Get Project Tree Structure

def get_project_tree(host_url, username, password, project_key, n):
    """
    This method is used to search for tree elements
    Template parameters:
    [project_key] the project key
    Query parameters:
    [element_path] the path to search in
    """

    # The REST API path to search for tree elements
    path_uri = '/rest/com.easesolutions.jira.plugins.requirements/1.0/tree/' + project_key + '?'

    # The field-value pair/s that will be added to the query string
    number_prefix_field_value = 'n=' + str(n)

    # The query string to be added to the URI
    query_string = number_prefix_field_value

    # Send a GET request to search for tree elements
    # Return result of the GET request
    try:
        return requests.get(host_url + path_uri + query_string, auth=HTTPBasicAuth(username, password))
    except requests.exceptions.RequestException as e:
        print e

def print_folder_structure(folders):
    # If folder has values then print the information of the folder
    if folders:
        print '\n%s %s' % ('Display name: ', folders[0]['name_display'])
        print '%s %s' % ('Folder ID: ', folders[0]['id'])
        print '%s %s' % ('Parent folder ID: ', folders[0]['parent'])

        # Perform recursion if there is a folder under this folder
        sub_folders = folders[0]['folders']
        print_folder_structure(sub_folders)

# ['SC'] project key parameter for the project to search the element
# Store the result of the POST request to [response]
response = get_project_tree(HOST_URL, USERNAME, PASSWORD, 'SC', 1)

# Check response if element info is returned
if response.status_code == 200:

    # Get the value of the JSON response
    # Pass the result to print_folder_structure method to print the folder structure of the found element
    json_object = json.loads(response.text)
    folders = json_object['folders']
    print_folder_structure(folders)

else:
    print 'Error code: ', response.status_code
    print response.text

Display name:  1 GUI Specs
Folder ID:  1
Parent folder ID:  -1

Display name:  1.1 Panel UI
Folder ID:  2
Parent folder ID:  1

{
  "id": -1,
  "folders": [
    {
      "name": "GUI Specs",
      "description": "",
      "id": 1,
      "name_display": "1 GUI Specs",
      "parent": -1,
      "folders": [
        {
          "name": "Panel UI",
          "description": "",
          "id": 2,
          "name_display": "1.1 Panel UI",
          "parent": 1,
          "folders": [],
          "issues": [],
          "position": 1
        }
      ],
      "issues": [],
      "position": 1
    }
  ],
  "issues": []
}