Fix schemas generation on RTD (backport #5789)

.readthedocs.yml

@@ -19,16 +19,22 @@ build:
   tools:
     python: "3.10"
   apt_packages:
+    - graphviz
     - libkrb5-dev
+    - python3-pydot
     - python3-rpm
     - python3-librepo
   jobs:
     post_install:
-      - pip install rpm
+      - pip install sqlalchemy-schemadisplay rpm
       - dpkg -L python3-librepo
       - ln -s /usr/lib/python3/dist-packages/librepo $READTHEDOCS_VIRTUALENV_PATH/lib/python3.10/site-packages/librepo
       - cp devel/development.ini.example bodhi-server/development.ini
       - python -c "import bodhi.server.models"
+    pre_build:
+      - mkdir -p docs/generated
+      - python docs/generate_db_schema
+      - python docs/generate_json_schema
   # commands:
   #   - ./devel/ci/bodhi-ci docs -r pip
   #   - mv test_results/pip-docs/html/ $READTHEDOCS_OUTPUT/

docs/generate_db_schema

@@ -2,6 +2,8 @@
 """
 Generate an image of the database schema
 """
+import os
+
 from packaging import version
 from sqlalchemy import create_engine
 from sqlalchemy_schemadisplay import create_schema_graph
@@ -13,6 +15,9 @@ except ImportError:
 from bodhi.server import models
 
 
+DOCS_DIR = os.path.dirname(__file__)
+
+
 def write_graph(filename):
     if version.parse(sqlschemaver) >= version.parse('2.0'):
         graph = create_schema_graph(
@@ -35,4 +40,4 @@ def write_graph(filename):
 
 
 if __name__ == '__main__':
-    write_graph('generated/database.png')
+    write_graph(f'{DOCS_DIR}/generated/database.png')

news/PR5789.bug

@@ -0,0 +1 @@
+Bodhi documentation on RTD was missing some content generated by external scripts