[Backport 8.15] Drop Python 3.7 support (#2618)

Signed-off-by: Tomasz Kłoczko <kloczek@github.com>
Co-authored-by: Quentin Pradet <quentin.pradet@elastic.co>
(cherry picked from commit dec4858)

Co-authored-by: Tomasz Kłoczko <31284574+kloczek@users.noreply.github.com>

.buildkite/pipeline.yml

@@ -11,7 +11,6 @@ steps:
     matrix:
       setup:
         python:
-          - "3.7"
           - "3.8"
           - "3.9"
           - "3.10"
@@ -24,7 +23,7 @@ steps:
           - "test"
       adjustments:
         - with:
-            python: "3.7"
+            python: "3.8"
             connection: "urllib3"
             nox_session: "test_otel"
         - with:

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         nox-session: [""]
         runs-on: ["ubuntu-latest"]
 

docs/guide/getting-started.asciidoc

@@ -8,7 +8,7 @@ operations with it.
 [discrete]
 === Requirements
 
-* https://www.python.org/[Python] 3.7 or newer
+* https://www.python.org/[Python] 3.8 or newer
 * https://pip.pypa.io/en/stable/[`pip`], installed by default alongside Python
 
 [discrete]

docs/sphinx/conf.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright

docs/sphinx/quickstart.rst

@@ -9,7 +9,7 @@ operations like indexing or searching documents.
 Requirements
 ------------
 
-- `Python <https://www.python.org/>`_ 3.7 or newer
+- `Python <https://www.python.org/>`_ 3.8 or newer
 - `pip <https://pip.pypa.io/en/stable/>`_
 
 

elasticsearch/_otel.py

@@ -19,10 +19,7 @@
 
 import contextlib
 import os
-from typing import TYPE_CHECKING, Generator, Mapping
-
-if TYPE_CHECKING:
-    from typing import Literal
+from typing import Generator, Literal, Mapping
 
 try:
     from opentelemetry import trace
@@ -48,8 +45,7 @@ def __init__(
         self,
         enabled: bool | None = None,
         tracer: trace.Tracer | None = None,
-        # TODO import Literal at the top-level when dropping Python 3.7
-        body_strategy: 'Literal["omit", "raw"]' | None = None,
+        body_strategy: Literal["omit", "raw"] | None = None,
     ):
         if enabled is None:
             enabled = os.environ.get(ENABLED_ENV_VAR, "true") == "true"

examples/bulk-ingest/bulk-ingest.py

@@ -66,7 +66,7 @@ def generate_actions():
     yields a single document. This function is passed into the bulk()
     helper to create many documents in sequence.
     """
-    with open(DATASET_PATH, mode="r") as f:
+    with open(DATASET_PATH) as f:
         reader = csv.DictReader(f)
 
         for row in reader:

noxfile.py

@@ -45,14 +45,14 @@ def pytest_argv():
     ]
 
 
-@nox.session(python=["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"])
+@nox.session(python=["3.8", "3.9", "3.10", "3.11", "3.12"])
 def test(session):
     session.install(".[dev]", env=INSTALL_ENV, silent=False)
 
     session.run(*pytest_argv())
 
 
-@nox.session(python=["3.7", "3.12"])
+@nox.session(python=["3.8", "3.12"])
 def test_otel(session):
     session.install(
         ".[dev]",

pyproject.toml

@@ -7,7 +7,7 @@ name = "elasticsearch"
 description = "Python client for Elasticsearch"
 readme = "README.md"
 license = "Apache-2.0"
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 authors = [
     { name = "Elastic Client Library Maintainers", email = "client-libs@elastic.co" },
 ]
@@ -21,7 +21,6 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
@@ -72,8 +71,6 @@ dev = [
     "simsimd",
     "pandas",
     "mapbox-vector-tile",
-    # Python 3.7 gets an old version of mapbox-vector-tile, requiring an old version of protobuf
-    "protobuf<4; python_version<=\"3.7\"",
 ]
 docs = [
     "sphinx",

test_elasticsearch/test_async/test_server/test_clients.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright
@@ -16,7 +15,6 @@
 #  specific language governing permissions and limitations
 #  under the License.
 
