[bug#70858] [PATCH python-team v2 01/32] guix: import: pypi: Ignore pypi-ignored-inputs.

[Nicolas Graves]

* guix/import/pypi.scm (pypi-ignored-inputs): New variable.
  (compute-inputs): Use it.

* tests/pypi.scm (parse-requires.txt): Add ignored input to test the
  feature.

* guix/lint.scm (check-inputs-should-be-native): Adapt list.
  (check-inputs-should-not-be-an-input-at-all): Use pypi-ignored-list.

Change-Id: I774e526c5a090026e778ee44049637174a1dca95
---
 guix/import/pypi.scm | 21 ++++++++++++++++++---
 guix/lint.scm        | 12 +++++++-----
 tests/pypi.scm       |  3 ++-
 3 files changed, 27 insertions(+), 9 deletions(-)

diff --git a/guix/import/pypi.scm b/guix/import/pypi.scm
index 6719fde330a..d4b70061e86 100644
--- a/guix/import/pypi.scm
+++ b/guix/import/pypi.scm
@@ -14,6 +14,7 @@
 ;;; Copyright © 2022 Vivien Kraus <vivien@planete-kraus.eu>
 ;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
 ;;; Copyright © 2022 Hartmut Goebel <h.goebel@crazy-compilers.com>
+;;; Copyright © 2024 Nicolas Graves <ngraves@ngraves.fr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -61,6 +62,7 @@ (define-module (guix import pypi)
   #:use-module (guix upstream)
   #:use-module ((guix licenses) #:prefix license:)
   #:export (%pypi-base-url
+            pypi-ignored-inputs
             parse-requires.txt
             parse-wheel-metadata
             specification->requirement-name
@@ -77,6 +79,18 @@ (define %pypi-base-url
   ;; Base URL of the PyPI API.
   (make-parameter "https://pypi.org/pypi/";))
 
+(define pypi-ignored-inputs
+  ;; This list contains packages that are useful for development or quality
+  ;; testing, but that most of the time are not necessary to have as an input.
+  (list "argparse"  ; native
+        "tox" ; test wrapper for other environments
+        "codecov" "coverage"  ; coverage
+        "black" "isort" "pycodestyle" "pep8"  ; style
+        "pyflakes" "flake8" "pylint" "mypy"  ; style+lint
+        "coveralls" "twine"  ; upload integration tools
+        "pytest-isort" "pytest-flake8" "pytest-cov" "pytest-black"
+        "pytest-pep8" "pytest-mypy" "pytest-pep8" "pre-commit"))  ; variants
+
 (define non-empty-string-or-false
   (match-lambda
     ("" #f)
@@ -424,9 +438,10 @@ (define (compute-inputs source-url wheel-url archive)
   "Given the SOURCE-URL and WHEEL-URL of an already downloaded ARCHIVE, return
 the corresponding list of <upstream-input> records."
   (define (requirements->upstream-inputs deps type)
-    (filter-map (match-lambda
-                  ("argparse" #f)
-                  (name (upstream-input
+    (filter-map (lambda (name)
+                  (if (member name pypi-ignored-inputs)
+                      #f
+                      (upstream-input
                          (name name)
                          (downstream-name (python->package-name name))
                          (type type))))
diff --git a/guix/lint.scm b/guix/lint.scm
index 68d532968de..f689cc2a2a8 100644
--- a/guix/lint.scm
+++ b/guix/lint.scm
@@ -71,6 +71,7 @@ (define-module (guix lint)
                                     hg-reference-url)
   #:autoload   (guix bzr-download) (bzr-reference?
                                     bzr-reference-url)
+  #:use-module ((guix import pypi) #:select (pypi-ignored-inputs))
   #:use-module (guix import stackage)
   #:use-module (ice-9 match)
   #:use-module (ice-9 regex)
@@ -557,14 +558,12 @@ (define (check-inputs-should-be-native package)
             "m4"
             "qttools-5"
             "yasm" "nasm" "fasm"
-            "python-coverage"
             "python-cython"
             "python-docutils"
             "python-mock"
             "python-nose"
             "python-pbr"
             "python-pytest"
-            "python-pytest-cov"
             "python-setuptools-scm"
             "python-sphinx"
             "scdoc"
@@ -586,9 +585,12 @@ (define (check-inputs-should-be-native package)
 (define (check-inputs-should-not-be-an-input-at-all package)
   ;; Emit a warning if some inputs of PACKAGE are likely to should not be
   ;; an input at all.
-  (let ((input-names '("python-setuptools"
-                       "python-pip"
-                       "python-pre-commit")))
+  (let ((input-names (append
+                      '("python-setuptools"
+                        "python-pip"
+                        "pre-commit")
+                      (map (cut string-append "python-" <>)
+                           pypi-ignored-inputs))))
     (map (lambda (input)
            (make-warning
             package
diff --git a/tests/pypi.scm b/tests/pypi.scm
index 42b39cde730..fe01ab3beb3 100644
--- a/tests/pypi.scm
+++ b/tests/pypi.scm
@@ -97,6 +97,7 @@ (define test-requires.txt "\
 
 [test]
 pytest (>=2.5.0)
+pytest-cov  # read but ignored
 ")
 
 ;; Beaker contains only optional dependencies.
@@ -244,7 +245,7 @@ (define-syntax-rule (with-pypi responses body ...)
   (map specification->requirement-name test-specifications))
 
 (test-equal "parse-requires.txt"
-  (list '("foo" "bar") '("pytest"))
+  (list '("foo" "bar") '("pytest" "pytest-cov"))
   (mock ((ice-9 ports) call-with-input-file
          call-with-input-string)
         (parse-requires.txt test-requires.txt)))
-- 
2.41.0