Python 3.7+: setlocale: LC_ALL: cannot change locale (C.UTF-8) from build/bin/sage-spkg and in doctests; disable use of system Python 3.6 #30053

dimpase · 2020-07-03T12:25:54Z

In #29033 in build/bin/sage-spkg LC_ALL was changed to C.UTF-8
However, not all systems have it.

See also:

Set LC_ALL=C to build PDF docs #22659

Follow-up:

After #30053, sphinx 3.1.2 does not build on ubuntu-{trusty,xenial,bionic}, debian-jessie, centos-7 (again) #30008 Fix sage-system-python
macOS: Doctest failures in some locales #30586 macOS: Doctest failures in some locales
Python 3.6: Fix locale/encoding issues in docbuild, then re-enable Python 3.6 #30576 Python 3.6: Fix locale/encoding issues, then re-enable Python 3.6

CC: @antonio-rojas @mkoeppe @slel @orlitzky @kiwifb @embray @fchapoton

Component: build

Author: Dima Pasechnik, Matthias Koeppe

Branch: be47518

Reviewer: Matthias Koeppe, Dima Pasechnik

Issue created by migration from https://trac.sagemath.org/ticket/30053

The text was updated successfully, but these errors were encountered:

dimpase · 2020-07-04T10:04:19Z

comment:3

an easy way out is just to check whether the locale change worked, and if not, use C locale, not C.UTF-8. Perhaps print a warning.

mkoeppe · 2020-07-04T15:26:48Z

comment:5

Replying to @dimpase:

an easy way out is just to check whether the locale change worked, and if not, use C locale, not C.UTF-8.

+1

dimpase · 2020-07-05T12:13:24Z

Author: Dima Pasechnik

dimpase · 2020-07-05T12:13:24Z

Commit: 37e042c

dimpase · 2020-07-05T12:13:24Z

New commits:

`37e042c`	`only use locale C.UTF-8 if available, else C`

dimpase · 2020-07-05T12:13:24Z

Branch: u/dimpase/build/careful_with_C_UTF8

kliem · 2020-07-05T13:06:50Z

comment:7

Either this ticket is a duplicate of #30008 or it should make #30008 obsolete.

kliem · 2020-07-05T13:15:46Z

comment:8

I started test runs:

https://github.com/kliem/sage/pull/20/checks

dimpase · 2020-07-05T15:19:40Z

comment:9

this ticket was a result of a bug report on Arch, not centos. Hopefully it works for #30008 too.

kliem · 2020-07-05T15:38:15Z

comment:10

Tests did not complete, because the 9.2.beta3 tests fail everywhere.

https://github.com/sagemath/sage/actions/runs/157607524

Is this a github issue or have we broken sage?

 Step 13/18 : RUN ./bootstrap
 ---> Running in 89427ef5c1c4
rm -rf config configure build/make/Makefile-auto.in
rm -f src/doc/en/installation/*.txt
rm -rf src/doc/en/reference/spkg/*.rst
rm -f src/doc/en/reference/repl/*.txt
src/doc/bootstrap:48: installing src/doc/en/installation/arch.txt and src/doc/en/installation/arch-optional.txt
src/doc/bootstrap:48: installing src/doc/en/installation/debian.txt and src/doc/en/installation/debian-optional.txt
src/doc/bootstrap:48: installing src/doc/en/installation/fedora.txt and src/doc/en/installation/fedora-optional.txt
src/doc/bootstrap:48: installing src/doc/en/installation/cygwin.txt and src/doc/en/installation/cygwin-optional.txt
src/doc/bootstrap:48: installing src/doc/en/installation/homebrew.txt and src/doc/en/installation/homebrew-optional.txt
src/doc/bootstrap:55: installing src/doc/en/reference/spkg/*.rst
src/doc/bootstrap:83: installing src/doc/en/reference/repl/options.txt
src/doc/bootstrap: line 84: src/doc/en/reference/repl/options.txt: No such file or directory
The command '/bin/sh -c ./bootstrap' returned a non-zero code: 1

kliem · 2020-07-05T15:39:49Z

comment:11

I just found #30064. Edit: I was cc on that, but I didn't realize how serious this is.

