Ban cffi version that makes CI sad (#6418)

* Update installation for testing against bookworm

* Try bumping macOS timeout

* Try pinning cffi

* Ban 1.15.0

.zuul.playbooks/playbooks/wheel/roles/build-wheel-manylinux/files/build-wheels.sh

@@ -13,7 +13,7 @@ for P in ${PYTHONS}; do
 
     "${PYBIN}"/python -m venv .venv
 
-    .venv/bin/pip install -U pip wheel cffi setuptools-rust
+    .venv/bin/pip install -U pip wheel "cffi!=1.15.0" setuptools-rust
 
     REGEX="cp3([0-9])*"
     if [[ "${PYBIN}" =~ $REGEX ]]; then

docs/installation.rst

@@ -22,8 +22,8 @@ operating systems.
 * x86-64 Ubuntu 18.04, 20.04
 * AArch64 Ubuntu 20.04
 * x86-64 Ubuntu rolling
-* x86-64 Debian Stretch (9.x), Buster (10.x), Bullseye (11.x), and Sid
-  (unstable)
+* x86-64 Debian Stretch (9.x), Buster (10.x), Bullseye (11.x), Bookworm (12.x)
+  and Sid (unstable)
 * x86-64 Alpine (latest)
 * 32-bit and 64-bit Python on 64-bit Windows Server 2019
 

pyproject.toml

@@ -5,7 +5,7 @@ requires = [
     "setuptools>=40.6.0",
     "wheel",
     # Must be kept in sync with the `setup_requirements` in `setup.cfg`
-    "cffi>=1.12; platform_python_implementation != 'PyPy'",
+    "cffi>=1.12,!=1.15.0; platform_python_implementation != 'PyPy'",
     "setuptools-rust>=0.11.4",
 ]
 build-backend = "setuptools.build_meta"

setup.cfg

@@ -47,9 +47,9 @@ ext_package = cryptography.hazmat.bindings
 # `install_requires` and `setup_requires` must be kept in sync with
 # `pyproject.toml`
 install_requires =
-    cffi >=1.12
+    cffi>=1.12,!=1.15.0
 setup_requires =
-    cffi >=1.12
+    cffi>=1.12,!=1.15.0
     setuptools_rust >= 0.11.4
 
 [options.packages.find]