New methods of building/installing PyThemis

.github/workflows/test-python.yaml

@@ -43,10 +43,37 @@ jobs:
           sudo make install
           make prepare_tests_all
       - name: Install PyThemis
-        run: sudo make pythemis_install
+        run: sudo make pythemis_old_install
       - name: Run test suite
         run: make test_python
 
+  unit-tests-venv:
+    name: Unit tests (venv install)
+    # TODO: Switch to something more fresh, Ubuntu 22.04 or Debian Bookworm
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Install system dependencies
+        run: |
+          sudo sh -c 'echo "DEBIAN_FRONTEND=noninteractive" >> /etc/environment'
+          sudo apt update
+          sudo apt install --yes gcc make libssl-dev \
+            python3 python3-setuptools python3-pip python3-venv
+      - name: Check out code
+        uses: actions/checkout@v2
+      - name: Prepare Themis Core
+        run: |
+          make
+          sudo make install
+          make prepare_tests_all
+      - name: Create venv
+        run: mkdir /tmp/test_venv && python3 -m venv /tmp/test_venv
+      - name: Install PyThemis into venv
+        run: |
+          make pythemis_make_wheel
+          source /tmp/test_venv/bin/activate && make pythemis_install_wheel
+      - name: Run test suite
+        run: source /tmp/test_venv/bin/activate && make test_python
+
   examples:
     name: Code examples
     runs-on: ubuntu-20.04
@@ -84,7 +111,7 @@ jobs:
           make
           sudo make install
       - name: Install PyThemis
-        run: sudo make pythemis_install
+        run: sudo make pythemis_old_install
 
       - name: Test examples (Secure Cell)
         if: always()

Makefile

@@ -45,6 +45,8 @@ $(BUILD_PATH)/configure.mk:
 # then increment LIBRARY_SO_VERSION as well, and update package names.
 VERSION := $(shell test -d .git && git describe --tags || cat VERSION)
 LIBRARY_SO_VERSION = 0
+# Version in format X.Y.Z, without build number and commit hash
+VERSION_SHORT := $(shell cat VERSION)
 
 #----- Toolchain ---------------------------------------------------------------
 
@@ -598,15 +600,41 @@ ifdef PIP_VERSION
 PIP_THEMIS_INSTALL := $(shell pip freeze |grep themis)
 endif
 
-pythemis_install: CMD = cd src/wrappers/themis/python/ && python3 setup.py install --record files3.txt
-pythemis_install:
+pythemis_old_install: CMD = cd src/wrappers/themis/python/ && python3 setup.py install --record files3.txt
+pythemis_old_install:
 ifeq ($(PYTHON3_VERSION),)
 	@echo "python3 not found"
 	@exit 1
 endif
 	@echo -n "pythemis install "
 	@$(BUILD_CMD_)
 
+# If virtual env is detected, remove its bin path from PATH.
+# This way, setuptools and other wheel building dependencies will be taken from system modules dir,
+# not from venv where they probably don't exist.
+pythemis_make_wheel: CMD = cd src/wrappers/themis/python/ && [ -z "$$VIRTUAL_ENV" ] || PATH="$${PATH/$$VIRTUAL_ENV\/bin:/}" && python3 setup.py bdist_wheel
+pythemis_make_wheel:
+ifeq ($(PYTHON3_VERSION),)
+	@echo "python3 not found"
+	@exit 1
+endif
+	@echo -n "pythemis make wheel "
+	@$(BUILD_CMD_)
+	@echo Result: src/wrappers/themis/python/dist/pythemis-$(VERSION_SHORT)-py2.py3-none-any.whl
+
+pythemis_install_wheel: CMD = pip install src/wrappers/themis/python/dist/pythemis-$(VERSION_SHORT)-py2.py3-none-any.whl
+pythemis_install_wheel:
+ifeq ($(PYTHON3_VERSION),)
+	@echo "python3 not found"
+	@exit 1
+endif
+	@echo -n "pythemis install wheel "
+	@$(BUILD_CMD_)
+
+# pythemis_make_os_pkg: CMD = TODO
+# pythemis_make_os_pkg:
+# 	TODO
+
 ########################################################################
 #
 # Packaging Themis Core: Linux distributions