a script for deploying a middleman site to s3. any gzip'd files have their extension removed so that s3 can serve them directly without another server required to perform content negotiation.

middleman s3 deploy

#!/usr/bin/env python

import os, shutil, subprocess

SITE = 'build/'
BUCKET = 's3://mybucket.com/'
CMD = ['s3cmd', '-c', os.path.expanduser('~/.s3cfg-myconfig'), 'sync', '--acl-public', '--reduced-redundancy']

CACHE_10_WEEKS = "Cache-Control: max-age=6048000"

# ASSETS are served directly, while
# COMPRESSABLE_ASSETS are served gzipped - need to specify their mime type
ASSETS = ['*.png', '*.jpg', '*.ico']
COMPRESSABLE_ASSETS = [
    ('*.css',   'text/css',         CACHE_10_WEEKS),
    ('*.js',    'text/javascript',  CACHE_10_WEEKS),
    ('*.html',  'text/html',        "Cache-Control: max-age=86400, must-revalidate"),
]



def sync(params):
    cmd = CMD + params + [SITE, BUCKET]
    subprocess.check_call(cmd)

def replacegzip(p):
    print "replacing uncompressed files with gzip'd versions..."
    for root, dirs, files in os.walk(p):
        for file in files:
            name, ext = os.path.splitext(file)
            if ext == '.gz':
                shutil.move(os.path.join(root, file), os.path.join(root, name))

def main():
    print "Deploying:", SITE, "to", BUCKET

    # copy any gzip'd files to overwrite their original version
    replacegzip(SITE)

    for a in COMPRESSABLE_ASSETS:
        print "sycing", a[0], "..."
        cmd = ['--exclude', '*.*', '--include', a[0], '--mime-type=%s' % a[1], '--add-header=%s' % a[2], "--add-header=Content-Encoding:gzip"]
        sync(cmd)

    assetcmd = ['--exclude', '*.*', '--add-header=%s' % CACHE_10_WEEKS]
    for a in ASSETS:
        assetcmd.extend(['--include', a])
    print "syncing", ASSETS, "..."
    sync(assetcmd)

    cleancmd = ['--exclude', '.DS_Store', '--delete-removed']
    sync(cleancmd)

    print "Done."

if __name__ == "__main__":
    main()