| # (C) Copyright David Abrahams 2001. Permission to copy, use, modify, sell and |
| # distribute this software is granted provided this copyright notice appears in |
| # all copies. This software is provided "as is" without express or implied |
| # warranty, and with no claim as to its suitability for any purpose. |
| |
| import re |
| |
| def transform (list, pattern, indices = [1]): |
| """ Matches all elements of 'list' agains the 'pattern' |
| and returns a list of the elements indicated by indices of |
| all successfull matches. If 'indices' is omitted returns |
| a list of first paranthethised groups of all successfull |
| matches. |
| """ |
| result = [] |
| |
| for e in list: |
| m = re.match (pattern, e) |
| |
| if m: |
| for i in indices: |
| result.append (m.group (i)) |
| |
| return result |
| |
