#15985: Python 3 preparation: Fix implicit relative imports (from sibling
modules)
-------------------------------------+-------------------------------------
Reporter: wluebbe | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.2
Component: distribution | Resolution:
Keywords: python3 | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/wluebbe/ticket/15985 | 502ac5c98586116e74521bde30fb4c84edb507f5
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Changes (by wluebbe):
* status: needs_review => needs_work
Comment:
Ticket needs work :-(
make failed while building html-doc:
{{{
byte-compiling /home/wluebbe/sage-6.2.beta4/local/lib/python2.7/site-
packages/sage/probability/random_variable.py to random_variable.pyc
running install_egg_info
Removing /home/wluebbe/sage-6.2.beta4/local/lib/python2.7/site-
packages/sage-6.2.beta5-py2.7.egg-info
Writing /home/wluebbe/sage-6.2.beta4/local/lib/python2.7/site-
packages/sage-6.2.beta5-py2.7.egg-info
real 10m2.009s
user 35m33.530s
sys 0m48.657s
[ -f local/etc/sage-started.txt ] || local/bin/sage-starts
build/pipestatus "./sage --docbuild --no-pdf-links all html 2>&1" "tee -a
logs/dochtml.log"
Traceback (most recent call last):
File "/home/wluebbe/sage-6.2.beta4/src/doc/common/builder.py", line
1465, in <module>
import sage.all
File "/home/wluebbe/sage-6.2.beta4/local/lib/python2.7/site-
packages/sage/all.py", line 87, in <module>
from sage.misc.all import * # takes a while
File "/home/wluebbe/sage-6.2.beta4/local/lib/python2.7/site-
packages/sage/misc/all.py", line 94, in <module>
from .functional import (additive_order,
File "/home/wluebbe/sage-6.2.beta4/local/lib/python2.7/site-
packages/sage/misc/functional.py", line 37, in <module>
from sage.rings.complex_double import CDF
File "integer.pxd", line 9, in init sage.rings.complex_double
(sage/rings/complex_double.c:17880)
File "integer.pyx", line 179, in init sage.rings.integer
(sage/rings/integer.c:40148)
File "/home/wluebbe/sage-6.2.beta4/local/lib/python2.7/site-
packages/sage/rings/infinity.py", line 203, in <module>
import sage.rings.rational
File "fast_arith.pxd", line 5, in init sage.rings.rational
(sage/rings/rational.c:29096)
File "fast_arith.pyx", line 51, in init sage.rings.fast_arith
(sage/rings/fast_arith.c:8036)
File "integer_ring.pyx", line 65, in init sage.rings.integer_ring
(sage/rings/integer_ring.c:12457)
File "/home/wluebbe/sage-6.2.beta4/local/lib/python2.7/site-
packages/sage/rings/rational_field.py", line 54, in <module>
from . import rational
ImportError: cannot import name rational
make: *** [doc-html] Error 1
}}}
The problem occurs while trying to import the cython module
{{{ration.pyx}}}. But {{{rational.so}}}is in the same subdir. So the
explicit relative import should succeed.
{{{
wluebbe@Willis-Ubuntu:~/sage-6.2.beta4/local/lib/python2.7/site-
packages/sage/rings$ ls -l ratio*
-rw-r--r-- 1 wluebbe wluebbe 28433 Apr 1 10:58 rational_field.py
-rw-r--r-- 1 wluebbe wluebbe 34240 Apr 1 11:08 rational_field.pyc
-rwxr-xr-x 1 wluebbe wluebbe 1666692 Apr 1 11:06 rational.so
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/15985#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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