORE_WARNING__
23
24 try: # Only for Py2
25 import Globals.compatibility_fixes # __IGNORE_WARNING__
26 except (ImportError):
27 pass
28
29 try:
30 try:
31 from PyQt5 import sip
32 except ImportError:
33 import sip
34 sip.setdestroyonexit(False)
35 except AttributeError:
36 pass
37
38 try:
39 from PyQt5 import QtWebKit # __IGNORE_WARNING__
40 except ImportError:
41 if "--quiet" not in sys.argv:
42 from PyQt5.QtCore import qVersion, QTimer
43 from PyQt5.QtWidgets import QApplication
44 from E5Gui import E5MessageBox
45 app = QApplication([])
46 QTimer.singleShot(0, lambda: E5MessageBox.critical(
47 None,
48 "eric6 Web Browser (QtWebKit based)",
49 "QtWebKit is needed to run this variant of the eric6 Web Browser."
50 " However, it seems to be missing. You are using Qt {0}, which"
51 " doesn't include this anymore.".format(qVersion())))
52 app.exec_()
53 sys.exit(100)
54
55 for arg in sys.argv[:]:
56 if arg.startswith("--config="):
57 import Globals
58 configDir = arg.replace("--config=", "")
59 Globals.setConfigDir(configDir)
60 sys.argv.remove(arg)
61 elif arg.startswith("--settings="):
62 from PyQt5.QtCore import QSettings
63 settingsDir = os.path.expanduser(arg.replace("--settings=", ""))
64 if not os.path.isdir(settingsDir):
65 os.makedirs(settingsDir)
66 QSettings.setPath(QSettings.IniFormat, QSettings.UserScope,
67 settingsDir)
68 sys.argv.remove(arg)
69
70 # make ThirdParty package available as a packages repository
71 sys.path.insert(2, os.path.join(os.path.dirname(__file__),
72 "ThirdParty", "Pygments"))
73 sys.path.insert(2, os.path.join(os.path.dirname(__file__),
74 "ThirdParty", "EditorConfig"))
75
76 import Globals
77 from Globals import AppInfo
78
79 from E5Gui.E5Application import E5Application
80
81 from Toolbox import Startup
82
83 from Helpviewer.HelpSingleApplication import HelpSingleApplicationClient
84
85 app = None
86
87
88 def createMainWidget(argv):
89 """
90 Function to create the main widget.
91
92 @param argv list of command line parameters
93 @type list of str
94 @return reference to the main widget
95 @rtype QWidget
96 """
97 from Helpviewer.HelpWindow import HelpWindow
98
99 searchWord = None
100 qthelp = False
101 single = False
102 name = ""
103
104 for arg in reversed(argv):
105 if arg.startswith("--search="):
106 searchWord = argv[1].split("=", 1)[1]
107 argv.remove(arg)
108 elif arg.startswith("--name="):
109 name = arg.replace("--name=", "")
110 argv.remove(arg)
111 elif arg.startswith("--newtab="):
112 # only used for single application client
113 argv.remove(arg)
114 elif arg == "--qthelp":
115 qthelp = True
116 argv.remove(arg)
117 elif arg == "--quiet":
118 # only needed until we reach this point
119 argv.remove(arg)
120 elif arg == "--single":
121 single = True
122 argv.remove(arg)
123 elif arg.startswith("--"):
124 argv.remove(arg)
125
126 try:
127 home = argv[1]
128 except IndexError:
129 home = ""
130
131 helpWindow = HelpWindow(home, '.', None, 'help viewer',
132 searchWord=searchWord, qthelp=qthelp,
133 single=single, saname=name)
134 return helpWindow
135
136
137 def main():
138 """
139 Main entry point into the application.
140 """
141 global app
142
143 options = [
144 ("--config=configDir",
145 "use the given directory as the one containing the config files"),
146 ("--qthelp", "start the browser with support for QtHelp"),
147 ("--quiet", "don't show any startup error messages"),
148 ("--search=word", "search for the given word"),
149 ("--settings=settingsDir",
150 "use the given directory to store the settings files"),
151 ("--single", "start the browser as a single application"),
152 ]
153 appinfo = AppInfo.makeAppInfo(sys.argv,
154 "eric6 Web Browser",
155 "file",
156 "web browser",
157 options)
158
159 # set the library paths for plugins
160 Startup.setLibraryPaths()
161
162 app = E5Application(sys.argv)
163 client = HelpSingleApplicationClient()
164 res = client.connect()
165 if res > 0:
166 if len(sys.argv) > 1:
167 client.processArgs(sys.argv[1:])
168 sys.exit(0)
169 elif res < 0:
170 print("eric6_webbrowser: {0}".format(client.errstr()))
171 # __IGNORE_WARNING_M801__
172 sys.exit(res)
173
174 res = Startup.simpleAppStartup(sys.argv,
175 appinfo,
176 createMainWidget,
177 installErrorHandler=True,
178 app=app)
179 sys.exit(res)
180
181 if __name__ == '__main__':
182 main()

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