[bug#69048] [PATCH 25/32] gnu: Add rust-pyo3-macros-backend-0.20.

[Hartmut Goebel <h.goebel@crazy-compilers.com>]

* gnu/packages/crates-io.scm (rust-pyo3-macros-backend-0.20): New variable.
  (rust-pyo3-macros-backend-0.19): Inherit from rust-pyo3-macros-backend-0.20.
---
 gnu/packages/crates-io.scm | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 5d3bbea948..fe66ac8381 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -58933,29 +58933,48 @@ (define-public rust-pyo3-log-0.8
 extension to python.")
     (license (list license:asl2.0 license:expat))))
 
-(define-public rust-pyo3-macros-backend-0.19
+(define-public rust-pyo3-macros-backend-0.20
   (package
     (name "rust-pyo3-macros-backend")
-    (version "0.19.2")
+    (version "0.20.2")
     (source (origin
               (method url-fetch)
               (uri (crate-uri "pyo3-macros-backend" version))
               (file-name (string-append name "-" version ".tar.gz"))
               (sha256
                (base32
-                "0dlm4pg29hjmlqx15gcy9cmnabvc8ycy60hcvjg8hm62flhw2zcl"))))
+                "07w8x1wxm1ksx72jb0w1p2ssmg9zh95dsv4xmxyq4iqqhpa11j8g"))))
     (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
-       (("rust-proc-macro2" ,rust-proc-macro2-1)
+       (("rust-heck" ,rust-heck-0.4)
+        ("rust-proc-macro2" ,rust-proc-macro2-1)
         ("rust-quote" ,rust-quote-1)
-        ("rust-syn" ,rust-syn-1))))
+        ("rust-syn" ,rust-syn-2))))
     (home-page "https://github.com/pyo3/pyo3")
     (synopsis "Code generation for PyO3")
     (description
      "This package provides code generation backends for PyO3.")
     (license license:asl2.0)))
 
+(define-public rust-pyo3-macros-backend-0.19
+  (package
+    (inherit rust-pyo3-macros-backend-0.20)
+    (name "rust-pyo3-macros-backend")
+    (version "0.19.2")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "pyo3-macros-backend" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0dlm4pg29hjmlqx15gcy9cmnabvc8ycy60hcvjg8hm62flhw2zcl"))))
+    (arguments
+     `(#:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1)
+        ("rust-quote" ,rust-quote-1)
+        ("rust-syn" ,rust-syn-1))))))
+
 (define-public rust-pyo3-macros-backend-0.18
   (package
     (inherit rust-pyo3-macros-backend-0.19)
-- 
2.41.0