1# -*- Mode: python; tab-width: 4; indent-tabs-mode:nil; coding:utf-8 -*- 2# vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4 3# 4# MDAnalysis --- https://www.mdanalysis.org 5# Copyright (c) 2006-2017 The MDAnalysis Development Team and contributors 6# (see the file AUTHORS for the full list of names) 7# 8# Released under the GNU Public Licence, v2 or any higher version 9# 10# Please cite your use of MDAnalysis in published work: 11# 12# R. J. Gowers, M. Linke, J. Barnoud, T. J. E. Reddy, M. N. Melo, S. L. Seyler, 13# D. L. Dotson, J. Domanski, S. Buchoux, I. M. Kenney, and O. Beckstein. 14# MDAnalysis: A Python package for the rapid analysis of molecular dynamics 15# simulations. In S. Benthall and S. Rostrup editors, Proceedings of the 15th 16# Python in Science Conference, pages 102-109, Austin, TX, 2016. SciPy. 17# 18# N. Michaud-Agrawal, E. J. Denning, T. B. Woolf, and O. Beckstein. 19# MDAnalysis: A Toolkit for the Analysis of Molecular Dynamics Simulations. 20# J. Comput. Chem. 32 (2011), 2319--2327, doi:10.1002/jcc.21787 21# 22 23""" 24Custom exceptions and warnings --- :mod:`MDAnalysis.exceptions` 25=============================================================== 26 27""" 28 29class SelectionError(Exception): 30 """Raised when a atom selection failed.""" 31 32 33class FinishTimeException(Exception): 34 """For Issue 188.""" 35 36 37class NoDataError(ValueError): 38 """Raised when empty input is not allowed or required data are missing.""" 39 40 41class ApplicationError(OSError): 42 """Raised when an external application failed. 43 44 The error code is specific for the application. 45 46 .. versionadded:: 0.7.7 47 """ 48 49 50class SelectionWarning(Warning): 51 """Warning indicating a possible problem with a selection.""" 52 53 54class MissingDataWarning(Warning): 55 """Warning indicating is that required data are missing.""" 56 57 58class ConversionWarning(Warning): 59 """Warning indicating a problem with converting between units.""" 60 61 62class FileFormatWarning(Warning): 63 """Warning indicating possible problems with a file format.""" 64 65 66class StreamWarning(Warning): 67 """Warning indicating a possible problem with a stream. 68 69 :exc:`StreamWarning` is used when streams are substituted for simple access 70 by filename (see in particular 71 :class:`~MDAnalysis.lib.util.NamedStream`). This does not work everywhere 72 in MDAnalysis (yet). 73 """ 74 75 76class DuplicateWarning(UserWarning): 77 """Warning indicating possible problems arising from an 78 :class:`~MDAnalysis.core.groups.AtomGroup` / 79 :class:`~MDAnalysis.core.groups.ResidueGroup` / 80 :class:`~MDAnalysis.core.groups.SegmentGroup` containing duplicate 81 :class:`Atoms<MDAnalysis.core.groups.Atom>` / 82 :class:`Residues<MDAnalysis.core.groups.Residue>` / 83 :class:`Segments<MDAnalysis.core.groups.Segment>`. 84 85 86 .. versionadded:: 0.19.0 87 """ 88