pypi URL 404

[Jack Hill <jackhill@jackhill.us>]

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Hi Guix,

I've created the following package definition using the pypi importer. 
However, when I try to build it with guix build -f … the build fails 
because it cannot download the source. The downloader gets redirected to a 
url that returns 404. However, the pypi importer was able download the 
source.

Package definition produced by the importer:

(define-module (ducktype)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix build-system python))

(package
   (name "python-mallard-ducktype")
   (version "1.0.1")
   (source
     (origin
       (method url-fetch)
       (uri (pypi-uri "mallard-ducktype" version))
       (sha256
         (base32
           "04mjj8apzm0cb4vk73vydgfiw8cyznfy3zrb99xs9d2k8x7cxc99"))))
   (build-system python-build-system)
   (home-page "")
   (synopsis
     "Parse Ducktype files and convert them to Mallard.")
   (description
     "Parse Ducktype files and convert them to Mallard.")
   (license license:expat))


guix build -f ducktype.scm output:

substituting /gnu/store/wc83b7yhng8kd937y9z3nq5xlyibshiv-module-import-compiled...
downloading from https://ci.guix.gnu.org/nar/gzip/wc83b7yhng8kd937y9z3nq5xlyibshiv-module-import-compiled...
  module-import-compiled  258KiB                                                                   4.8MiB/s 00:00 [##################] 100.0%

building /gnu/store/6yn25vcf1kym9l22gfx404rd5grq0pm5-mallard-ducktype-1.0.1.tar.gz.drv...

Starting download of /gnu/store/mmppbk4y3y38zabg295c89ifdxx7lfgs-mallard-ducktype-1.0.1.tar.gz
From https://pypi.org/packages/source/m/mallard-ducktype/mallard-ducktype-1.0.1.tar.gz...
following redirection to `https://files.pythonhosted.org/packages/source/m/mallard-ducktype/mallard-ducktype-1.0.1.tar.gz'...
download failed "https://files.pythonhosted.org/packages/source/m/mallard-ducktype/mallard-ducktype-1.0.1.tar.gz" 404 "Not Found"

Starting download of /gnu/store/mmppbk4y3y38zabg295c89ifdxx7lfgs-mallard-ducktype-1.0.1.tar.gz
From https://mirror.hydra.gnu.org/file/mallard-ducktype-1.0.1.tar.gz/sha256/04mjj8apzm0cb4vk73vydgfiw8cyznfy3zrb99xs9d2k8x7cxc99...
download failed "https://mirror.hydra.gnu.org/file/mallard-ducktype-1.0.1.tar.gz/sha256/04mjj8apzm0cb4vk73vydgfiw8cyznfy3zrb99xs9d2k8x7cxc99" 404 "Not Found"

Starting download of /gnu/store/mmppbk4y3y38zabg295c89ifdxx7lfgs-mallard-ducktype-1.0.1.tar.gz
From https://berlin.guixsd.org/file/mallard-ducktype-1.0.1.tar.gz/sha256/04mjj8apzm0cb4vk73vydgfiw8cyznfy3zrb99xs9d2k8x7cxc99...
download failed "https://berlin.guixsd.org/file/mallard-ducktype-1.0.1.tar.gz/sha256/04mjj8apzm0cb4vk73vydgfiw8cyznfy3zrb99xs9d2k8x7cxc99" 404 "Not Found"

Starting download of /gnu/store/mmppbk4y3y38zabg295c89ifdxx7lfgs-mallard-ducktype-1.0.1.tar.gz
From https://tarballs.nixos.org/sha256/04mjj8apzm0cb4vk73vydgfiw8cyznfy3zrb99xs9d2k8x7cxc99...
download failed "https://tarballs.nixos.org/sha256/04mjj8apzm0cb4vk73vydgfiw8cyznfy3zrb99xs9d2k8x7cxc99" 404 "Not Found"

Starting download of /gnu/store/mmppbk4y3y38zabg295c89ifdxx7lfgs-mallard-ducktype-1.0.1.tar.gz
From https://archive.softwareheritage.org/api/1/content/sha256:29b1ce4e4753b4a47b4a2bffe19dfd9e211edd6b7e8f3337590cd47f1592b212/raw/...
download failed "https://archive.softwareheritage.org/api/1/content/sha256:29b1ce4e4753b4a47b4a2bffe19dfd9e211edd6b7e8f3337590cd47f1592b212/raw/" 404 "Not Found"
failed to download "/gnu/store/mmppbk4y3y38zabg295c89ifdxx7lfgs-mallard-ducktype-1.0.1.tar.gz" from "https://pypi.org/packages/source/m/mallard-ducktype/mallard-ducktype-1.0.1.tar.gz"
builder for `/gnu/store/6yn25vcf1kym9l22gfx404rd5grq0pm5-mallard-ducktype-1.0.1.tar.gz.drv' failed to produce output path `/gnu/store/mmppbk4y3y38zabg295c89ifdxx7lfgs-mallard-ducktype-1.0.1.tar.gz'
build of /gnu/store/6yn25vcf1kym9l22gfx404rd5grq0pm5-mallard-ducktype-1.0.1.tar.gz.drv failed
View build log at '/var/log/guix/drvs/6y/n25vcf1kym9l22gfx404rd5grq0pm5-mallard-ducktype-1.0.1.tar.gz.drv.bz2'.
cannot build derivation `/gnu/store/84i5773gkrmkbynzm51nn655iy9j2n67-python-mallard-ducktype-1.0.1.drv': 1 dependencies couldn't be built
guix build: error: build of `/gnu/store/84i5773gkrmkbynzm51nn655iy9j2n67-python-mallard-ducktype-1.0.1.drv' failed


Best,
Jack