deja-dup: BackendException: Could not initialize backend: cannot import name Gio, introspection typelib not found

[jdev082]

Describe the bug

Upon attempting to start the backup process, the following error is shown, resulting in the backup failing to start:

BackendException: Could not initialize backend: cannot import name Gio, introspection typelib not found

Steps To Reproduce

Steps to reproduce the behavior:

1. Open deja-dup (Backups)
2. Attempt to create a backup

Expected behavior

Backup run properly without issues

Screenshots

Additional context

Similar to #310408, but with a different Python library (Gio)

Notify maintainers

@jtojnar

Metadata

Please run nix-shell -p nix-info --run "nix-info -m" and paste the result.

 - system: `"x86_64-linux"`
 - host os: `Linux 6.8.9, NixOS, 24.05 (Uakari), 24.05.20240507.b211b39`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.18.2`
 - nixpkgs: `/nix/store/f0ssy3p6898x9k880l23mhd0fl6rvrb2-source`

---

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[jdev082]

I have located the derivation files for both the working and non-working version.

working: g903578rcwznx3v4mlsi8918kxkajqfs-deja-dup-45.2.drv

Derive([("out","/nix/store/iaqb8fvz6h9zr7vfr7n2fr12r0y0ws9k-deja-dup-45.2","","")],[("/nix/store/09bs4iiqlddgrj52w5nwwsrrhdxmv96z-pkg-config-wrapper-0.29.2.drv",["out"]),("/nix/store/46y8i21scnrmq2r6gniysi2xhqn890cj-glib-2.78.4.drv",["dev"]),("/nix/store/5aws7nq063hn8y9dl0g77sqm3ydmrj6l-duplicity-2.2.3.drv",["out"]),("/nix/store/6vsam3p53g5c2rwwxhvacqsj2ybq1zaa-json-glib-1.8.0.drv",["dev"]),("/nix/store/806qvx6isvzs0riwa6i3fs03l2kqmknb-itstool-2.0.7.drv",["out"]),("/nix/store/8hrgriy5kv3vc2bxk0byzcx98ki81m9k-vala-0.56.14.drv",["out"]),("/nix/store/96j7mvs5427kbfbg02zbf3586gnsr7b6-stdenv-linux.drv",["out"]),("/nix/store/ady1kzw5mnsgxbj9qyggzc10p2pa2ggj-source.drv",["out"]),("/nix/store/b7sy3z8xvpi8054gafnzr1a2qwv6fzz1-fix-paths.patch.drv",["out"]),("/nix/store/bgd8gsjrwh6il5liknzazi38rxq0vkhv-gtk4-4.12.5.drv",["dev"]),("/nix/store/cjiw653rjms9c5f3bq9ng7y18jq04ibv-ninja-1.11.1.drv",["out"]),("/nix/store/dq5738y758dr0q049v6nhp5a8a72jccb-libsecret-0.21.4.drv",["dev"]),("/nix/store/jnm2249gyarbs1nir7mzam257fgamrpf-bash-5.2p26.drv",["out"]),("/nix/store/lbab1csmvjgkq6wxsjcmk5wz6l3gq09k-meson-1.4.0.drv",["out"]),("/nix/store/lsal7hz78r4biszlvn357blzn1yi96qi-libgpg-error-1.48.drv",["dev"]),("/nix/store/pcnwik5qdqarff0535i3v52cbszhcgqb-desktop-file-utils-0.27.drv",["out"]),