#!/usr/bin/env/python
"""
gdocs2s3.py

Automatically downloads all of your Google Docs and backs them up to Amazon S3
"""

"""
Copyright (c) 2010 Scott Rubin apreche@frontrowcrew.com

 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation
 files (the "Software"), to deal in the Software without
 restriction, including without limitation the rights to use,
 copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the
 Software is furnished to do so, subject to the following
 conditions:

 The above copyright notice and this permission notice shall be
 included in all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.
"""

""" Begin User Config """

# Google
GOOGLE_USERNAME=""
GOOGLE_PASSWORD=""
DOCUMENT_FORMAT = 'html' # change to 'doc', if you desire

# Amazon
AWS_ACCESS_KEY_ID = ''
AWS_SECRET_ACCESS_KEY = ''
AWS_BUCKET_NAME = ''

# Other
TEMP_STORAGE_DIR = '/tmp/'

""" End User Config """


# Prepare S3 Connection
import boto
from boto.s3.connection import S3Connection
from boto.s3 import Key

conn = S3Connection(AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY)

try:
    bucket = conn.create_bucket(AWS_BUCKET_NAME)
except boto.exception.S3CreateError:
    print "Someone else has that bucket name. Try a different one."
    exit()
print "Connected to S3 bucket '%s'" % AWS_BUCKET_NAME

# Export From Google Docs
import gdata.docs.service

GOOGLE_SOURCE="Apreche-GDocs2S3-v1"

gd_client = gdata.docs.service.DocsService(source=GOOGLE_SOURCE)
gd_client.ClientLogin(GOOGLE_USERNAME, GOOGLE_PASSWORD)
feed = gd_client.GetDocumentListFeed()
print "Connected to Google as '%s'" % GOOGLE_USERNAME

for entry in feed.entry:
    if entry.GetDocumentType() == 'document':
        title = entry.title.text.encode('UTF-8').replace(' ','_')
        filename = "%s.%s" % (title, DOCUMENT_FORMAT)
        temp_filename = "%s%s" % (TEMP_STORAGE_DIR, filename)
        print "Downloading '%s' to '%s'" % (filename, TEMP_STORAGE_DIR)
        export_entries = {'doc': entry, 'html': entry.resourceId.text }
        gd_client.Export(export_entries[DOCUMENT_FORMAT], temp_filename)
        k = Key(bucket)
        k.key = filename
        k.set_contents_from_filename(temp_filename)
        print "'%s' Backed up to S3 Bucket '%s'" % (filename, AWS_BUCKET_NAME)

print "Final Contents of Bucket '%s'" % AWS_BUCKET_NAME
for key in bucket:
    print "    %s" % key.name