Here is a test case that fails with the sqlalchemy-trunk. Create 2
files, in the first:
import mx.DateTime as mxDateTime
from sqlalchemy import *
e = create_engine("postgres://database=test", echo=True)
test = Table("test", e,
Column("id", String, primary_key=True),
Column("date", DateTime),
)
class Test(object):
pass
Test.mapper = mapper(Test, test)
try:
test.drop()
except:
pass
test.create()
date = mxDateTime.now()
t = Test()
t.id = '1'
t.date = date
objectstore.flush()
s = Test.mapper.get_by(id='1')
print mxDateTime.Age(mxDateTime.now(), s.date)
The last line of the output of this program is correct:
YYYY-MM-DD HH:MM:(+00)
(because the timedelta is zero).
Now in another file, do this (I've just removed the drop/create/
inserts):
import mx.DateTime as mxDateTime
from sqlalchemy import *
e = create_engine("postgres://database=test", echo=True)
test = Table("test", e,
Column("id", String, primary_key=True),
Column("date", DateTime),
)
class Test(object):
pass
Test.mapper = mapper(Test, test)
s = Test.mapper.get_by(id='1')
print mxDateTime.Age(mxDateTime.now(), s.date)
This fails with:
Traceback (most recent call last):
File "saDateTest2.py", line 15, in ?
print mxDateTime.Age(mxDateTime.now(), s.date)
File "/usr/lib/python2.3/site-packages/mx/DateTime/DateTime.py",
line 842, in RelativeDateTimeDiff
diff = date1 - date2
TypeError: unsupported operand type(s) for -: 'DateTime' and
'datetime.datetime'
So the type of test.date is different between the two. I'd assume it
should always be an mx.DateTime, so that I can use it in mx methods
such as Age() without a lot of trouble.
I'm not sure if this is related:
http://article.gmane.org/gmane.comp.python.sqlalchemy.user/1672
--
Dimi Shahbaz, Software Engineer Specialist
California PASS Program
www.cyberhigh.fcoe.k12.ca.us
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