update setup to enable readthedoc build

Author: MacHu-GWU

setup.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 """
@@ -128,20 +127,40 @@
     Full list can be found at: https://pypi.python.org/pypi?%3Aaction=list_classifiers
     """
 
-    # Read requirements.txt, ignore comments
-    try:
-        REQUIRES = list()
-        f = open("requirements.txt", "rb")
+
+    def read_requirements_file(path):
+        """
+        Read requirements.txt, ignore comments
+        """
+        requires = list()
+        f = open(path, "rb")
         for line in f.read().decode("utf-8").split("\n"):
             line = line.strip()
             if "#" in line:
                 line = line[:line.find("#")].strip()
             if line:
-                REQUIRES.append(line)
+                requires.append(line)
+        return requires
+
+
+    try:
+        REQUIRES = read_requirements_file("requirements.txt")
     except:
         print("'requirements.txt' not found!")
         REQUIRES = list()
 
+    EXTRA_REQUIRE = dict()
+
+    try:
+        EXTRA_REQUIRE["tests"] = read_requirements_file("requirements-test.txt")
+    except:
+        print("'requirements-test.txt' not found!")
+
+    try:
+        EXTRA_REQUIRE["docs"] = read_requirements_file("requirements-doc.txt")
+    except:
+        print("'requirements-test.txt' not found!")
+
     setup(
         name=PKG_NAME,
         description=SHORT_DESCRIPTION,
@@ -161,6 +180,7 @@
         platforms=PLATFORMS,
         license=LICENSE,
         install_requires=REQUIRES,
+        extras_require=EXTRA_REQUIRE,
     )
 
 """
@@ -192,8 +212,8 @@
     "Intended Audience :: System Administrators",
     "Intended Audience :: Telecommunications Industry",
 
-    "License :: OSI Approved :: BSD License",
     "License :: OSI Approved :: MIT License",
+    "License :: OSI Approved :: BSD License",
     "License :: OSI Approved :: Apache Software License",
     "License :: OSI Approved :: GNU General Public License (GPL)",
     "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
@@ -213,6 +233,7 @@
     "Programming Language :: Python :: 3.4",
     "Programming Language :: Python :: 3.5",
     "Programming Language :: Python :: 3.6",
+    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3 :: Only",
 ]
-"""
+"""