Dumps all images from iMessages.

imessage_dump.py

import os
import pwd
import shutil
from datetime import datetime, date

username = pwd.getpwuid(os.getuid()).pw_name
rootDir = "/Users/{}/Library/Messages/Attachments".format(username)
destDir = "/Users/{}/Desktop/imessage_dump".format(username)

IGNORE_STRING = "pluginPayloadAttachment"
for dirName, subdirList, fileList in os.walk(rootDir):
    #print("Found directory: %s" % dirName)
    for fname in fileList:
        if IGNORE_STRING in fname:
            print("skipping: \t%s" % fname)
            continue
        src_fp = os.path.join(rootDir, dirName,fname)
        mtime = os.path.getmtime(src_fp)
        datetime = datetime.fromtimestamp(mtime)
        # Size in bytes
        size = os.path.getsize(src_fp)
        print("{} {} {} kB".format(datetime.strftime('%Y-%m-%d %H:%M'), fname, size >> 10))
        src_fp = os.path.join(rootDir, dirName,fname)
        dest_fp = os.path.join(destDir, fname)
        shutil.copy2(src_fp, dest_fp)