Missing libs for Python 3.13 with WASM (#655)

* Emscripten Python 3.13 missing libs

* Missing gitignore entry

* Update wasm build on CI

* Env changse

* Missing prefix arg

* Try

* Try

* Fix channel

* Remove non needed outdated requests polyfill

Author: martinRenou

.github/workflows/main.yml

@@ -150,31 +150,19 @@ jobs:
 
     strategy:
       fail-fast: false
-      matrix:
-        emsdk_ver: ["3.1.45"]
 
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install micromamba
-        uses: mamba-org/setup-micromamba@v1
+      - name: install mamba
+        uses: mamba-org/setup-micromamba@main
         with:
           environment-file: environment-wasm-build.yml
-
-      - name: Setup emsdk
-        shell: bash -l {0}
-        run: |
-          cd $HOME
-          git clone https://github.com/emscripten-core/emsdk.git
-          cd emsdk
-          ./emsdk install  ${{ matrix.emsdk_ver }}
-          ./emsdk activate  ${{ matrix.emsdk_ver }}
+          init-shell: bash
 
       - name: Build and pack xeus-python
+        shell: bash -l {0}
         run: |
-          $HOME/emsdk/emsdk activate ${{matrix.emsdk_ver}}
-          source $HOME/emsdk/emsdk_env.sh
-
           micromamba create -f environment-wasm-host.yml --platform=emscripten-wasm32
 
           mkdir build
@@ -188,6 +176,8 @@ jobs:
           rm -f $PREFIX/bin/python*
 
           emcmake cmake \
+            -DCMAKE_PREFIX_PATH=$PREFIX \
+            -DCMAKE_INSTALL_PREFIX=$PREFIX \
             -DCMAKE_BUILD_TYPE=Release \
             -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON \
             -DXPYT_EMSCRIPTEN_WASM_BUILD=ON \

.gitignore

@@ -54,3 +54,5 @@ build/
 
 # JS artifacts
 node_modules/
+
+post.js.in

CMakeLists.txt

@@ -378,11 +378,14 @@ endif()
 if (EMSCRIPTEN)
     # TODO MAKE BETTER
     SET(PYTHON_UTIL_LIBS
-        $ENV{PREFIX}/lib/libbz2.a
-        $ENV{PREFIX}/lib/libz.a
-        $ENV{PREFIX}/lib/libsqlite3.a
-        $ENV{PREFIX}/lib/libffi.a
-        $ENV{PREFIX}/lib/libzstd.a
+        ${CMAKE_INSTALL_PREFIX}/lib/libbz2.a
+        ${CMAKE_INSTALL_PREFIX}/lib/libz.a
+        ${CMAKE_INSTALL_PREFIX}/lib/libsqlite3.a
+        ${CMAKE_INSTALL_PREFIX}/lib/libffi.a
+        ${CMAKE_INSTALL_PREFIX}/lib/libzstd.a
+        ${CMAKE_INSTALL_PREFIX}/lib/libssl.a
+        ${CMAKE_INSTALL_PREFIX}/lib/libcrypto.a
+        ${CMAKE_INSTALL_PREFIX}/lib/liblzma.a
     )
 
     add_executable(xpython ${XPYTHON_WASM_SRC})

environment-wasm-build.yml

@@ -1,9 +1,11 @@
 name: xeus-python-wasm-build
 channels:
+  - https://repo.prefix.dev/emscripten-forge-dev
   - conda-forge
 dependencies:
   - cmake
+  - emscripten_emscripten-wasm32==3.1.73
   - pip
-  - python=3.11
+  - python=3.13
   - yarn
-  - click
+  - click

environment-wasm-host.yml

@@ -1,7 +1,7 @@
 name: xeus-python-wasm-host
 channels:
-  - https://repo.mamba.pm/emscripten-forge
-  - https://repo.mamba.pm/conda-forge
+  - https://repo.prefix.dev/emscripten-forge-dev
+  - https://repo.prefix.dev/conda-forge
 dependencies:
   - ipython
   - pybind11
@@ -10,9 +10,10 @@ dependencies:
   - pybind11_json
   - numpy
   - xeus-lite
-  - xeus 
+  - xeus
   - xeus-python-shell>=0.6.3
-  - pyjs>=2.0.0
-  - requests-wasm-polyfill>=0.3.0
+  - pyjs >=2,<3
   - libpython
   - zstd
+  - openssl
+  - xz