Add CI/CD (close snowplow#180)

Author: chuwy

.travis.yml

@@ -7,10 +7,18 @@ python:
 - '3.4'
 - '3.5'
 install:
-  - "pip install -r requirements-test.txt"
-  - "pip install -e ."
-# command to run tests
-script:
-  pytest --cov=snowplow_tracker
-after_success:
-  coveralls
+- pip install -r requirements-test.txt
+- pip install release-manager
+- pip install -e .
+script: pytest --cov=snowplow_tracker
+after_success: coveralls
+deploy:
+  skip_cleanup: true
+  provider: script
+  script: ./.travis/deploy.py
+  on:
+    tags: true
+    python: '2.7'
+env:
+  global:
+    secure: SnavmHqH0sB6xmyqSiN7HscdVpNr6pk+bWs/8Oin2FZ0Kp52V9vIQf1A9TjDQY67P3YgUsMFJKWmCIpbsWFUl65Nos2LXGK6oTe9mt7O5fsR6BsI1IiiZoC8wNZwmaUjqyJa3/Y5KUYvWXlTLYChbyiqxcTCtkBDnLaiFFDOEis=

.travis/deploy.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+
+
+import os
+from os.path import expanduser
+import sys
+
+from release_manager import utils, logger
+
+from snowplow_tracker import _version
+
+# --- Constants
+
+
+HOME = expanduser("~")
+DEFAULT_SERVER = 'https://pypi.python.org/pypi'
+DEFAULT_REPO = 'pypi'
+PYPIRC_FILE = '%s/.pypirc' % HOME
+
+if 'TRAVIS_TAG' in os.environ:
+    TRAVIS_TAG = os.environ.get('TRAVIS_TAG')
+else:
+    sys.exit("Environment variable TRAVIS_TAG is unavailable")
+
+if 'TRAVIS_BUILD_DIR' in os.environ:
+    TRAVIS_BUILD_DIR = os.environ.get('TRAVIS_BUILD_DIR')
+else:
+    sys.exit("Environment variable TRAVIS_BUILD_DIR is unavailable")
+
+if 'PYPI_PASSWORD' in os.environ:
+    PYPI_PASSWORD = os.environ.get('PYPI_PASSWORD')
+else:
+    sys.exit("Environment variable PYPI_PASSWORD is unavailable")
+
+
+# --- Helpers
+
+
+def check_version():
+    """Fail deploy if tag version doesn't match version"""
+    logger.log_start("Checking versions")
+    if TRAVIS_TAG != _version.__build_version__:
+        sys.exit("Version extracted from project doesn't match the TRAVIS_TAG variable. TRAVIS_TAG: {}, __build_version__: {}!".format(TRAVIS_TAG, _version.__build_version__))
+    else:
+        logger.log_info("Versions match!")
+        logger.log_done()
+
+
+def write_config():
+    """Writes an array of lines to the PyPi config file"""
+    logger.log_start("Writing ~/.pypirc file")
+    lines = [
+        '[distutils]\n',
+        'index-servers =\n',
+        '  %s\n' % DEFAULT_REPO,
+        '\n',
+        '[%s]\n' % DEFAULT_REPO,
+        'repository=%s\n' % DEFAULT_SERVER,
+        'username=snowplow\n',
+        'password=%s\n' % PYPI_PASSWORD
+    ]
+
+    with open(PYPIRC_FILE, 'w') as outfile:
+        for line in lines:
+            outfile.write(line)
+    logger.log_info("The ~/.pypirc file has been written!")
+    logger.log_done()
+
+
+def deploy_to_pypi():
+    """Deploys the release to PyPi"""
+    logger.log_start("Deploying to PyPi")
+    os.chdir(TRAVIS_BUILD_DIR)
+    utils.execute("python setup.py register -r pypi", shell=True)
+    utils.execute("python setup.py sdist upload -r pypi", shell=True)
+    logger.log_info("Module deployed to PyPi!")
+    logger.log_done()
+
+
+# --- Main
+
+
+if __name__ == "__main__":
+    logger.log_header("Deploying snowplow-python-tracker to PyPi")
+    check_version()
+    write_config()
+    deploy_to_pypi()
+    logger.log_footer("Deployed version %s to PyPi!" % TRAVIS_TAG)

snowplow_tracker/_version.py

@@ -22,3 +22,4 @@
 
 __version_info__ = (0, 8, 0)
 __version__ = ".".join(str(x) for x in __version_info__)
+__build_version__ = __version__ + ''