Moved to folder structure for requirements files

MANIFEST.in

@@ -5,6 +5,7 @@ include LICENSE
 include README.rst
 
 recursive-include tests *
+recursive-include requirements *
 recursive-exclude * __pycache__
 recursive-exclude * *.py[co]
 

requirements/dev.txt

@@ -0,0 +1,12 @@
+-r prod.txt
+
+pip==9.0.1
+bumpversion==0.5.3
+wheel==0.29.0
+watchdog==0.8.3
+flake8==3.4.1
+tox==2.8.0
+coverage==4.4.1
+Sphinx==1.6.3
+cryptography==2.0.3
+PyYAML==3.12

requirements/prod.txt

@@ -0,0 +1,2 @@
+colorthief==0.2.1
+Pillow==4.2.1

requirements/test.txt

@@ -0,0 +1 @@
+-r prod.txt

setup.py

@@ -3,6 +3,10 @@
 
 """The setup script."""
 
+import pip
+
+from pip.req import parse_requirements
+
 from setuptools import setup, find_packages
 
 with open('README.rst') as readme_file:
@@ -11,24 +15,18 @@ with open('README.rst') as readme_file:
 with open('HISTORY.rst') as history_file:
     history = history_file.read()
 
-requirements = [
-    'appdirs',
-    'colorthief',
-    'coverage',
-    'olefile',
-    'packaging',
-    'Pillow',
-    'pyparsing',
-    'six',
-]
+parsed_requirements = parse_requirements(
+    'requirements/prod.txt',
+    session=pip.download.PipSession()
+)
 
-setup_requirements = [
-    # TODO(pythad): put setup requirements (distutils extensions, etc.) here
-]
+parsed_test_requirements = parse_requirements(
+    'requirements/test.txt',
+    session=pip.download.PipSession()
+)
 
-test_requirements = [
-    # TODO: put package test requirements here
-]
+requirements = [str(ir.req) for ir in parsed_requirements]
+test_requirements = [str(tr.req) for tr in parsed_test_requirements]
 
 setup(
     name='nider',
@@ -55,5 +53,4 @@ setup(
     ],
     test_suite='tests',
     tests_require=test_requirements,
-    setup_requires=setup_requirements,
 )