fix: use an absolute path to pip3 and python on windows

pnpm-lock.yaml

@@ -19,7 +19,6 @@ specifiers:
   cross-spawn: ^7.0.3
   eslint-config-atomic: ^1.16.6
   execa: ^5.1.1
-  hasha: ^5.2.2
   jest: ^27.4.7
   mri: ^1.2.0
   msvc-dev-cmd: git://github.com/aminya/msvc-dev-cmd#9f672c1
@@ -41,7 +40,6 @@ dependencies:
   '@actions/io': 1.1.1
   '@actions/tool-cache': 1.7.1
   execa: 5.1.1
-  hasha: 5.2.2
   mri: 1.2.0
   msvc-dev-cmd: github.com/aminya/msvc-dev-cmd/9f672c1
   semver: 7.3.5
@@ -4378,14 +4376,6 @@ packages:
       minimalistic-assert: 1.0.1
     dev: true
 
-  /hasha/5.2.2:
-    resolution: {integrity: sha512-Hrp5vIK/xr5SkeN2onO32H0MgNZ0f17HRNH39WfL0SYUNOTZ5Lz1TJ8Pajo/87dYGEFlLMm7mIc/k/s6Bvz9HQ==}
-    engines: {node: '>=8'}
-    dependencies:
-      is-stream: 2.0.1
-      type-fest: 0.8.1
-    dev: false
-
   /highlight.js/10.4.1:
     resolution: {integrity: sha512-yR5lWvNz7c85OhVAEAeFhVCc/GV4C30Fjzc/rCP0aCWzc1UUOPUk55dK/qdwTZHBvMZo+eZ2jpk62ndX/xMFlg==}
     dev: true
@@ -7771,6 +7761,7 @@ packages:
   /type-fest/0.8.1:
     resolution: {integrity: sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==}
     engines: {node: '>=8'}
+    dev: true
 
   /typedarray-to-buffer/3.1.5:
     resolution: {integrity: sha512-zdu8XMNEDepKKR+XYOXAVPtWui0ly0NtohUscw+UmaHiAWT8hrV1rr//H6V+0DvJ3OQ19S979M0laLfX8rm82Q==}

src/utils/setup/setupPipPack.ts

@@ -11,6 +11,7 @@ import { getVersion } from "../../default_versions"
 import { untildify_user as untildify } from "../path/untildify"
 
 let pip: string | undefined
+let python: string = "python3"
 
 let binDir: string | undefined
 
@@ -18,22 +19,23 @@ let binDir: string | undefined
 export async function setupPipPack(name: string, version?: string) {
   // setup python and pip if needed
   if (pip === undefined) {
-    if (which.sync("pip3", { nothrow: true }) !== null) {
+    if (process.platform === "win32") {
-      pip = "pip3"
+      const installationInfo = await setupPython(getVersion("python", undefined), untildify("python"), process.arch)
-    } else if (which.sync("pip", { nothrow: true }) !== null && (await isBinUptoDate("python", "3.0.0"))) {
+      if (installationInfo?.installDir !== undefined) {
-      pip = "pip"
+        pip = join(installationInfo.installDir, "Scripts", "pip3.exe")
+        python = join(installationInfo.installDir, "python.exe")
+      } else {
+        pip = "pip3"
+      }
     } else {
-      await setupPython("3.x", "", process.arch)
+      if (which.sync("pip3", { nothrow: true }) !== null) {
-      pip = "pip3"
+        pip = "pip3"
-    }
+      } else if (which.sync("pip", { nothrow: true }) !== null && (await isBinUptoDate("python", "3.0.0"))) {
-  }
+        pip = "pip"
-  if (process.platform === "win32") {
+      } else {
-    try {
+        await setupPython("3.x", "", process.arch)
-      // test if pip executable is working
+        pip = "pip3"
-      await execa(pip, ["--version"], { stdio: "inherit" })
+      }
-    } catch (err) {
-      await setupPython(getVersion("python", undefined), untildify("python"), process.arch)
-      pip = "pip3"
     }
   }
 
@@ -47,9 +49,10 @@ export async function setupPipPack(name: string, version?: string) {
     } else if (process.platform === "darwin") {
       binDir = "/usr/local/bin/"
     } else {
+      // windows or others
       try {
         binDir = join(
-          (await getExecOutput('python3 -c "import sys;print(sys.base_exec_prefix);"')).stdout.trim(),
+          (await getExecOutput(`${python} -c "import sys;print(sys.base_exec_prefix);"`)).stdout.trim(),
           "Scripts"
         )
       } catch {