switch actions to pip-based install

.github/actions/build-nominatim/action.yml

@@ -1,18 +1,10 @@
 name: 'Build Nominatim'
 
 inputs:
-    flavour:
-        description: 'Version of Ubuntu to install on'
+    dependencies:
+        description: 'Where to install dependencies from (pip/apt)'
         required: false
-        default: 'ubuntu-20'
-    cmake-args:
-        description: 'Additional options to hand to cmake'
-        required: false
-        default: ''
-    lua:
-        description: 'Version of Lua to use'
-        required: false
-        default: '5.3'
+        default: 'pip'
 
 runs:
     using: "composite"
@@ -23,30 +15,30 @@ runs:
             sudo rm -rf /opt/hostedtoolcache/go /opt/hostedtoolcache/CodeQL /usr/lib/jvm /usr/local/share/chromium /usr/local/lib/android
             df -h
           shell: bash
-        - name: Install${{ matrix.flavour }} prerequisites
+        - name: Install general prerequisites
           run: |
-            sudo apt-get install -y -qq libboost-system-dev libboost-filesystem-dev libexpat1-dev zlib1g-dev libbz2-dev libpq-dev libproj-dev libicu-dev liblua${LUA_VERSION}-dev lua${LUA_VERSION} lua-dkjson nlohmann-json3-dev libspatialite-dev libsqlite3-mod-spatialite
-            if [ "$FLAVOUR" == "oldstuff" ]; then
-                pip3 install MarkupSafe==2.0.1 python-dotenv jinja2==2.8 psutil==5.4.2 pyicu==2.9 osmium PyYAML==5.1 sqlalchemy==1.4.31 psycopg==3.1.7 datrie asyncpg aiosqlite
-            else
-                sudo apt-get install -y -qq python3-icu python3-datrie python3-pyosmium python3-jinja2 python3-psutil python3-dotenv python3-yaml
-                pip3 install sqlalchemy psycopg aiosqlite
-            fi
+            sudo apt-get install -y -qq libspatialite-dev libsqlite3-mod-spatialite libicu-dev virtualenv python3-dev osm2pgsql
           shell: bash
-          env:
-            FLAVOUR: ${{ inputs.flavour }}
-            CMAKE_ARGS: ${{ inputs.cmake-args }}
-            LUA_VERSION: ${{ inputs.lua }}
 
-        - name: Configure
-          run: mkdir build && cd build && cmake $CMAKE_ARGS ../Nominatim
-          shell: bash
-          env:
-            CMAKE_ARGS: ${{ inputs.cmake-args }}
-
-        - name: Build
+        - name: Install prerequisites from apt
           run: |
-              make -j2 all
-              sudo make install
+            sudo apt-get install -y -qq python3-icu python3-datrie python3-jinja2 python3-psutil python3-dotenv python3-yaml python3-sqlalchemy python3-psycopg python3-asyncpg
+          shell: bash
+          if: inputs.dependencies == 'apt'
+
+        - name: Setup virtual environment (for pip)
+          run: |
+            virtualenv venv
+            ./venv/bin/pip install -U pip
+          shell: bash
+          if: inputs.dependencies == 'pip'
+
+        - name: Setup virtual environment (for apt)
+          run: |
+            virtualenv venv --system-site-packages
+          shell: bash
+          if: inputs.dependencies == 'apt'
+
+        - name: Build nominatim
+          run: ./venv/bin/pip install Nominatim/packaging/nominatim-{api,db}
           shell: bash
-          working-directory: build

.github/actions/setup-postgresql/action.yml

@@ -4,9 +4,6 @@ inputs:
     postgresql-version:
         description: 'Version of PostgreSQL to install'
         required: true
-    postgis-version:
-        description: 'Version of Postgis to install'
-        required: true
 
 runs:
     using: "composite"
@@ -24,11 +21,10 @@ runs:
 
