dev_requirements.txt + explanation

dev_requirements.txt

@@ -0,0 +1,23 @@
+# if you want to setup your environment for development of the pytest code,
+# doing `pip install -r dev_requirements.txt` is the single thing you have to do.
+# Alternatively, and perhaps more conveniently, running `python setup.py test`
+# will do the same *and* run the tests.
+# Note that if you introduce a new dependency, you need to add it here and, more
+# importantly, to the setup.py script so that it is taken into account when
+# installing from PyPi.
+
+-e .
+pyyaml
+bibtexparser>=1.0
+python-dateutil
+requests
+configobj
+beautifulsoup4
+feedparser
+six
+
+# those are the additional packages required to run the tests
+pyfakefs
+ddt
+mock
+pytest # optional (python setup.py test works without it), but possible nonetheless

requirements.txt

@@ -1,15 +0,0 @@
--e .
-pyyaml
-bibtexparser>=1.0
-python-dateutil
-requests
-configobj
-beautifulsoup4
-feedparser
-six
-
-# those are the additional packages required to run the tests
-pyfakefs
-ddt
-mock
-pytest # optional (python setup.py test works without it), but possible nonetheless