52 lines
1.2 KiB
Python
52 lines
1.2 KiB
Python
import llama_cpp
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import json
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tree = """
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leaf ::= "."
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node ::= leaf | "(" node node ")"
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root ::= node
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"""
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def test_grammar_from_string():
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grammar = llama_cpp.LlamaGrammar.from_string(tree)
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assert grammar._n_rules == 3
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assert grammar._start_rule_index == 2
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assert grammar.grammar is not None
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def test_composed_pydantic_grammar():
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"""
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from pydantic import BaseModel
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class A(BaseModel):
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a: int
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class B(BaseModel):
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a: A
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b: int
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"""
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# This schema corresponds to the grammar in the comment above.
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# We don't use the pydantic models directly to avoid the dependency.
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schema = {
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"$defs": {
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"A": {
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"properties": {"a": {"title": "A", "type": "integer"}},
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"required": ["a"],
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"title": "A",
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"type": "object",
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}
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},
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"properties": {
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"a": {"$ref": "#/$defs/A"},
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"b": {"title": "B", "type": "integer"},
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},
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"required": ["a", "b"],
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"title": "B",
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"type": "object",
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}
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grammar = llama_cpp.LlamaGrammar.from_json_schema(json.dumps(schema))
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assert grammar.grammar is not None
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