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common : add -jf / --json-schema-file flag (#12011)

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This commit is contained in:
Olivier Chafik
2025-04-30 13:52:35 +01:00
committed by GitHub
parent e5007a5edf
commit 3b127c7385
1 changed files with 17 additions and 0 deletions
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17
common/arg.cpp
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@ -1948,6 +1948,23 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
params.sampling.grammar = json_schema_to_grammar(json::parse(value));
}
).set_sparam());
add_opt(common_arg(
{"-jf", "--json-schema-file"}, "FILE",
"File containing a JSON schema to constrain generations (https://json-schema.org/), e.g. `{}` for any JSON object\nFor schemas w/ external $refs, use --grammar + example/json_schema_to_grammar.py instead",
[](common_params & params, const std::string & value) {
std::ifstream file(value);
if (!file) {
throw std::runtime_error(string_format("error: failed to open file '%s'\n", value.c_str()));
}
std::string schema;
std::copy(
std::istreambuf_iterator<char>(file),
std::istreambuf_iterator<char>(),
std::back_inserter(schema)
);
params.sampling.grammar = json_schema_to_grammar(json::parse(schema));
}
).set_sparam());
add_opt(common_arg(
{"--pooling"}, "{none,mean,cls,last,rank}",
"pooling type for embeddings, use model default if unspecified",