Ok. I'll run a new test then.

kliem · 2020-07-05T19:03:47Z

comment:12

This breaks building sphinx on windows.

https://github.com/kliem/sage/runs/838933940

Same error as #30008.

As far as I understand the problem is that we need some sort of UTF to make the sphinx build work.
It appears that on cygwin the default is better than C and C.UTF-8 does not work.
So maybe C is not the best alternative for C.UTF-8.

Btw, strangely centos 7 appears to work with the current beta. I don't know what happened. (And I don't know yet, if this behavior is stable).

kliem · 2020-07-06T05:53:58Z

comment:13

And it breaks centos 8.

embray · 2020-07-06T11:07:55Z

comment:14

Replying to @kliem:

This breaks building sphinx on windows.

https://github.com/kliem/sage/runs/838933940

Same error as #30008.

As far as I understand the problem is that we need some sort of UTF to make the sphinx build work.
It appears that on cygwin the default is better than C and C.UTF-8 does not work.
So maybe C is not the best alternative for C.UTF-8.

I'm not sure what you mean here. C.UTF-8 is supported on Cygwin and is in fact the default locale in absence of any other settings: https://www.cygwin.com/cygwin-ug-net/setup-locale.html

The default locale in the absence of the aforementioned locale environment variables is "C.UTF-8".

dimpase · 2020-07-06T11:13:59Z

comment:15

the error UnicodeEncodeError: 'ascii' codec can't encode character '\xe4' in position 45: ordinal not in range(128):

2020-07-05T16:29:58.1676169Z [sphinx-3.0.4.p0] installing. Log file: /cygdrive/d/a/sage/sage/logs/pkgs/sphinx-3.0.4.p0.log
2020-07-05T16:30:01.7883565Z   [sphinx-3.0.4.p0] error installing, exit status 1. End of log file:
2020-07-05T16:30:01.8141086Z   [sphinx-3.0.4.p0]   Found local metadata for sphinx-3.0.4.p0
2020-07-05T16:30:01.8155620Z   [sphinx-3.0.4.p0]   Attempting to download package Sphinx-3.0.4.tar.gz from mirrors
2020-07-05T16:30:01.8169727Z   [sphinx-3.0.4.p0]   http://mirrors.mit.edu/sage/spkg/upstream/sphinx/Sphinx-3.0.4.tar.gz
2020-07-05T16:30:01.8174798Z   [sphinx-3.0.4.p0]   [......................................................................]
2020-07-05T16:30:01.8191111Z   [sphinx-3.0.4.p0]   sphinx-3.0.4.p0
2020-07-05T16:30:01.8193080Z   [sphinx-3.0.4.p0]   ====================================================
2020-07-05T16:30:01.8197343Z   [sphinx-3.0.4.p0]   Setting up build directory for sphinx-3.0.4.p0
2020-07-05T16:30:01.8217424Z   [sphinx-3.0.4.p0]   Traceback (most recent call last):
2020-07-05T16:30:01.8221790Z   [sphinx-3.0.4.p0]     File "/cygdrive/d/a/sage/sage/build/bin/sage-uncompress-spkg", line 23, in <module>
2020-07-05T16:30:01.8222267Z   [sphinx-3.0.4.p0]       run()
2020-07-05T16:30:01.8222576Z   [sphinx-3.0.4.p0]     File "/cygdrive/d/a/sage/sage/build/bin/../sage_bootstrap/uncompress/cmdline.py", line 72, in run
2020-07-05T16:30:01.8222857Z   [sphinx-3.0.4.p0]       unpack_archive(archive, dirname)
2020-07-05T16:30:01.8223251Z   [sphinx-3.0.4.p0]     File "/cygdrive/d/a/sage/sage/build/bin/../sage_bootstrap/uncompress/action.py", line 68, in unpack_archive
2020-07-05T16:30:01.8223583Z   [sphinx-3.0.4.p0]       archive.extractall(members=archive.names)
2020-07-05T16:30:01.8223861Z   [sphinx-3.0.4.p0]     File "/cygdrive/d/a/sage/sage/build/bin/../sage_bootstrap/uncompress/tar_file.py", line 96, in extractall
2020-07-05T16:30:01.8224117Z   [sphinx-3.0.4.p0]       **kwargs)
2020-07-05T16:30:01.8224323Z   [sphinx-3.0.4.p0]     File "/usr/lib/python3.6/tarfile.py", line 2010, in extractall
2020-07-05T16:30:01.8224793Z   [sphinx-3.0.4.p0]       numeric_owner=numeric_owner)
2020-07-05T16:30:01.8225151Z   [sphinx-3.0.4.p0]     File "/usr/lib/python3.6/tarfile.py", line 2052, in extract
2020-07-05T16:30:01.8225442Z   [sphinx-3.0.4.p0]       numeric_owner=numeric_owner)
2020-07-05T16:30:01.8225898Z   [sphinx-3.0.4.p0]     File "/cygdrive/d/a/sage/sage/build/bin/../sage_bootstrap/uncompress/tar_file.py", line 122, in _extract_member
2020-07-05T16:30:01.8226166Z   [sphinx-3.0.4.p0]       **kwargs)
2020-07-05T16:30:01.8226601Z   [sphinx-3.0.4.p0]     File "/usr/lib/python3.6/tarfile.py", line 2122, in _extract_member
2020-07-05T16:30:01.8226883Z   [sphinx-3.0.4.p0]       self.makefile(tarinfo, targetpath)
2020-07-05T16:30:01.8227488Z   [sphinx-3.0.4.p0]     File "/usr/lib/python3.6/tarfile.py", line 2163, in makefile
2020-07-05T16:30:01.8227940Z   [sphinx-3.0.4.p0]       with bltn_open(targetpath, "wb") as target:
2020-07-05T16:30:01.8228249Z   [sphinx-3.0.4.p0]   UnicodeEncodeError: 'ascii' codec can't encode character '\xe4' in position 45: ordinal not in range(128)
2020-07-05T16:30:01.8228542Z   [sphinx-3.0.4.p0]   ************************************************************************
2020-07-05T16:30:01.8228988Z   [sphinx-3.0.4.p0]   Error: failed to extract /cygdrive/d/a/sage/sage/upstream/Sphinx-3.0.4.tar.gz
2020-07-05T16:30:01.8229264Z   [sphinx-3.0.4.p0]   ************************************************************************
2020-07-05T16:30:01.8229537Z   [sphinx-3.0.4.p0] Full log file: /cygdrive/d/a/sage/sage/logs/pkgs/sphinx-3.0.4.p0.log

