pybool_ir.query.parser

Base classes for representing queries.

Classes

QueryParser()

Base class for implementing query parsers.

class pybool_ir.query.parser.QueryParser

Bases: ABC

Base class for implementing query parsers. A query parser should be able to parse a raw query into an AST node, and then format that AST node into a lucene query.

abstract format(node: ASTNode) → str

Format an AST node into a raw query.

abstract parse_ast(raw_query: str) → ASTNode

Parse a raw query into an AST node.

abstract parse_lucene(raw_query: str) → Query

Parse a raw query into a lucene query.

transform(node: ASTNode) → Query

Transform an AST node into a lucene query.