Fix python coverage database bug with access to database directory (#1553)

(cherry picked from commit 44bc8cd)

Author: tamarinvs19

utbot-intellij-python/src/main/kotlin/org/utbot/intellij/plugin/language/python/PythonDialogProcessor.kt

@@ -233,7 +233,10 @@ object PythonDialogProcessor {
                     if (installResult.exitValue != 0) {
                         showErrorDialogLater(
                             project,
-                            "Requirements installing failed",
+                            "Requirements installing failed.<br>" +
+                                    "${installResult.stderr}<br><br>" +
+                                    "Try to install with pip:<br>" +
+                                    " ${requirements.joinToString("<br>")}",
                             "Requirements error"
                         )
                     }

utbot-python/src/main/kotlin/org/utbot/python/PythonEngine.kt

@@ -177,11 +177,14 @@ class PythonEngine(
                 when(val evaluationResult = jobResult.evalResult) {
                     is PythonEvaluationError -> {
                         if (evaluationResult.status != 0) {
+                            val errorMessage = "Error evaluation: ${evaluationResult.status}, ${evaluationResult.message}, ${evaluationResult.stackTrace}"
+                            logger.info { errorMessage }
                             yield(UtError(
-                                "Error evaluation: ${evaluationResult.status}, ${evaluationResult.message}",
+                                errorMessage,
                                 Throwable(evaluationResult.stackTrace.joinToString("\n"))
                             ))
                         } else {
+                            logger.info { "Python evaluation error: ${evaluationResult.message}" }
                             yield(
                                 UtError(
                                     evaluationResult.message,

utbot-python/src/main/kotlin/org/utbot/python/PythonEvaluation.kt

@@ -15,7 +15,6 @@ import org.utbot.python.utils.getResult
 import org.utbot.python.utils.startProcess
 import java.io.File
 
-
 sealed class PythonEvaluationResult
 
 class PythonEvaluationError(
@@ -64,13 +63,18 @@ fun startEvaluationProcess(input: EvaluationInput): EvaluationProcess {
         tag = "out_" + input.method.name + ".py",
         addToCleaner = false
     )
+    val coverageDatabasePath = TemporaryFileManager.assignTemporaryFile(
+        tag = "coverage_db_" + input.method.name,
+        addToCleaner = false,
+    )
     val runCode = PythonCodeGenerator.generateRunFunctionCode(
         input.method,
         input.methodArguments,
         input.directoriesForSysPath,
         input.moduleToImport,
         input.additionalModulesToImport,
-        fileForOutput.path.replace("\\", "\\\\")
+        fileForOutput.path.replace("\\", "\\\\"),
+        coverageDatabasePath.absolutePath.replace("\\", "\\\\")
     )
     val fileWithCode = TemporaryFileManager.createTemporaryFile(
         runCode,

utbot-python/src/main/kotlin/org/utbot/python/code/CodeGen.kt

@@ -20,7 +20,8 @@ object PythonCodeGenerator {
         directoriesForSysPath: Set<String>,
         moduleToImport: String,
         additionalModules: Set<String> = emptySet(),
-        fileForOutputName: String
+        fileForOutputName: String,
+        coverageDatabasePath: String,
     ): String {
         val context = UtContext(this::class.java.classLoader)
         withUtContext(context) {
@@ -36,7 +37,8 @@ object PythonCodeGenerator {
                 directoriesForSysPath,
                 moduleToImport,
                 additionalModules,
-                fileForOutputName
+                fileForOutputName,
+                coverageDatabasePath,
             )
         }
     }

utbot-python/src/main/kotlin/org/utbot/python/framework/codegen/model/PythonCodeGenerator.kt

@@ -104,7 +104,8 @@ class PythonCodeGenerator(
         directoriesForSysPath: Set<String>,
         moduleToImport: String,
         additionalModules: Set<String> = emptySet(),
-        fileForOutputName: String
+        fileForOutputName: String,
+        coverageDatabasePath: String,
     ): String {
         val cgRendererContext = CgRendererContext.fromCgContext(context)
         val printer = CgPrinterImpl()
@@ -143,14 +144,15 @@ class PythonCodeGenerator(
             arguments.associateBy { argument -> CgLiteral(pythonStrClassId, "'${argument.name}'") }
         )
 
-        val fullpath = CgLiteral(pythonStrClassId, "'${method.moduleFilename}'")
-
+        val fullpath = CgLiteral(pythonStrClassId, "'${method.moduleFilename.replace("\\", "\\\\")}'")
         val outputPath = CgLiteral(pythonStrClassId, "'$fileForOutputName'")
+        val databasePath = CgLiteral(pythonStrClassId, "'$coverageDatabasePath'")
 
         val executorCall = CgPythonFunctionCall(
             pythonNoneClassId,
             executorFunctionName,
             listOf(
+                databasePath,
                 functionName,
                 args,
                 kwargs,

utbot-python/src/main/kotlin/org/utbot/python/utils/TemporaryFileManager.kt

@@ -4,15 +4,14 @@ import org.utbot.common.FileUtil
 import java.io.File
 import java.nio.file.Path
 import java.nio.file.Paths
-import kotlin.io.path.deleteExisting
 
 object TemporaryFileManager {
     private lateinit var tmpDirectory: Path
     private var nextId = 0
 
     fun setup() {
         tmpDirectory = FileUtil.createTempDirectory("python-test-generation-${nextId++}")
-        Cleaner.addFunction { tmpDirectory.deleteExisting() }
+        Cleaner.addFunction { tmpDirectory.toFile().deleteRecursively() }
     }
 
     fun assignTemporaryFile(fileName_: String? = null, tag: String? = null, addToCleaner: Boolean = true): File {

utbot-python/src/main/resources/requirements.txt

@@ -2,4 +2,4 @@ mypy==0.971
 astor
 typeshed-client
 coverage
-utbot-executor
+utbot-executor==0.1.7