changeset 158:006630304b69

* Some work on portable password prompting

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/easyhg.py	Fri Dec 03 12:29:24 2010 +0000
@@ -0,0 +1,81 @@
+# -*- coding: utf-8 -*-
+#
+#    EasyMercurial
+#
+#    Based on hgExplorer by Jari Korhonen
+#    Copyright (c) 2010 Jari Korhonen
+#    Copyright (c) 2010 Chris Cannam
+#    Copyright (c) 2010 Queen Mary, University of London
+#    
+#    This program is free software; you can redistribute it and/or
+#    modify it under the terms of the GNU General Public License as
+#    published by the Free Software Foundation; either version 2 of the
+#    License, or (at your option) any later version.  See the file
+#    COPYING included with this distribution for more information.
+
+import sys
+from mercurial import ui, getpass, util
+from mercurial.i18n import _
+from PyQt4 import QtGui
+
+# This is a gross hack throughout
+
+easyhg_qtapp = None
+easyhg_userprompt = ''
+easyhg_pwdprompt = ''
+
+def uisetup(ui):
+    ui.__class__.write = easyhg_write
+    ui.__class__.prompt = easyhg_prompt
+    ui.__class__.getpass = easyhg_getpass
+    global easyhg_qtapp, easyhg_pwdprompt, easyhg_userprompt
+    easyhg_qtapp = QtGui.QApplication([])
+    easyhg_pwdprompt = ''
+    easyhg_userprompt = ''
+
+def easyhg_write(self, *args, **opts):
+    global easyhg_pwdprompt
+    global easyhg_userprompt
+    for a in args:
+        (pfx, div, sfx) = a.partition(': ');
+        if pfx == 'realm' and sfx != '':
+            easyhg_userprompt = easyhg_pwdprompt = '<qt>' + sfx + '<br>';
+        elif pfx == 'user' and sfx != '':
+            easyhg_pwdprompt += _('Password for user') + ' <b>' + sfx + '</b>:';
+        sys.stdout.write(str(a))
+
+def easyhg_prompt(self, msg, default="y"):
+    if not self.interactive():
+        self.write(msg, ' ', default, "\n")
+        return default
+    if msg == _('user:'):
+        msg = _('User:')
+    global easyhg_userprompt, easyhg_pwdprompt
+    if easyhg_userprompt != '':
+        msg = easyhg_userprompt + msg;
+    (r,ok) = QtGui.QInputDialog.getText(None, _('Question'),
+                                        msg, QtGui.QLineEdit.Normal)
+    if not ok:
+        raise util.Abort(_('response expected'))
+    if not r:
+        easyhg_pwdprompt += _('Password:');
+        return default
+    easyhg_pwdprompt += _('Password for user') + ' <b>' + r + '</b>:';
+    return r
+
+def easyhg_getpass(self, prompt=None, default=None):
+    if not self.interactive():
+        return default
+    global easyhg_pwdprompt
+    if easyhg_pwdprompt != '':
+        msg = easyhg_pwdprompt
+    else:
+        msg = _('Password:');
+    (r,ok) = QtGui.QInputDialog.getText(None, _('Password'), msg,
+                                        QtGui.QLineEdit.Password)
+    if not ok:
+        raise util.Abort(_('response expected'))
+    if not r:
+        return default
+    return r
+