PYTHON-2386 Drop support for Python 3.5

.evergreen/build-mac.sh

@@ -8,7 +8,7 @@ rm -rf validdist
 mkdir -p validdist
 mv dist/* validdist || true
 
-for VERSION in 3.5 3.6 3.7 3.8 3.9; do
+for VERSION in 3.6 3.7 3.8 3.9; do
     PYTHON=/Library/Frameworks/Python.framework/Versions/$VERSION/bin/python3
     rm -rf build
 

.evergreen/build-manylinux-internal.sh

@@ -11,7 +11,7 @@ mv dist/* validdist || true
 
 # Compile wheels
 for PYTHON in /opt/python/*/bin/python; do
-    if [[ ! $PYTHON =~ (cp35|cp36|cp37|cp38|cp39) ]]; then
+    if [[ ! $PYTHON =~ (cp36|cp37|cp38|cp39) ]]; then
         continue
     fi
     # https://github.com/pypa/manylinux/issues/49

.evergreen/build-manylinux.sh

@@ -19,7 +19,6 @@ ls dist
 
 # Check for any unexpected files.
 unexpected=$(find dist \! \( -iname dist -or \
-                             -iname '*cp35*' -or \
                              -iname '*cp36*' -or \
                              -iname '*cp37*' -or \
                              -iname '*cp38*' -or \

.evergreen/build-windows.sh

@@ -8,7 +8,7 @@ rm -rf validdist
 mkdir -p validdist
 mv dist/* validdist || true
 
-for VERSION in 35 36 37 38 39; do
+for VERSION in 36 37 38 39; do
     _pythons=(C:/Python/Python${VERSION}/python.exe \
               C:/Python/32/Python${VERSION}/python.exe)
     for PYTHON in "${_pythons[@]}"; do

