Drop Python 3.7, add PyPy 3.10 and CPython 3.12 (#609)

* Drop Python 3.7, add PyPy 3.10 and CPython 3.12

* Add news entry

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python: ['3.8', '3.9', '3.10', '3.11', '3.12-dev']
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -39,7 +39,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['3.7', '3.8', '3.9', '3.10', '3.11', 'pypy3.9']
+        python: ['3.8', '3.9', '3.10', '3.11', '3.12-dev', 'pypy3.9', 'pypy-3.10']
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -63,7 +63,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python: ['3.8', '3.9', '3.10', '3.11', '3.12-dev']
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/lint.yml

@@ -17,6 +17,6 @@ jobs:
       - name: Setup python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: '3.x'
       - name: Run lint
         run: ./lint.sh

README.rst

@@ -33,7 +33,7 @@ Vital statistics
 
 **Bug tracker and source code:** https://github.com/python-trio/trustme
 
-**Tested on:** Python 3.7+, CPython and PyPy
+**Tested on:** Python 3.8+, CPython and PyPy
 
 **License:** MIT or Apache 2, your choice.
 
@@ -73,14 +73,14 @@ Programmatic usage:
    # trustme is happy either way.
 
    # ----- or -----
-                
+
    # Save the PEM-encoded data to a file to use in non-Python test
    # suites:
    ca.cert_pem.write_to_path("ca.pem")
    server_cert.private_key_and_cert_chain_pem.write_to_path("server.pem")
-   
+
    # ----- or -----
-                
+
    # Put the PEM-encoded data in a temporary file, for libraries that
    # insist on that:
    with ca.cert_pem.tempfile() as ca_temp_path:

docs-requirements.txt

@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with python 3.7
-# To update, run:
+# This file is autogenerated by pip-compile with Python 3.11
+# by the following command:
 #
-#    pip-compile docs-requirements.in
+#    pip-compile --resolver=backtracking docs-requirements.in
 #
 alabaster==0.7.13
     # via sphinx

docs/source/index.rst

@@ -11,7 +11,7 @@ works. It demonstrates a simple TLS server and client that connect to
 each other using :mod:`trustme`\-generated certs.
 
 This example requires `Trio <https://trio.readthedocs.io>`__ (``pip
-install -U trio``) and Python 3.7+. Note that while :mod:`trustme` is
+install -U trio``) and Python 3.8+. Note that while :mod:`trustme` is
 maintained by the Trio project, :mod:`trustme` is happy to work with
 any networking library.
 

newsfragments/609.feature.rst

@@ -0,0 +1 @@
+Add support for PyPy 3.10 and Python 3.12.

newsfragments/609.removal.rst

@@ -0,0 +1 @@
+Remove support for Python 3.7.

setup.py

@@ -18,7 +18,7 @@
     },
     package_dir={'': 'src'},
     url="https://github.com/python-trio/trustme",
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     install_requires=[
         "cryptography>=3.1",
         "idna>=2.0",
@@ -32,11 +32,11 @@
         "Programming Language :: Python :: Implementation :: PyPy",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Topic :: System :: Networking",
         "Topic :: Security :: Cryptography",
         "Topic :: Software Development :: Testing",

test-requirements.txt

@@ -1,8 +1,8 @@
 #
-# This file is autogenerated by pip-compile with Python 3.8
+# This file is autogenerated by pip-compile with Python 3.11
 # by the following command:
 #
-#    pip-compile test-requirements.in
+#    pip-compile --resolver=backtracking test-requirements.in
 #
 attrs==23.1.0
     # via service-identity