37 lines
864 B
Python
37 lines
864 B
Python
import chromadb
|
|
from chromadb.errors import NotFoundError
|
|
from typing import List
|
|
|
|
|
|
def list_collections() -> List[str]:
|
|
client = chromadb.PersistentClient()
|
|
collections = client.list_collections()
|
|
|
|
if not collections:
|
|
return []
|
|
|
|
return [getattr(collection, "name", str(collection)) for collection in collections]
|
|
|
|
|
|
def create_collection(name: str) -> str:
|
|
client = chromadb.PersistentClient()
|
|
collection = client.create_collection(name=name)
|
|
|
|
return getattr(collection, "name", name)
|
|
|
|
|
|
def delete_collection(name: str) -> None:
|
|
client = chromadb.PersistentClient()
|
|
client.delete_collection(name=name)
|
|
|
|
|
|
def count_collection(name: str) -> int:
|
|
client = chromadb.PersistentClient()
|
|
|
|
try:
|
|
collection = client.get_collection(name=name)
|
|
except NotFoundError:
|
|
raise
|
|
|
|
return collection.count()
|