[Pypgsql-devel] [ pypgsql-Bugs-1103260 ] comparison with float fails on Python 2.4

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Bugs item #1103260, was opened at 2005-01-16 19:57
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Category: PgInt2
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Andrew I MacIntyre (aimacintyre)
Assigned to: Nobody/Anonymous (nobody)
Summary: comparison with float fails on Python 2.4

Initial Comment:
Running the regression test of pyPgSQL 2.4 on a build
for Python 2.4 has 2 failures:

...............FF.................................................
======================================================================
FAIL: CheckPgInt2 (__main__.PgSQLTestModuleInterface)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "PgSQLTestCases.py", line 216, in CheckPgInt2
    self.failUnless(a == 181.0, 'PgInt2 comparison to
Float failed.')
AssertionError: PgInt2 comparison to Float failed.

======================================================================
FAIL: CheckPgInt8 (__main__.PgSQLTestModuleInterface)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "PgSQLTestCases.py", line 184, in CheckPgInt8
    'PgInt8 comparison to Float failed.')
AssertionError: PgInt8 comparison to Float failed.

----------------------------------------------------------------------
Ran 66 tests in 36.950s

FAILED (failures=2)

The regression test has no failures when built with
Python 2.3.4.

This is on OS/2 EMX - I can't test this on another
platform at the moment :-(

I have done some debugging, and the issue appears to
arise from the int2_coerce()/int8_coerce() functions. 
I have been able to modify these functions to get these
tests to pass, but then the ability to add other number
types with PgInt2/PgInt8 objects fails....

For what its worth, I've attached the patch I came up
with for reference purposes (I don't believe its
suitable for application to the source tree).  This
patch is based on behaviour I inferred from the way
that the Python native numeric types have their
coercion routines written.

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