.evergreen/config.yml

@@ -1762,11 +1762,6 @@ axes:
     values:
       # Note: always display platform with python-version to avoid ambiguous display names.
       # Linux
-      - id: "3.5"
-        display_name: "Python 3.5"
-        batchtime: 10080  # 7 days
-        variables:
-           PYTHON_BINARY: "/opt/python/3.5/bin/python3"
       - id: "3.6"
         display_name: "Python 3.6"
         variables:
@@ -1783,10 +1778,6 @@ axes:
         display_name: "Python 3.9"
         variables:
           PYTHON_BINARY: "/opt/python/3.9/bin/python3"
-      - id: "pypy3.5"
-        display_name: "PyPy 3.5"
-        variables:
-           PYTHON_BINARY: "/opt/python/pypy3.5/bin/pypy3"
       - id: "pypy3.6"
         display_name: "PyPy 3.6"
         variables:
@@ -1799,10 +1790,6 @@ axes:
   - id: python-version-windows
     display_name: "Python"
     values:
-      - id: "3.5"
-        display_name: "Python 3.5"
-        variables:
-          PYTHON_BINARY: "C:/python/Python35/python.exe"
       - id: "3.6"
         display_name: "Python 3.6"
         variables:
@@ -1823,10 +1810,6 @@ axes:
   - id: python-version-windows-32
     display_name: "Python"
     values:
-      - id: "3.5"
-        display_name: "32-bit Python 3.5"
-        variables:
-          PYTHON_BINARY: "C:/python/32/Python35/python.exe"
       - id: "3.6"
         display_name: "32-bit Python 3.6"
         variables:
@@ -2116,7 +2099,7 @@ buildvariants:
   matrix_spec:
     platform: rhel62
     # RHEL 6.2 does not support Python 3.7.x and later.
-    python-version: &rhel62-pythons ["3.5", "3.6", "pypy3.5", "pypy3.6"]
+    python-version: &rhel62-pythons ["3.6", "pypy3.6"]
     auth: "*"
     ssl: "*"
     coverage: "*"
@@ -2132,14 +2115,14 @@ buildvariants:
 - matrix_name: "tests-pyopenssl"
   matrix_spec:
     platform: ubuntu-16.04
-    python-version: ["3.5", "3.6", "3.7", "3.8", "3.9"]
+    python-version: ["3.6", "3.7", "3.8", "3.9"]
     auth: "*"
     ssl: "ssl"
     pyopenssl: "*"
   # Only test "noauth" with Python 3.7.
   exclude_spec:
     platform: ubuntu-16.04
-    python-version: ["3.5", "3.6", "3.8", "3.9"]
+    python-version: ["3.6", "3.8", "3.9"]
     auth: "noauth"
     ssl: "ssl"
     pyopenssl: "*"
@@ -2152,7 +2135,7 @@ buildvariants:
 - matrix_name: "tests-pyopenssl-pypy"
   matrix_spec:
     platform: debian92
-    python-version: ["pypy3.5", "pypy3.6"]
+    python-version: ["pypy3.6"]
     auth: "auth"
     ssl: "ssl"
     pyopenssl: "*"
@@ -2187,7 +2170,7 @@ buildvariants:
   matrix_spec:
     platform: rhel62
     # RHEL 6.2 does not support Python 3.7.x and later.
-    python-version: ["3.5", "3.6"]
+    python-version: ["3.6"]
     auth-ssl: noauth-nossl
 # TODO: dependency error for 'coverage-report' task:
 # dependency tests-python-version-rhel62-test-encryption_.../test-2.6-standalone is not present in the project config
@@ -2199,7 +2182,7 @@ buildvariants:
 - matrix_name: "tests-pypy-debian-test-encryption"
   matrix_spec:
     platform: debian92
-    python-version: ["pypy3.5", "pypy3.6"]
+    python-version: ["pypy3.6"]
     auth-ssl: noauth-nossl
     encryption: "*"
   display_name: "Encryption ${python-version} ${platform} ${auth-ssl}"
@@ -2215,7 +2198,7 @@ buildvariants:
   exclude_spec:
    # These interpreters are always tested without extensions.
    - platform: rhel62
-     python-version: ["pypy3.5", "pypy3.6"]
+     python-version: ["pypy3.6"]
      c-extensions: "*"
      auth-ssl: "*"
      coverage: "*"
@@ -2242,13 +2225,13 @@ buildvariants:
   matrix_spec:
     # Ubuntu 16.04 images have libsnappy-dev installed, and provides OpenSSL 1.0.2 for testing Python 3.7
     platform: ubuntu-16.04
-    python-version: ["3.5", "3.6", "3.7", "3.8", "3.9", "pypy3.5", "pypy3.6"]
+    python-version: ["3.6", "3.7", "3.8", "3.9", "pypy3.6"]
     c-extensions: "*"
     compression: "*"
   exclude_spec:
    # These interpreters are always tested without extensions.
    - platform: ubuntu-16.04
-     python-version: ["pypy3.5", "pypy3.6"]
+     python-version: ["pypy3.6"]
      c-extensions: "with-c-extensions"
      compression: "*"
    # PYTHON-2365 Some tests fail with CPython 3.8+ and python-snappy
@@ -2281,7 +2264,7 @@ buildvariants:
   exclude_spec:
    # Don't test green frameworks on these Python versions.
    - platform: rhel62
-     python-version: ["pypy3.5", "pypy3.6"]
+     python-version: ["pypy3.6"]
      green-framework: "*"
      auth-ssl: "*"
   display_name: "${green-framework} ${python-version} ${platform} ${auth-ssl}"
@@ -2420,7 +2403,7 @@ buildvariants:
   matrix_spec:
     platform: rhel62
     # The toolchain doesn't currently include mod-wsgi
-    # built for CPython 3.5 or 3.8, mod-wsgi doesn't yet
+    # built for CPython 3.8, mod-wsgi doesn't yet
     # claim to support 3.9. Python 3.7+ won't build on rhel6
     # and we need to do some work to migrate mod-wsgi testing
     # to a different OS. For now we're stuck just testing with
@@ -2443,7 +2426,7 @@ buildvariants:
 - matrix_name: "tests-doctests"
   matrix_spec:
     platform: rhel62
-    python-version: ["3.5"]
+    python-version: ["3.6"]
   display_name: "Doctests ${python-version} ${platform}"
   tasks:
      - name: "doctests"
@@ -2485,7 +2468,7 @@ buildvariants:
 - matrix_name: "data-lake-spec-tests"
   matrix_spec:
     platform: ubuntu-16.04
-    python-version: ["3.5", "3.9"]
+    python-version: ["3.6", "3.9"]
     auth: "auth"
     c-extensions: "*"
   display_name: "Atlas Data Lake ${python-version} ${c-extensions}"
@@ -2507,7 +2490,7 @@ buildvariants:
 - matrix_name: "ocsp-test"
   matrix_spec:
     platform: ubuntu-16.04
-    python-version: ["3.5", "3.8", "3.9"]
+    python-version: ["3.6", "3.9"]
     mongodb-version: ["4.4", "latest"]
     auth: "noauth"
     ssl: "ssl"
@@ -2519,7 +2502,7 @@ buildvariants:
 - matrix_name: "ocsp-test-pypy"
   matrix_spec:
     platform: debian92
-    python-version: ["pypy3.5", "pypy3.6"]
+    python-version: ["pypy3.6"]
     mongodb-version: ["4.4", "latest"]
     auth: "noauth"
     ssl: "ssl"
@@ -2531,7 +2514,7 @@ buildvariants:
 - matrix_name: "ocsp-test-windows"
   matrix_spec:
     platform: windows-64-vsMulti-small
-    python-version-windows: ["3.5", "3.9"]
+    python-version-windows: ["3.6", "3.9"]
     mongodb-version: ["4.4", "latest"]
     auth: "noauth"
     ssl: "ssl"

