# Source code for tskit.exceptions

# MIT License
#
# Copyright (c) 2018-2020 Tskit Developers
# Copyright (c) 2017 University of Oxford
#
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"""
Exceptions defined in tskit.
"""
from _tskit import FileFormatError
from _tskit import LibraryError
from _tskit import TskitException
from _tskit import VersionTooOldError

# Some exceptions are defined in the low-level module. In particular, the
# superclass of all exceptions for tskit is defined here. We define the
# docstrings here to avoid difficulties with compiling C code on

# TODO finalise this when working out the docs structure for tskit on rtd.

TskitException.__doc__ = "Superclass of all exceptions defined in tskit."
LibraryError.__doc__ = "Generic low-level error raised by the C library."
FileFormatError.__doc__ = "An error was detected in the file format."
The version of the file is too new and cannot be read by the library.
"""
VersionTooOldError.__doc__ = """
The version of the file is too old and cannot be read by the library.
"""

class DuplicatePositionsError(TskitException):
"""
Duplicate positions in the list of sites.
"""

[docs]class ProvenanceValidationError(TskitException):
"""
A JSON document did not validate against the provenance schema.
"""