def get_server_type(tor_config):

    if 'BridgeRelay 1' in tor_config:

        return 'Bridge'

    elif 'ExitPolicy reject *:*' in tor_config:

        return 'Relay', None

    else:

        return 'Exit', None

def get_obfs_proxy(tor_config):

def get_fte_proxy(tor_config):

def get_ip(tor_config):

    for i in tor_config:

        match = IP_REGEX.match(i)

        if match is not None:

            return match.groups()[1]

    return None

import re

import json

from datetime import datetime

import pygeoip

FINGERPRINT_REGEX = re.compile(r'^[A-Z0-9]{40}$', re.I)

IP_REGEX = (r'^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}'

            r'(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$')

IP_REGEX = re.compile(IP_REGEX)

PRIVATE_IP_REGEX = (r'(^127\.)|(^192\.168\.)|(^10\.)|(^172\.1[6-9]\.)'

                    r'|(^172\.2[0-9]\.)|(^172\.3[0-1]\.)|'

                    r'255\.255\.255\.255')

PRIVATE_IP_REGEX = re.compile(PRIVATE_IP_REGEX)

DATE_FORMAT = '%d-%m-%Y %H:%M:%S'

gi4 = pygeoip.GeoIP('/usr/share/GeoIP/GeoIP.dat', pygeoip.MEMORY_CACHE)

def check_bridge(key, server):

    if key not in server:

        raise ValueError('%s key not present!\n' % key)

    else:

            raise ValueError(error_message)

def check_json_format(server):

    for key in ('server_type', 'server_name', 'tor_status', 'fingerprint'):

        if key not in server:

            raise ValueError('%s key not present!\n' % key)

    if server['server_type'] not in ('Exit', 'Relay', 'Bridge'):

        error_message = ('server_type has not the right content!'

                         ' is: %s must be one of: Exit, Relay or Bridge\n') \

            raise ValueError('ip is not accepted!\n')

    return True

def update_server(server, ip):

    server['last_updated'] = datetime.utcnow().strftime(DATE_FORMAT)

    server['server_status'] = 'Online'

    server['country'] = gi4.country_name_by_addr(ip)

    if server['server_type'] == 'Bridge':

        if 'ip' in server:

            del server['ip']

    else:

        if 'obfs' in server:

            del server['obfs']

        server['ip'] = ip

    try:

        filename = ''.join(['data/', server['server_name'].lower(), '.json'])

        with open(filename, 'w', encoding='utf-8') as fb:

            json.dump(server, fb)

        return server

    except Exception as e:

        return e