feat: Add delete metrics support #31 (#32)

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### Features
 1. [#24](https://github.com/influxdata/influxdb-client-python/issues/24): Added possibility to write dictionary-style object
 1. [#27](https://github.com/influxdata/influxdb-client-python/issues/27): Added possibility to write bytes type of data
+1. [#31](https://github.com/influxdata/influxdb-client-python/issues/31): Added support for delete metrics  
 
 ### API
 1. [#28](https://github.com/bonitoo-io/influxdb-client-python/pull/28): Updated swagger to latest version

influxdb_client/client/delete_api.py

@@ -0,0 +1,23 @@
+import datetime
+
+from influxdb_client import DefaultService, DeletePredicateRequest
+
+
+class DeleteApi(object):
+
+    def __init__(self, influxdb_client):
+        self._influxdb_client = influxdb_client
+        self._service = DefaultService(influxdb_client.api_client)
+
+    def delete(self, start: datetime, stop: object, predicate: object, bucket_id: str, org_id: str) -> None:
+        """
+        Delete Time series data from InfluxDB.
+        :param start: start time
+        :param stop: stop time
+        :param predicate: predicate
+        :param bucket_id: bucket id from which data will be deleted
+        :param org_id: organization id
+        :return:
+        """
+        predicate_request = DeletePredicateRequest(start=start, stop=stop, predicate=predicate)
+        return self._service.delete_post(delete_predicate_request=predicate_request, bucket_id=bucket_id, org_id=org_id)

influxdb_client/client/influxdb_client.py

@@ -3,6 +3,7 @@
 from influxdb_client import Configuration, ApiClient, HealthCheck, HealthService, Ready, ReadyService
 from influxdb_client.client.authorizations_api import AuthorizationsApi
 from influxdb_client.client.bucket_api import BucketsApi
+from influxdb_client.client.delete_api import DeleteApi
 from influxdb_client.client.labels_api import LabelsApi
 from influxdb_client.client.organizations_api import OrganizationsApi
 from influxdb_client.client.query_api import QueryApi
@@ -144,6 +145,13 @@ def ready(self) -> Ready:
         ready_service = ReadyService(self.api_client)
         return ready_service.get_ready()
 
+    def delete_api(self) -> DeleteApi:
+        """
+        Gets the delete metrics API instance
+        :return: delete api
+        """
+        return DeleteApi(self)
+
 
 class _Configuration(Configuration):
     def __init__(self):

tests/test_DeleteApi.py

@@ -0,0 +1,75 @@
+from influxdb_client.client.write_api import SYNCHRONOUS
+
+from influxdb_client import PermissionResource, Permission, InfluxDBClient, Point, WriteOptions
+from tests.base_test import BaseTest
+
+
+class DeleteApiTest(BaseTest):
+
+    def setUp(self) -> None:
+        super(DeleteApiTest, self).setUp()
+        response = self.buckets_api.find_buckets()
+
+        for bucket in response.buckets:
+            if bucket.name.endswith("_IT"):
+                print("Delete bucket: ", bucket.name)
+                self.buckets_api.delete_bucket(bucket)
+
+        self.bucket = self.create_test_bucket()
+        self.organization = self.find_my_org()
+
+        resource = PermissionResource(type="buckets", org_id=self.organization.id, id=self.bucket.id)
+        read_bucket = Permission(resource=resource, action="read")
+        write_bucket = Permission(resource=resource, action="write")
+
+        authorization = self.client.authorizations_api().create_authorization(org_id=self.organization.id,
+                                                                              permissions=[read_bucket, write_bucket])
+        self.auth_token = authorization.token
+        self.client.close()
+        self.client = InfluxDBClient(url=self.host, token=self.auth_token, debug=True, org=self.org)
+        self.delete_api = self.client.delete_api()
+
+    def test_delete_buckets(self):
+
+        write_api = self.client.write_api(write_options=SYNCHRONOUS)
+        p1 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 7.0).time(1)
+        write_api.write(bucket=self.bucket.name, org=self.organization.name, record=p1)
+
+        p2 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 8.0).time(2)
+        write_api.write(bucket=self.bucket.name, org=self.organization.name, record=p2)
+
+        p3 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 9.0).time(3)
+        p4 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 10.0).time(4)
+        write_api.write(bucket=self.bucket.name, org=self.organization.name, record=[p3, p4])
+
+        p5 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 11.0).time(5)
+        p6 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 12.0).time(6)
+        write_api.write(bucket=self.bucket.name, org=self.organization.name, record=[p5, p6])
+
+        p7 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 8.0).time(7)
+        write_api.write(bucket=self.bucket.name, org=self.organization.name, record=p7)
+        p8 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 9.0).time(8)
+        write_api.write(bucket=self.bucket.name, org=self.organization.name, record=p8)
+
+        p9 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 9.0).time(9)
+        p10 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 11.0).time(10)
+        write_api.write(bucket=self.bucket.name, org=self.organization.name, record=[p9, p10])
+
+        p11 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 11.0).time(11)
+        p12 = Point(measurement_name="h2o").tag("location", "coyote_creek").field("watter_level", 13.0).time(12)
+        write_api.write(bucket=self.bucket.name, org=self.organization.name, record=[p11, p12])
+
+        q = f'from(bucket:\"{self.bucket.name}\") |> range(start: 1970-01-01T00:00:00.000000001Z)'
+        print(q)
+        flux_tables = self.client.query_api().query(query=q, org=self.organization.id)
+        self.assertEqual(len(flux_tables), 1)
+        self.assertEqual(len(flux_tables[0].records), 12)
+
+        start = "1970-01-01T00:00:00.000000001Z"
+        stop = "1970-01-01T00:00:00.000000012Z"
+        self.delete_api.delete(start, stop, "", bucket_id=self.bucket.id, org_id=self.organization.id)
+
+        flux_tables2 = self.client.query_api().query(
+            f'from(bucket:"{self.bucket.name}") |> range(start: 1970-01-01T00:00:00.000000001Z)',
+            org=self.organization.id)
+        self.assertEqual(len(flux_tables2), 0)

tests/test_LabelsApi.py

@@ -79,9 +79,8 @@ def test_clone_label(self):
 
         label = self.labels_api.create_label(name, self.organization.id, properties)
 
-        cloned = self.labels_api.clone_label(cloned_name=name, label=label)
-
-        self.assertEqual(cloned.name, name)
+        cloned = self.labels_api.clone_label(cloned_name=name+"_clone", label=label)
+        self.assertEqual(cloned.name, name+"_clone")
         self.assertEqual(cloned.properties, properties)
 
     def test_find_label_by_id(self):