MVP Rust in CPython

Author: emmatyping

.gitignore

@@ -178,3 +178,6 @@ CLAUDE.local.md
 #### main branch only stuff below this line, things to backport go above. ####
 # main branch only: ABI files are not checked/maintained.
 Doc/data/python*.abi
+
+# Rust build artifacts
+/target/

Cargo.lock

@@ -0,0 +1,6 @@
+[workspace]
+resolver = "3"
+members = [
+    "Modules/_base64",
+    "Modules/cpython-sys"
+]

Cargo.toml

@@ -58,6 +58,9 @@ DTRACE_HEADERS= @DTRACE_HEADERS@
 DTRACE_OBJS=    @DTRACE_OBJS@
 DSYMUTIL=       @DSYMUTIL@
 DSYMUTIL_PATH=  @DSYMUTIL_PATH@
+CARGO_HOME=@CARGO_HOME@
+CARGO_TARGET_DIR=@CARGO_TARGET_DIR@
+CARGO_PROFILE=@CARGO_PROFILE@
 
 GNULD=		@GNULD@
 
@@ -1649,6 +1652,10 @@ Makefile Modules/config.c: Makefile.pre \
 	@mv config.c Modules
 	@echo "The Makefile was updated, you may need to re-run make."
 
+.PHONY: regen-rust-wrapper-h
+regen-rust-wrapper-h: $(PYTHON_HEADERS)
+	PYTHON_HEADERS="$(PYTHON_HEADERS)" $(PYTHON_FOR_REGEN) $(srcdir)/Tools/build/regen-rust-wrapper-h.py
+
 .PHONY: regen-test-frozenmain
 regen-test-frozenmain: $(BUILDPYTHON)
 	# Regenerate Programs/test_frozenmain.h
@@ -3254,8 +3261,15 @@ profile-removal:
 	rm -f profile-run-stamp
 	rm -f profile-bolt-stamp
 
+.PHONY: clean-rust
+clean-rust:
+	@if test @CARGO_HOME@ != ''; then \
+		echo Running cargo clean...; \
+		$(CARGO_HOME)/bin/cargo clean; \
+	fi
+
 .PHONY: clean
-clean: clean-retain-profile clean-bolt
+clean: clean-retain-profile clean-bolt clean-rust
 	@if test @DEF_MAKE_ALL_RULE@ = profile-opt -o @DEF_MAKE_ALL_RULE@ = bolt-opt; then \
 		rm -f profile-gen-stamp profile-clean-stamp; \
 		$(MAKE) profile-removal; \

Makefile.pre.in

@@ -182,6 +182,7 @@ PYTHONPATH=$(COREPYTHONPATH)
 #_codecs_tw cjkcodecs/_codecs_tw.c
 #_multibytecodec cjkcodecs/multibytecodec.c
 #unicodedata unicodedata.c
+#_base64 _base64/Cargo.toml _base64/src/lib.rs lib_base64.a
 
 # Modules with some UNIX dependencies
 

Modules/Setup

@@ -117,6 +117,11 @@
 @MODULE__MULTIBYTECODEC_TRUE@_multibytecodec cjkcodecs/multibytecodec.c
 @MODULE_UNICODEDATA_TRUE@unicodedata unicodedata.c
 
+############################################################################
+# Rust modules
+#
+@MODULE__BASE64_TRUE@_base64 _base64/Cargo.toml _base64/src/lib.rs lib_base64.a
+
 ############################################################################
 # Modules with some UNIX dependencies
 #

Modules/Setup.stdlib.in

@@ -0,0 +1,12 @@
+[package]
+name = "_base64"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+base64 = "0.22.1"
+cpython-sys ={ path = "../cpython-sys" }
+
+[lib]
+name = "_base64"
+crate-type = ["staticlib"]