| # |
| # Copyright 2010 Free Software Foundation, Inc. |
| # |
| # This file is part of GNU Radio |
| # |
| # GNU Radio is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3, or (at your option) |
| # any later version. |
| # |
| # GNU Radio is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with GNU Radio; see the file COPYING. If not, write to |
| # the Free Software Foundation, Inc., 51 Franklin Street, |
| # Boston, MA 02110-1301, USA. |
| # |
| """ |
| Utilities for extracting text from generated classes. |
| """ |
| |
| def is_string(txt): |
| if isinstance(txt, str): |
| return True |
| try: |
| if isinstance(txt, unicode): |
| return True |
| except NameError: |
| pass |
| return False |
| |
| def description(obj): |
| if obj is None: |
| return None |
| return description_bit(obj).strip() |
| |
| def description_bit(obj): |
| if hasattr(obj, 'content'): |
| contents = [description_bit(item) for item in obj.content] |
| result = ''.join(contents) |
| elif hasattr(obj, 'content_'): |
| contents = [description_bit(item) for item in obj.content_] |
| result = ''.join(contents) |
| elif hasattr(obj, 'value'): |
| result = description_bit(obj.value) |
| elif is_string(obj): |
| return obj |
| else: |
| raise StandardError('Expecting a string or something with content, content_ or value attribute') |
| # If this bit is a paragraph then add one some line breaks. |
| if hasattr(obj, 'name') and obj.name == 'para': |
| result += "\n\n" |
| return result |