Mercurial > p > roundup > code
comparison roundup/backends/__init__.py @ 3084:b286373a517f
fix exception in have_backend('tsearch2')
| author | Alexander Smishlajev <a1s@users.sourceforge.net> |
|---|---|
| date | Thu, 06 Jan 2005 17:57:05 +0000 |
| parents | 4fcb61bfe4ec |
| children | 4aeb0d0cf0d6 |
comparison
equal
deleted
inserted
replaced
| 3083:b9a819ef7554 | 3084:b286373a517f |
|---|---|
| 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 1.33 2004-11-29 07:34:39 anthonybaxter Exp $ | 18 # $Id: __init__.py,v 1.34 2005-01-06 17:57:05 a1s 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 |
| 28 # module name, have_backend quietly returns False. | 28 # module name, have_backend quietly returns False. |
| 29 # Otherwise the error is reraised. | 29 # Otherwise the error is reraised. |
| 30 _modules = { | 30 _modules = { |
| 31 'mysql': 'MySQLdb', | 31 'mysql': 'MySQLdb', |
| 32 'postgresql': 'psycopg', | 32 'postgresql': 'psycopg', |
| 33 'tsearch2': 'psycopg', | |
| 33 } | 34 } |
| 34 | 35 |
| 35 def get_backend(name): | 36 def get_backend(name): |
| 36 '''Get a specific backend by name.''' | 37 '''Get a specific backend by name.''' |
| 37 vars = globals() | 38 vars = globals() |
| 41 # import the backend module | 42 # import the backend module |
| 42 module_name = 'back_%s' % name | 43 module_name = 'back_%s' % name |
| 43 try: | 44 try: |
| 44 module = __import__(module_name, vars) | 45 module = __import__(module_name, vars) |
| 45 except: | 46 except: |
| 46 # import failed, but in versions prior to 2.4, a (broken) | 47 # import failed, but in versions prior to 2.4, a (broken) |
| 47 # module is left in sys.modules and package globals; | 48 # module is left in sys.modules and package globals; |
| 48 # subsequent imports would succeed and get the broken module. | 49 # subsequent imports would succeed and get the broken module. |
| 49 # This no longer happens in Python 2.4 and later. | 50 # This no longer happens in Python 2.4 and later. |
| 50 if sys.version_info < (2, 4): | 51 if sys.version_info < (2, 4): |
| 51 del sys.modules['.'.join((__name__, module_name))] | 52 del sys.modules['.'.join((__name__, module_name))] |