<s>
Storm	O
is	O
a	O
Python	B-Language
programming	I-Language
library	B-Library
for	O
object-relational	B-General_Concept
mapping	I-General_Concept
between	O
one	O
or	O
more	O
SQL	B-Language
databases	I-Language
and	O
Python	B-Language
objects	O
.	O
</s>
<s>
It	O
allows	O
Python	B-Language
developers	O
to	O
formulate	O
complex	O
queries	O
spanning	O
multiple	O
database	B-Application
tables	O
to	O
support	O
dynamic	O
storage	O
and	O
retrieval	O
of	O
object	O
information	O
.	O
</s>
<s>
MySQL	B-Application
,	O
PostgreSQL	B-Application
and	O
SQLite	B-Language
database	B-Application
support	O
is	O
built	O
into	O
Storm	O
,	O
and	O
the	O
API	B-General_Concept
allows	O
for	O
support	O
for	O
others	O
.	O
</s>
<s>
Storm	O
also	O
supports	O
the	O
Django	B-Language
and	O
Zope	B-Language
web	B-Application
frameworks	I-Application
natively	O
.	O
</s>
<s>
Twisted	B-Language
support	O
is	O
planned	O
for	O
the	O
.20	O
release	O
.	O
</s>
<s>
Storm	O
was	O
developed	O
at	O
Canonical	O
Ltd	O
.	O
in	O
Python	B-Language
for	O
use	O
in	O
the	O
Launchpad	B-Protocol
and	O
Landscape	B-Application
applications	O
and	O
subsequently	O
released	O
in	O
2007	O
as	O
free	B-Application
software	I-Application
.	O
</s>
<s>
The	O
project	O
is	O
free	B-Application
software	I-Application
and	O
released	O
under	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
and	O
contributors	O
are	O
required	O
to	O
assign	O
copyrights	O
to	O
Canonical	O
.	O
</s>
<s>
Version	O
control	O
is	O
done	O
in	O
bazaar	B-Protocol
and	O
issue	O
tracking	O
in	O
Launchpad	B-Protocol
.	O
</s>
<s>
https://launchpad.net/storm	O
2006-07-17	O
.	O
</s>
<s>
PostgreSQL	B-Application
disconnection	O
errors	O
are	O
now	O
more	O
reliably	O
detected	O
.	O
</s>
<s>
Support	O
in	O
the	O
postgres	B-Application
backend	O
to	O
use	O
the	O
RETURNING	O
extension	O
for	O
UPDATE	O
,	O
optionally	O
specifying	O
columns	O
to	O
return	O
.	O
</s>
<s>
Add	O
a	O
Distinct	O
expression	O
for	O
pre-pending	O
'	O
DISTINCT	O
 '	O
to	O
SQL	B-Language
expressions	O
.	O
</s>
<s>
Switch	O
to	O
REPEATABLE	O
READ	O
as	O
isolation	O
level	O
for	O
Postgres	B-Application
.	O
</s>
<s>
Add	O
support	O
for	O
two-phase	O
commits	O
(	O
PostgreSQL	B-Application
only	O
)	O
.	O
</s>
<s>
The	O
storm.zope.testing.ZStormResourceManager	O
supports	O
using	O
a	O
custom	O
URI	O
.	O
</s>
<s>
Provide	O
wrapped	O
cursor	O
objects	O
in	O
Django	B-Language
integration	O
layer	O
.	O
</s>
<s>
New	O
storm.twisted.transact	O
module	O
added	O
.	O
</s>
<s>
Storm	O
0.18	O
25	O
Oct	O
2010	O
Include	O
code	O
to	O
manage	O
and	O
migrate	O
database	B-Application
schemas	O
.	O
</s>
<s>
Added	O
a	O
storm.zope.testing.ZStormResourceManager	O
class	O
to	O
manage	O
a	O
set	O
of	O
stores	O
registered	O
.	O
</s>
<s>
'	O
make	O
doc	O
 '	O
uses	O
Pydoctor	O
to	O
generate	O
API	B-General_Concept
documentation	O
.	O
</s>
<s>
Add	O
support	O
for	O
latest	O
version	O
on	O
Django	B-Language
by	O
not	O
checking	O
arguments	O
passed	O
to	O
_cursor	O
.	O
</s>
<s>
A	O
new	O
storm.django	O
package	O
has	O
been	O
added	O
.	O
</s>
<s>
Support	O
in	O
the	O
postgres	B-Application
backend	O
to	O
use	O
the	O
RETURNING	O
extension	O
.	O
</s>
