npm install报错：gyp verb `which` failed Error: not found: python2

npm install报错：gyp verb `which` failed Error: not found: python2

npm install后控制台报异常：

npm WARN old lockfile
npm WARN old lockfile The package-lock.json file was created with an old version of npm,
npm WARN old lockfile so supplemental metadata must be fetched from the registry.
npm WARN old lockfile
npm WARN old lockfile This is a one-time fix-up, please be patient...
npm WARN old lockfile
npm WARN deprecated [email protected]: This loader has been deprecated. Please use eslint-webpack-plugin
npm WARN deprecated [email protected]: Please see https://github.com/lydell/urix#deprecated
npm WARN deprecated [email protected]: this library is no longer supported
npm WARN deprecated [email protected]: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
npm WARN deprecated [email protected]: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
npm WARN deprecated [email protected]: Deprecated!!! Do not use this version
npm WARN deprecated [email protected]: https://github.com/lydell/resolve-url#deprecated
npm WARN deprecated [email protected]: CircularJSON is in maintenance only, flatted is its successor.
npm WARN deprecated [email protected]: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated [email protected]: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated [email protected]: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated [email protected]: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated [email protected]: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated [email protected]: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated [email protected]: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated [email protected]: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated [email protected]: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 have a low-severity ReDos regression when used in a Node.js environment. It is recommended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/issues/797)
npm WARN deprecated [email protected]: please switch to a stable version
npm WARN deprecated [email protected]: The querystring API is considered Legacy. new code should use the URLSearchParams API instead.
npm WARN deprecated [email protected]: babel-eslint is now @babel/eslint-parser. This package will no longer receive updates.
npm WARN deprecated [email protected]: Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.
npm WARN deprecated [email protected]: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated [email protected]: support for ECMAscript is superseded by `uglify-js` as of v3.13.0
npm WARN deprecated [email protected]: Critical security vulnerability fixed in v0.21.1. For more information, see https://github.com/axios/axios/pull/3410
npm WARN deprecated [email protected]: This SVGO version is no longer supported. Upgrade to v2.x.x.
npm WARN deprecated [email protected]: This version of tar is no longer supported, and will not receive security updates. Please upgrade asap.
npm WARN deprecated [email protected]: Version no longer supported. Upgrade to @latest
npm WARN deprecated [email protected]: core-js@<3.3 is no longer maintained and not recommended for usage due to the number of issues. Because of the V8 engine whims, feature detection in old core-js versions could cause a slowdown 
up to 100x even if nothing is polyfilled. Please, upgrade your dependencies to the actual version of core-js.
npm WARN deprecated [email protected]: core-js@<3.3 is no longer maintained and not recommended for usage due to the number of issues. Because of the V8 engine whims, feature detection in old core-js versions could cause a slowdown up to 100x even if nothing is polyfilled. Please, upgrade your dependencies to the actual version of core-js.
