Fix description in setup and bump version tags

The setup script currently fails when DESCRIPTION.rst isn't present,
which happens when pip installing. Oops. This makes the behaviour
consistent with more standard approaches (specifically the approach used
by dephell when automatically creating setup.py from pyproject.toml).

docs/conf.py

@@ -72,7 +72,7 @@
 # The short X.Y version.
 version = '3.2'
 # The full version, including alpha/beta/rc tags.
-release = '3.2.0'
+release = '3.2.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -152,7 +152,7 @@
 
 # The name for this set of Sphinx documents.
 # "<project> v<release> documentation" by default.
-#html_title = 'M-LOOP v3.2.0'
+#html_title = 'M-LOOP v3.2.1'
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
 #html_short_title = None

mloop/__init__.py

@@ -12,5 +12,5 @@
 
 import os
 
-__version__= "3.2.0"
+__version__= "3.2.1"
 __all__ = ['controllers','interfaces','launchers','learners','nnlearner','testing','utilities','visualizations','cmd']

setup.py

@@ -10,9 +10,12 @@
 from os import path
 
 def main():
-    this_directory = path.abspath(path.dirname(__file__))
-    with open(path.join(this_directory, 'DESCRIPTION.rst'), encoding='utf-8') as f:
-        long_description = f.read()
+    long_description = ''
+    here = path.abspath(path.dirname(__file__))
+    description_path = path.join(here, 'DESCRIPTION.rst')
+    if path.exists(description_path):
+        with open(description_path, 'rb') as stream:
+            long_description = stream.read().decode('utf8')
 
     setup(
         name = 'M-LOOP',
@@ -46,7 +49,7 @@ def main():
         license = 'MIT',
         keywords = 'automated machine learning optimization optimisation science experiment quantum',
         url = 'https://github.com/michaelhush/M-LOOP/', 
-        download_url = 'https://github.com/michaelhush/M-LOOP/tarball/3.2.0',
+        download_url = 'https://github.com/michaelhush/M-LOOP/tarball/3.2.1',
 
         classifiers = ['Development Status :: 2 - Pre-Alpha',
                       'Intended Audience :: Science/Research',