Add sphinx-autobuild for convenience.

Makefile

@@ -12,7 +12,7 @@ PAPEROPT_a4     = -D latex_paper_size=a4
 PAPEROPT_letter = -D latex_paper_size=letter
 ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
 
-.PHONY: help clean html dirhtml singlehtml pickle json htmlhelp qthelp devhelp epub latex latexpdf text man changes linkcheck doctest
+.PHONY: help clean html dirhtml singlehtml pickle json htmlhelp qthelp devhelp epub latex latexpdf text man changes linkcheck doctest livehtml
 
 help:
 	@echo "Please use \`make <target>' where <target> is one of"
@@ -128,3 +128,6 @@ doctest:
 	$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
 	@echo "Testing of doctests in the sources finished, look at the " \
 	      "results in $(BUILDDIR)/doctest/output.txt."
+
+livehtml:
+	sphinx-autobuild -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html

README.rst

@@ -23,5 +23,9 @@ If you'd like to build the bootcamp locally:
 
 The resulting docs can be located under the ``_build/html`` directory.
 
+You can also run ``make livehtml`` to launch a webserver on
+http://127.0.0.1:8000 that auto-rebuild the documentation when any files are
+changed.
+
 .. _pip: https://pip.pypa.io/
 .. _virtualenv: https://virtualenv.pypa.io/

requirements.txt

@@ -1,2 +1,3 @@
 Sphinx
 sphinx_rtd_theme
+sphinx-autobuild