npm ERR! code 1
npm ERR! path D:gitcodeclinic_admin_webnode_modulesnode-sass
npm ERR! command failed
npm ERR! command C:WINDOWSsystem32cmd.exe /d /s /c node scripts/build.js
npm ERR! Building: C:Program Filesnodejsnode.exe D:gitcodeclinic_admin_webnode_modulesnode-gypbinnode-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp verb cli [
npm ERR! gyp verb cli   'C:\Program Files\nodejs\node.exe',
npm ERR! gyp verb cli   'D:\gitcode\clinic_admin_web\node_modules\node-gyp\bin\node-gyp.js',
npm ERR! gyp verb cli   'rebuild',
npm ERR! gyp verb cli   '--verbose',
npm ERR! gyp verb cli   '--libsass_ext=',
npm ERR! gyp verb cli   '--libsass_cflags=',
npm ERR! gyp verb cli   '--libsass_ldflags=',
npm ERR! gyp verb cli   '--libsass_library='
npm ERR! gyp verb cli ]
npm ERR! gyp info using [email protected]
npm ERR! gyp info using [email protected] | win32 | x64
npm ERR! gyp verb command rebuild []
npm ERR! gyp verb command clean []
npm ERR! gyp verb clean removing "build" directory
npm ERR! gyp verb command configure []
npm ERR! gyp verb check python checking for Python executable "python2" in the PATH
npm ERR! gyp verb `which` failed Error: not found: python2
npm ERR! gyp verb `which` failed     at getNotFoundError (D:gitcodeclinic_admin_webnode_moduleswhichwhich.js:13:12)
npm ERR! gyp verb `which` failed     at F (D:gitcodeclinic_admin_webnode_moduleswhichwhich.js:68:19)
npm ERR! gyp verb `which` failed     at E (D:gitcodeclinic_admin_webnode_moduleswhichwhich.js:80:29)
npm ERR! gyp verb `which` failed     at D:gitcodeclinic_admin_webnode_moduleswhichwhich.js:89:16
npm ERR! gyp verb `which` failed     at D:gitcodeclinic_admin_webnode_modulesisexeindex.js:42:5
npm ERR! gyp verb `which` failed     at D:gitcodeclinic_admin_webnode_modulesisexewindows.js:36:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:192:21)
npm ERR! gyp verb `which` failed  python2 Error: not found: python2
npm ERR! gyp verb `which` failed     at getNotFoundError (D:gitcodeclinic_admin_webnode_moduleswhichwhich.js:13:12)
npm ERR! gyp verb `which` failed     at F (D:gitcodeclinic_admin_webnode_moduleswhichwhich.js:68:19)
npm ERR! gyp verb `which` failed     at E (D:gitcodeclinic_admin_webnode_moduleswhichwhich.js:80:29)
npm ERR! gyp verb `which` failed     at D:gitcodeclinic_admin_webnode_moduleswhichwhich.js:89:16
npm ERR! gyp verb `which` failed     at D:gitcodeclinic_admin_webnode_modulesisexeindex.js:42:5
npm ERR! gyp verb `which` failed     at D:gitcodeclinic_admin_webnode_modulesisexewindows.js:36:5
npm ERR! gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:192:21) {
npm ERR! gyp verb `which` failed   code: 'ENOENT'
npm ERR! gyp verb `which` failed }
npm ERR! gyp verb check python checking for Python executable "python" in the PATH
npm ERR! gyp verb `which` succeeded python C:depot_toolspython.BAT
npm ERR! gyp verb check python version `C:depot_toolspython.BAT -c "import sys; print "2.7.18
npm ERR! gyp verb check python version .%s.%s" % sys.version_info[:3];"` returned: %j
npm ERR! gyp verb get node dir no --target version specified, falling back to host node version: 14.17.5
npm ERR! gyp verb command install [ '14.17.5' ]
npm ERR! gyp verb install input version string "14.17.5"
npm ERR! gyp verb install installing version: 14.17.5
npm ERR! gyp verb install --ensure was passed, so won't reinstall if already installed
npm ERR! gyp verb install version is already installed, need to check "installVersion"
npm ERR! gyp verb got "installVersion" 9
