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import sys
import ConfigParser
import paramiko
import functools

args = sys.argv
zconfig = ConfigParser.RawConfigParser()
zconfig.read(args[1])

compconfig = ConfigParser.RawConfigParser()
compconfig.read(args[2])

fileExt = compconfig.get('DEFAULT', 'fileExt')

# set up paramiko policy for key policy
class AllowAnythingPolicy(paramiko.MissingHostKeyPolicy):
    def missing_host_key(self, client, hostname, key):
        return
        
client = paramiko.SSHClient()
client.set_missing_host_key_policy(AllowAnythingPolicy())
client.connect('127.0.0.1', username=zconfig.get('SFTP', 'username'), password=zconfig.get('SFTP', 'password'))

def my_callback(filename, bytes_so_far, bytes_total):
    print 'Transfer of %r is at %d/%d bytes (%.1f%%)' % (filename, bytes_so_far, bytes_total, 100. * bytes_so_far / bytes_total)
    
sftp = client.open_sftp()
sftp.chdir('in/')
for filename in sorted(sftp.listdir()):
    # print("filename: {}, localDir: {}, fileExt: {}, filename.split: {}".format(filename, localDir, fileExt, filename.split('.')[1].lower()))
    if filename.split('.')[1].lower() != fileExt:
        continue
    callback_for_filename = functools.partial(my_callback, filename)
    sftp.get(filename, localDir + '/' + filename, callback=callback_for_filename)
    # filename = filename.split('.')[0] + '.done'
    print(filename)
    sftp.remove(filename)
    
client.close()