Пример #1
0
    def connect_db(self, dbname=None, new=False):
        """connects to a db, possibly creating a new one"""
        if dbname is None:
            filelist = self.config.get_dblist()
            if new:
                filelist = None
            dlg = ConnectDialog(filelist=filelist)
            dlg.Raise()
            if dlg.ShowModal() == wx.ID_OK:
                dbname = dlg.filebrowser.GetValue()
                if not dbname.endswith('.ein'):
                    dbname = "%s.ein" % dbname
            else:
                return None, dbname
            dlg.Destroy()

        db = InstrumentDB()
        if isInstrumentDB(dbname):
            db.connect(dbname)
            set_hostpid = True
            if not db.check_hostpid():
                hostname = db.get_info('host_name')
                pid     =  db.get_info('process_id')
                ret = popup(None, FILE_IN_USE_MSG % (os.path.abspath(dbname),
                                                     hostname, pid),
                            'Database in use',
                            style=wx.YES_NO|wx.ICON_EXCLAMATION)
                set_hostpid = (ret != wx.ID_YES)
            if set_hostpid:
                db.set_hostpid()

        else:
            db.create_newdb(dbname, connect=True)
        self.config.set_current_db(dbname)
        return db, dbname
Пример #2
0
    def connect_db(self, dbname=None, new=False):
        """connects to a db, possibly creating a new one"""
        dlg = None
        if dbname is None:
            filelist = self.config.get_dblist()
            if new:
                filelist = None
            dlg = ConnectDialog(filelist=filelist)
            dlg.Raise()
            if dlg.ShowModal() == wx.ID_OK:
                dbname = dlg.filebrowser.GetValue()
                if not dbname.endswith('.ein'):
                    dbname = "%s.ein" % dbname
            else:
                print(" ... Dlg Destroy")
                dlg.Destroy()
                return None, dbname

        db = InstrumentDB()
        if isInstrumentDB(dbname):
            db.connect(dbname)
            set_hostpid = True
            if not db.check_hostpid():
                hostname = db.get_info('host_name')
                pid     =  db.get_info('process_id')
                ret = popup(None, FILE_IN_USE_MSG % (os.path.abspath(dbname),
                                                     hostname, pid),
                            'Database in use',
                            style=wx.YES_NO|wx.ICON_EXCLAMATION)
                set_hostpid = (ret != wx.ID_YES)
            if set_hostpid:
                db.set_hostpid()

        else:
            db.create_newdb(dbname, connect=True)
        self.config.set_current_db(dbname)
        if dlg is not None:
            dlg.message.SetLabel("Connecting to Epics PVs in database")
        for pv in db.get_allpvs():
            self.pvlist.init_connect(pv.name, is_motor=(4==pv.pvtype_id))
        return db, dbname
Пример #3
0
    def connect_db(self, dbname=None, new=False):
        """connects to a db, possibly creating a new one"""
        if dbname is None:
            filelist = self.config.get_dblist()
            if new:
                filelist = None
            dlg = ConnectDialog(filelist=filelist)
            dlg.Raise()
            if dlg.ShowModal() == wx.ID_OK:
                dbname = dlg.filebrowser.GetValue()
                if not dbname.endswith('.ein'):
                    dbname = "%s.ein" % dbname
            else:
                return None, dbname
            dlg.Destroy()

        db = InstrumentDB()
        if isInstrumentDB(dbname):
            db.connect(dbname)
            set_hostpid = True
            if not db.check_hostpid():
                hostname = db.get_info('host_name')
                pid = db.get_info('process_id')
                ret = popup(None,
                            FILE_IN_USE_MSG %
                            (os.path.abspath(dbname), hostname, pid),
                            'Database in use',
                            style=wx.YES_NO | wx.ICON_EXCLAMATION)
                set_hostpid = (ret != wx.ID_YES)
            if set_hostpid:
                db.set_hostpid()

        else:
            db.create_newdb(dbname, connect=True)
        self.config.set_current_db(dbname)
        return db, dbname