def _checkMetadata(self, variantFile):
"""
Checks that metadata is consistent
"""
metadata = self._getMetadataFromVcf(variantFile)
if self._metadata is not None and self._metadata != metadata:
raise exceptions.InconsistentMetaDataException(
variantFile.filename)
def _updateMetadata(self, variantFile):
"""
Updates the metadata for his variant set based on the specified
variant file, and ensures that it is consistent with already
existing metadata.
"""
metadata = self._getMetadataFromVcf(variantFile)
if self._metadata is None:
self._metadata = metadata
else:
if self._metadata != metadata:
raise exceptions.InconsistentMetaDataException(
variantFile.filename)