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    "\"\"\"\n",
    "The module load_secondo_config implements the class to read the needed parametes for API from\n",
    "a configuration file and return them.\n",
    "\"\"\"\n",
    "import configparser as cfg\n",
    "import os\n",
    "\n",
    "from libs_pkg.exception_handler import *\n",
    "\n",
    "class Config():\n",
    "    \"\"\"\n",
    "    This class implements the needed attributes and methods to read the parametes related to Secondo from\n",
    "    a configuration file and return them.\n",
    "    \"\"\"\n",
    "    \n",
    "    def __init__(self,file=None,sec_srv=None,user=None,passw=None,sec_port=None,opt_srv=None,opt_port=None, binary_result=None):\n",
    "        if file and not (sec_srv and user and passw and sec_port and opt_srv and opt_port and binary_result):\n",
    "            self.file_name = file\n",
    "            self.sec_srv = \"\"\n",
    "            self.user = \"\"\n",
    "            self.passw = \"\"\n",
    "            self.sec_port = 0\n",
    "            self.opt_srv = \"\"\n",
    "            self.opt_port = 0\n",
    "            self.binary_result = False\n",
    "            self.cfg = cfg.ConfigParser(delimiters=('=', ':'), comment_prefixes=('#', ';'))\n",
    "            self.get_from_file()\n",
    "            \n",
    "        elif not (file and sec_srv and user and passw and sec_port and opt_srv and opt_port and binary_result):\n",
    "            print(\"A needed parameter is missing!\")\n",
    "        elif not file and sec_srv and user and passw and sec_port and opt_srv and opt_port and binary_result:\n",
    "            \n",
    "            if sec_srv == \"\":\n",
    "                raise SecondoAPI_Error('SecondoServer address is not set.')\n",
    "            self.sec_srv = sec_srv\n",
    "            if user == \"\":\n",
    "                raise SecondoAPI_Error('User name is not set.')\n",
    "            self.user = user\n",
    "            if passw == \"\":\n",
    "                raise SecondoAPI_Error('Password is not set.')\n",
    "            self.passw = passw\n",
    "            if sec_port == \"\":\n",
    "                raise SecondoAPI_Error('SecondoServer port is not set.')\n",
    "            self.sec_port = sec_port\n",
    "            if opt_srv == \"\":\n",
    "                raise SecondoAPI_Error('OptimizerServer address is not set.')\n",
    "            self.opt_srv = opt_srv\n",
    "            if opt_port == \"\":\n",
    "                raise SecondoAPI_Error('OptimizerServer port is not set.')\n",
    "            self.opt_port = opt_port\n",
    "            if binary_result == \"\":\n",
    "                raise SecondoAPI_Error('Result format of queries is not set.')\n",
    "            self.binary_result = binary_result\n",
    "            \n",
    "    def ConfigSectionMap(self, section):\n",
    "        dict1 = {}\n",
    "        options = self.cfg.options(section)\n",
    "        for option in options:\n",
    "            try:\n",
    "                dict1[option] = self.cfg.get(section, option)\n",
    "                if dict1[option] == -1:\n",
    "                    DebugPrint(\"skip: %s\" % option)\n",
    "            except:\n",
    "                print(\"exception on %s!\" % option)\n",
    "                dict1[option] = None\n",
    "        return dict1\n",
    "\n",
    "    def get_from_file(self):\n",
    "        \n",
    "        if os.path.isfile(os.getcwd() + '/' + self.file_name):\n",
    "            self.cfg.read(os.getcwd() + '/' + self.file_name)\n",
    "            self.sec_srv = self.ConfigSectionMap(\"General\")['servername']\n",
    "            if self.sec_srv == \"\":\n",
    "                raise SecondoAPI_Error('SecondoServer address is not set.')\n",
    "            self.sec_port = self.ConfigSectionMap(\"General\")['serverport']\n",
    "            if self.sec_port == \"\":\n",
    "                raise SecondoAPI_Error('SecondoServer port is not set.')\n",
    "            self.user = self.ConfigSectionMap(\"General\")['user']\n",
    "            if self.user == \"\":\n",
    "                raise SecondoAPI_Error('User name is not set.')\n",
    "            self.passw = self.ConfigSectionMap(\"General\")['passwd']\n",
    "            if self.passw == \"\":\n",
    "                raise SecondoAPI_Error('Password is not set.')\n",
    "            self.binary_result = True if self.ConfigSectionMap(\"General\")['usebinarylists'] == 'BinaryTransfer' else False\n",
    "            if self.binary_result == \"\":\n",
    "                raise SecondoAPI_Error('Result format of queries is not set.')\n",
    "            self.opt_srv = self.ConfigSectionMap(\"General\")['optimizerhost']\n",
    "            if self.opt_srv == \"\":\n",
    "                raise SecondoAPI_Error('OptimizerServer address is not set.')\n",
    "            self.opt_port = self.ConfigSectionMap(\"General\")['optimizerport']\n",
    "            if self.opt_port == \"\":\n",
    "                raise SecondoAPI_Error('OptimizerServer port is not set.')\n",
    "    \n",
    "        else:\n",
    "            \n",
    "            raise SecondoAPI_Error('The Configuration File not found.')\n",
    "               \n",
    "        \n",
    "    def initialize(self):\n",
    "        \n",
    "        \"\"\"\n",
    "        This mezhod returns the needed parametes for Secondo.\n",
    "        \n",
    "        :return: The IP-Address of Secondo sever.\n",
    "        :return: The port number of Secondo sever.\n",
    "        :return: The username for authentication in Secondo sever.\n",
    "        :return: The password for authentication in Secondo sever.\n",
    "        :return: The IP-Address of Optimizer sever.\n",
    "        :return: The port number of Optimizer sever.\n",
    "        :return: The format of the returned result list from Secondo.\n",
    "        \n",
    "        \"\"\"\n",
    "       \n",
    "        return self.sec_srv, self.sec_port, self.user, self.passw, self.opt_srv, self.opt_port, self.binary_result \n"
   ]
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