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File Content: `database.py`

"""
======================
GeoIP2 Database Reader
======================

"""
import inspect

import maxminddb
# pylint: disable=unused-import
from maxminddb import (MODE_AUTO, MODE_MMAP, MODE_MMAP_EXT, MODE_FILE,
                       MODE_MEMORY)

import geoip2
import geoip2.models
import geoip2.errors


class Reader(object):
    """GeoIP2 database Reader object.

    Instances of this class provide a reader for the GeoIP2 database format.
    IP addresses can be looked up using the ``country`` and ``city`` methods.

    The basic API for this class is the same for every database. First, you
    create a reader object, specifying a file name. You then call the method
    corresponding to the specific database, passing it the IP address you want
    to look up.

    If the request succeeds, the method call will return a model class for the
    method you called. This model in turn contains multiple record classes,
    each of which represents part of the data returned by the database. If the
    database does not contain the requested information, the attributes on the
    record class will have a ``None`` value.

    If the address is not in the database, an
    ``geoip2.errors.AddressNotFoundError`` exception will be thrown. If the
    database is corrupt or invalid, a ``maxminddb.InvalidDatabaseError`` will
    be thrown.

"""

    def __init__(self, filename, locales=None, mode=MODE_AUTO):
        """Create GeoIP2 Reader.

        :param filename: The path to the GeoIP2 database.
        :param locales: This is list of locale codes. This argument will be
          passed on to record classes to use when their name properties are
          called. The default value is ['en'].

          The order of the locales is significant. When a record class has
          multiple names (country, city, etc.), its name property will return
          the name in the first locale that has one.

          Note that the only locale which is always present in the GeoIP2
          data is "en". If you do not include this locale, the name property
          may end up returning None even when the record has an English name.

          Currently, the valid locale codes are:

          * de -- German
          * en -- English names may still include accented characters if that
            is the accepted spelling in English. In other words, English does
            not mean ASCII.
          * es -- Spanish
          * fr -- French
          * ja -- Japanese
          * pt-BR -- Brazilian Portuguese
          * ru -- Russian
          * zh-CN -- Simplified Chinese.
        :param mode: The mode to open the database with. Valid mode are:
          * MODE_MMAP_EXT - use the C extension with memory map.
          * MODE_MMAP - read from memory map. Pure Python.
          * MODE_FILE - read database as standard file. Pure Python.
          * MODE_MEMORY - load database into memory. Pure Python.
          * MODE_AUTO - try MODE_MMAP_EXT, MODE_MMAP, MODE_FILE in that order.
             Default.

        """
        if locales is None:
            locales = ['en']
        self._db_reader = maxminddb.open_database(filename, mode)
        self._locales = locales

    def __enter__(self):
        return self

    def __exit__(self, exc_type, exc_value, traceback):
        self.close()

    def country(self, ip_address):
        """Get the Country object for the IP address.

        :param ip_address: IPv4 or IPv6 address as a string.

        :returns: :py:class:`geoip2.models.Country` object

        """

        return self._model_for(geoip2.models.Country, 'Country', ip_address)

    def city(self, ip_address):
        """Get the City object for the IP address.

        :param ip_address: IPv4 or IPv6 address as a string.

        :returns: :py:class:`geoip2.models.City` object

        """
        return self._model_for(geoip2.models.City, 'City', ip_address)

    def anonymous_ip(self, ip_address):
        """Get the AnonymousIP object for the IP address.

        :param ip_address: IPv4 or IPv6 address as a string.

        :returns: :py:class:`geoip2.models.AnonymousIP` object

        """
        return self._flat_model_for(geoip2.models.AnonymousIP,
                                    'GeoIP2-Anonymous-IP', ip_address)

    def connection_type(self, ip_address):
        """Get the ConnectionType object for the IP address.

        :param ip_address: IPv4 or IPv6 address as a string.

        :returns: :py:class:`geoip2.models.ConnectionType` object

        """
        return self._flat_model_for(geoip2.models.ConnectionType,
                                    'GeoIP2-Connection-Type', ip_address)

    def domain(self, ip_address):
        """Get the Domain object for the IP address.

        :param ip_address: IPv4 or IPv6 address as a string.

        :returns: :py:class:`geoip2.models.Domain` object

        """
        return self._flat_model_for(geoip2.models.Domain, 'GeoIP2-Domain',
                                    ip_address)

    def enterprise(self, ip_address):
        """Get the Enterprise object for the IP address.

        :param ip_address: IPv4 or IPv6 address as a string.

        :returns: :py:class:`geoip2.models.Enterprise` object

        """
        return self._model_for(geoip2.models.Enterprise, 'Enterprise',
                               ip_address)

    def isp(self, ip_address):
        """Get the ISP object for the IP address.

        :param ip_address: IPv4 or IPv6 address as a string.

        :returns: :py:class:`geoip2.models.ISP` object

        """
        return self._flat_model_for(geoip2.models.ISP, 'GeoIP2-ISP',
                                    ip_address)

    def _get(self, database_type, ip_address):
        if database_type not in self.metadata().database_type:
            caller = inspect.stack()[2][3]
            raise TypeError("The %s method cannot be used with the "
                            "%s database" %
                            (caller, self.metadata().database_type))
        record = self._db_reader.get(ip_address)
        if record is None:
            raise geoip2.errors.AddressNotFoundError(
                "The address %s is not in the database." % ip_address)
        return record

    def _model_for(self, model_class, types, ip_address):
        record = self._get(types, ip_address)
        record.setdefault('traits', {})['ip_address'] = ip_address
        return model_class(record, locales=self._locales)

    def _flat_model_for(self, model_class, types, ip_address):
        record = self._get(types, ip_address)
        record['ip_address'] = ip_address
        return model_class(record)

    def metadata(self):
        """The metadata for the open database.

        :returns: :py:class:`maxminddb.reader.Metadata` object
        """
        return self._db_reader.metadata()

    def close(self):
        """Closes the GeoIP2 database."""

        self._db_reader.close()
Name	Size	Permission
__pycache__	---	0755
__init__.py	199 bytes	0644
compat.py	456 bytes	0644
database.py	6954 bytes	0644
errors.py	1213 bytes	0644
mixins.py	410 bytes	0644
models.py	12851 bytes	0644
records.py	16085 bytes	0644
webservice.py	8598 bytes	0644
File Content: database.py

File Content: `database.py`
