Sam Clarke-Green (t00sa) · Oct 8, 2026 · Oct 2, 2026 · Oct 2, 2026 · Oct 2, 2026 · Oct 2, 2026
@@ -73,7 +73,7 @@ jobs:
           pip install .[dev,docs]
 
       - name: Type check with mypy
-        run: python -m mypy source tests run_configs
+        run: python -m mypy source/fab tests/fab/unit_tests tests/fab/system_tests
 
       - name: Code style check with ruff
         if: always()
@@ -82,11 +82,11 @@ jobs:
 
       - name: Unit tests with Pytest
         if: always()
-        run: python -m pytest --cov=fab tests/unit_tests
+        run: python -m pytest --cov=fab tests/fab/unit_tests
 
       - name: System tests with Pytest
         if: always()
-        run: python -m pytest --cov=fab tests/system_tests
+        run: python -m pytest --cov=fab tests/fab/system_tests
 
       # Sphinx linkcheck can potentially detect false negatives due to network
       # issues or slow responses. To avoid failing the build due to these

@@ -42,8 +42,8 @@ jobs:
       - name: Install documentation tools
         run: uv sync --extra docs
 
-      - name: Build HTML documentation
-        working-directory: Documentation
+      - name: Build HTML documentation (Fab)
+        working-directory: Documentation/fab
         run: uv run make clean html
 
       - name: Install LaTeX packages for PDF generation
@@ -58,17 +58,17 @@ jobs:
             texlive-latex-extra \
             latexmk
 
-      - name: Generate PDF documentation
+      - name: Generate PDF documentation (Fab)
         if: github.event_name != 'pull_request'
-        working-directory: Documentation
+        working-directory: Documentation/fab
         run: |
           uv run make latexpdf
           cp -r build/latex build/html/
 
-      - name: Prepare and upload asset
+      - name: Prepare and upload asset (Fab)
         uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
         with:
-          path: Documentation/build/html
+          path: Documentation/fab/build/html
 
   deploy-documentation:
     name: Deploy

diff --git a/.gitignore b/.gitignore
@@ -5,8 +5,8 @@ __pycache__/
 
 # Build directory for documentation
 Documentation/build
-Documentation/source/api
-Documentation/source/apidoc
+Documentation/fab/source/api
+Documentation/fab/source/apidoc
 
 # C extensions
 *.so

diff --git a/Documentation/Design/GraphClass.puml b/Documentation/Design/GraphClass.puml
diff --git a/Documentation/Design/GraphObject.puml b/Documentation/Design/GraphObject.puml
diff --git a/Documentation/Makefile → Documentation/fab/Makefile b/Documentation/Makefile → Documentation/fab/Makefile
diff --git a/Documentation/make.bat → Documentation/fab/make.bat b/Documentation/make.bat → Documentation/fab/make.bat
diff --git a/...ce/_static/analysis_results_hierarchy.svg → ...ce/_static/analysis_results_hierarchy.svg b/...ce/_static/analysis_results_hierarchy.svg → ...ce/_static/analysis_results_hierarchy.svg
diff --git a/Documentation/source/_static/busby.png → Documentation/fab/source/_static/busby.png b/Documentation/source/_static/busby.png → Documentation/fab/source/_static/busby.png
diff --git a/Documentation/source/_static/hist.png → Documentation/fab/source/_static/hist.png b/Documentation/source/_static/hist.png → Documentation/fab/source/_static/hist.png
diff --git a/Documentation/source/_static/pie.png → Documentation/fab/source/_static/pie.png b/Documentation/source/_static/pie.png → Documentation/fab/source/_static/pie.png
diff --git a/...on/source/_static/steps_and_artefacts.svg → ...ab/source/_static/steps_and_artefacts.svg b/...on/source/_static/steps_and_artefacts.svg → ...ab/source/_static/steps_and_artefacts.svg
diff --git a/...on/source/_templates/crown-copyright.html → ...ab/source/_templates/crown-copyright.html b/...on/source/_templates/crown-copyright.html → ...ab/source/_templates/crown-copyright.html
diff --git a/Documentation/source/advanced_config.rst → Documentation/fab/source/advanced_config.rst b/Documentation/source/advanced_config.rst → Documentation/fab/source/advanced_config.rst
diff --git a/Documentation/source/api.rst → Documentation/fab/source/api.rst b/Documentation/source/api.rst → Documentation/fab/source/api.rst
diff --git a/Documentation/source/conf.py → Documentation/fab/source/conf.py b/Documentation/source/conf.py → Documentation/fab/source/conf.py
@@ -15,7 +15,7 @@
 
