Enable PyPI Publishing with CircleCI (#49)

* test publishing to pypi on tag

* update readme

* dependent job needs to run on tags as well

.circleci/config.yml

@@ -8,7 +8,18 @@ workflows:
   version: 2
   test:
     jobs:
-      - py27
+      - py27:
+          filters:
+            tags:
+              only: /^v.*/
+      - publish:
+          requires:
+            - py27
+          filters:
+            tags:
+              only: /^v.*/
+            branches:
+              ignore: /.*/
       # TODO: - py37
 
 jobs:
@@ -30,12 +41,34 @@ jobs:
       - save_cache:
           paths:
             ./venv/
-          key: v1-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "setup.py" }}-{{ checksum "requirements.txt" }}
+          key: v1-{{ arch }}-{{ .Environment.CIRCLE_PROJECT }}-{{ checksum "setup.py" }}-{{ checksum "requirements.txt" }}
       - run:
           name: Pytest
           command: |
             ./venv/bin/pytest -v tests/
-
+  publish:
+    docker:
+      - image: circleci/python:2.7
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - v1-{{ arch }}-{{ .Environment.CIRCLE_PROJECT }}-{{ checksum "setup.py" }}-{{ checksum "requirements.txt" }}
+      - run:
+          name: verify git tag vs. version
+          command: |
+            python -m venv venv || virtualenv venv
+            . venv/bin/activate
+            python setup.py verify
+      - run:
+          name: create packages
+          command: |
+            python setup.py sdist
+            python setup.py bdist_wheel
+      - run:
+          name: upload to pypi
+          command: |
+            ./venv/bin/twine upload --config .pypirc -r pypi dist/* --password $PYPI_PASSWORD_PROD
 # TODO:
 #  py37:
 #    <<: *template

.gitignore

@@ -4,7 +4,8 @@ src/indy/specs/build/vendored/*
 # build directories
 /build/
 /docs/_build/
-
+/dist/
+/venv/
 # compiled files
 *.o
 *.a

.pypirc

@@ -0,0 +1,11 @@
+[distutils]
+index-servers=
+    pypi
+    testpypi
+
+[pypi]
+username: nerdwallet
+
+[testpypi]
+repository: https://test.pypi.org/legacy/
+username: nerdwallet

README.rst

@@ -315,3 +315,11 @@ When creating ``aws_security_group_rule`` ``Resource`` objects you cannot pass `
         vpc_id=vpc.id,
         ...
     )
+
+Release Steps
+=================
+1. Create an issue, check out a branch, and make your code changes.
+2. Push to run CircleCI tests.
+3. Create Pull Request to Master including VERSION bump.
+4. Merge PR after Approval.
+5. Add tag like v1.0.0 that matches new version and push.

VERSION

@@ -1 +1 @@
-1.1.0
+1.1.1

requirements.txt

@@ -1,2 +1,3 @@
 schematics==2.1.0
 six==1.12.0
+twine==1.13.0

setup.py

@@ -1,11 +1,31 @@
+import os
+import sys
+
 from setuptools import find_packages, setup
+from setuptools.command.install import install
 
 with open('VERSION') as version_fd:
     VERSION = version_fd.read().strip()
 
 with open('README.rst') as readme_fd:
     long_description = readme_fd.read()
 
+class VerifyVersionCommand(install):
+    """Custom command to verify that the git tag matches our version"""
+    description = 'verify that the git tag matches our version'
+
+    def run(self):
+        if os.getenv('CIRCLE_TAG') == None:
+            sys.exit("FAILED: Your CIRCLE_TAG variable appears to be unset.  Are you running on CircleCI triggered by tag?")
+        else:
+            tag = os.getenv('CIRCLE_TAG')
+
+        if tag != "v" + VERSION:
+            info = "Git tag: {0} does not match the version of this app: {1}".format(
+                tag, VERSION
+            )
+            sys.exit(info)
+
 setup(
     name='terraformpy',
     version=VERSION,
@@ -45,5 +65,8 @@
         "Topic :: Software Development :: Libraries",
         "Topic :: Software Development :: Pre-processors",
         "Topic :: System :: Systems Administration",
-    ]
+    ],
+    cmdclass={
+        'verify': VerifyVersionCommand,
+    }
 )