DataIdMatch

class lsst.pipe.base.tests.mocks.DataIdMatch(expression: str)

Bases: object

Class that can match DataId against the user-defined string expression.

Parameters

expressionstr

User-defined expression, supports syntax defined by daf_butler expression parser. Maps identifiers in the expression to the values of DataId.

Methods Summary

match(dataId)

Match DataId contents against the expression.

Methods Documentation

match(dataId: DataCoordinate | Mapping[str, Any]) → bool

Match DataId contents against the expression.

Parameters

dataIdDataId

DataId that is matched against an expression.

Returns

matchbool

Result of expression evaluation.

Raises

KeyError

Raised when identifier in expression is not defined for given DataId.

TypeError

Raised when expression evaluates to a non-boolean type or when operation in expression cannot be performed on operand types.

NotImplementedError

Raised when expression includes valid but unsupported syntax, e.g. function call.