         - name: Install PostgreSQL
           run: |
-              sudo apt-get install -y -qq --no-install-suggests --no-install-recommends postgresql-client-${PGVER} postgresql-${PGVER}-postgis-${POSTGISVER} postgresql-${PGVER}-postgis-${POSTGISVER}-scripts postgresql-contrib-${PGVER} postgresql-${PGVER}
+              sudo apt-get install -y -qq --no-install-suggests --no-install-recommends postgresql-client-${PGVER} postgresql-${PGVER}-postgis-3 postgresql-${PGVER}-postgis-3-scripts postgresql-contrib-${PGVER} postgresql-${PGVER}
           shell: bash
           env:
               PGVER: ${{ inputs.postgresql-version }}
-              POSTGISVER: ${{ inputs.postgis-version }}
 
         - name: Adapt postgresql configuration
           run: |

.github/workflows/ci-tests.yml

@@ -42,13 +42,13 @@ jobs:
                     - flavour: ubuntu-20
                       ubuntu: 20
                       postgresql: 12
-                      postgis: 3
                       lua: '5.1'
+                      dependencies: pip
                     - flavour: ubuntu-24
                       ubuntu: 24
                       postgresql: 17
-                      postgis: 3
                       lua: '5.3'
+                      dependencies: apt
 
         runs-on: ubuntu-${{ matrix.ubuntu }}.04
 
@@ -60,58 +60,67 @@ jobs:
             - name: Unpack Nominatim
               run: tar xf nominatim-src.tar.bz2
 
-            - uses: actions/setup-python@v5
-              with:
-                python-version: 3.7
-              if: matrix.flavour == 'oldstuff'
-
             - uses: ./Nominatim/.github/actions/setup-postgresql
               with:
                   postgresql-version: ${{ matrix.postgresql }}
-                  postgis-version: ${{ matrix.postgis }}
 
             - uses: ./Nominatim/.github/actions/build-nominatim
               with:
-                  flavour: ${{ matrix.flavour }}
-                  lua: ${{ matrix.lua }}
+                  dependencies: ${{ matrix.dependencies }}
+
+            - name: Compile osm2pgsql
+              run: |
+                  sudo apt-get install -y -qq libboost-system-dev libboost-filesystem-dev libexpat1-dev zlib1g-dev libbz2-dev libpq-dev libproj-dev libicu-dev liblua${LUA_VERSION}-dev lua-dkjson nlohmann-json3-dev 
+                  mkdir osm2pgsql-build
+                  cd osm2pgsql-build
+                  git clone https://github.com/osm2pgsql-dev/osm2pgsql
+                  mkdir build
+                  cd build
+                  cmake ../osm2pgsql
+                  make
+                  sudo make install
+                  cd ../..
+                  rm -rf osm2pgsql-build
+              if: matrix.ubuntu == '20'
+              env:
+                  LUA_VERSION: ${{ matrix.lua }}
 
             - name: Install test prerequisites
-              run: pip3 install behave==1.2.6
+              run: ./venv/bin/pip install behave==1.2.6
 
-            - name: Install test prerequisites
-              run: sudo apt-get install -y -qq python3-pytest python3-pytest-asyncio uvicorn
+            - name: Install test prerequisites (apt)
+              run: sudo apt-get install -y -qq python3-pytest python3-pytest-asyncio uvicorn python3-falcon python3-aiosqlite python3-pyosmium
+              if: matrix.dependencies == 'apt'
 
-            - name: Install newer pytest-asyncio
-              run: pip3 install -U pytest-asyncio
-              if: matrix.flavour == 'ubuntu-20'
-
-            - name: Install Python webservers
-              run: pip3 install falcon starlette asgi_lifespan
+            - name: Install test prerequisites (pip)
+              run: ./venv/bin/pip install pytest-asyncio falcon starlette asgi_lifespan aiosqlite osmium uvicorn
+              if: matrix.dependencies == 'pip'
 
             - name: Install latest flake8
-              run: pip3 install -U flake8
+              run: ./venv/bin/pip install -U flake8
 
             - name: Python linting
-              run: python3 -m flake8 src
+              run: ../venv/bin/python -m flake8 src
               working-directory: Nominatim
 
