Hi,
Is it reasonable to expect that a SMARTS should match itself when
useQueryQueryMatches=True?
query = Chem.MolFromSmarts('[C;!$(C=O)]Cl')
query.HasSubstructMatch(query, useQueryQueryMatches=True)
The above returns False. Without useQueryQueryMatches, it returns True, but
I think I need useQueryQueryMatches for my application because queries are
not generally valid molecules, and in some cases HasSubstructMatch ends up
raising exceptions (for example when the SMARTS specifies hydrogen counts).
If I remove the recursive part of the SMARTS above, I get a match, so I
suspect that the query-query search doesn't play well with recursive SMARTS.
Best,
Ivan
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