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# -*- coding: utf-8 -*-
#
# Copyright (c) 2017, the cclib development team
#
# This file is part of cclib (http://cclib.github.io) and is distributed under
# the terms of the BSD 3-Clause License.
"""Generic file reader and related tools"""
from abc import ABCMeta, abstractmethod
from six import add_metaclass
@add_metaclass(ABCMeta)
class Reader:
"""Abstract class for reader objects."""
def __init__(self, source, *args, **kwargs):
"""Initialize the Reader object.
This should be called by a subclass in its own __init__ method.
Inputs:
source - A single filename, stream [TODO], or list of filenames/streams [TODO].
"""
if isinstance(source, str):
self.filename = source
else:
raise ValueError
def parse(self):
"""Read the raw contents of the source into the Reader."""
# TODO This cannot currently handle streams.
with open(self.filename) as handle:
self.filecontents = handle.read()
return None
@abstractmethod
def generate_repr(self):
"""Convert the raw contents of the source into the internal representation."""
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