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* Inconsistencies in Package Transformation?
@ 2021-05-18 21:01 Phil Beadling
  2021-05-18 21:30 ` Julien Lepiller
  0 siblings, 1 reply; 2+ messages in thread
From: Phil Beadling @ 2021-05-18 21:01 UTC (permalink / raw)
  To: help-guix

Hi all,

I've read through this link:
https://guix.gnu.org/manual/en/html_node/Package-Transformation-Options.html

But I seem to get unexpected outcomes in some examples - see below.

Any advice or confirmation that this is a bug or misuse by me?

Thanks,
Phil.

A simple case of package transformation without any dependencies seems to
work fine - for example, let's upgrade pandas to v1.1.5:

































*$ guix package -i python-pandas python -p ~/profiles/pandas-1.1.5
--with-git-url=python-pandas=https://github.com/pandas-dev/pandas.git
<https://github.com/pandas-dev/pandas.git>
--with-commit=python-pandas=v1.1.5 --without-tests=python-pandasThe
following packages will be installed:   python        3.8.2   python-pandas
1.1.5updating checkout of 'https://github.com/pandas-dev/pandas.git'.
<https://github.com/pandas-dev/pandas.git'.>..retrieved commit
af3e67970ff8e9e3eccfef54c8de96f850e36912The following derivation will be
built:   /gnu/store/cd045q1l75wx59d62f1b8sb6p92yjf4d-profile.drvbuilding CA
certificate bundle...listing Emacs sub-directories...building fonts
directory...building directory of Info manuals...building database for
manual pages...building profile with 2 packages...hint: Consider setting
the necessary environment variables by running:
 GUIX_PROFILE="/home/phil/profiles/pandas-1.1.5"     .
"$GUIX_PROFILE/etc/profile"Alternately, see `guix package --search-paths -p
"/home/phil/profiles/pandas-1.1.5"'.$
GUIX_PROFILE="/home/phil/profiles/pandas-1.1.5"$ .
"$GUIX_PROFILE/etc/profile"$ python3Python 3.8.2 (default, Jan  1 1970,
00:00:01)[GCC 7.5.0] on linuxType "help", "copyright", "credits" or
"license" for more information.>>> import pandas as pd>>>
pd.__version__'0+unknown'>>>*

The right commit is taken from github, and after the build we use the
profile to access our new version of pandas (the 0+unknown version I think
is caused by building from git).


Next, I try exactly the same transformation, but I want to instead build
one of my own applications which has python-pandas as propagated input.  My
understanding from the docs is this should work find as a deep
transformation should occur?



























*$ guix package -i foo python -p ~/profiles/foo-pandas-1.1.5
--with-git-url=python-pandas=https://github.com/pandas-dev/pandas.git
<https://github.com/pandas-dev/pandas.git>
--with-commit=python-pandas=v1.1.5 --without-tests=python-pandas
--without-tests=python-dask --without-tests=fooThe following packages will
be installed:   python 3.8.2   foo 3.196.0updating checkout of
'ssh://git@bitbucket:7999/foo/foo.git'...retrieved commit
a723e52bec22ca36bbfda62f34a1f46e0065b7eaupdating checkout of
'https://github.com/pandas-dev/pandas.git'.
<https://github.com/pandas-dev/pandas.git'.>..retrieved commit
af3e67970ff8e9e3eccfef54c8de96f850e36912hint: Consider setting the
necessary environment variables by running:
 GUIX_PROFILE="/home/phil/profiles/simm-pandas-1.1.5"     .
"$GUIX_PROFILE/etc/profile"Alternately, see `guix package --search-paths -p
"/home/phil/profiles/simm-pandas-1.1.5"'.$
GUIX_PROFILE="/home/phil/profiles/simm-pandas-1.1.5"$ .
"$GUIX_PROFILE/etc/profile"$ python3Python 3.8.2 (default, Jan  1 1970,
00:00:01)[GCC 7.5.0] on linuxType "help", "copyright", "credits" or
"license" for more information.>>> import pandas as pd>>>
pd.__version__'1.1.2'>>>*

Everything looks to be going to plan, but when I import pandas using the
new profile I get version *1.1.2* - which is my standard untransformed
python-pandas package - no replacement has taken place, despite the process
reporting the correct location and commit id for the pandas checkout.


This either looks like a) a bug, or b) I've misunderstood the scope of the
transformation syntax.


One last detail - my own definiton of python-pandas v1.1.2 inherits from
the gnu package in Guix.  Whilst I inherit the name python-pandas the
actual package is called python-pandas-foo, and it is referenced in foo's
package's propagated inputs like this:
*("python-pandas" ,python-pandas-foo)*

Package definition snippet:










*(define-public python-pandas-foo  (package    (inherit python-pandas)
(version "1.1.2")    (source     (origin       (method url-fetch)
 (uri (pypi-uri "pandas" version))       (sha256        (base32
"0i0lbp26kzbq1qa4rv2s2r42m9d95svjrfflmi01plygla3zskxn")))) .... and so on*

I don't think this last detail should matter, but I include is as the only
other significant detail that may differ from other systems.

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2021-05-18 21:01 Inconsistencies in Package Transformation? Phil Beadling
2021-05-18 21:30 ` Julien Lepiller

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