[Numpy-discussion] Code Freeze for NumPy 1.7

[Ralf Gommers]

On Sun, Jul 15, 2012 at 5:57 PM, Nathaniel Smith <njs at pobox.com> wrote:

> On Sun, Jul 15, 2012 at 1:08 PM, Ralf Gommers
> <ralf.gommers at googlemail.com> wrote:
> >
> >
> > On Sun, Jul 15, 2012 at 12:45 AM, Travis Oliphant <travis at continuum.io>
> > wrote:
> >>
> >>
> >> Hey all,
> >>
> >> We are nearing a code-freeze for NumPy 1.7.   Are there any last-minute
> >> changes people are wanting to push into NumPy 1.7?  We should discuss
> them
> >> as soon as possible.
> >>
> >> I'm proposing a code-freeze at midnight UTC on July 18th (7:00pm CDT on
> >> July 17th).   This will allow the creation of beta releases of NumPy on
> the
> >> 18th of July. This is a few days later than originally hoped for ---
> largely
> >> due to unexpected travel schedules of Ondrej and I, but it does give
> people
> >> a few more days to get patches in.  Of course, we will be able to apply
> >> bug-fixes to the 1.7.x branch once the tag is made.
> >
> >
> > What about the tickets still open for 1.7.0
> > (http://projects.scipy.org/numpy/report/3)? There are a few important
> ones
> > left.
> >
> > These I would consider blockers:
> >   - #2108 Datetime failures with MinGW
>
> Is there a description anywhere of what the problem actually is here?
> I looked at the ticket, which referred to a PR, and it's hard to work
> out from the PR discussion what the actual remaining test failures are
> -- and there definitely doesn't seem to be any description of the
> underlying problem. (Something about working 64-bit time_t on windows
> being difficult depending on the compiler used?)
>

There's a lot more discussion on
http://projects.scipy.org/numpy/ticket/1909
https://github.com/numpy/numpy/pull/156
https://github.com/numpy/numpy/pull/161.

The issue is that for MinGW 3.x some _s / _t functions seem to be missing.
And we don't yet support MinGW 4.x.

Current issues can be seen from the last test log on our Windows XP
buildbot (June 29,
http://buildbot.scipy.org/builders/Windows_XP_x86/builds/1124/steps/shell_1/logs/stdio
):

======================================================================
ERROR: test_datetime_arange (test_datetime.TestDateTime)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot\numpy\b11\numpy-install\Lib\site-packages\numpy\core\tests\test_datetime.py",
line 1351, in test_datetime_arange
    assert_raises(ValueError, np.arange, np.datetime64('today'),
OSError: Failed to use '_localtime64_s' to convert to a local time

======================================================================
ERROR: test_datetime_y2038 (test_datetime.TestDateTime)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot\numpy\b11\numpy-install\Lib\site-packages\numpy\core\tests\test_datetime.py",
line 1706, in test_datetime_y2038
    a = np.datetime64('2038-01-20T13:21:14')
OSError: Failed to use '_gmtime64_s' to convert to a UTC time

======================================================================
ERROR: test_pydatetime_creation (test_datetime.TestDateTime)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot\numpy\b11\numpy-install\Lib\site-packages\numpy\core\tests\test_datetime.py",
line 467, in test_pydatetime_creation
    a = np.array(['today', datetime.date.today()], dtype='M8[D]')
OSError: Failed to use '_localtime64_s' to convert to a local time

======================================================================
ERROR: test_string_parser_variants (test_datetime.TestDateTime)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot\numpy\b11\numpy-install\Lib\site-packages\numpy\core\tests\test_datetime.py",
line 1054, in test_string_parser_variants
    assert_equal(np.array(['1980-02-29T01:02:03'], np.dtype('M8[s]')),
OSError: Failed to use '_gmtime64_s' to convert to a UTC time

======================================================================
ERROR: test_timedelta_scalar_construction_units (test_datetime.TestDateTime)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot\numpy\b11\numpy-install\Lib\site-packages\numpy\core\tests\test_datetime.py",
line 287, in test_timedelta_scalar_construction_units
    assert_equal(np.datetime64('2010-03-12T17').dtype,
OSError: Failed to use '_gmtime64_s' to convert to a UTC time

======================================================================
ERROR: Failure: OSError (Failed to use '_gmtime64_s' to convert to a UTC time)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\Python26\lib\site-packages\nose\loader.py", line 382, in
loadTestsFromName
    addr.filename, addr.module)
  File "C:\Python26\lib\site-packages\nose\importer.py", line 39, in
importFromPath
    return self.importFromDir(dir_path, fqname)
  File "C:\Python26\lib\site-packages\nose\importer.py", line 86, in
importFromDir
    mod = load_module(part_fqname, fh, filename, desc)
  File "C:\buildbot\numpy\b11\numpy-install\Lib\site-packages\numpy\core\tests\test_multiarray.py",
line 916, in <module>
    class TestArgmax(TestCase):
  File "C:\buildbot\numpy\b11\numpy-install\Lib\site-packages\numpy\core\tests\test_multiarray.py",
line 938, in TestArgmax
    np.datetime64('1994-06-21T14:43:15'),
OSError: Failed to use '_gmtime64_s' to convert to a UTC time
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