GNU bug report logs - #38464
python-hy REPL is unusable

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jesse Gibbons <jgibbons2357 <at> gmail.com>
To: bug-guix mailing list <bug-guix <at> gnu.org>
Subject: python-hy REPL is unusable
Date: Mon, 02 Dec 2019 17:16:32 -0700

[Message part 1 (text/plain, inline)]

1. install python-hy
2. run hy3 (to make sure it's setup to use python 3.7.4)
3. press <return> with or without typing anything.
It prints the following error at the end of a long stack trace:

ImportError: invalid flags 1495674643 in 'hy.core.language'

This also happens when using hy2py3, and I have attached a sample stack
trace from hy2py3.

If python2-hy is installed (configured to use the python 2.7, which is
appraching end-of-life), the hy2 REPL and hy2py2 work just fine.

- Does hy fail similarly on other systems, or is this a guix problem?
- If this is a guix issue, what is the best way to fix it?

[err.txt (text/plain, attachment)]

Message #8 received at 38464 <at> debbugs.gnu.org (full text, mbox):

From: Jesse Gibbons <jgibbons2357 <at> gmail.com>
To: 38464 <at> debbugs.gnu.org
Subject: Re: bug#38464: python-hy REPL is unusable
Date: Mon, 02 Dec 2019 17:37:26 -0700

On Mon, 2019-12-02 at 17:16 -0700, Jesse Gibbons wrote:
> 1. install python-hy
> 2. run hy3 (to make sure it's setup to use python 3.7.4)
> 3. press <return> with or without typing anything.
> It prints the following error at the end of a long stack trace:
> 
> ImportError: invalid flags 1495674643 in 'hy.core.language'
> 
> This also happens when using hy2py3, and I have attached a sample stack
> trace from hy2py3.
> 
> If python2-hy is installed (configured to use the python 2.7, which is
> appraching end-of-life), the hy2 REPL and hy2py2 work just fine.
> 
> - Does hy fail similarly on other systems, or is this a guix problem?
Looks like a guix problem.
> - If this is a guix issue, what is the best way to fix it?
We need to update this thing!
> 
> 
hy 0.17.0 was released in May this year. Is there a reason it is still
0.13.0 (released June 2017) in guix? Support for 3.7 was added in 0.15
according to the notes, so of course it's going to crash.
Note that the notes for 0.17.0 says it will be the last version to support
python2.

I will send a patch after guix builds with the changes.

Message #11 received at 38464 <at> debbugs.gnu.org (full text, mbox):

From: Jesse Gibbons <jgibbons2357 <at> gmail.com>
To: 38464 <at> debbugs.gnu.org
Subject: Re: bug#38464: python-hy REPL is unusable
Date: Mon, 09 Dec 2019 19:42:22 -0700

On Mon, 2019-12-02 at 17:16 -0700, Jesse Gibbons wrote:
> 1. install python-hy
> 2. run hy3 (to make sure it's setup to use python 3.7.4)
> 3. press <return> with or without typing anything.
> It prints the following error at the end of a long stack trace:
> 
> ImportError: invalid flags 1495674643 in 'hy.core.language'
> 
> This also happens when using hy2py3, and I have attached a sample stack
> trace from hy2py3.
> 
> If python2-hy is installed (configured to use the python 2.7, which is
> appraching end-of-life), the hy2 REPL and hy2py2 work just fine.
> 
> - Does hy fail similarly on other systems, or is this a guix problem?
> - If this is a guix issue, what is the best way to fix it?
> 
> 
This should be fixed with the patch series in bug#38554.

Message #16 received at 38464-done <at> debbugs.gnu.org (full text, mbox):

From: Royce Strange <royball <at> disroot.org>
To: 38464-done <at> debbugs.gnu.org
Subject: python-hy REPL is unusable
Date: Tue, 16 Jun 2020 23:24:43 -0500

Hello.

The patch series that Jesse Gibbons submitted in bug#38554 were applied 
in commits:
6b520177734e1c144fd6394f801919d0b54fa23e
c5eb8cf844148fb99934c3fedc3b4a0da55f9d8e
c215051dcf30b11c755aea4e2527b4d3d91c34bb

Briefly validated that the reported issue of the repl
being unusable seems fixed:

-----
$ guix --version
guix (GNU Guix) e7a7a483bcda6ec60d9dff3b3aba88dababe035c

$ guix environment --pure --ad-hoc python-hy -- hy3
hy 0.18.0 using CPython(default) 3.8.2 on Linux
=> (+ 1 2)
3
=> 
=> 
-----

Going to go ahead and close.

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