Turn into an installable package.

.gitignore

@@ -1,3 +1,6 @@
 __pycache__/
 *.pyc
 *.swp
+/build/
+/dist/
+/rougescore.egg-info/

rougescore/__init__.py

@@ -0,0 +1 @@
+from .rougescore import rouge_n, rouge_1, rouge_2, rouge_3, rouge_l

rougescore.py → rougescore/rougescore.py

@@ -1,7 +1,10 @@
+from __future__ import division
 import collections
 
+import six
+
 def _ngrams(words, n):
-    queue = collections.deque([], n)
+    queue = collections.deque(maxlen=n)
     for w in words:
         queue.append(w)
         if len(queue) == n:
@@ -15,7 +18,7 @@ def _ngram_count(words, n):
 
 def _counter_overlap(counter1, counter2):
     result = 0
-    for k, v in counter1.items():
+    for k, v in six.iteritems(counter1):
         result += min(v, counter2[k])
     return result
 

setup.py

@@ -0,0 +1,40 @@
+from setuptools import setup, find_packages
+import os
+import codecs
+
+base_dir = os.path.abspath(os.path.dirname(__file__))
+
+with codecs.open(os.path.join(base_dir, 'README.md'), encoding='utf-8') as fin:
+    long_description = fin.read()
+
+setup(
+    name='rougescore',
+    version='0.1.0',
+    description='Python implementation of ROUGE',
+    long_description=long_description,
+    url='https://github.com/bdusell/rougescore',
+    author='Brian DuSell',
+    author_email='bdusell@gmail.com',
+    license='MIT',
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Science/Research',
+        'License :: OSI Approved :: MIT License',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.0',
+        'Programming Language :: Python :: 3.1',
+        'Programming Language :: Python :: 3.2',
+        'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Topic :: Scientific/Engineering'
+    ],
+    keywords='nlp rouge summarization evaluation',
+    packages=['rougescore'],
+    install_requires=['six']
+)