# BSD 3-Clause License
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# Copyright (c) 2016-19, University of Liverpool
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"""
Parent classes for all parser classes
"""

__author__ = "Felix Simkovic"
__date__ = "04 Oct 2016"
__version__ = "0.1"

import abc

ABC = abc.ABCMeta("ABC", (object,), {})

from conkit.core.contact import Contact
from conkit.core.contactmap import ContactMap
from conkit.core.contactfile import ContactFile
from conkit.core.sequence import Sequence
from conkit.core.sequencefile import SequenceFile


class Parser(ABC):
    """Abstract class for all parsers

    """

    @abc.abstractmethod
    def read(self):
        pass

    @abc.abstractmethod
    def write(self):
        pass

    @classmethod
    def 
(cls, hierarchy):
        """Wrapper to re-construct full hierarchy when parts are provided"""
        if isinstance(hierarchy, ContactFile):
            h = hierarchy
        elif isinstance(hierarchy, ContactMap):
            h = ContactFile("conkit")
            h.add(hierarchy)
        elif isinstance(hierarchy, Contact):
            h = ContactFile("conkit")
            m = ContactMap("1")
            m.add(hierarchy)
            h.add(m)
        elif isinstance(hierarchy, SequenceFile):
            h = hierarchy
        elif isinstance(hierarchy, Sequence):
            h = SequenceFile("conkit")
            h.add(hierarchy)
        return h


class ContactFileParser(Parser):
    """General purpose class for all contact file parsers"""

    pass


class SequenceFileParser(Parser):
    """General purpose class for all sequence file parsers"""

    pass

_reconstruct