Use Python venv (#102)

Author: Denis-Averin

.gitignore

@@ -1,10 +1,11 @@
 *.pyc
-.tox/
 .coverage
-tests/configuration*.json
-!tests/configuration.example.json
-example.png
+.tox/
+/.venv/
 aspose_barcode_cloud.egg-info/
 build/
 dist/
+example.png
 snippets_test/
+tests/configuration*.json
+!tests/configuration.example.json

Makefile

@@ -1,5 +1,11 @@
 SRC=./aspose_barcode_cloud
 
+ifneq ($(wildcard .venv),)
+PYTHON = .venv/bin/python
+else
+PYTHON = python
+endif
+
 .PHONY: all
 all: format lint test-tox
 
@@ -10,11 +16,11 @@ check_git:
 
 .PHONY: dist
 dist:
-	python setup.py sdist bdist_wheel --universal
+	$(PYTHON) setup.py sdist bdist_wheel --universal
 
 .PHONY: format
 format:
-	black --line-length=120 -v $(SRC) tests/ scripts/ snippets/ *.py
+	$(PYTHON) -m black --line-length=120 -v $(SRC) tests/ scripts/ snippets/ *.py
 
 .PHONY: format_doc
 format_doc:
@@ -25,48 +31,54 @@ format_doc:
 
 .PHONY: init
 init:
-	python -m pip install --upgrade pip
-	python -m pip install -r requirements.txt -r lint-requirements.txt -r test-requirements.txt
+	$(PYTHON) -m pip install --upgrade pip
+	$(PYTHON) -m pip install -r requirements.txt -r lint-requirements.txt -r test-requirements.txt
+
+.PHONY: venv
+venv:
+	python -m venv .venv
+	.venv/bin/python -m pip install --upgrade pip
+	.venv/bin/python -m pip install -r requirements.txt -r lint-requirements.txt -r test-requirements.txt
 
 .PHONY: init-docker
 init-docker:
-	python -m pip install -r publish-requirements.txt -r requirements.txt
+	$(PYTHON) -m pip install -r publish-requirements.txt -r requirements.txt
 
 .PHONY: lint
 lint:
 	# stop the build if there are Python syntax errors or undefined names
-	python -m flake8 aspose_barcode_cloud --count --select=E9,F63,F7,F82 --show-source --statistics --extend-exclude '.*'
+	$(PYTHON) -m flake8 aspose_barcode_cloud --count --select=E9,F63,F7,F82 --show-source --statistics --extend-exclude '.*'
 	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-	python -m flake8 aspose_barcode_cloud --count --exit-zero --max-line-length=127 --statistics --extend-ignore=E501 --extend-exclude '.*'
+	$(PYTHON) -m flake8 aspose_barcode_cloud --count --exit-zero --max-line-length=127 --statistics --extend-ignore=E501 --extend-exclude '.*'
 
 .PHONY: publish
 publish: check_git test-tox dist
-	python -m twine upload dist/*
+	$(PYTHON) -m twine upload dist/*
 
 .PHONY: publish-docker
 publish-docker: init-docker unittest dist
-	python -m twine upload dist/* --verbose
+	$(PYTHON) -m twine upload dist/* --verbose
 
 .PHONY: test
 test:
-	python -m pytest --cov=aspose_barcode_cloud tests/
+	$(PYTHON) -m pytest --cov=aspose_barcode_cloud tests/
 	./scripts/run_snippets.sh
 
 .PHONY: cover
 cover:
-	python -Werror -m pytest --cov-report html:coverage --cov=aspose_barcode_cloud tests/
+	$(PYTHON) -Werror -m pytest --cov-report html:coverage --cov=aspose_barcode_cloud tests/
 
 .PHONY: unittest
 unittest:
-	python -Werror -m unittest discover -v
+	$(PYTHON) -Werror -m unittest discover -v
 
 .PHONY: test-example
 test-example:
-	python -Werror example.py
+	$(PYTHON) -Werror example.py
 
 .PHONY: test-tox
 test-tox:
-	python -m tox $(SRC)
+	$(PYTHON) -m tox $(SRC)
 
 .PHONY: insert-examples
 insert-examples: