Remove all concepts from Weaviate

emptyWeaviate.py

##
# This script removes all things and action (i.e., concepts) from a Weaviate.
#
# Make sure to set the WEAVIATE_URL
##
import requests 
from datetime import datetime

WEAVIATE_URL = "localhost"
HEADERS = {'Content-type': 'application/json'}
MAX_COUNTER = 25 # config set for max results from Weaviate

# A simple logger
def log(i):
    now = datetime.fromtimestamp(datetime.timestamp(datetime.now()))
    print(now, "| " + i)

# delete a concept
def conceptDelete(conceptType):
    counter = 0
    # Get all concepts
    req = requests.get(url="http://" + WEAVIATE_URL + ":8080/weaviate/v1/" + conceptType, headers=HEADERS) 
    result = req.json() 
    # loop and delete
    for concept in result[conceptType]:
        # delete the concept
        req = requests.delete(url="http://" + WEAVIATE_URL + ":8080/weaviate/v1/" + conceptType + "/" + concept["id"])
        # validate if valid
        if req.status_code != 204:
            log("ERROR: SOMETHING IS WRONG, can't delete")
            exit(1)
        else:
            counter = counter + 1
            log(concept["id"] + " delete success")

    # if total is 25 restart
    if counter == MAX_COUNTER:
        counter = 0
        conceptDelete(conceptType)

# Remove all Things
conceptDelete("things")
conceptDelete("actions")

# done
log("DONE")