Remove Makefile and use tox instead

Makefile

@@ -1,23 +0,0 @@
-
-init:
-	pip install -e .
-	pip install -r requirements.txt
-
-docs:
-	make -C docs html
-
-test:
-	pytest
-
-coverage:
-	pytest --cov sigal --cov-report term --cov-report=html
-
-demo:
-	sigal build -c tests/sample/sigal.conf.py && sigal serve tests/sample/_build
-
-publish:
-	python setup.py register
-	python setup.py sdist bdist_wheel
-	twine upload dist/*
-
-.PHONY: docs

docs/contribute.rst

@@ -7,7 +7,7 @@
 Setting up the development environment
 --------------------------------------
 
- Using a virtualenv_::
+Using a virtualenv_::
 
     git clone https://github.com/saimn/sigal.git
     cd sigal
@@ -18,21 +18,27 @@ Install sigal in development mode::
 
     pip install -e .
 
-Install additional dependencies for development (Sphinx, ...)::
+Install additional dependencies for development (Sphinx, pytest), and optional
+dependencies::
 
     pip install -r requirements.txt
 
 Building the docs
 -----------------
 
-- Run ``make docs`` (or ``make html`` in the ``docs/`` directory).
+- Using tox_, run ``tox -e doc``
+- Or ``make html`` in the ``docs/`` directory.
 
 Running the test suite
 ----------------------
 
-- Run ``make test`` (or ``pytest``).
-- Run ``make coverage`` to get the coverage report.
-- Using tox_ you can also run the tests on multiple versions of python.
+- Using tox_, run ``tox -e py37`` (replacing ``py37`` with your Python version
+  if needed).
 
 .. _tox: https://tox.readthedocs.io/
 .. _virtualenv: https://virtualenv.pypa.io/
+
+Building the test gallery
+-------------------------
+
+- Using tox_, run ``tox -e demo``

tox.ini

@@ -11,8 +11,6 @@ python =
 [testenv]
 deps =
     -r {toxinidir}/requirements.txt
-    pytest
-    pytest-cov
 commands = pytest --cov sigal --cov-report term-missing tests/
 
 [testenv:check]
@@ -35,3 +33,11 @@ deps =
 usedevelop = true
 commands =
     make -C docs html
+
+[testenv:demo]
+usedevelop = true
+deps =
+    feedgenerator
+commands =
+    sigal build -c tests/sample/sigal.conf.py
+    sigal serve tests/sample/_build