emscripten-forge · DerThorsten · Sep 2, 2026 · Sep 2, 2026 · Sep 2, 2026 · Sep 2, 2026
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
@@ -23,8 +23,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - emsdk_ver: "3.1.73"
-            python_version: "3.13"
+          - emsdk_ver: "6.0.8"
+            python_version: "3.14"
 
 
     steps:

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -18,19 +18,21 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
-      fail-fast: false
+      fail-fast: true
 
     steps:
       - uses: actions/checkout@v2
 
       - name: Install micromamba
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v3
         with:
+          init-shell: >-
+            bash
           environment-file: environment-dev.yml
           environment-name: pyjs-wasm 
           condarc: |
             channels:
-              - https://repo.prefix.dev/emscripten-forge-4x
+              - https://repo.prefix.dev/emscripten-forge-bot/emscripten-forge-6x
               - conda-forge
 
 
@@ -44,15 +46,15 @@ jobs:
 
           micromamba create -n pyjs-build-wasm \
             --platform=emscripten-wasm32 \
-            -c  https://repo.prefix.dev/emscripten-forge-4x \
+            -c  https://repo.prefix.dev/emscripten-forge-bot/emscripten-forge-6x \
             -c https://repo.mamba.pm/conda-forge \
             --yes \
-            "python=3.13" \
-            "pybind11<3" \
-            nlohmann_json pybind11_json numpy \
-            pytest bzip2 sqlite zlib zstd libffi \
-            exceptiongroup emscripten-abi>=4 \
-            "openssl<4" liblzma
+            "libpython-static=3.14" \
+            "pybind11" \
+            "nlohmann_json" "pybind11_json" "numpy" \
+            pytest      \
+            exceptiongroup emscripten-abi>=6
+
 
 
           mkdir build
@@ -83,10 +85,10 @@ jobs:
           micromamba activate pyjs-wasm
           micromamba create -n pyjs-build-wasm-with-numpy \
             --platform=emscripten-wasm32 \
-            -c  https://repo.prefix.dev/emscripten-forge-4x \
+            -c  https://repo.prefix.dev/emscripten-forge-bot/emscripten-forge-6x \
             -c https://repo.mamba.pm/conda-forge \
             --yes \
-            "python=3.13" pytest numpy exceptiongroup
+            "libpython-static=3.14" pytest numpy exceptiongroup
 
 
       - name: Test in browser-main
@@ -96,7 +98,7 @@ jobs:
               browser-main \
               --conda-env     $MAMBA_ROOT_PREFIX/envs/pyjs-build-wasm-with-numpy  \
               --mount         $(pwd)/tests:/tests \
-              --mount         $(pwd)/module/pyjs:/lib/python3.13/site-packages/pyjs \
+              --mount         $(pwd)/module/pyjs:/lib/python3.14/site-packages/pyjs \
               --script        main.py \
               --work-dir      /tests \
               --pyjs-dir      $(pwd)/build \
@@ -112,7 +114,7 @@ jobs:
               browser-worker \
               --conda-env     $MAMBA_ROOT_PREFIX/envs/pyjs-build-wasm-with-numpy \
               --mount         $(pwd)/tests:/tests \
-              --mount         $(pwd)/module/pyjs:/lib/python3.13/site-packages/pyjs \
+              --mount         $(pwd)/module/pyjs:/lib/python3.14/site-packages/pyjs \
               --script        main.py \
               --work-dir      /tests \
               --pyjs-dir      $(pwd)/build \
@@ -124,10 +126,10 @@ jobs:
           micromamba activate pyjs-wasm
           micromamba create -n pyjs-build-wasm-no-numpy \
             --platform=emscripten-wasm32 \
-            -c https://repo.prefix.dev/emscripten-forge-4x \
+            -c https://repo.prefix.dev/emscripten-forge-bot/emscripten-forge-6x \
             -c https://repo.mamba.pm/conda-forge \
             --yes \
-            "python=3.13" pytest exceptiongroup
+            "libpython-static=3.14" pytest exceptiongroup
 
       - name: Test in browser-main-no-numpy
         run: |
@@ -138,7 +140,7 @@ jobs:
               browser-main \
               --conda-env     $MAMBA_ROOT_PREFIX/envs/pyjs-build-wasm-no-numpy  \
               --mount         $(pwd)/tests:/tests \
-              --mount         $(pwd)/module/pyjs:/lib/python3.13/site-packages/pyjs \
+              --mount         $(pwd)/module/pyjs:/lib/python3.14/site-packages/pyjs \
               --script        main.py \
               --work-dir      /tests \
               --pyjs-dir      $(pwd)/build \

