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webassembly: Build pyscript variant #67

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Merged
jonnor merged 1 commit into from
Apr 16, 2026
Merged

webassembly: Build pyscript variant #67

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9 changes: 4 additions & 5 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -16,10 +16,9 @@ C_MODULES_SRC_PATH = $(abspath ./src)

ifeq ($(PORT),unix)
MANIFEST_PATH=$(abspath ./src/manifest_unix.py)
else
MANIFEST_PATH=$(abspath ./src/manifest.py)
endif

WEBASSEMBLY_MANIFEST_PATH=$(abspath ./src/manifest_webassembly.py)

MODULES_PATH = ./dist/$(ARCH)_$(MPY_ABI_VERSION)
PORT_DIR = ./dist/ports/$(PORT)
Expand Down Expand Up @@ -75,9 +74,9 @@ unix: $(UNIX_MICROPYTHON)
$(WEBASSEMBLY_MICROPYTHON): $(PORT_DIR)
emcc --version
mkdir -p $(PORT_DIR)/../webassembly
make -C $(MPY_DIR)/ports/webassembly VARIANT=standard V=1 USER_C_MODULES=$(C_MODULES_SRC_PATH) FROZEN_MANIFEST=$(MANIFEST_PATH) CFLAGS_EXTRA="-Wno-unused-function -Wno-unused-function ${CFLAGS_EXTRA}" -j4
cp $(MPY_DIR)/ports/webassembly/build-standard/micropython.mjs $@
cp $(MPY_DIR)/ports/webassembly/build-standard/micropython.wasm dist/ports/webassembly/
make -C $(MPY_DIR)/ports/webassembly VARIANT=pyscript V=1 USER_C_MODULES=$(C_MODULES_SRC_PATH) FROZEN_MANIFEST=$(WEBASSEMBLY_MANIFEST_PATH) CFLAGS_EXTRA="-Wno-unused-function -Wno-unused-function ${CFLAGS_EXTRA}" -j4
cp $(MPY_DIR)/ports/webassembly/build-pyscript/micropython.mjs $@
cp $(MPY_DIR)/ports/webassembly/build-pyscript/micropython.wasm dist/ports/webassembly/


webassembly: $(WEBASSEMBLY_MICROPYTHON)
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36 changes: 36 additions & 0 deletions src/manifest_webassembly.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@

include("$(PORT_DIR)/variants/manifest.py")

# emlearn .py modules
module("emlearn_trees.py", base_path='./emlearn_trees')
module("emlearn_fft.py", base_path='./emlearn_fft')

# The following are expected by pyscript
# Ref https://github.com/micropython/micropython/blob/master/ports/webassembly/variants/pyscript/manifest.py
require("abc")
require("base64")
require("collections")
require("collections-defaultdict")
require("copy")
require("datetime")
require("fnmatch")
require("functools")
require("gzip")
require("hmac")
require("html")
require("inspect")
require("io")
require("itertools")
require("locale")
require("logging")
require("operator")
require("os")
require("os-path")
require("pathlib")
require("stat")
require("tarfile")
require("tarfile-write")
require("time")
require("unittest")
require("uu")
require("zlib")
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