diff --git a/src/packer.py b/src/packer.py
new file mode 100755
index 00000000..580428e6
--- /dev/null
+++ b/src/packer.py
@@ -0,0 +1,126 @@
+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+#############################################################
+#                                                           #
+#      Copyright @ 2018 -  Dashingsoft corp.                #
+#      All rights reserved.                                 #
+#                                                           #
+#      pyarmor                                              #
+#                                                           #
+#      Version: 4.3.2 -                                     #
+#                                                           #
+#############################################################
+#
+#
+#  @File: packer.py
+#
+#  @Author: Jondy Zhao(jondy.zhao@gmail.com)
+#
+#  @Create Date: 2018/11/08
+#
+#  @Description:
+#
+#   Pack obfuscated Python scripts with any of third party
+#   tools: py2exe, py2app, cx_Freeze, PyInstaller
+#
+
+import logging
+import os
+import shutil
+import subprocess
+import sys
+import time
+
+from compileall import compile_dir
+from py_compile import compile_file
+from distutils.util import get_platform
+from zipfile import PyZipFile
+
+try:
+    import argparse
+except ImportError:
+    # argparse is new in version 2.7
+    import polyfills.argparse as argparse
+
+try:
+    from pyarmor import main as call_armor
+except ImportError:
+    from pyarmor.pyarmor import main as call_armor
+
+def packer(args):
+
+    os.chdir(os.path.dirname(__file__))
+
+    src = os.path.dirname(args.entry) if args.path is None else args.path
+    entry = os.path.basename(args.entry) if args.path is None \
+        else os.path.relpath(args.entry, args.path)
+
+    project = 'build-for-%s' % args.type
+    dist = 'dist'
+    output = os.path.join(src, dist)
+
+    pack_options = [ 'py2exe' ] if args.type == 'py2exe' else \
+        ['build', '--build-exe', dist] if args.type == 'cx_Freeze' else \
+        ['build']
+    libname = 'library.zip' if args.type == 'py2exe' else \
+        'python%s%s.zip' % sys.version_info[:2]
+
+    # For cx_Freeze
+    # dirName = 'exe.%s-%s' % (get_platform(), sys.version[0:3])
+    # fileName = 'python%s%s.zip' % sys.version[0:2])
+
+    options = 'init', '--type', 'app', '--src', src, '--entry', entry, project
+    call_armor(options)
+
+    filters = ('global-include *.py', 'prune build, prune dist',
+               'exclude %s setup.py pytransform.py' % entry)
+    options = ('config', '--runtime-path', '',  '--disable-restrict-mode', '1',
+               '--manifest', ','.join(filters), project)
+    call_armor(options)
+
+    options = 'build', '--no-runtime', project
+    call_armor(options)
+
+    shutil.copy('pytransform.py', src)
+    shutil.copy(os.path.join(src, entry), '%s.bak' % entry)
+    shutil.move(os.path.join(project, 'dist', entry), src)
+
+    p = subprocess.Popen([sys.executable, 'setup.py'] + pack_options, cwd=src)
+    p.wait()
+    shutil.copy('%s.bak' % entry, os.path.join(src, entry))
+
+    with ZipFile(os.path.join(output, libname), 'a') as f:
+        f.writepy(os.path.join(project, 'dist'))
+
+    options = 'build', '--only-runtime', '-O', 'runtimes', project
+    call_armor(options)
+
+    for s in os.listdir(os.path.join(project, 'runtimes')):
+        if s == 'pytransform.py':
+            continue
+        shutil.copy(os.path.join(project, 'runtimes', s), dist)
+
+def main(args):
+    parser = argparse.ArgumentParser(
+        prog='packer.py',
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        description='Pack obfuscated scripts',
+        epilog=__doc__,
+    )
+    parser.add_argument('-v', '--version', action='version', version='v0.1')
+
+    parser.add_argument('-t', '--type', default='py2exe',
+                        choices=('py2exe', 'py2app', 'cx_Freeze', 'PyInstaller'))
+    parser.add_argument('-p', '--path', help='Source path of Python scripts')
+    parser.add_argument('-s', '--setup', default='setup.py', help='Setup script')
+    parser.add_argument('entry', metavar='Entry-Script', nargs=1, help='Entry script')
+
+    parser.set_defaults(func=_packer)
+
+if __name__ == '__main__':
+    logging.basicConfig(
+        level=logging.INFO,
+        format='%(levelname)-8s %(message)s',
+    )
+    main(sys.argv[1:])