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"""Exception classes specific to extra_data."""
class FileStructureError(Exception):
pass
class SourceNameError(KeyError):
def __init__(self, source):
self.source = source
def __str__(self):
return (
"This data has no source named {!r}.\n"
"See data.all_sources for available sources.".format(self.source)
)
class PropertyNameError(KeyError):
def __init__(self, prop, source):
self.prop = prop
self.source = source
def __str__(self):
return "No property {!r} for source {!r}".format(self.prop, self.source)
class TrainIDError(KeyError):
def __init__(self, train_id):
self.train_id = train_id
def __str__(self):
return "Train ID {!r} not found in this data".format(self.train_id)
class AliasError(KeyError):
def __init__(self, alias):
self.alias = alias
def __str__(self):
return f"'{self.alias}' not known as alias for this data"
class MultiRunError(ValueError):
def __str__(self):
return (
"The requested data is only available for a single run. This "
"EXtra-data DataCollection may have data from multiple runs, e.g. "
"because you have used .union() to combine data. Please retrieve "
"this information before combining."
)
class NoDataError(ValueError):
def __init__(self, source, key=None):
self.source = source
self.key = key
def __str__(self):
if self.key is not None:
return 'This data is empty for key {!r} of source {!r}'.format(
self.key, self.source)
else:
return 'This data is empty for source {!r}'.format(self.source)
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