Rename DICOM files to Turbo-BrainVoyager format

rename_dicoms_tbv.py

"""Rename DICOM files to Turbo-BrainVoyager format.

Works with:
  - BrainVoyager .dcm files
  - Siemens .IMA files

Usage:
  python rename_dicoms_tbv.py [<directory>]
  
If <directory> is not specified, a GUI dialogue will ask for it.

"""


__author__ = 'Florian Krause <siebenhundertzehn@gmail.com>'
__date__ = '2017-11-22'


import sys
import os

import glob


try:
    directory = sys.argv[1]
    assert os.path.exists(directory)
except:
    if sys.version[0] == '2':
        from tkFileDialog import askdirectory
    elif sys.version[0] == '3':
        from tkinter.filedialog import askdirectory
    directory = askdirectory()
    if directory == "":
        sys.exit()

dcm_files = glob.glob(os.path.join(directory, "*.dcm"))
ima_files = glob.glob(os.path.join(directory, "*.IMA"))

for f in dcm_files:
    path, filename = os.path.split(f)
    parts = os.path.splitext(filename)[0].split("-")
    new_filename = "001_{0}_{1}.dcm".format(str(int(parts[-3])).zfill(6),
                                            str(int(parts[-1])).zfill(6))
    os.rename(f, os.path.join(path, new_filename))

for f in ima_files:
    path, filename = os.path.split(f)
    parts = os.path.splitext(filename)[0].split(".")
    new_filename = "001_{0}_{1}.dcm".format(str(int(parts[-10])).zfill(6),
                                            str(int(parts[-9])).zfill(6))
    os.rename(f, os.path.join(path, new_filename))