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tantivy-py
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Fix code snippets in README.md (#203)

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Olivier Grisel 2024-02-02 16:47:04 +01:00 committed by GitHub
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README.md
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@ -69,7 +69,7 @@ import tantivy
schema_builder = tantivy.SchemaBuilder()
schema_builder.add_text_field("title", stored=True)
schema_builder.add_text_field("body", stored=True)
schema_builder.add_integer_field("doc_id",stored=True)
schema_builder.add_integer_field("doc_id", stored=True, indexed=True)
schema = schema_builder.build()
# Creating our index (in memory)
@ -80,7 +80,11 @@ To have a persistent index, use the path
parameter to store the index on the disk, e.g:
```python
index = tantivy.Index(schema, path=os.getcwd() + '/index')
import os
index_path = os.path.abspath("index")
os.makedirs(index_path)
index = tantivy.Index(schema, path=index_path)
```
By default, tantivy offers the following tokenizers
@ -152,13 +156,14 @@ Some basic query Formats.
query = index.parse_query('(Old AND Man) OR Stream', ["title", "body"])
(best_score, best_doc_address) = searcher.search(query, 3).hits[0]
best_doc = searcher.doc(best_doc_address)
print(best_doc)
```
- +(includes) and -(excludes) operators.
```python
query = index.parse_query('+Old +Man chef -fished', ["title", "body"])
(best_score, best_doc_address) = searcher.search(query, 3).hits[0]
best_doc = searcher.doc(best_doc_address)
hits = searcher.search(query, 3).hits
print(len(hits))
```
Note: in a query like above, a word with no +/- acts like an OR.
@ -167,13 +172,15 @@ Note: in a query like above, a word with no +/- acts like an OR.
query = index.parse_query('"eighty-four days"', ["title", "body"])
(best_score, best_doc_address) = searcher.search(query, 3).hits[0]
best_doc = searcher.doc(best_doc_address)
print(best_doc)
```
- integer search
```python
query = index.parse_query('"eighty-four days"', ["doc_id"])
query = index.parse_query("1", ["doc_id"])
(best_score, best_doc_address) = searcher.search(query, 3).hits[0]
best_doc = searcher.doc(best_doc_address)
print(best_doc)
```
Note: for integer search, the integer field should be indexed.