Script to be run whenever USB recorder is plugged in, copy the files, encrypt them using GPG, and shred the plain file

encrypt_recorder.py

#!/usr/bin/python
from os import listdir, system
from os.path import isfile, join, getmtime
from shutil import move
from datetime import date
from subprocess import call

encryptEmail = "youremail@here.com"

src = "/media/RECORD/RECORD/VOICE"
dst = "/home/pi/meetings"

dryrun = False

files = [f for f in listdir(src) if isfile(join(src, f))]

for i,file in enumerate(files):
        srcFile = join(src, file)
        modify  = date.fromtimestamp(getmtime(srcFile))
        base = str(modify) if i == 0 else (str(modify) + "_" + str(i))
        dstFile = base +  ".WAV"
        dstEnc  = base + ".GPG"

        dstPlain     = join(dst, dstFile)
        dstEncrypted = join(dst,dstEnc)

        # move the file
        if dryrun:
                print "copy(%s, %s)" % (srcFile, dstPlain)
        else:
                move(srcFile, dstPlain)
                print "moved"

        # encrypt the file
        encryptCmd = "gpg --output %s --encrypt --recipient %s %s" % (dstEncrypted, encryptEmail, dstPlain)
        if dryrun:
                print encryptCmd
        else:
                system(encryptCmd)
                print "encrypted"

        # shred the plaintext
        shredCmd = "/usr/bin/shred -uz %s" % (dstPlain)
        if dryrun:
                print shredCmd
        else:
                system(shredCmd)
                print "shredded unencrypted version"

        print "Done! (%d/%d)" % (i+1, len(files))