compare_product_membership

jwst.associations.lib.diff.compare_product_membership(left, right, strict_expname=True)

Compare membership between products.

If the membership is exactly the same, or other special conditions, no error is raised.

Otherwise, the following errors will be raised:

• DuplicateMembersError: A member exists multiple times in the member list.

• MemberLengthDifferenceError: Number of members in the two products differ.

• MemberMismatchError: Members with the same expname do not share the other attributes.

• SubsetError: A member list is a subset of another member list.

• UnaccountedMembersError: Members exist in one association that do not exist in the other.

Parameters:

left, rightdict

Two, individual, association products to compare. Note that these are not associations, just products from associations.

strict_expnamebool

Compare expname exactly. If False, expname munging will occur. See exposure_name() for further details. Generally, False for when comparing unrelated association lists, and True when comparing related associations (those associations were generated together).

Raises:

jwst.associations.lib.diff.MultiDiffError

If there are differences. The message will contain all the differences.