dimpase · 2020-07-06T11:15:38Z

comment:16

could it be that locale on Cygwin is not installed by default?

However, https://www.cygwin.com/cygwin-ug-net/setup-locale.html says:

Note
For a list of locales supported by your Windows machine, use the new locale -a command, which is part of the Cygwin package. For a description see locale(1)

kliem · 2020-07-12T19:40:31Z

comment:17

Replying to @kliem:

I started test runs:

https://github.com/kliem/sage/pull/20/checks

I just started rerunning those tests on top of the current beta. Maybe that stuff just goes away by itself.

kliem · 2020-07-12T22:31:16Z

comment:18

Still causes this error.

antonio-rojas · 2020-07-23T19:31:26Z

comment:19

If the centos issue is caused by the sphinx upgrade (according to #30008), why is it blocking this? This is meant to fix another (very annoying) issue on Arch.

kliem · 2020-07-23T20:33:09Z

comment:20

It appears that #30008 fixed itself. However, this here broke the cygwin sphinx build, last I checked.

It have no clue what is going on, but with this ticket we go from passing to failing.

mkoeppe · 2020-07-23T21:09:47Z

comment:21

It seems a default setting on Cygwin is LANG=en_US.UTF-8. Perhaps we can try to only set LC_ALL if LANG is not already set or something like this.

mkoeppe · 2020-07-23T22:42:32Z

comment:22

Also it should be investigated whether it was really necessary to add this line in #29033 to achieve Python 3.6 support. In particular note that sage-uncompress-spkg uses sage-system-python (which can even be python2) -- which really has nothing to do with Python 3.6 support (which is about PYTHON_FOR_VENV).

orlitzky · 2020-08-05T14:19:41Z

comment:25

What problems arise if we drop the locale mangling entirely? Trac #15791 doesn't mention a problem.

