I'm trying to add the ability to print a rise slideshow via "decktape" to pdf according to the following approach shown at jupytercon and it fails (see log below).
> hum...@1.0.87 install C:\WinPython\WPy-3702\t\n\node_modules\decktape\node_modules\hummus
> node-pre-gyp install --fallback-to-build
node-pre-gyp WARN Pre-built binaries not found for hum...@1.0.87 and no...@8.11.4 (node-v57 ABI, unknown) (falling back to source compile with node-gyp)
gyp ERR! configure error
gyp ERR! stack Error: Can't find Python executable "C:\WinPython\WPy-3702\python-3.7.0.amd64\python.EXE", you can set the PYTHON env variable.
gyp ERR! stack at PythonFinder.failNoPython (C:\WinPython\WPy-3702\t\n\node_modules\npm\node_modules\node-gyp\lib\configure.js:483:19)
gyp ERR! stack at PythonFinder.<anonymous> (C:\WinPython\WPy-3702\t\n\node_modules\npm\node_modules\node-gyp\lib\configure.js:508:16)
gyp ERR! stack at C:\WinPython\WPy-3702\t\n\node_modules\npm\node_modules\graceful-fs\polyfills.js:284:29
gyp ERR! stack at FSReqWrap.oncomplete (fs.js:152:21)
gyp ERR! System Windows_NT 10.0.14393
gyp ERR! command "C:\\WinPython\\WPy-3702\\python-3.7.0.amd64\\..\\t\\n\\node.exe" "C:\\WinPython\\WPy-3702\\t\\n\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "configure" "--fallback-to-build" "--module=C:\\WinPython\\WPy-3702\\t\\n\\node_modules\\decktape\\node_modules\\hummus\\binding\\hummus.node" "--module_name=hummus" "--module_path=C:\\WinPython\\WPy-3702\\t\\n\\node_modules\\decktape\\node_modules\\hummus\\binding" "--napi_version=3" "--node_abi_napi=napi"
gyp ERR! cwd C:\WinPython\WPy-3702\t\n\node_modules\decktape\node_modules\hummus
gyp ERR! node -v v8.11.4
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
node-pre-gyp ERR! build error
node-pre-gyp ERR! stack Error: Failed to execute 'C:\WinPython\WPy-3702\python-3.7.0.amd64\..\t\n\node.exe C:\WinPython\WPy-3702\t\n\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js configure --fallback-to-build --module=C:\WinPython\WPy-3702\t\n\node_modules\decktape\node_modules\hummus\binding\hummus.node --module_name=hummus --module_path=C:\WinPython\WPy-3702\t\n\node_modules\decktape\node_modules\hummus\binding --napi_version=3 --node_abi_napi=napi' (1)
node-pre-gyp ERR! stack at ChildProcess.<anonymous> (C:\WinPython\WPy-3702\t\n\node_modules\decktape\node_modules\hummus\node_modules\node-pre-gyp\lib\util\compile.js:83:29)
node-pre-gyp ERR! stack at emitTwo (events.js:126:13)
node-pre-gyp ERR! stack at ChildProcess.emit (events.js:214:7)
node-pre-gyp ERR! stack at maybeClose (internal/child_process.js:925:16)
node-pre-gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:209:5)
node-pre-gyp ERR! System Windows_NT 10.0.14393
node-pre-gyp ERR! command "C:\\WinPython\\WPy-3702\\python-3.7.0.amd64\\..\\t\\n\\node.exe" "C:\\WinPython\\WPy-3702\\t\\n\\node_modules\\decktape\\node_modules\\hummus\\node_modules\\node-pre-gyp\\bin\\node-pre-gyp" "install" "--fallback-to-build"
node-pre-gyp ERR! cwd C:\WinPython\WPy-3702\t\n\node_modules\decktape\node_modules\hummus
node-pre-gyp ERR! node -v v8.11.4
node-pre-gyp ERR! node-pre-gyp -v v0.10.0
node-pre-gyp ERR! not ok
Failed to execute 'C:\WinPython\WPy-3702\python-3.7.0.amd64\..\t\n\node.exe C:\WinPython\WPy-3702\t\n\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js configure --fallback-to-build --module=C:\WinPython\WPy-3702\t\n\node_modules\decktape\node_modules\hummus\binding\hummus.node --module_name=hummus --module_path=C:\WinPython\WPy-3702\t\n\node_modules\decktape\node_modules\hummus\binding --napi_version=3 --node_abi_napi=napi' (1)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! hum...@1.0.87 install: `node-pre-gyp install --fallback-to-build`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the hum...@1.0.87 install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.