Merge branch 'master' of github.com:mongodb/mongo-python-driver

.evergreen/run-tests.sh

@@ -37,7 +37,7 @@ export PIP_QUIET=1  # Quiet by default
 export PIP_PREFER_BINARY=1 # Prefer binary dists by default
 
 set +x
-PYTHON_IMPL=$(uv run python -c "import platform; print(platform.python_implementation())")
+PYTHON_IMPL=$(uv run --frozen python -c "import platform; print(platform.python_implementation())")
 
 # Try to source local Drivers Secrets
 if [ -f ./secrets-export.sh ]; then
@@ -49,11 +49,11 @@ fi
 
 # Start compiling the args we'll pass to uv.
 # Run in an isolated environment so as not to pollute the base venv.
-UV_ARGS=("--isolated --extra test")
+UV_ARGS=("--isolated --frozen --extra test")
 
 # Ensure C extensions if applicable.
 if [ -z "${NO_EXT:-}" ] && [ "$PYTHON_IMPL" = "CPython" ]; then
-    uv run tools/fail_if_no_c.py
+    uv run --frozen tools/fail_if_no_c.py
 fi
 
 if [ "$AUTH" != "noauth" ]; then
@@ -239,7 +239,7 @@ if [ -n "$PERF_TEST" ]; then
 fi
 
 echo "Running $AUTH tests over $SSL with python $(uv python find)"
-uv run python -c 'import sys; print(sys.version)'
+uv run --frozen python -c 'import sys; print(sys.version)'
 
 
 # Run the tests, and store the results in Evergreen compatible XUnit XML

.evergreen/scripts/setup-dev-env.sh

@@ -32,11 +32,11 @@ if [ ! -d $BIN_DIR ]; then
   echo "export UV_PYTHON=$UV_PYTHON" >> $HERE/env.sh
 fi
 echo "Using python $UV_PYTHON"
-uv sync
-uv run --with pip pip install -e .
+uv sync --frozen
+uv run --frozen --with pip pip install -e .
 echo "Setting up python environment... done."
 
 # Ensure there is a pre-commit hook if there is a git checkout.
 if [ -d .git ] && [ ! -f .git/hooks/pre-commit ]; then
-    uv run pre-commit install
+    uv run --frozen pre-commit install
 fi

.github/workflows/dist.yml

@@ -35,9 +35,10 @@ jobs:
         # https://github.com/github/feedback/discussions/7835#discussioncomment-1769026
         buildplat:
         - [ubuntu-20.04, "manylinux_x86_64", "cp3*-manylinux_x86_64"]
-        - [ubuntu-20.04, "manylinux_aarch64", "cp3*-manylinux_aarch64"]
-        - [ubuntu-20.04, "manylinux_ppc64le", "cp3*-manylinux_ppc64le"]
-        - [ubuntu-20.04, "manylinux_s390x", "cp3*-manylinux_s390x"]
+        - [ubuntu-24.04-arm, "manylinux_aarch64", "cp3*-manylinux_aarch64"]
+        # Disabled pending PYTHON-5058
+        # - [ubuntu-24.04, "manylinux_ppc64le", "cp3*-manylinux_ppc64le"]
+        # - [ubuntu-24.04, "manylinux_s390x", "cp3*-manylinux_s390x"]
         - [ubuntu-20.04, "manylinux_i686", "cp3*-manylinux_i686"]
         - [windows-2019, "win_amd6", "cp3*-win_amd64"]
         - [windows-2019, "win32", "cp3*-win32"]

doc/changelog.rst

@@ -11,6 +11,7 @@ Changes in Version 4.11.0 (YYYY/MM/DD)
    A future minor release of PyMongo will raise the minimum supported MongoDB Server version from 4.0 to 4.2.
    This is in accordance with [MongoDB Software Lifecycle Schedules](https://www.mongodb.com/legal/support-policy/lifecycles).
    **Support for MongoDB Server 4.0 will be dropped in a future release!**
+.. warning:: This version does not include wheels for ``ppc64le`` or ``s390x`` architectures, see `PYTHON-5058`_ for more information.
 
