Can't install mariasql in VS 2019 project

[Alessandro1979]

Hi,
I'm writing to you because I'm having a problem installing the mariasql package into a project.
In VS 2019 when I try to install mariasql I always get this error:

gyp ERR! build error
gyp ERR! stack Error: C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Current\Bin\MSBuild.exe failed with exit code: 1
gyp ERR! stack at ChildProcess.onExit (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\build.js:196:23)
gyp ERR! stack at ChildProcess.emit (events.js:203:13)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:272:12)
gyp ERR! System Windows_NT 10.0.17134
gyp ERR! command "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" "rebuild"
gyp ERR! cwd C:\Users\alessandro.frontini.SWLINK\Documents\Visual Studio 2017\Project\SmartMail\fd.uc.c4c\Application\fd.uc.c4c.disablepassworddeamon\node_modules\mariasql
gyp ERR! node -v v12.8.0
gyp ERR! node-gyp -v v5.0.3
gyp ERR! not ok
npm WARN [email protected] No repository field.
npm WARN [email protected] No license field.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] install: node-gyp rebuild
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\alessandro.frontini.SWLINK\AppData\Roaming\npm-cache_logs\2019-10-03T08_06_26_601Z-debug.log

VS 2019 and VS installer are updated,
Python is in the right version (2.7)

and now I don't know how to go on
Attach the output installation log

If you need other infos, please aske me.
thanks for all.

2019-10-03T08_06_26_601Z-debug.log