Mercurial > p > roundup > code
comparison roundup/backends/back_anydbm.py @ 252:76c6994aa4e8
CGI interfaces now spit up a top-level index of all instances they can serve.
| author | Richard Jones <richard@users.sourceforge.net> |
|---|---|
| date | Sat, 29 Sep 2001 13:27:00 +0000 |
| parents | ad2c98faec97 |
| children | a4241ddd22d7 |
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| 251:2f4123c715f1 | 252:76c6994aa4e8 |
|---|---|
| 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: back_anydbm.py,v 1.7 2001-08-12 06:32:36 richard Exp $ | 18 #$Id: back_anydbm.py,v 1.8 2001-09-29 13:27:00 richard Exp $ |
| 19 | 19 |
| 20 import anydbm, os, marshal | 20 import anydbm, os, marshal |
| 21 from roundup import hyperdb, date | 21 from roundup import hyperdb, date |
| 22 | 22 |
| 23 # | 23 # |
| 39 None, the database is opened in read-only mode: the Class.create(), | 39 None, the database is opened in read-only mode: the Class.create(), |
| 40 Class.set(), and Class.retire() methods are disabled. | 40 Class.set(), and Class.retire() methods are disabled. |
| 41 """ | 41 """ |
| 42 self.dir, self.journaltag = storagelocator, journaltag | 42 self.dir, self.journaltag = storagelocator, journaltag |
| 43 self.classes = {} | 43 self.classes = {} |
| 44 self.transactions = [] | |
| 44 | 45 |
| 45 # | 46 # |
| 46 # Classes | 47 # Classes |
| 47 # | 48 # |
| 48 def __getattr__(self, classname): | 49 def __getattr__(self, classname): |
| 201 | 202 |
| 202 | 203 |
| 203 # | 204 # |
| 204 # Basic transaction support | 205 # Basic transaction support |
| 205 # | 206 # |
| 206 # TODO: well, write these methods (and then use them in other code) | |
| 207 def register_action(self): | |
| 208 ''' Register an action to the transaction undo log | |
| 209 ''' | |
| 210 | |
| 211 def commit(self): | 207 def commit(self): |
| 212 ''' Commit the current transaction, start a new one | 208 ''' Commit the current transactions. |
| 213 ''' | 209 ''' |
| 210 # lock the DB | |
| 211 for action, classname, entry in self.transactions: | |
| 212 # write the node, figure what's changed for the journal. | |
| 213 pass | |
| 214 # unlock the DB | |
| 214 | 215 |
| 215 def rollback(self): | 216 def rollback(self): |
| 216 ''' Reverse all actions from the current transaction | 217 ''' Reverse all actions from the current transaction. |
| 217 ''' | 218 ''' |
| 219 self.transactions = [] | |
| 218 | 220 |
| 219 # | 221 # |
| 220 #$Log: not supported by cvs2svn $ | 222 #$Log: not supported by cvs2svn $ |
| 223 #Revision 1.7 2001/08/12 06:32:36 richard | |
| 224 #using isinstance(blah, Foo) now instead of isFooType | |
| 225 # | |
| 221 #Revision 1.6 2001/08/07 00:24:42 richard | 226 #Revision 1.6 2001/08/07 00:24:42 richard |
| 222 #stupid typo | 227 #stupid typo |
| 223 # | 228 # |
| 224 #Revision 1.5 2001/08/07 00:15:51 richard | 229 #Revision 1.5 2001/08/07 00:15:51 richard |
| 225 #Added the copyright/license notice to (nearly) all files at request of | 230 #Added the copyright/license notice to (nearly) all files at request of |