 from fab import __version__ as fab_version
 
-sys.path.insert(0, os.path.abspath('../../source'))
+sys.path.insert(0, os.path.abspath('../../../source'))
 
 
 # -- Project information -----------------------------------------------------

diff --git a/Documentation/source/config_intro.rst → Documentation/fab/source/config_intro.rst b/Documentation/source/config_intro.rst → Documentation/fab/source/config_intro.rst
diff --git a/Documentation/source/development.rst → Documentation/fab/source/development.rst b/Documentation/source/development.rst → Documentation/fab/source/development.rst
diff --git a/Documentation/source/environment.rst → Documentation/fab/source/environment.rst b/Documentation/source/environment.rst → Documentation/fab/source/environment.rst
diff --git a/Documentation/source/fab_base/config.rst → Documentation/fab/source/fab_base/config.rst b/Documentation/source/fab_base/config.rst → Documentation/fab/source/fab_base/config.rst
diff --git a/Documentation/source/fab_base/examples.rst → ...entation/fab/source/fab_base/examples.rst b/Documentation/source/fab_base/examples.rst → ...entation/fab/source/fab_base/examples.rst
diff --git a/Documentation/source/fab_base/index.rst → Documentation/fab/source/fab_base/index.rst b/Documentation/source/fab_base/index.rst → Documentation/fab/source/fab_base/index.rst
diff --git a/Documentation/source/fab_base/processing.rst → ...tation/fab/source/fab_base/processing.rst b/Documentation/source/fab_base/processing.rst → ...tation/fab/source/fab_base/processing.rst
diff --git a/...tation/source/fab_base/usage_patterns.rst → ...on/fab/source/fab_base/usage_patterns.rst b/...tation/source/fab_base/usage_patterns.rst → ...on/fab/source/fab_base/usage_patterns.rst
diff --git a/Documentation/source/features.rst → Documentation/fab/source/features.rst b/Documentation/source/features.rst → Documentation/fab/source/features.rst
diff --git a/Documentation/source/genindex.rst → Documentation/fab/source/genindex.rst b/Documentation/source/genindex.rst → Documentation/fab/source/genindex.rst
diff --git a/Documentation/source/glossary.rst → Documentation/fab/source/glossary.rst b/Documentation/source/glossary.rst → Documentation/fab/source/glossary.rst
diff --git a/Documentation/source/index.rst → Documentation/fab/source/index.rst b/Documentation/source/index.rst → Documentation/fab/source/index.rst
diff --git a/Documentation/source/install.rst → Documentation/fab/source/install.rst b/Documentation/source/install.rst → Documentation/fab/source/install.rst
diff --git a/Documentation/source/metoffice.rst → Documentation/fab/source/metoffice.rst b/Documentation/source/metoffice.rst → Documentation/fab/source/metoffice.rst
diff --git a/Documentation/source/py-modindex.rst → Documentation/fab/source/py-modindex.rst b/Documentation/source/py-modindex.rst → Documentation/fab/source/py-modindex.rst
diff --git a/...mentation/source/site-specific-config.rst → ...ation/fab/source/site-specific-config.rst b/...mentation/source/site-specific-config.rst → ...ation/fab/source/site-specific-config.rst
diff --git a/Documentation/source/writing_config.rst → Documentation/fab/source/writing_config.rst b/Documentation/source/writing_config.rst → Documentation/fab/source/writing_config.rst