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# coding: utf-8
# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
"""
FILE: sample_insert_delete_entities.py
DESCRIPTION:
These samples demonstrate the following: inserting entities into a table
and deleting entities from a table.
USAGE:
python sample_insert_delete_entities.py
Set the environment variables with your own values before running the sample:
1) TABLES_STORAGE_ENDPOINT_SUFFIX - the Table service account URL suffix
2) TABLES_STORAGE_ACCOUNT_NAME - the name of the storage account
3) TABLES_PRIMARY_STORAGE_ACCOUNT_KEY - the storage account access key
"""
import sys
from datetime import datetime
import os
from uuid import uuid4, UUID
from dotenv import find_dotenv, load_dotenv
from typing_extensions import TypedDict
class EntityType(TypedDict, total=False):
PartitionKey: str
RowKey: str
text: str
color: str
price: float
last_updated: datetime
product_id: UUID
inventory_count: int
barcode: bytes
class InsertDeleteEntity(object):
def __init__(self):
load_dotenv(find_dotenv())
self.access_key = os.environ["TABLES_PRIMARY_STORAGE_ACCOUNT_KEY"]
self.endpoint_suffix = os.environ["TABLES_STORAGE_ENDPOINT_SUFFIX"]
self.account_name = os.environ["TABLES_STORAGE_ACCOUNT_NAME"]
self.endpoint = f"{self.account_name}.table.{self.endpoint_suffix}"
self.connection_string = f"DefaultEndpointsProtocol=https;AccountName={self.account_name};AccountKey={self.access_key};EndpointSuffix={self.endpoint_suffix}"
self.table_name = "SampleInsertDelete"
self.entity: EntityType = {
"PartitionKey": "color",
"RowKey": "brand",
"text": "Marker",
"color": "Purple",
"price": 4.99,
"last_updated": datetime.today(),
"product_id": uuid4(),
"inventory_count": 42,
"barcode": b"135aefg8oj0ld58", # cspell:disable-line
}
def create_entity(self):
from azure.data.tables import TableClient
from azure.core.exceptions import ResourceExistsError, HttpResponseError
with TableClient.from_connection_string(self.connection_string, self.table_name) as table_client:
# Create a table in case it does not already exist
try:
table_client.create_table()
except HttpResponseError:
print("Table already exists")
# [START create_entity]
try:
resp = table_client.create_entity(entity=self.entity)
print(resp)
except ResourceExistsError:
print("Entity already exists")
# [END create_entity]
def delete_entity(self):
from azure.data.tables import TableClient
from azure.core.exceptions import ResourceExistsError
from azure.core.credentials import AzureNamedKeyCredential
credential = AzureNamedKeyCredential(self.account_name, self.access_key)
with TableClient(endpoint=self.endpoint, table_name=self.table_name, credential=credential) as table_client:
# Create an entity to delete (to showcase etag)
try:
table_client.create_entity(entity=self.entity)
except ResourceExistsError:
print("Entity already exists!")
# [START delete_entity]
table_client.delete_entity(row_key=self.entity["RowKey"], partition_key=self.entity["PartitionKey"])
print("Successfully deleted!")
# [END delete_entity]
if __name__ == "__main__":
ide = InsertDeleteEntity()
ide.create_entity()
ide.delete_entity()
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