fabfile.py

from fabric.api import local
import random
from signalback.local_settings import SECRET_KEY, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_STORAGE_BUCKET_NAME, EMAIL_HOST, EMAIL_PORT, EMAIL_HOST_USER, EMAIL_HOST_PASSWORD, EMAIL_USE_TLS, EMAIL_USE_SSL

def push_to_heroku():
    """
    This helps us deploy to Heroku. Builds a temp branch, copies the needed
    Heroky settings to settings.py, adds, commits, and pushed to Heroku
    master
    """
    
    # Create a new, disposable branch
    heroku_branch_name = 'heroku-build-%s' % random.randint(1, 1000)
    current_branch = local('git rev-parse --abbrev-ref HEAD', capture=True)
    local('git checkout -b %s' % heroku_branch_name)
    
    # Append our sensetive settings, out of 
    with open("signalback/settings.py", "a") as myfile:
        myfile.write("\n\nSECRET_KEY='%s'" % SECRET_KEY)
        myfile.write("\nAWS_ACCESS_KEY_ID='%s'" % AWS_ACCESS_KEY_ID)
        myfile.write("\nAWS_SECRET_ACCESS_KEY='%s'" % AWS_SECRET_ACCESS_KEY)
        myfile.write("\nAWS_STORAGE_BUCKET_NAME='%s'" % AWS_STORAGE_BUCKET_NAME)
        myfile.write("\nS3_URL='http://s3.amazonaws.com/%s/'" % AWS_STORAGE_BUCKET_NAME)
        myfile.write("\nSTATIC_URL=S3_URL")

        myfile.write("\nEMAIL_HOST='%s'" % EMAIL_HOST)
        myfile.write("\nEMAIL_PORT=%s" % EMAIL_PORT)
        myfile.write("\nEMAIL_HOST_USER='%s'" % EMAIL_HOST_USER)
        myfile.write("\nEMAIL_HOST_PASSWORD='%s'" % EMAIL_HOST_PASSWORD)
        myfile.write("\nEMAIL_USE_TLS=%s" % EMAIL_USE_TLS)
        myfile.write("\nEMAIL_USE_SSL=%s" % EMAIL_USE_SSL)
        
    # Toss our temp settings in git and push to heroku
    local("git commit -a -m 'heroku build'")
    local("git push heroku %s:master --force" % heroku_branch_name)
    local("git checkout %s" % current_branch)
    local("git branch -D %s" % heroku_branch_name)

    # Generate our static files
    local('heroku config:set AWS_ACCESS_KEY_ID=%s' % AWS_ACCESS_KEY_ID)
    local('heroku config:set AWS_SECRET_ACCESS_KEY=%s' % AWS_SECRET_ACCESS_KEY)
    local('heroku config:set AWS_DEFAULT_REGION=us-west-2')
    local('heroku run "aws s3 sync collected-static/. s3://signalback"')
    
    print "Pushed temp branch, %s, to Heroku" % heroku_branch_name