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import: pypi: read requirements from wheels.

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* doc/guix.tex (Invoking guix import): Mention that the pypi importer
works better with "unzip".
* guix/import/pypi.scm (latest-wheel-release,
wheel-url->extracted-directory): New procedures.
* tests/pypi.scm (("pypi->guix-package, wheels"): New test.
This commit is contained in:
Cyril Roelandt 2015-12-27 03:26:11 +01:00
parent 4f54a63e1e
commit 266785d21e
3 changed files with 166 additions and 29 deletions
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78
tests/pypi.scm
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@ -21,7 +21,7 @@
#:use-module (guix base32)
#:use-module (guix hash)
#:use-module (guix tests)
#:use-module ((guix build utils) #:select (delete-file-recursively))
#:use-module ((guix build utils) #:select (delete-file-recursively which))
#:use-module (srfi srfi-64)
#:use-module (ice-9 match))
@ -42,6 +42,9 @@
}, {
\"url\": \"https://example.com/foo-1.0.0.tar.gz\",
\"packagetype\": \"sdist\",
}, {
\"url\": \"https://example.com/foo-1.0.0-py2.py3-none-any.whl\",
\"packagetype\": \"bdist_wheel\",
}
]
}
@ -56,6 +59,18 @@
bar
baz > 13.37")
(define test-metadata
"{
\"run_requires\": [
{
\"requires\": [
\"bar\",
\"baz (>13.37)\"
]
}
]
}")
(test-begin "pypi")
(test-assert "pypi->guix-package"
@ -77,6 +92,67 @@ baz > 13.37")
(delete-file-recursively "foo-1.0.0")
(set! test-source-hash
(call-with-input-file file-name port-sha256))))
("https://example.com/foo-1.0.0-py2.py3-none-any.whl" #f)
(_ (error "Unexpected URL: " url)))))
(match (pypi->guix-package "foo")
(('package
('name "python-foo")
('version "1.0.0")
('source ('origin
('method 'url-fetch)
('uri (string-append "https://example.com/foo-"
version ".tar.gz"))
('sha256
('base32
(? string? hash)))))
('build-system 'python-build-system)
('inputs
('quasiquote
(("python-bar" ('unquote 'python-bar))
("python-baz" ('unquote 'python-baz))
("python-setuptools" ('unquote 'python-setuptools)))))
('home-page "http://example.com")
('synopsis "summary")
('description "summary")
('license 'lgpl2.0))
(string=? (bytevector->nix-base32-string
test-source-hash)
hash))
(x
(pk 'fail x #f)))))
(test-skip (if (which "zip") 0 1))
(test-assert "pypi->guix-package, wheels"
;; Replace network resources with sample data.
(mock ((guix import utils) url-fetch
(lambda (url file-name)
(match url
("https://pypi.python.org/pypi/foo/json"
(with-output-to-file file-name
(lambda ()
(display test-json))))
("https://example.com/foo-1.0.0.tar.gz"
(begin
(mkdir "foo-1.0.0")
(with-output-to-file "foo-1.0.0/requirements.txt"
(lambda ()
(display test-requirements)))
(system* "tar" "czvf" file-name "foo-1.0.0/")
(delete-file-recursively "foo-1.0.0")
(set! test-source-hash
(call-with-input-file file-name port-sha256))))
("https://example.com/foo-1.0.0-py2.py3-none-any.whl"
(begin
(mkdir "foo-1.0.0.dist-info")
(with-output-to-file "foo-1.0.0.dist-info/metadata.json"
(lambda ()
(display test-metadata)))
(let ((zip-file (string-append file-name ".zip")))
;; zip always adds a "zip" extension to the file it creates,
;; so we need to rename it.
(system* "zip" zip-file "foo-1.0.0.dist-info/metadata.json")
(rename-file zip-file file-name))
(delete-file-recursively "foo-1.0.0.dist-info")))
(_ (error "Unexpected URL: " url)))))
(match (pypi->guix-package "foo")
(('package