("/nix/store/pd8r6hjkvvxykrx1zakzfm4621wdw3xz-wrap-gapps-hook.drv",["out"]),("/nix/store/pm3r0asn8y4dn9dldf497xj9x83ifhld-gettext-0.21.1.drv",["out"]),("/nix/store/qhbg72gfhhs6dqhsckcad2vnblqlp0bi-libadwaita-1.4.4.drv",["dev"]),("/nix/store/vfswvzcbb528zlnw1ksdjrfq6a32pa8k-libsoup-3.4.4.drv",["dev"])],["/nix/store/v6x3cs394jgqfbi0a42pam708flxaphh-default-builder.sh"],"x86_64-linux","/nix/store/dy2z01kpnxn7dn2kgfdxs4fm8xy9mb89-bash-5.2p26/bin/bash",["-e","/nix/store/v6x3cs394jgqfbi0a42pam708flxaphh-default-builder.sh"],[("__structuredAttrs",""),("buildInputs","/nix/store/6h65sff0i0pf6vf4lcaf5hqwd5xqm1lm-libsoup-3.4.4-dev /nix/store/hfa0jcamap6fyq1jlfxvn0dhaa3yrv8y-glib-2.78.4-dev /nix/store/8nvmrvwzb40a1l7hd8s8ihlgallrcdwx-gtk4-4.12.5-dev /nix/store/m6m1wgaw8cvjg7wy8jklrxa59q6prjwh-libsecret-0.21.4-dev /nix/store/lvxcn47ld7m9ihiqllckivmgsl2pdil5-libadwaita-1.4.4-dev /nix/store/jndrsyis6bsyg06rbqzqkrz4brg116mx-libgpg-error-1.48-dev /nix/store/adv2chl0mqyifr6v9aa8kgfhmfdaqizy-json-glib-1.8.0-dev"),("builder","/nix/store/dy2z01kpnxn7dn2kgfdxs4fm8xy9mb89-bash-5.2p26/bin/bash"),("cmakeFlags",""),("configureFlags",""),("depsBuildBuild",""),("depsBuildBuildPropagated",""),("depsBuildTarget",""),("depsBuildTargetPropagated",""),("depsHostHost",""),("depsHostHostPropagated",""),("depsTargetTarget",""),("depsTargetTargetPropagated",""),("doCheck",""),("doInstallCheck",""),("mesonFlags","-Dduplicity_command=/nix/store/cfj8zd4d1gdcri8fgkyi6bf8gwf741ch-duplicity-2.2.3/bin/duplicity"),("name","deja-dup-45.2"),("nativeBuildInputs","/nix/store/68d2plpqcg915a0hxrghpmbf0si8lrln-meson-1.4.0 /nix/store/wvxpsf8xbyz31j0j2azjkndn1wbmh5ia-ninja-1.11.1 /nix/store/39nq7p6jcm9m3xqqm99skwmgsqw4pbbg-pkg-config-wrapper-0.29.2 /nix/store/vmipskrzjrym2dl8mx5nx5awkhjw525b-vala-0.56.14 /nix/store/1mccb37pvl03i6hg5g8914r6zjd6n09b-gettext-0.21.1 /nix/store/8q4r1mzp3ir1nry7kd9v4hs4vmaddg6n-itstool-2.0.7 /nix/store/1ndnpld5bvhydiw3g5w00z5b0ppbihv9-desktop-file-utils-0.27 /nix/store/1v19rbda2f2lripb6g7sjk8zb74hyfsc-wrap-gapps-hook"),("out","/nix/store/iaqb8fvz6h9zr7vfr7n2fr12r0y0ws9k-deja-dup-45.2"),("outputs","out"),("patches","/nix/store/f38zyafn32ws16n7n4yqn8dmzahqg0qr-fix-paths.patch"),("pname","deja-dup"),("propagatedBuildInputs",""),("propagatedNativeBuildInputs",""),("src","/nix/store/w4z0rzglpb7hw6vilnxsqvvn53kcz1is-source"),("stdenv","/nix/store/9wnvhjyxjykwn5y06xc9a2h8rs5fbfia-stdenv-linux"),("strictDeps",""),("system","x86_64-linux"),("version","45.2")])

