Mercurial > p > roundup > code
comparison roundup/cgi/templating.py @ 1182:cb35cf3db0e0
don't create instances that aren't used
| author | Richard Jones <richard@users.sourceforge.net> |
|---|---|
| date | Mon, 23 Sep 2002 01:01:06 +0000 |
| parents | af104fa52746 |
| children | 08a13a84ed43 |
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| 1181:49aebf5a8691 | 1182:cb35cf3db0e0 |
|---|---|
| 1432 re.findall(r'\b\w{2,25}\b', self.search_text), klass) | 1432 re.findall(r'\b\w{2,25}\b', self.search_text), klass) |
| 1433 else: | 1433 else: |
| 1434 matches = None | 1434 matches = None |
| 1435 l = klass.filter(matches, filterspec, sort, group) | 1435 l = klass.filter(matches, filterspec, sort, group) |
| 1436 | 1436 |
| 1437 # map the item ids to instances | 1437 # return the batch object, using IDs only |
| 1438 if self.classname == 'user': | 1438 return Batch(self.client, l, self.pagesize, self.startwith, |
| 1439 klass = HTMLUser | 1439 classname=self.classname) |
| 1440 else: | |
| 1441 klass = HTMLItem | |
| 1442 l = [klass(self.client, self.classname, item) for item in l] | |
| 1443 | |
| 1444 # return the batch object | |
| 1445 return Batch(self.client, l, self.pagesize, self.startwith) | |
| 1446 | 1440 |
| 1447 # extend the standard ZTUtils Batch object to remove dependency on | 1441 # extend the standard ZTUtils Batch object to remove dependency on |
| 1448 # Acquisition and add a couple of useful methods | 1442 # Acquisition and add a couple of useful methods |
| 1449 class Batch(ZTUtils.Batch): | 1443 class Batch(ZTUtils.Batch): |
| 1450 ''' Use me to turn a list of items, or item ids of a given class, into a | 1444 ''' Use me to turn a list of items, or item ids of a given class, into a |
| 1451 series of batches. | 1445 series of batches. |
| 1452 | 1446 |
| 1453 ========= ======================================================== | 1447 ========= ======================================================== |
| 1454 Parameter Usage | 1448 Parameter Usage |
| 1455 ========= ======================================================== | 1449 ========= ======================================================== |
| 1456 sequence a list of HTMLItems | 1450 sequence a list of HTMLItems or item ids |
| 1451 classname if sequence is a list of ids, this is the class of item | |
| 1457 size how big to make the sequence. | 1452 size how big to make the sequence. |
| 1458 start where to start (0-indexed) in the sequence. | 1453 start where to start (0-indexed) in the sequence. |
| 1459 end where to end (0-indexed) in the sequence. | 1454 end where to end (0-indexed) in the sequence. |
| 1460 orphan if the next batch would contain less items than this | 1455 orphan if the next batch would contain less items than this |
| 1461 value, then it is combined with this batch | 1456 value, then it is combined with this batch |
| 1468 the batch. | 1463 the batch. |
| 1469 | 1464 |
| 1470 "sequence_length" is the length of the original, unbatched, sequence. | 1465 "sequence_length" is the length of the original, unbatched, sequence. |
| 1471 ''' | 1466 ''' |
| 1472 def __init__(self, client, sequence, size, start, end=0, orphan=0, | 1467 def __init__(self, client, sequence, size, start, end=0, orphan=0, |
| 1473 overlap=0): | 1468 overlap=0, classname=None): |
| 1474 self.client = client | 1469 self.client = client |
| 1475 self.last_index = self.last_item = None | 1470 self.last_index = self.last_item = None |
| 1476 self.current_item = None | 1471 self.current_item = None |
| 1472 self.classname = classname | |
| 1477 self.sequence_length = len(sequence) | 1473 self.sequence_length = len(sequence) |
| 1478 ZTUtils.Batch.__init__(self, sequence, size, start, end, orphan, | 1474 ZTUtils.Batch.__init__(self, sequence, size, start, end, orphan, |
| 1479 overlap) | 1475 overlap) |
| 1480 | 1476 |
| 1481 # overwrite so we can late-instantiate the HTMLItem instance | 1477 # overwrite so we can late-instantiate the HTMLItem instance |
| 1491 # (for some reason, index 0 is fetched twice) | 1487 # (for some reason, index 0 is fetched twice) |
| 1492 if index != self.last_index: | 1488 if index != self.last_index: |
| 1493 self.last_item = self.current_item | 1489 self.last_item = self.current_item |
| 1494 self.last_index = index | 1490 self.last_index = index |
| 1495 | 1491 |
| 1496 self.current_item = self._sequence[index + self.first] | 1492 item = self._sequence[index + self.first] |
| 1497 return self.current_item | 1493 if self.classname: |
| 1494 # map the item ids to instances | |
| 1495 if self.classname == 'user': | |
| 1496 item = HTMLUser(self.client, self.classname, item) | |
| 1497 else: | |
| 1498 item = HTMLItem(self.client, self.classname, item) | |
| 1499 self.current_item = item | |
| 1500 return item | |
| 1498 | 1501 |
| 1499 def propchanged(self, property): | 1502 def propchanged(self, property): |
| 1500 ''' Detect if the property marked as being the group property | 1503 ''' Detect if the property marked as being the group property |
| 1501 changed in the last iteration fetch | 1504 changed in the last iteration fetch |
| 1502 ''' | 1505 ''' |