How to use the asn1tools.errors.Error function in asn1tools

"""Various exceptions/errors.

"""


class Error(Exception):
    """Base exception of all asn1tools exceptions.

    """


class CompileError(Error):
    """General ASN.1 compile error.

    """


class EncodeError(Error):
    """General ASN.1 encode error.

    """


class DecodeError(Error):
    """General ASN.1 decode error.

    """

def get_member_checker(self, checker, name):
        for member in checker.members:
            if member.name == name:
                return member

        raise Error('No member checker found for {}.'.format(name))

def error(self, message):
        return Error('{}: {}'.format(self.location_error(), message))

def error(self, message):
        return Error('{}: {}'.format(self.location_error(), message))

def restricted_utc_time_to_datetime(string):
    """Convert given restricted ASN.1 UTC time string `string` to a
    ``datetime.datetime`` object.

    """

    try:
        if string[-1] != 'Z':
            raise ValueError

        if len(string) != 13:
            raise ValueError

        return datetime.strptime(string[:-1], '%y%m%d%H%M%S')
    except (ValueError, IndexError):
        raise Error(
            "Expected a restricted UTC time string, but got '{}'.".format(
                string))

from pyparsing import NotAny
from pyparsing import NoMatch
from pyparsing import QuotedString
from pyparsing import Combine
from pyparsing import ParseResults
from pyparsing import lineno

from .errors import Error


LOGGER = logging.getLogger(__name__)

EXTENSION_MARKER = None


class ParseError(Error):
    pass


class InternalParserError(Error):
    pass


class Tokens(object):

    def __init__(self, tag, tokens):
        self.tag = tag
        self.tokens = tokens

    def __getitem__(self, index):
        return self.tokens[index]

def get_member_checker(self, checker, name):
        for member in checker.members:
            if member.name == name:
                return member

        raise Error('No member checker found for {}.'.format(name))