[bug#37704] [PATCH v2 9/9] gnu: Add python-poetry.

[Tanguy Le Carrour <tanguy@bioneland.org>]

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As suggested by Oleg [1], I've changed the names of the package and the
public variable.

[1]: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=37613

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From d4f5faa7e2c4ce07da08911e70e5db641dc4df27 Mon Sep 17 00:00:00 2001
From: Tanguy Le Carrour <tanguy@bioneland.org>
Date: Wed, 9 Oct 2019 10:41:23 +0200
Subject: [PATCH v2 9/9] gnu: Add poetry.

* gnu/packages/python-xyz.scm (poetry): New public variable.
---
 gnu/packages/python-xyz.scm | 46 +++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 3d51c63530..0c93591c3e 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -10748,6 +10748,52 @@ powerful API: thread-safety; decorator syntax; support for memcached, redis,
 database, file, dict stores.  Cachy supports python versions 2.7+ and 3.2+.")
     (license license:expat)))
 
+(define-public poetry
+  (package
+    (name "poetry")
+    (version "0.12.17")
+    ;; Poetry can only be built from source with poetry.
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "poetry" version))
+       (sha256
+        (base32
+         "0gxwcd65qjmzqzppf53x51sic1rbcd9py6cdzx3aprppipimslvf"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:tests? #f ;; Pypi does not have tests.
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'build
+           (lambda _
+             ;; Bug in poetry https://github.com/sdispater/poetry/issues/866.
+             (invoke "sed" "-i" "-e" "s/from distutils.core/from setuptools/" "setup.py")
+             #t)))))
+    (propagated-inputs
+     `(("python-cachecontrol" ,python-cachecontrol)
+       ("python-cachy" ,python-cachy)
+       ("python-cleo" ,python-cleo)
+       ("python-glob2" ,python-glob2)
+       ("python-html5lib" ,python-html5lib)
+       ("python-jsonschema" ,python-jsonschema)
+       ("python-msgpack" ,python-msgpack)
+       ("python-pathlib2" ,python-pathlib2)
+       ("python-pkginfo" ,python-pkginfo)
+       ("python-pyparsing" ,python-pyparsing)
+       ("python-pyrsistent" ,python-pyrsistent)
+       ("python-requests" ,python-requests)
+       ("python-requests-toolbelt" ,python-requests-toolbelt)
+       ("python-shellingham" ,python-shellingham)
+       ("python-tomlkit" ,python-tomlkit)
+       ("python-virtualenv" ,python-virtualenv)))
+    (home-page "https://poetry.eustace.io/")
+    (synopsis "Python dependency management and packaging made easy")
+    (description "Poetry is a tool for dependency management and packaging
+in Python. It allows you to declare the libraries your project depends on and
+it will manage (install/update) them for you.")
+    (license license:expat)))
+
 (define-public python-lazy-object-proxy
   (package
     (name "python-lazy-object-proxy")
-- 
2.23.0