-from __future__ import unicode_literals
 
 import pytest
 

test_elasticsearch/test_async/test_server/test_helpers.py

@@ -33,13 +33,13 @@
 
 class AsyncMock(MagicMock):
     async def __call__(self, *args, **kwargs):
-        return super(AsyncMock, self).__call__(*args, **kwargs)
+        return super().__call__(*args, **kwargs)
 
     def __await__(self):
         return self().__await__()
 
 
-class FailingBulkClient(object):
+class FailingBulkClient:
     def __init__(
         self,
         client,
@@ -68,7 +68,7 @@ def options(self, **_):
         return self
 
 
-class TestStreamingBulk(object):
+class TestStreamingBulk:
     async def test_actions_remain_unchanged(self, async_client):
         actions = [{"_id": 1}, {"_id": 2}]
         async for ok, item in helpers.async_streaming_bulk(
@@ -294,7 +294,7 @@ async def streaming_bulk():
         assert 4 == failing_client._called
 
 
-class TestBulk(object):
+class TestBulk:
     async def test_bulk_works_with_single_item(self, async_client):
         docs = [{"answer": 42, "_id": 1}]
         success, failed = await helpers.async_bulk(
@@ -458,7 +458,7 @@ async def scan_teardown(async_client):
     await async_client.clear_scroll(scroll_id="_all")
 
 
-class TestScan(object):
+class TestScan:
     async def test_order_can_be_preserved(self, async_client, scan_teardown):
         bulk = []
         for x in range(100):
@@ -493,8 +493,8 @@ async def test_all_documents_are_read(self, async_client, scan_teardown):
         ]
 
         assert 100 == len(docs)
-        assert set(map(str, range(100))) == set(d["_id"] for d in docs)
-        assert set(range(100)) == set(d["_source"]["answer"] for d in docs)
+        assert set(map(str, range(100))) == {d["_id"] for d in docs}
+        assert set(range(100)) == {d["_source"]["answer"] for d in docs}
 
     async def test_scroll_error(self, async_client, scan_teardown):
         bulk = []
@@ -881,7 +881,7 @@ async def reindex_setup(async_client):
     yield
 
 
-class TestReindex(object):
+class TestReindex:
     async def test_reindex_passes_kwargs_to_scan_and_bulk(
         self, async_client, reindex_setup
     ):
@@ -1031,7 +1031,7 @@ async def reindex_data_stream_setup(async_client):
     yield
 
 
-class TestAsyncDataStreamReindex(object):
+class TestAsyncDataStreamReindex:
     @pytest.mark.parametrize("op_type", [None, "create"])
     async def test_reindex_index_datastream(
         self, op_type, async_client, reindex_data_stream_setup

test_elasticsearch/test_async/test_server/test_rest_api_spec.py

@@ -228,9 +228,9 @@ async def _feature_enabled(self, name):
         if XPACK_FEATURES is None:
             try:
                 xinfo = await self.client.xpack.info()
-                XPACK_FEATURES = set(
+                XPACK_FEATURES = {
                     f for f in xinfo["features"] if xinfo["features"][f]["enabled"]
-                )
+                }
                 IMPLEMENTED_FEATURES.add("xpack")
             except RequestError:
                 XPACK_FEATURES = set()

test_elasticsearch/test_async/test_transport.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright
@@ -16,7 +15,6 @@
 #  specific language governing permissions and limitations
 #  under the License.
 
-from __future__ import unicode_literals
 
 import asyncio
 import re
@@ -280,7 +278,7 @@ def test_kwargs_passed_on_to_node_pool(self):
         )
         assert dt is client.transport.node_pool.dead_node_backoff_factor
 
-        class MyConnection(object):
+        class MyConnection:
             def __init__(self, *_, **__):
                 pass
 

test_elasticsearch/test_client/test_options.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright

test_elasticsearch/test_client/test_overrides.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright

test_elasticsearch/test_client/test_utils.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright
@@ -16,7 +15,6 @@
 #  specific language governing permissions and limitations
 #  under the License.
 
