Update conf.py

Author: mcbarton

docs/source/conf.py

@@ -8,41 +8,45 @@
 
 if on_rtd:
     XEUS_CPP_ROOT = os.path.abspath('../..')
-    command_emscripten = 'cd ../../;\
-                          curl -L https://micro.mamba.pm/api/micromamba/linux-64/latest | tar -xvj bin/micromamba;\
-                          export PATH="$PWD/bin:$PATH"; \
-                          export MAMBA_EXE="$PWD/bin/micromamba";\
-                          export MAMBA_ROOT_PREFIX="/home/docs/.local/share/mamba";\
-                          __mamba_setup="$("$MAMBA_EXE" shell hook --shell bash --root-prefix "$MAMBA_ROOT_PREFIX" 2> /dev/null)";\
-                          alias micromamba="$MAMBA_EXE";\
-                          micromamba create -f environment-wasm-build.yml -y;\
-                          micromamba create -f environment-wasm-host.yml --platform=emscripten-wasm32;\
-                          mkdir build;\
-                          cd build;\
-                          export BUILD_PREFIX=$MAMBA_ROOT_PREFIX/envs/xeus-cpp-wasm-build;\
-                          export PREFIX=$MAMBA_ROOT_PREFIX/envs/xeus-cpp-wasm-host;\
-                          export SYSROOT_PATH=$BUILD_PREFIX/opt/emsdk/upstream/emscripten/cache/sysroot;\
-                          micromamba run -n environment-wasm-build emcmake cmake -DCMAKE_BUILD_TYPE=Release                                     \
-                                        -DCMAKE_PREFIX_PATH=$PREFIX                                    \
-                                        -DCMAKE_INSTALL_PREFIX=$PREFIX                                 \
-                                        -DXEUS_CPP_EMSCRIPTEN_WASM_BUILD=ON                            \
-                                        -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON                         \
-                                        -DXEUS_CPP_RESOURCE_DIR=$LLVM_BUILD_DIR/lib/clang/$LLVM_VERSION \
-                                        -DSYSROOT_PATH=$SYSROOT_PATH                                   \
-                                        {0}/xeus-cpp/;\
-                          micromamba run -n environment-wasm-build emmake make -j $(nproc --all) install;\
-                          cd {0};\
-                          micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyter_server jupyterlite-xeus -c conda-forge;\
-                          micromamba activate xeus-lite-host;\
-                          python -m pip install jupyterlite-xeus jupyter_server;\
-                          jupyter lite build --XeusAddon.prefix=$PREFIX \
-                          --contents notebooks/xeus-cpp-lite-demo.ipynb \
-                          --contents notebooks/smallpt.ipynb \
-                          --contents notebooks/images/marie.png \
-                          --contents notebooks/audio/audio.wav \
-                          --output-dir $READTHEDOCS_OUTPUT/html/xeus-cpp;'.format(XEUS_CPP_ROOT)
+    command_emscripten = f'''
+cd ../../;
+curl -L https://micro.mamba.pm/api/micromamba/linux-64/latest | tar -xvj bin/micromamba;
+export PATH="$PWD/bin:$PATH";
+export MAMBA_EXE="$PWD/bin/micromamba";
+export MAMBA_ROOT_PREFIX="/home/docs/.local/share/mamba";
+__mamba_setup="$("$MAMBA_EXE" shell hook --shell bash --root-prefix "$MAMBA_ROOT_PREFIX" 2> /dev/null)";
+eval "$__mamba_setup";
+alias micromamba="$MAMBA_EXE";
+micromamba create -f environment-wasm-build.yml -y;
+micromamba create -f environment-wasm-build;
+micromamba create -f environment-wasm-host.yml --platform=emscripten-wasm32;
+mkdir -p build;
+cd build;
+export BUILD_PREFIX=$MAMBA_ROOT_PREFIX/envs/xeus-cpp-wasm-build;
+export PREFIX=$MAMBA_ROOT_PREFIX/envs/xeus-cpp-wasm-host;
+export SYSROOT_PATH=$BUILD_PREFIX/opt/emsdk/upstream/emscripten/cache/sysroot;
+emcmake cmake -DCMAKE_BUILD_TYPE=Release \\
+              -DCMAKE_PREFIX_PATH=$PREFIX \\
+              -DCMAKE_INSTALL_PREFIX=$PREFIX \\
+              -DXEUS_CPP_EMSCRIPTEN_WASM_BUILD=ON \\
+              -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ON \\
+              -DXEUS_CPP_RESOURCE_DIR={XEUS_CPP_ROOT}/lib/clang/$LLVM_VERSION \\
+              -DSYSROOT_PATH=$SYSROOT_PATH \\
+              {XEUS_CPP_ROOT}/xeus-cpp/;
+emmake make -j $(nproc --all) install;
+cd {XEUS_CPP_ROOT};
+micromamba create -n xeus-lite-host jupyterlite-core=0.6 jupyter_server jupyterlite-xeus -c conda-forge -y;
+micromamba activate xeus-lite-host;
+python -m pip install jupyterlite-xeus jupyter_server;
+jupyter lite build --XeusAddon.prefix=$PREFIX \\
+                   --contents notebooks/xeus-cpp-lite-demo.ipynb \\
+                   --contents notebooks/smallpt.ipynb \\
+                   --contents notebooks/images/marie.png \\
+                   --contents notebooks/audio/audio.wav \\
+                   --output-dir $READTHEDOCS_OUTPUT/html/xeus-cpp;
+'''
     subprocess.call('cd ..; doxygen', shell=True)
-    subprocess.call(command_emscripten.format(XEUS_CPP_ROOT), shell=True)
+    subprocess.run(['bash', '-c', command_emscripten], check=True)
 
 
 import sphinx_rtd_theme