github migration, bumpversion, python2 deprecation

Author: pipermerriam

README.md

@@ -1,6 +1,6 @@
 # py-solc
 
-[![Build Status](https://travis-ci.org/pipermerriam/py-solc.png)](https://travis-ci.org/pipermerriam/py-solc)
+[![Build Status](https://travis-ci.org/ethereum/py-solc.png)](https://travis-ci.org/ethereum/py-solc)
 [![PyPi version](https://pypip.in/v/py-solc/badge.png)](https://pypi.python.org/pypi/py-solc)
 [![PyPi downloads](https://pypip.in/d/py-solc/badge.png)](https://pypi.python.org/pypi/py-solc)
 

setup.py

@@ -8,12 +8,13 @@
 
 setup(
     name='py-solc',
+    # *IMPORTANT*: Don't manually change the version here. Use the 'bumpversion' utility.
     version='2.0.0',
     description="""Python wrapper around the solc binary""",
     long_description_markdown_filename='README.md',
     author='Piper Merriam',
     author_email='[email protected]',
-    url='https://github.com/pipermerriam/py-solc',
+    url='https://github.com/ethereum/py-solc',
     include_package_data=True,
     py_modules=['solc'],
     setup_requires=['setuptools-markdown'],

solc/__init__.py

@@ -1,5 +1,8 @@
 from __future__ import absolute_import
 
+import sys
+import warnings
+
 from .main import (  # noqa: F401
     get_solc_version_string,
     get_solc_version,
@@ -11,3 +14,10 @@
 from .install import (  # noqa: F401
     install_solc,
 )
+
+if sys.version_info.major < 3:
+    warnings.simplefilter('always', DeprecationWarning)
+    warnings.warn(DeprecationWarning(
+        "The `py-solc` library is dropping support for Python 2.  Upgrade to Python 3."
+    ))
+    warnings.resetwarnings()