How to use the maxminddb.const.MODE_AUTO function in maxminddb

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github m-lab / mlab-ns / server / mlabns / third_party / geoip2 / maxminddb / __init__.py View on Github external
def open_database(database, mode=MODE_AUTO):
    """Open a Maxmind DB database

    Arguments:
        database -- A path to a valid MaxMind DB file such as a GeoIP2 database
                    file, or a file descriptor in the case of MODE_FD.
        mode -- 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_FD - the param passed via database is a file descriptor, not
                        a path. This mode implies MODE_MEMORY.
            * MODE_AUTO - tries MODE_MMAP_EXT, MODE_MMAP, MODE_FILE in that
                          order. Default mode.
    """
    has_extension = maxminddb.extension and hasattr(maxminddb.extension,
github m-lab / mlab-ns / server / mlabns / third_party / geoip2 / maxminddb / __init__.py View on Github external
Arguments:
        database -- A path to a valid MaxMind DB file such as a GeoIP2 database
                    file, or a file descriptor in the case of MODE_FD.
        mode -- 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_FD - the param passed via database is a file descriptor, not
                        a path. This mode implies MODE_MEMORY.
            * MODE_AUTO - tries MODE_MMAP_EXT, MODE_MMAP, MODE_FILE in that
                          order. Default mode.
    """
    has_extension = maxminddb.extension and hasattr(maxminddb.extension,
                                                    'Reader')
    if (mode == MODE_AUTO and has_extension) or mode == MODE_MMAP_EXT:
        if not has_extension:
            raise ValueError(
                "MODE_MMAP_EXT requires the maxminddb.extension module to be available"
            )
        return maxminddb.extension.Reader(database)
    elif mode in (MODE_AUTO, MODE_MMAP, MODE_FILE, MODE_MEMORY, MODE_FD):
        return maxminddb.reader.Reader(database, mode)
    raise ValueError('Unsupported open mode: {0}'.format(mode))
github maxmind / MaxMind-DB-Reader-python / maxminddb / __init__.py View on Github external
def open_database(
    database: Union[AnyStr, int, os.PathLike, IO], mode: int = MODE_AUTO
) -> Union[PyReader, "maxminddb.extension.Reader"]:
    """Open a MaxMind DB database

    Arguments:
        database -- A path to a valid MaxMind DB file such as a GeoIP2 database
                    file, or a file descriptor in the case of MODE_FD.
        mode -- 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_FD - the param passed via database is a file descriptor, not
                        a path. This mode implies MODE_MEMORY.
            * MODE_AUTO - tries MODE_MMAP_EXT, MODE_MMAP, MODE_FILE in that
                          order. Default mode.
    """
github maxmind / MaxMind-DB-Reader-python / maxminddb / reader.py View on Github external
    def __init__(self, database, mode=MODE_AUTO):
        """Reader for the MaxMind DB file format

        Arguments:
        database -- A path to a valid MaxMind DB file such as a GeoIP2 database
                    file, or a file descriptor in the case of MODE_FD.
        mode -- mode to open the database with. Valid mode are:
            * MODE_MMAP - read from memory map.
            * MODE_FILE - read database as standard file.
            * MODE_MEMORY - load database into memory.
            * MODE_AUTO - tries MODE_MMAP and then MODE_FILE. Default.
            * MODE_FD - the param passed via database is a file descriptor, not
                        a path. This mode implies MODE_MEMORY.
        """
        if (mode == MODE_AUTO and mmap) or mode == MODE_MMAP:
            with open(database, 'rb') as db_file:
                self._buffer = mmap.mmap(db_file.fileno(),