build: make cerberus dependency optional

.github/workflows/setup.sh

@@ -10,7 +10,7 @@ echo -e '[arcanisrepo]\nServer = https://repo.arcanis.me/$arch\nSigLevel = Never
 # refresh the image
 pacman -Syu --noconfirm
 # main dependencies
-pacman -Sy --noconfirm devtools git pyalpm python-cerberus python-inflection python-passlib python-pyelftools python-requests python-srcinfo python-systemd sudo
+pacman -Sy --noconfirm devtools git pyalpm python-inflection python-passlib python-pyelftools python-requests python-srcinfo python-systemd sudo
 # make dependencies
 pacman -Sy --noconfirm --asdeps base-devel python-build python-flit python-installer python-tox python-wheel
 # optional dependencies
@@ -20,7 +20,7 @@ if [[ -z $MINIMAL_INSTALL ]]; then
     # web server
     pacman -Sy --noconfirm python-aioauth-client python-aiohttp python-aiohttp-apispec-git python-aiohttp-cors python-aiohttp-jinja2 python-aiohttp-security python-aiohttp-session python-cryptography python-jinja
     # additional features
-    pacman -Sy --noconfirm gnupg python-boto3 python-matplotlib rsync
+    pacman -Sy --noconfirm gnupg python-boto3 python-cerberus python-matplotlib rsync
 fi
 # FIXME since 1.0.4 devtools requires dbus to be run, which doesn't work now in container
 cp "docker/systemd-nspawn.sh" "/usr/local/bin/systemd-nspawn"
@@ -42,12 +42,12 @@ pacman -Qdtq | pacman -Rscn --noconfirm -
 # initial setup command as root
 [[ -z $MINIMAL_INSTALL ]] && WEB_ARGS=("--web-port" "8080")
 ahriman -a x86_64 -r "github" service-setup --packager "ahriman bot <ahriman@example.com>" "${WEB_ARGS[@]}"
-# validate configuration
-ahriman service-config-validate --exit-code
 # enable services
 systemctl enable ahriman-web
 systemctl enable ahriman@x86_64-github.timer
 if [[ -z $MINIMAL_INSTALL ]]; then
+    # validate configuration
+    ahriman service-config-validate --exit-code
     # run web service (detached)
     sudo -u ahriman -- ahriman web &
     WEB_PID=$!

.readthedocs.yml

@@ -12,6 +12,7 @@ python:
       extra_requirements:
         - docs
         - s3
+        - validator
         - web
 
 formats:

Dockerfile

@@ -32,11 +32,46 @@ RUN useradd -m -d "/home/build" -s "/usr/bin/nologin" build && \
 COPY "docker/install-aur-package.sh" "/usr/local/bin/install-aur-package"
 ## install package dependencies
 ## darcs is not installed by reasons, because it requires a lot haskell packages which dramatically increase image size
-RUN pacman -Sy --noconfirm --asdeps devtools git pyalpm python-cerberus python-inflection python-passlib python-pyelftools python-requests python-srcinfo && \
-    pacman -Sy --noconfirm --asdeps base-devel python-build python-flit python-installer python-wheel && \
-    pacman -Sy --noconfirm --asdeps breezy git mercurial python-aiohttp python-boto3 python-cryptography python-jinja python-matplotlib python-systemd rsync subversion && \
-    runuser -u build -- install-aur-package python-aioauth-client python-webargs python-aiohttp-apispec-git python-aiohttp-cors \
-                                            python-aiohttp-jinja2 python-aiohttp-session python-aiohttp-security python-requests-unixsocket2
+RUN pacman -Sy --noconfirm --asdeps \
+        devtools \
+        git \
+        pyalpm \
+        python-inflection \
+        python-passlib \
+        python-pyelftools \
+        python-requests \
+        python-srcinfo \
+        && \
+    pacman -Sy --noconfirm --asdeps \
+        base-devel \
+        python-build \
+        python-flit \
+        python-installer \
+        python-wheel \
+        && \
+    pacman -Sy --noconfirm --asdeps \
+        breezy \
+        git \
+        mercurial \
+        python-aiohttp \
+        python-boto3 \
+        python-cerberus \
+        python-cryptography \
+        python-jinja \
+        python-matplotlib \
+        python-systemd \
+        rsync \
+        subversion \
+        && \
+    runuser -u build -- install-aur-package \
+        python-aioauth-client \
+        python-webargs \
+        python-aiohttp-apispec-git \
+        python-aiohttp-cors \
+        python-aiohttp-jinja2 \
+        python-aiohttp-session \
+        python-aiohttp-security \
+        python-requests-unixsocket2
 
 ## FIXME since 1.0.4 devtools requires dbus to be run, which doesn't work now in container
 COPY "docker/systemd-nspawn.sh" "/usr/local/bin/systemd-nspawn"

package/archlinux/PKGBUILD

@@ -7,7 +7,7 @@ pkgdesc="ArcH linux ReposItory MANager"
 arch=('any')
 url="https://github.com/arcan1s/ahriman"
 license=('GPL3')
-depends=('devtools>=1:1.0.0' 'git' 'pyalpm' 'python-cerberus' 'python-inflection' 'python-passlib' 'python-pyelftools' 'python-requests' 'python-srcinfo')
+depends=('devtools>=1:1.0.0' 'git' 'pyalpm' 'python-inflection' 'python-passlib' 'python-pyelftools' 'python-requests' 'python-srcinfo')
 makedepends=('python-build' 'python-flit' 'python-installer' 'python-wheel')
 optdepends=('breezy: -bzr packages support'
             'darcs: -darcs packages support'
@@ -20,6 +20,7 @@ optdepends=('breezy: -bzr packages support'
             'python-aiohttp-security: web server with authorization'
             'python-aiohttp-session: web server with authorization'
             'python-boto3: sync to s3'
+            'python-cerberus: configuration validator'
             'python-cryptography: web server with authorization'
             'python-matplotlib: usage statistics chart'
             'python-requests-unixsocket2: client report to web server by unix socket'

pyproject.toml

@@ -17,7 +17,6 @@ authors = [
 ]
 
 dependencies = [
-    "cerberus",
     "inflection",
     "passlib",
     "pyelftools",
@@ -74,6 +73,9 @@ tests = [
     "pytest-resource-path",
     "pytest-spec",
 ]
+validator = [
+    "cerberus",
+]
 web = [
     "Jinja2",
     "aioauth-client",

src/ahriman/application/handlers/validate.py

@@ -25,7 +25,6 @@ from typing import Any
 from ahriman.application.handlers.handler import Handler
 from ahriman.core.configuration import Configuration
 from ahriman.core.configuration.schema import CONFIGURATION_SCHEMA, ConfigurationSchema
-from ahriman.core.configuration.validator import Validator
 from ahriman.core.exceptions import ExtensionError
 from ahriman.core.formatters import ValidationPrinter
 from ahriman.core.triggers import TriggerLoader
@@ -51,6 +50,8 @@ class Validate(Handler):
             configuration(Configuration): configuration instance
             report(bool): force enable or disable reporting
         """
+        from ahriman.core.configuration.validator import Validator
+
         schema = Validate.schema(repository_id, configuration)
         validator = Validator(configuration=configuration, schema=schema)
 

tox.ini

@@ -3,7 +3,7 @@ envlist = check, tests
 isolated_build = True
 labels =
 	release = version, docs, publish
-dependencies = -e .[journald,pacman,s3,stats,web]
+dependencies = -e .[journald,pacman,s3,stats,validator,web]
 project_name = ahriman
 
 [mypy]