import os
import hashlib


def get_dir_files(dirname):
    files = []

    for name in os.listdir(dirname):
        name = os.path.join(dirname, name)

        if os.path.isdir(name):
            subfiles = get_dir_files(name)
            files.extend(subfiles)
        elif os.path.isfile(name):
            files.append(name)

    return files


def get_md5_dict_from_files(files):
    md5dict = {}

    for file in files:
        md5dict[file] = hashlib.md5(open(file,'rb').read()).hexdigest()

    return md5dict


if __name__ == "__main__":
    currdir = os.getcwd()
    files = get_dir_files(currdir)
    md5dict = get_md5_dict_from_files(files)
    newpath = os.path.join(currdir, "Copias")

    for name1, md51 in md5dict.items():
        for name2, md52 in md5dict.items():
            if (name1 == name2):
                continue

            if (md51 == md52):
                oldname = name2
                md5dict[oldname] = ""
                oldpath, filename = os.path.split(oldname)
                newname = os.path.join(newpath, filename)

                if os.path.exists(oldname):
                    os.rename(oldname, newname)