Add twine PyPI instructions.

Add enum34 requirement

version 0.1.1

PiperOrigin-RevId: 204213584

README.md

@@ -33,12 +33,20 @@ be found in the [user guide].
 ### 1. Setup
 
 
-Install Gin:
+Install Gin with pip:
 
 ```shell
 pip install gin-config
 ```
 
+Install Gin from source:
+
+```shell
+git clone https://github.com/google/gin-config
+cd gin-config
+python -m setup.py install
+```
+
 Import Gin (without TensorFlow functionality):
 
 ```python

docs/walkthrough.md

@@ -33,12 +33,20 @@ be found in the [user guide].
 ### 1. Setup
 
 
-Install Gin:
+Install Gin with pip:
 
 ```shell
 pip install gin-config
 ```
 
+Install Gin from source:
+
+```shell
+git clone https://github.com/google/gin-config
+cd gin-config
+python -m setup.py install
+```
+
 Import Gin (without TensorFlow functionality):
 
 ```python

gin/__init__.py

@@ -14,6 +14,7 @@
 # limitations under the License.
 
 """Init file for Gin."""
+__version__ = '0.1.1'
 
 from gin.config import bind_parameter
 from gin.config import clear_config

setup.py

@@ -23,6 +23,7 @@
 
 import codecs
 from os import path
+import gin
 from setuptools import find_packages
 from setuptools import setup
 
@@ -32,18 +33,20 @@
 with codecs.open(path.join(here, 'README.md'), encoding='utf-8') as f:
   long_description = f.read()
 
+install_requires = ['six >= 1.10.0', 'enum34;python_version<"3.4"']
+test_requirements = ['six >= 1.10.0', 'absl-py >= 0.1.6']
 
 setup(
     name='gin-config',
-    version='0.1',
+    version=gin.__version__,
     include_package_data=True,
     packages=find_packages(exclude=['docs']),  # Required
     package_data={'testdata': ['testdata/*.gin']},
-    install_requires=['six >= 1.10.0'],
+    install_requires=install_requires,
     extras_require={  # Optional
         'tf': ['tensorflow >= 1.6'],
     },
-    tests_require=['six >= 1.10.0', 'absl-py >= 0.1.6'],
+    tests_require=test_requirements,
     description='Gin-config: a lightweight configuration library for Python',
     long_description=long_description,
     url='https://github.com/google/gin-config',  # Optional