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build-system/pyproject: Adjust indentation.
* guix/build/pyproject-build-system.scm: Adjust indentation.
This commit is contained in:
Marius Bakke
parent
f928abac36
commit
6ef998d54e
1 changed files with 32 additions and 46 deletions
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@ -94,51 +94,48 @@ (define (pyproject.toml->build-backend file)
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(call-with-input-file file
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(lambda (in)
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(let loop
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((line (read-line in
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'concat)))
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((line (read-line in 'concat)))
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(if (eof-object? line) #f
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(let ((m (string-match "build-backend = [\"'](.+)[\"']" line)))
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(if m
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(match:substring m 1)
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(loop (read-line in
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'concat)))))))))
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(loop (read-line in 'concat)))))))))
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(let* ((wheel-output (assoc-ref outputs "wheel"))
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(wheel-dir (if wheel-output wheel-output "dist"))
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;; There is no easy way to get data from Guile into Python via
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;; s-expressions, but we have JSON serialization already, which Python
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;; also supports out-of-the-box.
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(config-settings (call-with-output-string (cut write-json
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configure-flags <>)))
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(config-settings (call-with-output-string
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(cut write-json configure-flags <>)))
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;; python-setuptools’ default backend supports setup.py *and*
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;; pyproject.toml. Allow overriding this automatic detection via
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;; build-backend.
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(auto-build-backend (if (file-exists? "pyproject.toml")
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(pyproject.toml->build-backend
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"pyproject.toml") #f))
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"pyproject.toml")
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#f))
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;; Use build system detection here and not in importer, because a) we
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;; have alot of legacy packages and b) the importer cannot update arbitrary
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;; fields in case a package switches its build system.
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(use-build-backend (or build-backend auto-build-backend
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(use-build-backend (or build-backend
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auto-build-backend
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"setuptools.build_meta")))
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(format #t
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"Using '~a' to build wheels, auto-detected '~a', override '~a'.~%"
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use-build-backend auto-build-backend build-backend)
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(mkdir-p wheel-dir)
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;; Call the PEP 517 build function, which drops a .whl into wheel-dir.
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(invoke "python"
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"-c"
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"import sys, importlib, json\nconfig_settings = json.loads (sys.argv[3])\nbuilder = importlib.import_module(sys.argv[1])\nbuilder.build_wheel(sys.argv[2], config_settings=config_settings)"
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(invoke "python" "-c"
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"import sys, importlib, json
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config_settings = json.loads (sys.argv[3])
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builder = importlib.import_module(sys.argv[1])
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builder.build_wheel(sys.argv[2], config_settings=config_settings)"
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use-build-backend
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wheel-dir
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config-settings)))
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(define* (check #:key inputs
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outputs
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tests?
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test-backend
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test-flags
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#:allow-other-keys)
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(define* (check #:key tests? test-backend test-flags #:allow-other-keys)
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"Run the test suite of a given Python package."
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(if tests?
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;; Unfortunately with PEP 517 there is no common method to specify test
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@ -182,12 +179,7 @@ (define* (install #:key inputs outputs #:allow-other-keys)
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(define (extract file)
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"Extract wheel (ZIP file) into site-packages directory"
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;; Use Python’s zipfile to avoid extra dependency
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(invoke "python"
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"-m"
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"zipfile"
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"-e"
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file
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site-dir))
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(invoke "python" "-m" "zipfile" "-e" file site-dir))
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(define python-hashbang
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(string-append "#!" python "/bin/python"))
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@ -197,20 +189,15 @@ (define* (merge-directories source destination
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"Move all files in SOURCE into DESTINATION, merging the two directories."
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(format #t "Merging directory ~a into ~a~%" source destination)
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(for-each (lambda (file)
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(format #t
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"~a/~a -> ~a/~a~%"
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source
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file
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destination
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file)
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(format #t "~a/~a -> ~a/~a~%"
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source file destination file)
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(mkdir-p destination)
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(rename-file (string-append source "/" file)
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(string-append destination "/" file))
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(when post-move
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(post-move file)))
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(scandir source
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(negate (cut member <>
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'("." "..")))))
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(negate (cut member <> '("." "..")))))
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(rmdir source))
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(define (expand-data-directory directory)
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@ -222,13 +209,15 @@ (define (expand-data-directory directory)
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(when (file-exists? source)
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(merge-directories source destination
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(lambda (f)
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(let ((dest-path (string-append destination "/"
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f)))
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(let ((dest-path (string-append destination
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"/" f)))
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(chmod dest-path #o755)
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;; PEP 427 recommends that installers rewrite
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;; this odd shebang.
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(substitute* dest-path
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(("#!python")
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python-hashbang)))))))
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;; Data can be contained in arbitrary directory structures. Most
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;; Data can be contained in arbitrary directory structures. Most
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;; commonly it is used for share/.
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(let ((source (string-append directory "/data"))
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(destination out))
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@ -237,8 +226,8 @@ (define (expand-data-directory directory)
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(let* ((distribution (car (string-split (basename directory) #\-)))
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(source (string-append directory "/headers"))
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(destination (string-append out "/include/python"
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(python-version python) "/"
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distribution)))
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(python-version python)
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"/" distribution)))
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(when (file-exists? source)
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(merge-directories source destination))))
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@ -247,10 +236,8 @@ (define (list-directories base predicate)
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(scandir base
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(lambda (name)
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(let ((stat (lstat (string-append base "/" name))))
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(and (not (member name
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'("." "..")))
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(eq? (stat:type stat)
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'directory)
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(and (not (member name '("." "..")))
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(eq? (stat:type stat) 'directory)
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(predicate name stat))))))
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(let* ((wheel-output (assoc-ref outputs "wheel"))
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@ -260,9 +247,8 @@ (define (list-directories base predicate)
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(cut string-suffix? ".whl" <>)))))
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(cond
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((> (length wheels) 1)
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;This code does not support multiple wheels
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;; yet, because their outputs would have to be
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;; merged properly.
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;; This code does not support multiple wheels yet, because their
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;; outputs would have to be merged properly.
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(raise (condition (&cannot-extract-multiple-wheels))))
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((= (length wheels) 0)
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(raise (condition (&no-wheels-built)))))
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@ -293,7 +279,7 @@ (define* (compile-bytecode #:key inputs outputs #:allow-other-keys)
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(invoke "python" "-m" "compileall"
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"--invalidation-mode=unchecked-hash" site-dir))))
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(define* (create-entrypoints #:key inputs outputs (configure-flags '()) #:allow-other-keys)
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(define* (create-entrypoints #:key inputs outputs #:allow-other-keys)
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"Implement Entry Points Specification
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(https://packaging.python.org/specifications/entry-points/) by PyPa,
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which creates runnable scripts in bin/ from entry point specification
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@ -332,8 +318,8 @@ (define (entry-points.txt->entry-points file)
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(loop (read-line in) next-inside result))))))))
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(define (create-script path name module function)
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"Create a Python script from an entry point’s NAME, MODULE and
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FUNCTION and return write it to PATH/NAME."
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"Create a Python script from an entry point’s NAME, MODULE and FUNCTION
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and return write it to PATH/NAME."
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(let ((interpreter (which "python"))
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(file-path (string-append path "/" name)))
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(format #t "Creating entry point for '~a.~a' at '~a'.~%"
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