add requirements.txt file, mock.

readme.md

@@ -64,7 +64,7 @@ If you use latex, you can automatize references, by running `pubs export > refer
 This ensures that your reference file is always up-to-date; you can cite a paper in your manuscript a soon as you add it in pubs. This means that if you have, for instance, a doi on a webpage, you only need to do:
 
     pubs add -D 10.1007/s00422-012-0514-6
- 
+
 and then add `\cite{Loeb_2012}` in your manuscript. After exporting the bibliography, the citation will correctly appear in your compiled pdf.
 
 
@@ -112,18 +112,12 @@ For *zsh* completion, the global activation is not supported but bash completion
 You can access the self-documented configuration by using `pubs conf`, and all the commands' help is available with the `--help` option. Did not find an answer to your question? Drop us an issue. We may not answer right away (science comes first!) but we'll eventually look into it.
 
 
-## Requirements
-
-- python >= 2.7 or >= 3.3
-- [bibtexparser](https://github.com/sciunto-org/python-bibtexparser)
-- [beautifulsoup4](https://www.crummy.com/software/BeautifulSoup)
-- [argcomplete](https://argcomplete.readthedocs.io) (optional, for autocompletion)
-
 ## Authors
 
 - [Fabien Benureau](http://fabien.benureau.com)
 - [Olivier Mangin](http://olivier.mangin.com)
 
+
 ### Contributors
 
 - [Jonathan Grizou](https://github.com/jgrizou)

requirements.txt

@@ -0,0 +1,6 @@
+pyyaml
+bibtexparser>=1.0
+python-dateutil
+requests
+configobj
+beautifulsoup4

setup.py

@@ -26,10 +26,9 @@ setup(
             ],
         },
 
-    install_requires=['pyyaml', 'bibtexparser>=1.0', 'python-dateutil', 'requests',
-                      'configobj',
-                      'beautifulsoup4'],  # to be made optional?
-    tests_require=['pyfakefs>=2.7'],
+    install_requires=['pyyaml', 'bibtexparser>=1.0', 'python-dateutil',
+                      'requests', 'configobj', 'beautifulsoup4'],
+    tests_require=['pyfakefs>=2.7', 'mock'],
     extras_require={'autocompletion': ['argcomplete'],
                     },