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08/21: gnu: Add python-libcst.


From: guix-commits
Subject: 08/21: gnu: Add python-libcst.
Date: Wed, 29 Jul 2020 18:58:52 -0400 (EDT)

mbakke pushed a commit to branch master
in repository guix.

commit 2f60db668a8e22b7c535b67e3f6f06c270cd2a69
Author: Tanguy Le Carrour <tanguy@bioneland.org>
AuthorDate: Mon Jul 27 10:00:46 2020 +0200

    gnu: Add python-libcst.
    
    * gnu/packages/python-xyz.scm (python-libcst): New variable.
    
    Signed-off-by: Marius Bakke <marius@gnu.org>
---
 gnu/packages/python-xyz.scm | 57 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 4f78f69..5429982 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -12341,6 +12341,63 @@ 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-libcst
+  (package
+    (name "python-libcst")
+    (version "0.3.8")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "libcst" version))
+              (sha256
+               (base32
+                "05zsc61gsd2pyb6wiyh58zczndxi6rm4d2jl94rpf5cv1fzw6ks8"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'remove-failing-tests
+           (lambda _
+             ;; Reported upstream: 
<https://github.com/Instagram/LibCST/issues/346>.
+             (delete-file "libcst/tests/test_fuzz.py")
+             ;; Reported upstream: 
<https://github.com/Instagram/LibCST/issues/347>.
+             (delete-file "libcst/tests/test_pyre_integration.py")
+             (delete-file "libcst/codemod/tests/test_codemod_cli.py")
+             (delete-file "libcst/metadata/tests/test_full_repo_manager.py")
+             (delete-file 
"libcst/metadata/tests/test_type_inference_provider.py")
+             #t))
+         (add-before 'check 'generate-test-data
+           (lambda _
+             (setenv "PYTHONPATH" (string-append (getcwd) ":" (getenv 
"PYTHONPATH")))
+             (invoke "python" "-m" "libcst.codegen.generate" "visitors")
+             (invoke "python" "-m" "libcst.codegen.generate" "return_types")))
+         (replace 'check
+           (lambda _
+             (invoke "python" "-m" "unittest")
+             #t)))))
+    (native-inputs
+     `(("python-black" ,python-black)
+       ("python-isort" ,python-isort)))
+    (propagated-inputs
+     `(("python-typing-extensions" ,python-typing-extensions)
+       ("python-typing-inspect" ,python-typing-inspect)
+       ("python-pyyaml" ,python-pyyaml)))
+    (home-page "https://github.com/Instagram/LibCST";)
+    (synopsis "Concrete Syntax Tree (CST) parser and serializer library for 
Python")
+    (description
+     "LibCST parses Python source code as a CST tree that keeps all
+formatting details (comments, whitespaces, parentheses, etc).  It's useful
+for building automated refactoring (codemod) applications and linters.
+LibCST creates a compromise between an Abstract Syntax Tree (AST) and
+a traditional Concrete Syntax Tree (CST).  By carefully reorganizing and
+naming node types and fields, LibCST creates a lossless CST that looks and
+feels like an AST.")
+    (license (list license:expat
+                   ;; Some files unde libcst/_parser/ are under Python Software
+                   ;; Foundation license (see LICENSE file for details)
+                   license:psfl
+                   ;; libcst/_add_slots.py
+                   license:asl2.0))))
+
 (define-public python-typing-inspect
   (package
     (name "python-typing-inspect")



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