docs: FIX mock on python-2. for RTD

- Print package-versions.
- FIX Changes sub-titles.

CHANGES.rst

@@ -59,7 +59,7 @@ Changelog
 =========
 
 v0.0.9-alpha.3 (1-Dec-2014) 
-~~~~~~~~~~~~~~~~~~~~~~~~~~~
+---------------------------
 This is practically the 1st public releases, reworked in many parts, much better documented,
 continuously tested and build using TravisCI, with on-the-fly generated diagrams as metrics,
 BUT the arithmetic results produced are still identical to v0.0.7, so that the test-cases and 
@@ -89,7 +89,7 @@ Noteworthy or *incompatilble* changes
 
 
 v0.0.9-alpha.1 (1-Oct-2014)
-~~~~~~~~~~~~~~~~~~~~~~~~~~~
+---------------------------
 * Backported also to Python-2.7.
 * model, core: Discriminate between :term:`Test mass` from :term:`Unladen mass` 
   (optionally auto-calced by ``driver_mass`` = 75(kg)).

docs/conf.py

@@ -16,7 +16,40 @@
 import re
 import sys, os, io
 
-
+print("python exec: %s"% sys.executable)
+print("sys.path: %s"%sys.path)
+try:
+    import numpy
+    print("numpy: %s, %s" % (numpy.__version__, numpy.__file__))
+except ImportError:
+    print("no numpy")
+try:
+    import scipy
+    print("scipy: %s, %s" % (scipy.__version__, scipy.__file__))
+except ImportError:
+    print("no scipy")
+try:
+    import pandas
+    print("pandas: %s, %s" % (pandas.__version__, pandas.__file__))
+except ImportError:
+    print("no pandas")
+try:
+    import matplotlib
+    print("matplotlib: %s, %s" % (matplotlib.__version__, matplotlib.__file__))
+except ImportError:
+    print("no matplotlib")
+try:
+    import IPython
+    print("ipython: %s, %s" % (IPython.__version__, IPython.__file__))
+except ImportError:
+    print("no ipython")
+try:
+    import mock
+    print("mock: %s, %s" % (mock.__version__, mock.__file__))
+except ImportError:
+    print("no mock")
+
+
 projname = 'wltp'
 mydir = os.path.dirname(__file__)
 
@@ -44,7 +77,10 @@ def read_project_version():
 #     Also tried but fails: http://blog.rtwilson.com/how-to-make-your-sphinx-documentation-compile-with-readthedocs-when-youre-using-numpy-and-scipy/
 #
 if on_rtd:
-    from unittest.mock import MagicMock
+    try:
+        from unittest.mock import MagicMock
+    except ImportError:
+        from mock import Mock as MagicMock
 
     class Mock(MagicMock):
         @classmethod

requirements/readthedocs.txt

@@ -3,4 +3,5 @@ six
 jsonschema >= 2.4
 numpy
 pandas
+mock
 matplotlib