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  • pybuild: Build-testing with the package installed

    From Matthias Urlichs@21:1/5 to All on Thu Nov 14 14:20:01 2024
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    <p>Hi,</p>
    <p>I'm trying to locally build a fixed version of a buggy package
    which happens to be installed on the system.</p>
    <p>"debuild -b -us -uc" reports:</p>
    <pre>Successfully built moat_lib_codec-0.2.2-py3-none-any.whl
    I: pybuild plugin_pyproject:144: Unpacking wheel built for python3.12 with "installer" module
       dh_auto_test -O--buildsystem=pybuild
    dh_auto_test: warning: Use of debian/compat is deprecated and will be removed in debhelper (&gt;=14~).
    I: pybuild base:311: cd /src/moat/lib/codec/.pybuild/cpython3_3.12_moat-lib-codec/build; python3.12 -m pytest tests</pre>
    <p>Note the nonexistence of "PYTHONPATH=." in this command line,
    which causes the test suite to use the installed version, which
    subsequently fails (that's the whole point of having a
    comprehensive test suite, after all …).</p>
    <p>Is it possible to teach pybuild to do this the right way? I could
    always add a "override_dh_auto_test" stanza that calls pytest
    manually, but the whole point of standardized packaging is not
    having to do stuff like that.</p>
    <p>The package is at
    <a class="moz-txt-link-freetext" href="https://github.com/M-o-a-T/moat-lib-codec/tree/deb">https://github.com/M-o-a-T/moat-lib-codec/tree/deb</a> (sorry, moving
    to Codeberg+Salsa hasn't quite reached the top of my TODO list …)
    if anybody wants to take a closer look.<br>
    </p>
    <pre class="moz-signature" cols="72">--
    -- regards,
    --
    -- Matthias Urlichs</pre>
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  • From Andrey Rakhmatullin@21:1/5 to Matthias Urlichs on Thu Nov 14 14:30:01 2024
    On Thu, Nov 14, 2024 at 01:38:29PM +0100, Matthias Urlichs wrote:
    Hi,

    I'm trying to locally build a fixed version of a buggy package which happens to be installed on the system.

    "debuild -b -us -uc" reports:

    Successfully built moat_lib_codec-0.2.2-py3-none-any.whl
    I: pybuild plugin_pyproject:144: Unpacking wheel built for python3.12 with "installer" module
       dh_auto_test -O--buildsystem=pybuild
    dh_auto_test: warning: Use of debian/compat is deprecated and will be removed in debhelper (>=14~).
    I: pybuild base:311: cd /src/moat/lib/codec/.pybuild/cpython3_3.12_moat-lib-codec/build; python3.12 -m pytest tests

    Note the nonexistence of "PYTHONPATH=." in this command line

    python -m does that for you, doesn't it?

    which causes the test suite to use the installed version

    I expect the problem to be caused by something else.




    --
    WBR, wRAR

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  • From Stefano Rivera@21:1/5 to All on Thu Nov 14 15:00:01 2024
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  • From Matthias Urlichs@21:1/5 to All on Sun Nov 17 12:20:01 2024
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    <pre>Hello,

    &gt;&gt; I: pybuild base:311: cd /src/moat/lib/codec/.pybuild/cpython3_3.12_moat-lib-codec/build; python3.12 -m pytest tests

    &gt; What I don't see there is what's failing.

    Well neither did I. The rest of the log showed a perfectly normal, if failing, test run;
    the fact that it happened to use the system packages didn't even show up in the traceback.

    I had to intentionally break a /usr/lib/python3/dist-packages/moat/lib/codec/__init__.py
    in order to even prove that this happened, and posting the backtrace (in addition
    to writing about it) didn't seem to add any useful information, thus I didn't.

    &gt; The package should have been installed into build directory.

    Yes, the package itself has been installed there. Looking into this further, the problem is the files that are *not* in the package.
    Specifically, "moat/__init__.py" and "moat/lib/__init__.py" are not copied in from the source tree,
    and without them Python refuses to recognize the copy.

    Ugh.

    Do we have any other namespaced packages in the archive? How do *they* handle this?
    </pre>
    <p></p>
    <pre class="moz-signature" cols="72">--
    -- regards
    --
    -- Matthias Urlichs</pre>
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