-from __future__ import unicode_literals
 
 from elasticsearch._sync.client.utils import _quote
 

test_elasticsearch/test_helpers.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright
@@ -75,7 +74,7 @@ def test_chunk_sent_from_different_threads(self, _process_bulk_chunk):
                 chunk_size=2,
             )
         )
-        assert len(set([r[1] for r in results])) > 1
+        assert len({r[1] for r in results}) > 1
 
 
 class TestChunkActions:

test_elasticsearch/test_serializer.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright

test_elasticsearch/test_server/test_clients.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright

test_elasticsearch/test_server/test_helpers.py

@@ -27,7 +27,7 @@
 from elasticsearch.helpers import ScanError
 
 
-class FailingBulkClient(object):
+class FailingBulkClient:
     def __init__(
         self,
         client,
@@ -463,8 +463,8 @@ def test_all_documents_are_read(sync_client):
     docs = list(helpers.scan(sync_client, index="test_index", size=2))
 
     assert 100 == len(docs)
-    assert set(map(str, range(100))) == set(d["_id"] for d in docs)
-    assert set(range(100)) == set(d["_source"]["answer"] for d in docs)
+    assert set(map(str, range(100))) == {d["_id"] for d in docs}
+    assert set(range(100)) == {d["_source"]["answer"] for d in docs}
 
 
 @pytest.mark.usefixtures("scan_teardown")

test_elasticsearch/test_server/test_rest_api_spec.py

@@ -24,7 +24,6 @@
 import json
 import os
 import re
-import sys
 import warnings
 import zipfile
 from typing import Tuple, Union
@@ -131,10 +130,7 @@
 
 XPACK_FEATURES = None
 ES_VERSION = None
-RUN_ASYNC_REST_API_TESTS = (
-    sys.version_info >= (3, 8)
-    and os.environ.get("PYTHON_CONNECTION_CLASS") == "requests"
-)
+RUN_ASYNC_REST_API_TESTS = os.environ.get("PYTHON_CONNECTION_CLASS") == "requests"
 
 FALSEY_VALUES = ("", None, False, 0, 0.0)
 
@@ -456,7 +452,7 @@ def _resolve(self, value):
         if isinstance(value, string_types):
             value = value.strip()
         elif isinstance(value, dict):
-            value = dict((k, self._resolve(v)) for (k, v) in value.items())
+            value = {k: self._resolve(v) for (k, v) in value.items()}
         elif isinstance(value, list):
             value = list(map(self._resolve, value))
         return value
@@ -495,9 +491,9 @@ def _feature_enabled(self, name):
         if XPACK_FEATURES is None:
             try:
                 xinfo = self.client.xpack.info()
-                XPACK_FEATURES = set(
+                XPACK_FEATURES = {
                     f for f in xinfo["features"] if xinfo["features"][f]["enabled"]
-                )
+                }
                 IMPLEMENTED_FEATURES.add("xpack")
             except RequestError:
                 XPACK_FEATURES = set()

test_elasticsearch/test_transport.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #  Licensed to Elasticsearch B.V. under one or more contributor
 #  license agreements. See the NOTICE file distributed with
 #  this work for additional information regarding copyright
@@ -311,7 +310,7 @@ def test_kwargs_passed_on_to_node_pool(self):
         assert dt is client.transport.node_pool.dead_node_backoff_factor
 
     def test_custom_node_class(self):
-        class MyConnection(object):
+        class MyConnection:
             def __init__(self, *_, **__):
                 pass
 

utils/build-dists.py

@@ -50,7 +50,7 @@ def run(*argv, expect_exit_code=0):
         else:
             os.chdir(tmp_dir)
 
-        cmd = " ".join(shlex.quote(x) for x in argv)
+        cmd = shlex.join(argv)
         print("$ " + cmd)
         exit_code = os.system(cmd)
         if exit_code != expect_exit_code:

utils/bump-version.py

@@ -29,7 +29,7 @@
 def find_and_replace(path, pattern, replace):
     # Does a find and replace within a file path and complains
     # if the given pattern isn't found in the file.
-    with open(path, "r") as f:
+    with open(path) as f:
         old_data = f.read()
 
     if re.search(pattern, old_data, flags=re.MULTILINE) is None:

utils/license-headers.py

@@ -66,7 +66,7 @@ def find_files_to_fix(sources: List[str]) -> Iterator[str]:
 def does_file_need_fix(filepath: str) -> bool:
     if not re.search(r"\.pyi?$", filepath):
         return False
-    with open(filepath, mode="r") as f:
+    with open(filepath) as f:
         first_license_line = None
         for line in f:
             if line == license_header_lines[0]:
@@ -83,7 +83,7 @@ def does_file_need_fix(filepath: str) -> bool:
 
 
 def add_header_to_file(filepath: str) -> None:
-    with open(filepath, mode="r") as f:
+    with open(filepath) as f:
         lines = list(f)
     i = 0
     for i, line in enumerate(lines):