Revert "Python Env Tests: support python.exe from Windows Apps in PYTHON_FOR_TESTS"

This reverts commit dc3c04ab43749a1c02285ccdc4deab01f49b13c1.


(cherry picked from commit 93aaf56d801631313443cf9f04b58f6da1cd964e)

IJ-CR-178048

GitOrigin-RevId: f44adec30cb46f26f8717a9bb4b8174766e8fea0

python/setup-test-environment/src/com/intellij/python/community/testFramework/testEnv/PythonType.kt

@@ -3,24 +3,19 @@ package com.intellij.python.community.testFramework.testEnv
 
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.projectRoots.Sdk
-import com.intellij.openapi.util.SystemInfo
 import com.intellij.openapi.vfs.newvfs.impl.VfsRootAccess
 import com.intellij.util.concurrency.annotations.RequiresBackgroundThread
 import com.jetbrains.python.PythonBinary
 import com.jetbrains.python.sdk.flavors.PythonSdkFlavor
 import com.jetbrains.python.venvReader.VirtualEnvReader
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.*
-import kotlinx.coroutines.withContext
 import org.jetbrains.annotations.NonNls
-import java.nio.file.FileSystemException
 import java.nio.file.Path
-import java.nio.file.attribute.BasicFileAttributes
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.Result.Companion.failure
-import kotlin.io.path.listDirectoryEntries
+import kotlin.io.path.exists
+import kotlin.io.path.isDirectory
 import kotlin.io.path.pathString
-import kotlin.io.path.readAttributes
 
 /**
  * Gradle script installs two types of python: conda and vanilla. Env could be obtained by [createSdkClosableEnv] which also provides closable
@@ -72,44 +67,16 @@ abstract class PythonType<T : Any>(private val tag: @NonNls String) {
         """.trimIndent())
       }
       val pythonPath = Path.of(pythonStr)
-
-      withContext(Dispatchers.IO) {
-        var pythonBinary: Path? = null
-        val err = IllegalStateException("$PYTHON_FOR_TESTS env var points to something that is not a python: $pythonPath")
-
-        try {
-          val attrs = pythonPath.readAttributes<BasicFileAttributes>()
-
-          pythonBinary = if (attrs.isDirectory) {
-            VirtualEnvReader.Instance.findPythonInPythonRoot(pythonPath)
-          }
-          else {
-            pythonPath
-          }
-        }
-        catch (err2: FileSystemException) {
-          err.initCause(err2)
-
-          // Handling a possible reparse point from WindowsApps.
-          if (SystemInfo.isWindows && err2.javaClass == FileSystemException::class.java) {
-            try {
-              if (pythonPath in pythonPath.parent!!.listDirectoryEntries()) {
-                pythonBinary = pythonPath
-              }
-            }
-            catch (err3: FileSystemException) {
-              err.addSuppressed(err3)
-            }
-          }
-        }
-
-        pythonBinary?.parent ?: throw err
-      }
+      val pythonBinary = when {
+                           pythonPath.isDirectory() -> VirtualEnvReader.Instance.findPythonInPythonRoot(pythonPath)
+                           pythonPath.exists() -> pythonPath
+                           else -> null
+                         } ?: error("$PYTHON_FOR_TESTS env var points to something that is not a python: $pythonPath")
+      pythonBinary.parent
     }
     else {
       null
     }
-
     if (customPythonDir != null) {
       pythons.add(customPythonDir)
     }