.evergreen/utils.sh

@@ -22,15 +22,7 @@ createvirtualenv () {
     else
         . $VENVPATH/bin/activate
     fi
-    # Upgrade to the latest versions of pip setuptools wheel so that
-    # pip can always download the latest cryptography+cffi wheels.
-    PYTHON_VERSION=$(python -c 'import sys;print("%s.%s" % sys.version_info[:2])')
-    if [[ $PYTHON_VERSION == "3.5" ]]; then
-        # pip 21 will drop support for 3.5.
-        python -m pip install --upgrade 'pip<21'
-    else
-        python -m pip install --upgrade pip
-    fi
+    python -m pip install --upgrade pip
     python -m pip install --upgrade setuptools wheel
 }
 

.travis.yml

@@ -1,11 +1,9 @@
 language: python
 
 python:
-  - 3.5
   - 3.6
   - 3.7
   - 3.8
-  - pypy3.5
 
 services:
   - mongodb

CONTRIBUTING.rst

@@ -19,7 +19,7 @@ that might not be of interest or that has already been addressed.
 Supported Interpreters
 ----------------------
 
-PyMongo supports CPython 3.5+ and PyPy3.5+. Language
+PyMongo supports CPython 3.6+ and PyPy3.6+. Language
 features not supported by all interpreters can not be used.
 
 Style Guide

README.rst

@@ -89,7 +89,7 @@ is incompatible with PyMongo.
 Dependencies
 ============
 
-PyMongo supports CPython 3.5+ and PyPy3.5+.
+PyMongo supports CPython 3.6+ and PyPy3.6+.
 
 Optional dependencies:
 

doc/faq.rst

@@ -134,7 +134,7 @@ they are returned to the pool.
 Does PyMongo support Python 3?
 ------------------------------
 
-PyMongo supports CPython 3.5+ and PyPy3.5+. See the :doc:`python3` for details.
+PyMongo supports CPython 3.6+ and PyPy3.6+. See the :doc:`python3` for details.
 
 Does PyMongo support asynchronous frameworks like Gevent, asyncio, Tornado, or Twisted?
 ---------------------------------------------------------------------------------------

doc/installation.rst

@@ -28,7 +28,7 @@ To upgrade using pip::
 Dependencies
 ------------
 
-PyMongo supports CPython 3.5+ and PyPy3.5+.
+PyMongo supports CPython 3.6+ and PyPy3.6+.
 
 Optional dependencies:
 
@@ -133,7 +133,7 @@ See `http://bugs.python.org/issue11623 <http://bugs.python.org/issue11623>`_
 for a more detailed explanation.
 
 **Lion (10.7) and newer** - PyMongo's C extensions can be built against
-versions of Python 3.5+ downloaded from python.org. In all cases Xcode must be
+versions of Python 3.6+ downloaded from python.org. In all cases Xcode must be
 installed with 'UNIX Development Support'.
 
 **Xcode 5.1**: Starting with version 5.1 the version of clang that ships with

doc/python3.rst

@@ -6,7 +6,7 @@ Python 3 FAQ
 What Python 3 versions are supported?
 -------------------------------------
 
-PyMongo supports CPython 3.5+ and PyPy3.5+.
+PyMongo supports CPython 3.6+ and PyPy3.6+.
 
 Are there any PyMongo behavior changes with Python 3?
 -----------------------------------------------------

pymongo/ssl_context.py

@@ -38,7 +38,4 @@
 # making it the obvious version to start using SSLConext.check_hostname.
 # Python 3.6 might have been a good version, but it suffers
 # from https://bugs.python.org/issue32185.
-# We'll use our bundled match_hostname for older Python
-# versions, which also supports IP address matching
-# with Python < 3.5.
 CHECK_HOSTNAME_SAFE = _sys.version_info[:2] >= (3, 7)

setup.py

@@ -5,8 +5,8 @@
 import warnings
 
 
-if sys.version_info[:2] < (3, 5):
-    raise RuntimeError("Python version >= 3.5 required.")
+if sys.version_info[:2] < (3, 6):
+    raise RuntimeError("Python version >= 3.6 required.")
 
 
 # Hack to silence atexit traceback in some Python versions
@@ -327,7 +327,7 @@ def build_extension(self, ext):
     keywords=["mongo", "mongodb", "pymongo", "gridfs", "bson"],
     install_requires=[],
     license="Apache License, Version 2.0",
-    python_requires=">=3.5",
+    python_requires=">=3.6",
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
@@ -337,7 +337,6 @@ def build_extension(self, ext):
         "Operating System :: POSIX",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",

test/test_encryption.py

@@ -504,11 +504,6 @@ def maybe_skip_scenario(self, test):
         desc = test['description'].lower()
         if 'type=symbol' in desc:
             self.skipTest('PyMongo does not support the symbol type')
-        if desc == 'explain a find with deterministic encryption':
-            # PyPy and Python 3.6+ have ordered dict.
-            if sys.version_info[:2] < (3, 6) and 'PyPy' not in sys.version:
-                self.skipTest(
-                    'explain test does not work without ordered dict')
 
     def setup_scenario(self, scenario_def):
         """Override a test's setup."""