sharepoint_list_folders.py

"""
Usage:
folder_url = "/teams/<channel>/Shared Documents"
list_folders(ctx = ctx, relative_url = folder_url)

"""

def list_folders(ctx,relative_url):
    libraryRoot = ctx.web.get_folder_by_server_relative_path(relative_url)
    ctx.load(libraryRoot)
    ctx.execute_query()
    #if you want to get the folders within <sub_folder> 
    folders = libraryRoot.folders
    ctx.load(folders)
    ctx.execute_query()
    url_list = []
    for myfolder in folders:
        print("Folder name: {0}".format(myfolder.properties["ServerRelativeUrl"]))
        url_list.append(myfolder.properties["ServerRelativeUrl"])
    return url_list