Delete all branch-directories on repository server which are non-existent in corresponding GitLab project

delete_branch_directories.py

import os
import shutil
import requests

GITLAB_URL = 'https://foo.com/api/v4/projects/210/repository/branches'
GITLAB_TOKEN = '123456abcdefg' # GitLab user token
SERVER_PATH = '/apps/foobar/ios/development' # Where are the build branches

def remove_folder(path):
    # check if folder exists
    if os.path.exists(path):
         # remove if exists
         shutil.rmtree(path)

res = requests.get(GITLAB_URL, headers={'PRIVATE-TOKEN':GITLAB_TOKEN}) 
data = res.json()

directories = os.listdir(SERVER_PATH)

for branch in data:
    try:
        directories.remove(branch['name'])
    except ValueError:
        # Directory exists, but Branch no more. 
        # Leave in list so it gets deleted
        pass

# exclude 'release' branch from list
try:
    directories.remove('release')
except:
    pass

# delete old directories
for folder in directories:
    path = os.path.join(d, folder)
    print("Deleting: %s" % path)
    remove_folder(path)

print("cleaned")