split dev_extras into dev_extras+docs_extras

readthedocs.org.requirements.txt

@@ -1,10 +1,10 @@
 # readthedocs.org gives no way to change the install command to "pip
-# install -e .[dev]" (that would in turn install documentation
+# install -e .[docs]" (that would in turn install documentation
 # dependencies), but it allows to specify a requirements.txt file at
 # https://readthedocs.org/dashboard/letsencrypt/advanced/ (c.f. #259)
 
 # Although ReadTheDocs certainly doesn't need to install the project
-# in --editable mode (-e), just "pip install .[dev]" does not work as
+# in --editable mode (-e), just "pip install .[docs]" does not work as
-# expected and "pip install -e .[dev]" must be used instead
+# expected and "pip install -e .[docs]" must be used instead
 
--e .[dev]
+-e .[docs]

setup.cfg

@@ -2,7 +2,7 @@
 zip_ok = false
 
 [aliases]
-dev = develop easy_install letsencrypt[testing,dev]
+dev = develop easy_install letsencrypt[dev,docs,testing]
 
 [nosetests]
 nocapture=1

setup.py

@@ -40,6 +40,9 @@ install_requires = [
 
 dev_extras = [
     'pylint>=1.4.0',  # upstream #248
+]
+
+docs_extras = [
     'repoze.sphinx.autointerface',
     'Sphinx',
 ]
@@ -73,6 +76,7 @@ setup(
     test_suite='letsencrypt',
     extras_require={
         'dev': dev_extras,
+        'docs': docs_extras,
         'testing': testing_extras,
     },
     entry_points={