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -11,7 +11,7 @@ option(LINK_LIBLZMA "Link liblzma" OFF)
 
 # set PY_VERSION to 3.11 if the user has not set it
 if (NOT DEFINED PY_VERSION)
-    set(PY_VERSION 3.11)
+    set(PY_VERSION 3.14)
 endif()
 
 file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/pycpp_includes)
@@ -148,9 +148,9 @@ target_include_directories(pyjs
 )
 
 SET(PYTHON_UTIL_LIBS
-    ${CMAKE_INSTALL_PREFIX}/lib/libbz2.a
+    # ${CMAKE_INSTALL_PREFIX}/lib/libbz2.a
     ${CMAKE_INSTALL_PREFIX}/lib/libz.a
-    ${CMAKE_INSTALL_PREFIX}/lib/libsqlite3.a
+    # ${CMAKE_INSTALL_PREFIX}/lib/libsqlite3.a
     ${CMAKE_INSTALL_PREFIX}/lib/libffi.a
     ${CMAKE_INSTALL_PREFIX}/lib/libzstd.a
     # ssl
@@ -159,6 +159,8 @@ SET(PYTHON_UTIL_LIBS
     ${CMAKE_INSTALL_PREFIX}/lib/libcrypto.a
     # lzma
     ${CMAKE_INSTALL_PREFIX}/lib/liblzma.a
+
+     ${CMAKE_INSTALL_PREFIX}/lib/libpython${PY_VERSION}.a
 )
 
 

