Source code for openquake.hmtk.parsers.catalogue.base

# -*- coding: utf-8 -*-
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"""
Module :mod:`openquake.hmtk.parsers.catalogue.base` defines an abstract base class
for :class:`CatalogueParser <BaseCatalogueParser>`.
"""
import abc
import os.path


[docs]class BaseCatalogueParser(object): """ A base class for a Catalogue Parser """ __metaclass__ = abc.ABCMeta def __init__(self, input_file): """ Initialise the object and check input file existance """ self.input_file = input_file if not os.path.exists(self.input_file): raise IOError('File not found') @abc.abstractmethod
[docs] def read_file(self): """ Return an instance of the class :class:`Catalogue` """
[docs]class BaseCatalogueWriter(object): """ A base class for a Catalogue writer """ __metaclass__ = abc.ABCMeta def __init__(self, output_file): """ Initialise the object and check output file existance. If file already exists then raise error """ self.output_file = output_file if os.path.exists(self.output_file): raise IOError('Catalogue output file %s already exists!' % self.output_file) @abc.abstractmethod
[docs] def write_file(self): """ Return an instance of the class :class:`Catalogue` """