non-working: hg23364m3blilrh3kq6g7lqih4vx7gmf-deja-dup-45.2.drv

Derive([("out","/nix/store/7f2r4kcgrqw4dw8033qg4r0b3ng0qh5r-deja-dup-45.2","","")],[("/nix/store/234adj7mk2lx23jbk5xgwfx8fa66f5j5-libadwaita-1.5.0.drv",["dev"]),("/nix/store/44hqlzrlpjy55ghz2g9avd9f8c0mh8iy-libgpg-error-1.48.drv",["dev"]),("/nix/store/56282jpv4i88jnsw4n7ccf15dh6hfyjl-json-glib-1.8.0.drv",["dev"]),("/nix/store/7qzbw83pjypjkkywpp4a9ka216h3d6nh-vala-0.56.17.drv",["out"]),("/nix/store/aq4ldx6pajndi61jnyvnnb6sph930nj5-desktop-file-utils-0.27.drv",["out"]),("/nix/store/f7s0l7masww8vrnklfmcvcaml4nlpcq5-libsecret-0.21.4.drv",["dev"]),("/nix/store/g00hf2xsd4siz5apyj3l30gdz294rc9g-stdenv-linux.drv",["out"]),("/nix/store/g4qqqwnmzz3j3ngwnrjsk20b8gk555r5-source.drv",["out"]),("/nix/store/g6lcfmdjlanl4c9zg6kv6sj4a1mpswjz-pkg-config-wrapper-0.29.2.drv",["out"]),("/nix/store/kcbmfrr9hyr5b72hr34p38f47pihg9dq-gettext-0.21.1.drv",["out"]),("/nix/store/khbw0ym0fpbrd3hk5kscfymr9kcdnxm8-libsoup-3.4.4.drv",["dev"]),("/nix/store/l6wyi4nsxj0mx55nlk66h30qp2zls3qy-itstool-2.0.7.drv",["out"]),("/nix/store/lmjsi4i5rqk6nhb46cim7is3bv8l3s75-wrap-gapps-hook.drv",["out"]),("/nix/store/ni73m0gnrkzbq1b3qj4f8sn9i666zfdj-gtk4-4.14.3.drv",["dev"]),("/nix/store/pvkl9ifdzyjykq721qa0qz1f62hpbm3g-bash-5.2p26.drv",["out"]),("/nix/store/q8v2z5lkwba6km3i0xks0h4jghh27a2w-duplicity-2.2.3.drv",["out"]),("/nix/store/s6lxs90g1x0h4046imgbvvkj9xva1i2v-meson-1.4.0.drv",["out"]),("/nix/store/wadmjd2hv8w7x6ph6gh20z9wpipjyshr-fix-paths.patch.drv",["out"]),("/nix/store/xvnsjzphjazcjrk8d4c45bga1791da33-glib-2.80.0.drv",["dev"]),("/nix/store/ypayiv42v9bxjd5kyhikzk4wdwlfa0lg-ninja-1.11.1.drv",["out"])],["/nix/store/v6x3cs394jgqfbi0a42pam708flxaphh-default-builder.sh"],"x86_64-linux","/nix/store/h3bhzvz9ipglcybbcvkxvm4vg9lwvqg4-bash-5.2p26/bin/bash",["-e","/nix/store/v6x3cs394jgqfbi0a42pam708flxaphh-default-builder.sh"],[("__structuredAttrs",""),("buildInputs","/nix/store/9apbv226bz4zibnsaj83dw4c6wpvkvyh-libsoup-3.4.4-dev /nix/store/zgnn357b7q3513bzmh17k6rcfp0c8vfz-glib-2.80.0-dev /nix/store/4dxzfqhkw6z2z2bjwf6a35lqd6srag99-gtk4-4.14.3-dev /nix/store/dc2nqv5d3qn9qaqcjmfg2a7hqmzpx4f6-libsecret-0.21.4-dev /nix/store/460dhn815ilwlsnk6ksm74n1ka0cfb5j-libadwaita-1.5.0-dev /nix/store/i2njfq2nrwhpxyaz784yjz2ccxmanvd9-libgpg-error-1.48-dev /nix/store/hnyd78fq5nkw65i3866fgp13qhss082q-json-glib-1.8.0-dev"),("builder","/nix/store/h3bhzvz9ipglcybbcvkxvm4vg9lwvqg4-bash-5.2p26/bin/bash"),("cmakeFlags",""),("configureFlags",""),("depsBuildBuild",""),("depsBuildBuildPropagated",""),("depsBuildTarget",""),("depsBuildTargetPropagated",""),("depsHostHost",""),("depsHostHostPropagated",""),("depsTargetTarget",""),("depsTargetTargetPropagated",""),("doCheck",""),("doInstallCheck",""),("mesonFlags","-Dduplicity_command=/nix/store/57vjrjpb8ljf456hfa5z7fzg3zi4dwhz-duplicity-2.2.3/bin/duplicity"),("name","deja-dup-45.2"),("nativeBuildInputs","/nix/store/ykjhz2wqms7fb6jnwdj9282qibm682d7-meson-1.4.0 /nix/store/47qj6ra6ihb54ryfa8281y5rkb0cfzc0-ninja-1.11.1 /nix/store/vbk2n3094zyl9ywijks6a3d7s2i6wnfm-pkg-config-wrapper-0.29.2 /nix/store/2xdhzqhh1wbfdfs07q9sc9fm8lckigy4-vala-0.56.17 /nix/store/15lzdmjwrvkml0xxms4a0q91mpianf8g-gettext-0.21.1 /nix/store/r4zs9ipdc47fwsd3dkln77bs9x3cmnp1-itstool-2.0.7 /nix/store/lcg3z0a0axpx2cwv0qkdr91qc504n6c0-desktop-file-utils-0.27 /nix/store/4z8wpgvcfh2nqz7xb8hh76d5bxpf2ym1-wrap-gapps-hook"),("out","/nix/store/7f2r4kcgrqw4dw8033qg4r0b3ng0qh5r-deja-dup-45.2"),("outputs","out"),("patches","/nix/store/dfbqh4f3lfc7749s4v2sm2v6qxrr7gga-fix-paths.patch"),("pname","deja-dup"),("propagatedBuildInputs",""),("propagatedNativeBuildInputs",""),("src","/nix/store/w4z0rzglpb7hw6vilnxsqvvn53kcz1is-source"),("stdenv","/nix/store/558iw5j1bk7z6wrg8cp96q2rx03jqj1v-stdenv-linux"),("strictDeps",""),("system","x86_64-linux"),("version","45.2")])

[jtojnar]

Thanks for reporting. duplicity probably needs #306080 (comment)

I opened #310514, could you please test it?

[jdev082]

Thanks for reporting. duplicity probably needs #306080 (comment)

I opened #310514, could you please test it?

The fix works!