s3get

#!/usr/bin/env python

APPNAME = "Amazon S3 File Get"
VERSION = 1.0
VERSION_STR = APPNAME + " " + str(VERSION)
USAGE = "usage: %prog [options] bucket dest"

import os, optparse, yaml

from bklib import *

def main():
  config = None

  p = optparse.OptionParser(usage=USAGE, version=VERSION_STR)
  p.add_option('-c', '--config', default='config/default.yaml', metavar="FILEPATH", dest='configFile')
  p.add_option('-v', '--verbose', default=False, action="store_true", dest="verbose")

  options, arguments = p.parse_args()

   # Load Configuration Settings

  try:
    with open(options.configFile) as f:
      config = yaml.load(f)
  except IOError:
    p.error("An error occurred when trying to open '{path}' for configuration".format(path=options.configFile))
  except yaml.scanner.ScannerError:
    p.error("An error occurred when trying to read '{path}' for configuration. Possibly due to a format error.".format(path=options.configFile))

  # Validate the Config File

  if(not(os.path.exists(options.configFile))):
    p.error("Configuration file '{path}' does not exist.".format(path=options.configFile))

  if ('amazon' not in config) or ('access_key_id' not in config['amazon']) or ('access_key_secret' not in config['amazon']):
    p.error("Please specify the amazon access key and access secret in your configuration file.")

  getAssets(arguments[0], arguments[1], config['amazon']['access_key_id'], config['amazon']['access_key_secret'])


def getAssets(bucket, dest, aws_access_key, aws_access_secret):
  amazon.getAssets(bucket, dest, aws_access_key, aws_access_secret)

if __name__ == '__main__':
  main()