fix: ensure running setup-python in github actions

src/python/python.ts

@@ -6,7 +6,7 @@ import { setupChocoPack } from "../utils/setup/setupChocoPack"
 import { isGitHubCI } from "../utils/env/isci"
 
 export function setupPython(version: string, setupDir: string, arch: string) {
-  if (!isGitHubCI() || process.platform === "win32") {
+  if (!isGitHubCI()) {
     // TODO parse version
     return setupPythonViaSystem(version, setupDir, arch)
   }
@@ -23,7 +23,12 @@ export function setupPython(version: string, setupDir: string, arch: string) {
 export async function setupPythonViaSystem(version: string, setupDir: string, _arch: string) {
   switch (process.platform) {
     case "win32": {
-      setupChocoPack("python3", version, setupDir ? [`--params=/InstallDir:${setupDir}`] : [])
+      if (setupDir) {
+        setupChocoPack("python3", version, [`--params=/InstallDir:${setupDir}`])
+      } else {
+        setupChocoPack("python3", version)
+      }
+
       // Adding the bin dir to the path
       /** The directory which the tool is installed to */
       activateWinPython(setupDir)

src/utils/setup/setupPipPack.ts

@@ -7,11 +7,10 @@ import { addPath } from "../path/addPath"
 import { setupPython } from "../../python/python"
 import { isBinUptoDate } from "./version"
 import { join } from "path"
+import { isGitHubCI } from "../env/isci"
 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
 
@@ -19,15 +18,10 @@ let binDir: string | undefined
 export async function setupPipPack(name: string, version?: string) {
   // setup python and pip if needed
   if (pip === undefined) {
-    if (process.platform === "win32") {
+    if (isGitHubCI() && process.platform === "win32") {
-      const installationInfo = await setupPython(getVersion("python", undefined), untildify("python"), process.arch)
+      // run setupPython in actions_python anyways
-      if (installationInfo?.installDir !== undefined) {
+      await setupPython(getVersion("python", undefined), "", process.arch)
-        pip = join(installationInfo.installDir, "Scripts", "pip3.exe")
-        python = join(installationInfo.installDir, "python.exe")
-      } else {
-        pip = "pip3"
     }
-    } else {
     if (which.sync("pip3", { nothrow: true }) !== null) {
       pip = "pip3"
     } else if (which.sync("pip", { nothrow: true }) !== null && (await isBinUptoDate("python", "3.0.0"))) {
@@ -37,7 +31,6 @@ export async function setupPipPack(name: string, version?: string) {
       pip = "pip3"
     }
   }
-  }
 
   execa.sync(pip, ["install", version !== undefined && version !== "" ? `${name}==${version}` : name], {
     stdio: "inherit",
@@ -52,7 +45,7 @@ export async function setupPipPack(name: string, version?: string) {
       // windows or others
       try {
         binDir = join(
-          (await getExecOutput(`${python} -c "import sys;print(sys.base_exec_prefix);"`)).stdout.trim(),
+          (await getExecOutput(`python3 -c "import sys;print(sys.base_exec_prefix);"`)).stdout.trim(),
           "Scripts"
         )
       } catch {