luqum_lucene_query_parsing_ast_and_stringify.py

1from luqum.parser import parser
2
3# Define a Lucene query string
4query_str = 'author:"John Doe" AND (title:python OR title:lucene)'
5
6# Parse the query string into an AST (Abstract Syntax Tree)
7tree = parser.parse(query_str)
8
9# Display the AST
10print(f"AST: {tree}")
11
12# Convert the AST back to a query string
13print(f"Back to string: {tree.str()}")