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#############################################################################
# gmLogin - Display a login dialog and log onto backend(s)
# ---------------------------------------------------------------------------
#
# @copyright: author
# @license: GPL (details at http://www.gnu.org)
############################################################################
# $Source: /sources/gnumed/gnumed/gnumed/client/wxpython/gmLogin.py,v $
# $Id: gmLogin.py,v 1.25 2006/01/03 12:12:03 ncq Exp $
__version__ = "$Revision: 1.25 $"
__author__ = "H.Herb"
import os.path, sys
try:
import wxversion
import wx
except ImportError:
from wxPython import wx
from Gnumed.pycommon import gmPG, gmLog, gmExceptions, gmI18N
from Gnumed.wxpython import gmLoginDialog, gmGuiHelpers
try:
_('do-not-translate-but-make-epydoc-happy')
except NameError:
_ = lambda x:x
_log = gmLog.gmDefLog
#==============================================================
def Login(max_attempts=3):
"""Display the login dialog and try to log into the backend.
- up to max_attempts times
- returns:
- valid backend broker object if connection successful
- None otherwise
"""
attempt = 0
backend = None
#display the login dialog
dlg = gmLoginDialog.LoginDialog(None, -1)
dlg.Centre(wx.BOTH)
while attempt < max_attempts:
dlg.ShowModal()
#get the login parameters
login = dlg.panel.GetLoginInfo()
if login is None:
_log.Log(gmLog.lInfo, "user cancelled login dialog")
break
#now try to connect to the backend
try:
backend = gmPG.ConnectionPool(login)
# save the login settings for next login
dlg.panel.save_settings()
break
except gmExceptions.ConnectionError, e:
attempt += 1
if attempt < max_attempts:
msg = _('Unable to connect to database:\n\n%s\n\nPlease retry or cancel !') % e
gmGuiHelpers.gm_show_error (
msg,
_('connecting to backend'),
gmLog.lErr
)
_log.LogException("login attempt %s of %s failed" % (attempt, max_attempts), sys.exc_info(), verbose=0)
dlg.Close()
dlg.Destroy()
return backend
#==============================================================
# main
#==============================================================
if __name__ == "__main__":
print "This module needs a test function! please write it"
#==============================================================
# $Log: gmLogin.py,v $
# Revision 1.25 2006/01/03 12:12:03 ncq
# - make epydoc happy re _()
#
# Revision 1.24 2005/09/27 20:44:59 ncq
# - wx.wx* -> wx.*
#
# Revision 1.23 2005/09/26 18:01:51 ncq
# - use proper way to import wx26 vs wx2.4
# - note: THIS WILL BREAK RUNNING THE CLIENT IN SOME PLACES
# - time for fixup
#
# Revision 1.22 2004/09/13 08:54:49 ncq
# - cleanup
# - use gmGuiHelpers
#
# Revision 1.21 2004/07/18 20:30:54 ncq
# - wxPython.true/false -> Python.True/False as Python tells us to do
#
# Revision 1.20 2004/06/20 16:01:05 ncq
# - please epydoc more carefully
#
# Revision 1.19 2004/06/20 06:49:21 ihaywood
# changes required due to Epydoc's OCD
#
# Revision 1.18 2004/03/04 19:47:06 ncq
# - switch to package based import: from Gnumed.foo import bar
#
# Revision 1.17 2003/11/17 10:56:38 sjtan
#
# synced and commiting.
#
# Revision 1.1 2003/10/23 06:02:39 sjtan
#
# manual edit areas modelled after r.terry's specs.
#
# Revision 1.16 2003/06/26 21:40:29 ncq
# - fatal->verbose
#
# Revision 1.15 2003/02/07 14:28:05 ncq
# - cleanup, cvs keywords
#
# @change log:
# 29.10.2001 hherb first draft, untested
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