npm ERR! gyp verb needs "installVersion" 9
npm ERR! gyp verb install version is good
npm ERR! gyp verb get node dir target node version installed: 14.17.5
npm ERR! gyp verb build dir attempting to create "build" dir: D:gitcodeclinic_admin_webnode_modulesnode-sassbuild
npm ERR! gyp verb build dir "build" dir needed to be created? D:gitcodeclinic_admin_webnode_modulesnode-sassbuild
npm ERR! gyp verb Not using VS2017: Could not use PowerShell to find VS2017
npm ERR! gyp verb build/config.gypi creating config file
npm ERR! gyp verb build/config.gypi writing out config file: D:gitcodeclinic_admin_webnode_modulesnode-sassbuildconfig.gypi
npm ERR! gyp verb config.gypi checking for gypi file: D:gitcodeclinic_admin_webnode_modulesnode-sassconfig.gypi
npm ERR! gyp verb common.gypi checking for gypi file: D:gitcodeclinic_admin_webnode_modulesnode-sasscommon.gypi
npm ERR! gyp verb gyp gyp format was not specified; forcing "msvs"
npm ERR! gyp info spawn C:depot_toolspython.BAT
npm ERR! gyp info spawn args [
npm ERR! gyp info spawn args   'D:\gitcode\clinic_admin_web\node_modules\node-gyp\gyp\gyp_main.py',
npm ERR! gyp info spawn args   'binding.gyp',
npm ERR! gyp info spawn args   '-f',
npm ERR! gyp info spawn args   'msvs',
npm ERR! gyp info spawn args   '-G',
npm ERR! gyp info spawn args   'msvs_version=auto',
npm ERR! gyp info spawn args   '-I',
npm ERR! gyp info spawn args   'D:\gitcode\clinic_admin_web\node_modules\node-sass\build\config.gypi',
npm ERR! gyp info spawn args   '-I',
npm ERR! gyp info spawn args   'D:\gitcode\clinic_admin_web\node_modules\node-gyp\addon.gypi',
npm ERR! gyp info spawn args   '-I',
npm ERR! gyp info spawn args   'C:\Users\dell\.node-gyp.17.5\include\node\common.gypi',
npm ERR! gyp info spawn args   '-Dlibrary=shared_library',
npm ERR! gyp info spawn args   '-Dvisibility=default',
npm ERR! gyp info spawn args   '-Dnode_root_dir=C:\Users\dell\.node-gyp.17.5',
npm ERR! gyp info spawn args   '-Dnode_gyp_dir=D:\gitcode\clinic_admin_web\node_modules\node-gyp',
npm ERR! gyp info spawn args   '-Dnode_lib_file=C:\Users\dell\.node-gyp.17.5\<(target_arch)\node.lib',
npm ERR! gyp info spawn args   '-Dmodule_root_dir=D:\gitcode\clinic_admin_web\node_modules\node-sass',
npm ERR! gyp info spawn args   '-Dnode_engine=v8',
npm ERR! gyp info spawn args   '--depth=.',
npm ERR! gyp info spawn args   '--no-parallel',
npm ERR! gyp info spawn args   '--generator-output',
npm ERR! gyp info spawn args   'D:\gitcode\clinic_admin_web\node_modules\node-sass\build',
npm ERR! gyp info spawn args   '-Goutput_dir=.'
npm ERR! gyp info spawn args ]
npm ERR! ϵͳ�Ҳ���ָ����·����
npm ERR! gyp ERR! configure error
npm ERR! gyp ERR! stack Error: `gyp` failed with exit code: 1
npm ERR! gyp ERR! stack     at ChildProcess.onCpExit (D:gitcodeclinic_admin_webnode_modulesnode-gyplibconfigure.js:345:16)
npm ERR! gyp ERR! stack     at ChildProcess.emit (events.js:400:28)
npm ERR! gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:277:12)
npm ERR! gyp ERR! System Windows_NT 10.0.19042
npm ERR! gyp ERR! command "C:\Program Files\nodejs\node.exe" "D:\gitcode\clinic_admin_web\node_modules\node-gyp\bin\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
npm ERR! gyp ERR! cwd D:gitcodeclinic_admin_webnode_modulesnode-sass
npm ERR! gyp ERR! node -v v14.17.5
npm ERR! gyp ERR! node-gyp -v v3.8.0
npm ERR! gyp ERR! not ok
npm ERR! Build failed with error code: 1

npm ERR! A complete log of this run can be found in:
npm ERR!     C:UsersdellAppDataLocalnpm-cache_logs2021-10-28T11_02_51_971Z-debug.log

解决方案：

• ​安装gyp命令 npm install -g node-gyp ；
• 安装Python 2.7（v3.x.x不支持），安装后要配置环境变量。成功后执行npm config set python python2.7
• 重新执行npm install
  ​