+            - name: Install mypy and typechecking info
+              run: ./venv/bin/pip install -U mypy types-PyYAML types-jinja2 types-psutil types-requests types-ujson types-Pygments typing-extensions
+              if: matrix.dependencies == 'pip'
+
+            - name: Python static typechecking
+              run: ../venv/bin/python -m mypy --strict --python-version 3.8 src
+              working-directory: Nominatim
+              if: matrix.dependencies == 'pip'
+
             - name: Python unit tests
-              run: python3 -m pytest test/python
+              run: ../venv/bin/python -m pytest test/python
               working-directory: Nominatim
 
             - name: BDD tests
               run: |
-                  export PATH=$GITHUB_WORKSPACE/build/osm2pgsql:$PATH
-                  python3 -m behave -DREMOVE_TEMPLATE=1 --format=progress3
+                  ../../../venv/bin/python -m behave -DREMOVE_TEMPLATE=1 --format=progress3
               working-directory: Nominatim/test/bdd
 
-            - name: Install mypy and typechecking info
-              run: pip3 install -U mypy osmium uvicorn types-PyYAML types-jinja2 types-psycopg2 types-psutil types-requests types-ujson types-Pygments typing-extensions
-
-            - name: Python static typechecking
-              run: python3 -m mypy --strict --python-version 3.8 src
-              working-directory: Nominatim
-
     install:
         runs-on: ubuntu-latest
         needs: create-archive
@@ -186,12 +195,10 @@ jobs:
             - name: Add nominatim to path
               run: |
                 sudo ln -s /home/nominatim/nominatim-venv/bin/nominatim /usr/local/bin/nominatim
-              if: matrix.ubuntu == 24
 
             - name: Need lua binary
               run: |
                 sudo apt-get install -y lua5.4 lua-dkjson
-              if: matrix.ubuntu == 24
 
             - name: Print version
               run: nominatim --version
@@ -221,19 +228,9 @@ jobs:
               run: nominatim admin --warm
               working-directory: /home/nominatim/nominatim-project
 
-            - name: Prepare update (Ubuntu)
-              run: apt-get install -y python3-pip
-              shell: bash
-
-            - name: Install osmium (Ubuntu 22)
-              run: |
-                  pip3 install --user osmium
-              if: matrix.ubuntu == 22
-
-            - name: Install osmium (Ubuntu 24)
+            - name: Install osmium
               run: |
                   /home/nominatim/nominatim-venv/bin/pip install osmium
-              if: matrix.ubuntu == 24
 
             - name: Run update
               run: |
@@ -260,7 +257,7 @@ jobs:
               working-directory: /home/nominatim/nominatim-project
 
     install-no-superuser:
-      runs-on: ubuntu-latest
+      runs-on: ubuntu-24.04
       needs: create-archive
 
       steps:
@@ -274,12 +271,8 @@ jobs:
           - uses: ./Nominatim/.github/actions/setup-postgresql
             with:
                 postgresql-version: 16
-                postgis-version: 3
 
           - uses: ./Nominatim/.github/actions/build-nominatim
-            with:
-                flavour: ubuntu-22
-                lua: 5.3
 
           - name: Prepare import environment
             run: |
@@ -288,7 +281,7 @@ jobs:
 
           - name: Prepare Database
             run: |
-                nominatim import --prepare-database
+                ./venv/bin/nominatim import --prepare-database
 
           - name: Create import user
             run: |
@@ -298,10 +291,10 @@ jobs:
 
           - name: Run import
             run: |
-                NOMINATIM_DATABASE_DSN="pgsql:host=127.0.0.1;dbname=nominatim;user=osm-import;password=osm-import" nominatim import --continue import-from-file --osm-file test.pbf
+                NOMINATIM_DATABASE_DSN="pgsql:host=127.0.0.1;dbname=nominatim;user=osm-import;password=osm-import" ./venv/bin/nominatim import --continue import-from-file --osm-file test.pbf
 
           - name: Check full import
-            run: nominatim admin --check-database
+            run: ./venv/bin/nominatim admin --check-database
 
     migrate:
       runs-on: ubuntu-24.04
@@ -318,7 +311,6 @@ jobs:
           - uses: ./Nominatim/.github/actions/setup-postgresql
             with:
                 postgresql-version: 17
-                postgis-version: 3
 
           - name: Install Python dependencies
             run: |