#!/usr/bin/env python

import os
import sys

base_modules = ['aifc','anydbm','array','asynchat','asyncore','atexit',
                'audioop','base64','BaseHTTPServer','Bastion','binascii',
                'binhex','bisect','bz2','calendar','cgi','CGIHTTPServer',
                'cgitb','chunk','cmath','cmd','code','codecs','codeop',
                'collections','colorsys','compileall','compiler',
                'compiler.ast','compiler.visitor','ConfigParser',
                'contextlib','Cookie','cookielib','copy','copy_reg',
                'cPickle','cProfile','cStringIO','csv','ctypes','datetime',
                'decimal','difflib','dircache','dis','doctest',
                'DocXMLRPCServer','dumbdbm','dummy_thread','dummy_threading',
                'email','email.charset','email.encoders','email.errors',
                'email.generator','email.header','email.iterators',
                'email.message','email.mime','email.mime.audio',
                'email.mime.base','email.mime.image','email.mime.message',
                'email.mime.multipart','email.mime.nonmultipart',
                'email.mime.text','email.parser','email.utils',
                'encodings.idna','errno','exceptions','filecmp','fileinput',
                'fnmatch','formatter','fpformat','ftplib','functools','gc',
                'getopt','getpass','gettext','glob','gzip','hashlib','heapq',
                'hmac','hotshot','hotshot.stats','htmlentitydefs','htmllib',
                'HTMLParser','httplib','imageop','imaplib','imghdr','imp',
                'inspect','itertools','keyword','linecache','locale',
                'logging','macpath','mailbox','mailcap','marshal',
                'math','mimetools','mimetypes','mmap','modulefinder','mutex',
                'netrc','new','nntplib','operator','optparse','os',#'os.path',
                'parser','pdb','pickle','pickletools','pkgutil','platform',
                'poplib','pprint','py_compile','pyclbr','pydoc','Queue',
                'quopri','random','re','repr','rexec','rfc822','rlcompleter',
                'robotparser','runpy','sched','select','sgmllib','shelve',
                'shlex','shutil','signal','SimpleHTTPServer',
                'SimpleXMLRPCServer','site','smtpd','smtplib','sndhdr','socket',
                'SocketServer','sqlite3','stat','statvfs','string','StringIO',
                'stringprep','struct','subprocess','sunau','symbol',
                'tabnanny','tarfile','telnetlib','tempfile','test',
                'test.test_support','textwrap','thread','threading','time',
                'timeit','Tix','Tkinter','token','tokenize','trace',
                'traceback','types','unicodedata','unittest','urllib',
                'urllib2','urlparse','user','UserDict','UserList','UserString',
                'uu','uuid','warnings','wave','weakref','webbrowser','whichdb',
                'wsgiref','wsgiref.handlers','wsgiref.headers',
                'wsgiref.simple_server','wsgiref.util','wsgiref.validate',
                'xdrlib','xml.dom','xml.dom.minidom','xml.dom.pulldom',
                'xml.etree.ElementTree','xml.parsers.expat','xml.sax',
                'xml.sax.handler','xml.sax.saxutils','xml.sax.xmlreader',
                'xmlrpclib','zipfile','zipimport','zlib','mhlib','MimeWriter',
                'mimify','multifile','sets',]

contributed_modules = []
for root, dirs, files in os.walk('gluon'):
  for candidate in ['.'.join(
      os.path.join(root,os.path.splitext(name)[0]).split(os.sep))
      for name in files if name.endswith('.py')
        and root.split(os.sep)!=['gluon','tests']
      ]:
    contributed_modules.append(candidate)

# Python base version
python_version = sys.version[:3]

# Modules which we want to raise an Exception if they are missing
alert_dependency = ['hashlib','uuid']

# Now we remove the blacklisted modules if we are using the stated
# python version.
#
# List of modules deprecated in python2.6 that are in the above set
py26_deprecated = ['mhlib','multifile','mimify','sets','MimeWriter']

if python_version == '2.6':
    base_modules += ['json','multiprocessing']
    base_modules = list(set(base_modules).difference(set(py26_deprecated)))

# Example for python 2.7 (Uncomment if need)
#py27_deprecated = ['put_the_deprecated_module_here']

#if python_version == '2.7':
#    base_modules = list(set(base_modules).difference(set(py27_deprecated)))

# Now iterate in the base_modules, trying to do the import
for module in base_modules + contributed_modules:
    try:
        exec "import %s" % module
    except ImportError:
        # Raise an exception if the current module is a dependency
        if module in alert_dependency:
            msg = "Missing dependency: %(module)s\n" % locals()
            msg += "Try the following command: "
            msg += "easy_install-%(python_version)s -U %(module)s" % locals()
            raise ImportError, msg