diff --git a/build_v2.sh b/build_v2.sh
@@ -0,0 +1,139 @@
+#!/bin/bash
+set -e
+
+# dir of this script
+THIS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+BUILD_PREFIX_DIR=$THIS_DIR/build_prefix
+WASM_PREFIX_DIR=$THIS_DIR/debug_prefix
+WASM_DEPLOY_PREFIX_DIR=$THIS_DIR/deploy_prefix
+EMSDK_DIR=$THIS_DIR/emsdk_install
+EMSDK_ABI_VERSION=">=4"
+DEPLOYMENT_DIR=$THIS_DIR/deploy
+
+mkdir -p $DEPLOYMENT_DIR
+
+MM=$MAMBA_EXE
+
+
+
+if false; then
+    rm -rf $BUILD_PREFIX_DIR
+    echo "Creating wasm env at $BUILD_PREFIX_DIR"
+    $MM create -p $BUILD_PREFIX_DIR \
+        -f $THIS_DIR/environment-wasm-build.yml \
+        --yes
+    exit 0
+fi
+
+if false; then
+    rm -rf $WASM_PREFIX_DIR
+    echo "Creating wasm env at $WASM_PREFIX_DIR"
+    $MM create -p $WASM_PREFIX_DIR \
+            --platform=emscripten-wasm32 \
+            -f $THIS_DIR/environment-wasm.yml \
+            --yes
+
+fi
+
+export PY_VER=3.14
+
+if true; then
+    echo "Building pyjs"    
+
+    rm -rf build
+    mkdir -p build
+    cd build
+
+    export PREFIX=$WASM_PREFIX_DIR
+    export CMAKE_PREFIX_PATH=$PREFIX
+    export CMAKE_SYSTEM_PREFIX_PATH=$PREFIX
+    emcmake cmake \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON \
+    -DBUILD_RUNTIME_BROWSER=ON \
+    -DBUILD_RUNTIME_NODE=OFF \
+    -DCMAKE_INSTALL_PREFIX=$PREFIX \
+    -DLINK_LIBLZMA=ON \
+    -DPYTHON_SITE_PACKAGES=$PREFIX/lib/python${PY_VER}/site-packages \
+    -DPython_INCLUDE_DIRS=$PREFIX/include/python${PY_VER} \
+    -DPython_LIBRARY=$PREFIX/lib/libpython${PY_VER}.a \
+    -DPython_LIBRARIES=$PREFIX/lib/libpython${PY_VER}.a \
+    -DPython_Interpreter_FOUND=TRUE \
+    -DPython_EXECUTABLE=$BUILD_PREFIX/bin/python${PY_VER} \
+    -DPYTHON_MODULE_EXTENSION=.so \
+    -DPYTHON_MODULE_DEBUG_POSTFIX="" \
+    -DPYTHON_MODULE_EXT_SUFFIX=.so \
+    -DPython_FOUND=TRUE \
+    ..
+
+    emmake make -j8
+    emmake make install
+fi
+
+
+DEPLOYMENT_DIR=$THIS_DIR/deploy
+mkdir -p $DEPLOYMENT_DIR
+
+# pack env with empack
+if false; then
+
+    cd $THIS_DIR
+
+
+    echo "Packing wasm env"
+    rm -rf $DEPLOYMENT_DIR/pyjs-wasm-env.tar.zst
+
+
+    empack pack env \
+        --env-prefix $WASM_DEPLOY_PREFIX_DIR \
+        --relocate-prefix "/" \
+        --no-use-cache \
+        --outdir  $DEPLOYMENT_DIR 
+
+    echo "pack pyjs module"
+    empack pack dir \
+        --host-dir $THIS_DIR/module/pyjs \
+        --mount-dir /lib/python3.13/site-packages/pyjs \
+        --outname "pyjsmod.tar.gz" \
+        --outdir  $DEPLOYMENT_DIR
+
+    empack pack append \
+        --env-meta $DEPLOYMENT_DIR/empack_env_meta.json \
+        --tarfile $DEPLOYMENT_DIR/pyjsmod.tar.gz  
+
+fi
+
+# copy pyjs binary to deployment dir
+cp $THIS_DIR/build/pyjs_runtime_browser.js $DEPLOYMENT_DIR/pyjs_runtime_browser.js
+cp $THIS_DIR/build/pyjs_runtime_browser.wasm $DEPLOYMENT_DIR/pyjs_runtime_browser.wasm
+# cp $THIS_DIR/index.html $DEPLOYMENT_DIR/index.html
+
+if false; then
+    mkdir -p $THIS_DIR/build/host_work_dir
+    cd $THIS_DIR
+    BUILD_DIR=$THIS_DIR/build
+
+    # run in env with does not contain numpy
+    pyjs_code_runner run script \
+            browser-main \
+            --conda-env     $WASM_DEPLOY_PREFIX_DIR  \
+            --mount         $THIS_DIR/tests:/tests \
+            --mount         $THIS_DIR/module/pyjs:/lib/python3.13/site-packages/pyjs \
+            --script        main.py \
+            --work-dir      /tests \
+            --host-work-dir  $BUILD_DIR/host_work_dir \
+            --headless \
+            --no-cache \
+            --slow-mo 0 \
+            --async-main \
+            --pyjs-dir      $BUILD_DIR \
+
+fi
+
+
+
+# rm -rf deploy
+# mkdir -p deploy
+# cd deploy
+
+# jupyter lite build --XeusAddon.prefix=$WASM_PREFIX_DIR
diff --git a/environment-dev.yml b/environment-dev.yml
diff --git a/environment-wasm-build.yml b/environment-wasm-build.yml
@@ -0,0 +1,34 @@
+name: pyjs-wasm-build
+channels:
+  - conda-forge
+  - https://repo.prefix.dev/emscripten-forge-bot/emscripten-forge-6x
+
+dependencies:
+  - cmake
+  - pip
+  - python
+  - yarn
+  - click
+  - ninja
+  - nodejs
+  - emscripten_emscripten-wasm32 == 6.0.8
+  # - microsoft::playwright <= 1.50
+  # - pyjs_code_runner >= 2.0.1
+  # - exceptiongroup
+  # # documentation
+  # - jupytext
+  # - mkdocs
+  # - mkdocstrings
+  # - mkdocstrings-python
+  # - mkdocs-material
+  # - empack >=6.0.0
+  # - jupyter_server  # to enable contents  
+  # - jupyterlite
+  # - jupyterlite-xeus >= 3.1.8
+  # - jupyterlite-sphinx
+  # - notebook >=7,<8  # to include the extension to switch between JupyterLab and Notebook
+  # # pyjs_code_runner dev deps
+  # - hatchling
+  # - pip:
+  #   - JLDracula
+  #   - pyjs_code_runner >= 3.0
diff --git a/environment-wasm.yml b/environment-wasm.yml
@@ -0,0 +1,11 @@
+name: pyjs-wasm-run
+channels:
+  - conda-forge
+  - https://repo.prefix.dev/emscripten-forge-bot/emscripten-forge-6x
+
+dependencies:
+  - python-dev
+  - pybind11
+  - emscripten-abi==6.0.8
+  - numpy
+  - zlib-static
diff --git a/src/js_timestamp.cpp b/src/js_timestamp.cpp
@@ -1 +1 @@
-#define PYJS_JS_UTC_TIMESTAMP "2025-10-07 09:33:27.627626"
+#define PYJS_JS_UTC_TIMESTAMP "2026-09-03 14:23:48.492790"
Original file line number	Diff line number	Diff line change
		@@ -1 +1 @@
		#define PYJS_JS_UTC_TIMESTAMP "2025-10-07 09:33:27.627626"
		#define PYJS_JS_UTC_TIMESTAMP "2026-09-03 14:23:48.492790"