 PyMongo 4.11 brings a number of changes including:
 
@@ -49,6 +50,7 @@ in this release.
 .. _PyMongo 4.11 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=40784
 .. _PYTHON-5027: https://jira.mongodb.org/browse/PYTHON-5027
 .. _PYTHON-5024: https://jira.mongodb.org/browse/PYTHON-5024
+.. _PYTHON-5058: https://jira.mongodb.org/browse/PYTHON-5058
 
 Changes in Version 4.10.1 (2024/10/01)
 --------------------------------------

justfile

@@ -4,7 +4,7 @@ set dotenv-load
 set dotenv-filename := "./.evergreen/scripts/env.sh"
 
 # Commonly used command segments.
-uv_run := "uv run --isolated "
+uv_run := "uv run --isolated --frozen "
 typing_run := uv_run + "--group typing --extra aws --extra encryption --extra ocsp --extra snappy --extra test --extra zstd"
 docs_run := uv_run + "--extra docs"
 doc_build := "./doc/_build"

pymongo/common.py

@@ -60,10 +60,10 @@ ORDERED_TYPES: Sequence[Type] = (SON, OrderedDict)
 
 # Defaults until we connect to a server and get updated limits.
 MAX_BSON_SIZE = 16 * (1024**2)
-MAX_MESSAGE_SIZE: int = 2 * MAX_BSON_SIZE
+MAX_MESSAGE_SIZE = 48 * 1000 * 1000
 MIN_WIRE_VERSION = 0
 MAX_WIRE_VERSION = 0
-MAX_WRITE_BATCH_SIZE = 1000
+MAX_WRITE_BATCH_SIZE = 100000
 
 # What this version of PyMongo supports.
 MIN_SUPPORTED_SERVER_VERSION = "4.0"

pymongo/hello.py

@@ -133,7 +133,7 @@ class Hello(Generic[_DocumentType]):
 
     @property
     def max_message_size(self) -> int:
-        return self._doc.get("maxMessageSizeBytes", 2 * self.max_bson_size)
+        return self._doc.get("maxMessageSizeBytes", common.MAX_MESSAGE_SIZE)
 
     @property
     def max_write_batch_size(self) -> int:

test/test_server_description.py

@@ -23,6 +23,7 @@ from test import unittest
 
 from bson.int64 import Int64
 from bson.objectid import ObjectId
+from pymongo import common
 from pymongo.hello import Hello, HelloCompat
 from pymongo.server_description import ServerDescription
 from pymongo.server_type import SERVER_TYPE
@@ -132,11 +133,13 @@ class TestServerDescription(unittest.TestCase):
         self.assertEqual(4, s.min_wire_version)
         self.assertEqual(25, s.max_wire_version)
 
-    def test_default_max_message_size(self):
-        s = parse_hello_response({"ok": 1, HelloCompat.LEGACY_CMD: True, "maxBsonObjectSize": 2})
-
-        # Twice max_bson_size.
-        self.assertEqual(4, s.max_message_size)
+    def test_defaults(self):
+        s = parse_hello_response({"ok": 1, HelloCompat.LEGACY_CMD: True})
+        self.assertEqual(common.MAX_BSON_SIZE, s.max_bson_size)
+        self.assertEqual(common.MAX_MESSAGE_SIZE, s.max_message_size)
+        self.assertEqual(common.MIN_WIRE_VERSION, s.min_wire_version)
+        self.assertEqual(common.MAX_WIRE_VERSION, s.max_wire_version)
+        self.assertEqual(common.MAX_WRITE_BATCH_SIZE, s.max_write_batch_size)
 
     def test_standalone(self):
         s = parse_hello_response({"ok": 1, HelloCompat.LEGACY_CMD: True})