I would just write a loop against the API.
shorter and more powerful.;
On Thu, Apr 15, 2021 at 12:32 PM Daniele Nicolodi <dani...@grinta.net>
wrote:
> On 15/04/2021 15:31, Daniele Nicolodi wrote:
> > Hello,
> >
> > I am writing a tool that should operate on a selection of entries from a
> > Benacount ledger. I could come up with my own little DSL to do the
> > selection, but we already have BQL, thus I think reusing it would be
> nice.
>
> Replying to myself. There is not a ready made function, but it is easy
> to put together one. For example:
>
> from beancount.query import query_compile
> from beancount.query import query_env
> from beancount.query import query_execute
> from beancount.query import query_parser
>
>
> def filter_entries(entries, options, what):
> env_targets = query_env.TargetsEnvironment()
> env_entries = query_env.FilterEntriesEnvironment()
> env_postings = query_env.FilterPostingsEnvironment()
>
> # Parse the BQL statement.
> parser = query_parser.Parser()
> statement = parser.parse(f'PRINT FROM {what:}')
>
> # Compile the BQL statement.
> compiled = query_compile.compile(statement,
> env_targets, env_postings, env_entries)
>
> # Execute only the filtering part of the BQL statement.
> context = query_execute.create_row_context(entries, options)
> entries = query_execute.filter_entries(compiled.c_from,
> entries, options, context)
>
> return entries
>
> Cheers,
> Dan
>
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