Update setup.py for easier and safer deploys to PyPI

setup.py

@@ -4,17 +4,45 @@ The setup package to install SeleniumBase dependencies and plugins
 """
 
 from setuptools import setup, find_packages  # noqa
-from os import path
+import os
+import sys
 
 
-this_directory = path.abspath(path.dirname(__file__))
+this_directory = os.path.abspath(os.path.dirname(__file__))
 long_description = None
 try:
-    with open(path.join(this_directory, 'README.md'), 'rb') as f:
+    with open(os.path.join(this_directory, 'README.md'), 'rb') as f:
         long_description = f.read().decode('utf-8')
 except IOError:
     long_description = 'Reliable Browser Automation & Testing Framework'
 
+if sys.argv[-1] == 'publish':
+    reply = None
+    input_method = input
+    if not sys.version_info[0] >= 3:
+        input_method = raw_input  # noqa
+    reply = str(input_method(
+        '>>> Confirm release PUBLISH to PyPI? (yes/no): ')).lower().strip()
+    if reply == 'yes':
+        print("\n*** Checking code health with flake8:\n")
+        flake8_status = os.system("flake8 --exclude=temp")
+        if flake8_status != 0:
+            print("\nWARNING! Fix flake8 issues before publishing to PyPI!\n")
+            sys.exit()
+        else:
+            print("*** No flake8 issues detected. Continuing...")
+        print("\n*** Rebuilding distribution packages: ***\n")
+        os.system('rm -f dist/*.egg; rm -f dist/*.tar.gz; rm -f dist/*.whl')
+        os.system('python setup.py sdist bdist_wheel')  # Create new tar/wheel
+        print("\n*** Installing twine: *** (Required for PyPI uploads)\n")
+        os.system("python -m pip install 'twine>=1.14.0'")
+        print("\n*** Publishing The Release to PyPI: ***\n")
+        os.system('python -m twine upload dist/*')  # Requires ~/.pypirc Keys
+        print("\n*** The Release was PUBLISHED SUCCESSFULLY to PyPI! :) ***\n")
+    else:
+        print("\n>>> The Release was NOT PUBLISHED to PyPI! <<<\n")
+    sys.exit()
+
 setup(
     name='seleniumbase',
     version='1.31.5',