Mercurial > p > roundup > code
comparison roundup/backends/__init__.py @ 2976:e03ef8a8df7f
2.4 compat
| author | Anthony Baxter <anthonybaxter@users.sourceforge.net> |
|---|---|
| date | Mon, 29 Nov 2004 02:07:59 +0000 |
| parents | 6610a5e3c1d5 |
| children | 4fcb61bfe4ec |
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| 2975:7edf7779145b | 2976:e03ef8a8df7f |
|---|---|
| 13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | 13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS" | 14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS" |
| 15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE, | 15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE, |
| 16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | 16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| 17 # | 17 # |
| 18 # $Id: __init__.py,v 1.31 2004-11-20 11:31:42 a1s Exp $ | 18 # $Id: __init__.py,v 1.32 2004-11-29 02:07:59 anthonybaxter Exp $ |
| 19 | 19 |
| 20 '''Container for the hyperdb storage backend implementations. | 20 '''Container for the hyperdb storage backend implementations. |
| 21 ''' | 21 ''' |
| 22 __docformat__ = 'restructuredtext' | 22 __docformat__ = 'restructuredtext' |
| 23 | 23 |
| 41 # import the backend module | 41 # import the backend module |
| 42 module_name = 'back_%s' % name | 42 module_name = 'back_%s' % name |
| 43 try: | 43 try: |
| 44 module = __import__(module_name, vars) | 44 module = __import__(module_name, vars) |
| 45 except: | 45 except: |
| 46 # import failed, but the (empty) module is already | 46 # import failed, but in versions prior to 2.4, a (broken) |
| 47 # placed in sys.modules and package globals; | 47 # module is left in sys.modules and package globals; |
| 48 # next import would success although the module is unusable | 48 # next import would success although the module is unusable |
| 49 del sys.modules['.'.join((__name__, module_name))] | 49 if sys.version_info < (2, 4): |
| 50 del vars[module_name] | 50 del sys.modules['.'.join((__name__, module_name))] |
| 51 del vars[module_name] | |
| 51 raise | 52 raise |
| 52 else: | 53 else: |
| 53 vars[name] = module | 54 vars[name] = module |
| 54 return module | 55 return module |
| 55 | 56 |