cleanup old eclipse packages

eclipse_package_cleaner.py

import os
import re
from distutils.version import LooseVersion, StrictVersion
#def versiontuple(v):
#    return tuple(map(int, (v.split("."))))
dir='D:\\Dev\\Java\\eclipse.x86\\plugins'
del_dir=os.path.join(dir,'_delete')
plugin=os.listdir(dir)
plugin_dict={}
for p in plugin:
    if p=='_delete':
        continue
    pkg,ver=re.findall('(.+)_(.+)',p)[0]
    ver=LooseVersion(ver)
    if pkg in plugin_dict:
        plugin_dict[pkg].append(ver)
    else:
        plugin_dict[pkg]=[ver]
cnt=0
if not os.path.exists(del_dir):
    os.mkdir(del_dir)
for p in plugin_dict:
    if len(plugin_dict[p])>1:
        fs=['%s_%s'%(p,sorted(plugin_dict[p])[i]) for i in range(len(plugin_dict[p])-1)]
        for f in fs:
            print(f)
            os.rename(os.path.join(dir,f),os.path.join(del_dir,f))
            cnt+=1
print('%d unused pkgs moved to %s\\_delete.'%(cnt,dir))