sagetrac-git · 2020-09-16T15:06:56Z

Branch pushed to git repo; I updated commit sha1 and set ticket back to needs_review. New commits:

`ff6f4a6`	`assume Python 3.7 or better`

sagetrac-git · 2020-09-16T15:06:56Z

Changed commit from e5f6663 to ff6f4a6

dimpase · 2020-09-16T15:07:27Z

comment:81

OK, so how about this?

orlitzky · 2020-09-16T15:17:21Z

comment:82

I think that's the best solution, possibly combined with dropping 3.6 from the list of system pythons that we accept. Portability is nice and all, but we're wasting a lot of time trying to support an evolutionary dead-end with py3.6.

mkoeppe · 2020-09-16T16:16:57Z

comment:83

Fine with me - then please also adjust python3's spkg-configure...

sagetrac-git · 2020-09-16T16:46:38Z

Changed commit from ff6f4a6 to 64c3a8a

sagetrac-git · 2020-09-16T16:46:38Z

Branch pushed to git repo; I updated commit sha1. New commits:

`64c3a8a`	`only test python3, to be 3.7 or 3.8`

dimpase · 2020-09-16T16:47:47Z

comment:85

Replying to @mkoeppe:

Fine with me - then please also adjust python3's spkg-configure...

fixed, as discussed - only test python3, to be either 3.7 or 3.8.

Please review

mkoeppe · 2020-09-16T17:11:21Z

Changed branch from u/dimpase/build/careful_with_C_UTF8 to u/mkoeppe/build/careful_with_C_UTF8

mkoeppe · 2020-09-16T17:12:24Z

comment:87

I have made an adjustment. I don't like mixing the change discussed in #30546 into this ticket

New commits:

`be47518`	`build/pkgs/python3/spkg-configure.m4: Use 'python >= 3.7'; keep checking for 'python3.8, python3.7'`

mkoeppe · 2020-09-16T17:12:24Z

Changed commit from 64c3a8a to be47518

mkoeppe · 2020-09-16T17:14:37Z

comment:88

Rationale: The changed search behavior would lead to confusing reports on sage-release.

mkoeppe · 2020-09-16T17:16:57Z

Changed author from Dima Pasechnik to Dima Pasechnik, Matthias Koeppe

vbraun · 2020-09-19T13:24:05Z

Changed branch from u/mkoeppe/build/careful_with_C_UTF8 to be47518

mkoeppe · 2020-09-21T05:38:44Z

Changed commit from be47518 to none

dimpase added this to the sage-9.2 milestone Jul 3, 2020

dimpase added the p: major / 3 label Jul 3, 2020

dimpase added t: bug labels Jul 4, 2020

dimpase added the s: needs review label Jul 5, 2020

kliem added s: needs work and removed s: needs review labels Jul 5, 2020

sagetrac-git mannequin added s: needs review and removed s: positive review labels Sep 16, 2020

mkoeppe added s: positive review and removed s: needs review labels Sep 16, 2020

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mkoeppe changed the title ~~Python 3.7+: setlocale: LC_ALL: cannot change locale (C.UTF-8) from build/bin/sage-spkg and in doctests~~ Python 3.7+: setlocale: LC_ALL: cannot change locale (C.UTF-8) from build/bin/sage-spkg and in doctests; disable use of system Python 3.6 Sep 16, 2020

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vbraun removed the s: positive review label Sep 19, 2020

vbraun closed this as completed in a760832 Sep 19, 2020

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orlitzky mentioned this issue Sep 21, 2020

After #30053, sphinx 3.1.2 does not build on ubuntu-{trusty,xenial,bionic}, debian-jessie, centos-7 (again) #30008

Closed

This was referenced Oct 20, 2020

Support Python 3.9 #30184

Closed

Drop Python 3.6 support #30551

Closed

Python 3.7+: setlocale: LC_ALL: cannot change locale (C.UTF-8) from build/bin/sage-spkg and in doctests; disable use of system Python 3.6 #30053

Python 3.7+: setlocale: LC_ALL: cannot change locale (C.UTF-8) from build/bin/sage-spkg and in doctests; disable use of system Python 3.6 #30053

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