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Sinbiosis
n00b
Joined: 03 Oct 2022
Posts: 30
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 Posted: Sun Jul 23, 2023 12:34 pm Post subject: [Solved] omegaconf can't generate parser for python3 |
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I'm creating an ebuild for the omegaconf python module. The ebuild file currently looks like so:
| Code: | # Copyright 2022-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_USE_PEP517=setuptools
PYTHON_COMPAT=( python3_{10..11} )
inherit distutils-r1
DESCRIPTION="Flexible Python configuration system. The last one you will ever need."
HOMEPAGE="
https://pypi.org/project/omegaconf
https://github.com/omry/omegaconf
"
SRC_URI="
https://github.com/omry/${PN}/archive/v${PV}.tar.gz
-> ${P}.gh.tar.gz
"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64"
IUSE=""
RDEPEND="
dev-python/mypy[${PYTHON_USEDEP}]
dev-python/pyyaml[${PYTHON_USEDEP}]
dev-python/antlr4-python3-runtime[${PYTHON_USEDEP}]
"
BDEPEND="
test? (
${RDEPEND}
)
"
distutils_enable_tests pytest |
When emerging the package, I get the following error:
| Code: | user@host % sudo emerge -av --oneshot dev-python/omegaconf
....
2023-07-23 08:26:41,277 root INFO running antlr
2023-07-23 08:26:41,277 root INFO Generating parser for Python3: ['java', '-jar', '/var/tmp/portage/dev-python/omegaconf-2.3.0/work/omegaconf-2.3.0/build_helpers/bin/antlr-4.9.3-complete.jar', '-Dlanguage=Python3', '-o', '/var/tmp/portage/dev-python/omegaconf-2.3.0/work/omegaconf-2.3.0/omegaconf/grammar/gen', '-Xexact-output-dir', '-visitor', '/var/tmp/portage/dev-python/omegaconf-2.3.0/work/omegaconf-2.3.0/omegaconf/grammar/OmegaConfGrammarLexer.g4']
2023-07-23 08:26:41,280 root CRITICAL ===========================================================================
| Unable to generate parsers: [Errno 2] No such file or directory: 'java' |
===========================================================================
* ERROR: dev-python/omegaconf-2.3.0::localrepo failed (compile phase):
* Wheel build failed
*
* Call stack:
* ebuild.sh, line 136: Called src_compile
* environment, line 3827: Called distutils-r1_src_compile
* environment, line 1845: Called _distutils-r1_run_foreach_impl 'distutils-r1_python_compile'
* environment, line 745: Called python_foreach_impl 'distutils-r1_run_phase' 'distutils-r1_python_compile'
* environment, line 3447: Called multibuild_foreach_variant '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'distutils-r1_python_compile'
* environment, line 3002: Called _multibuild_run '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'distutils-r1_python_compile'
* environment, line 3000: Called _python_multibuild_wrapper 'distutils-r1_run_phase' 'distutils-r1_python_compile'
* environment, line 1125: Called distutils-r1_run_phase 'distutils-r1_python_compile'
* environment, line 1827: Called distutils-r1_python_compile
* environment, line 1646: Called distutils_pep517_install '/var/tmp/portage/dev-python/omegaconf-2.3.0/work/omegaconf-2.3.0-python3_11/install'
* environment, line 2185: Called die
* The specific snippet of code:
* [[ -n ${wheel} ]] || die "No wheel name returned";
*
* If you need support, post the output of `emerge --info '=dev-python/omegaconf-2.3.0::localrepo'`,
* the complete build log and the output of `emerge -pqv '=dev-python/omegaconf-2.3.0::localrepo'`.
* The complete build log is located at '/var/tmp/portage/dev-python/omegaconf-2.3.0/temp/build.log'.
* The ebuild environment file is located at '/var/tmp/portage/dev-python/omegaconf-2.3.0/temp/environment'.
* Working directory: '/var/tmp/portage/dev-python/omegaconf-2.3.0/work/omegaconf-2.3.0'
* S: '/var/tmp/portage/dev-python/omegaconf-2.3.0/work/omegaconf-2.3.0'
>>> Failed to emerge dev-python/omegaconf-2.3.0, Log file:
.... |
The issue to me seems to be this line:
| Code: | 2023-07-23 08:26:41,277 root INFO Generating parser for Python3: ['java', '-jar', '/var/tmp/portage/dev-python/omegaconf-2.3.0/work/omegaconf-2.3.0/build_helpers/bin/antlr-4.9.3-complete.jar', '-Dlanguage=Python3', '-o', '/var/tmp/portage/dev-python/omegaconf-2.3.0/work/omegaconf-2.3.0/omegaconf/grammar/gen', '-Xexact-output-dir', '-visitor', '/var/tmp/portage/dev-python/omegaconf-2.3.0/work/omegaconf-2.3.0/omegaconf/grammar/OmegaConfGrammarLexer.g4']
2023-07-23 08:26:41,280 root CRITICAL ===========================================================================
| Unable to generate parsers: [Errno 2] No such file or directory: 'java' | |
But what I can't tell is if this means I'm missing a dependency or if there is a deeper issue going on. Any help would be appreciated!
Last edited by Sinbiosis on Sun Jul 23, 2023 2:37 pm; edited 1 time in total |
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Hu
Moderator
Joined: 06 Mar 2007
Posts: 21635
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| Posted: Sun Jul 23, 2023 2:15 pm Post subject: |
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The upstream build expects to run java as part of generating Python code. This seems weird. As a Python project, it would make more sense to use a Python script to generate their file.
You need to instruct Portage to install a JRE before building this. The upstream documentation is completely unhelpful on this point, as they just assume pip will magically handle everything. As a first try, I suggest adding virtual/jre to BDEPEND. This may not be sufficient, depending on what Java libraries they assume they can import. |
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Sinbiosis
n00b
Joined: 03 Oct 2022
Posts: 30
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| Posted: Sun Jul 23, 2023 2:36 pm Post subject: |
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| Hu wrote: | The upstream build expects to run java as part of generating Python code. This seems weird. As a Python project, it would make more sense to use a Python script to generate their file.
You need to instruct Portage to install a JRE before building this. The upstream documentation is completely unhelpful on this point, as they just assume pip will magically handle everything. As a first try, I suggest adding virtual/jre to BDEPEND. This may not be sufficient, depending on what Java libraries they assume they can import. |
Well it seems that was the solution. Thanks! |
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