IJPL-198335 Only checking supported languages' typo and ignoring other unsupported languages like Bulgarian

Co-authored-by: Peter Gromov <peter.gromov@jetbrains.com>

Merge-request: IJ-MR-170350
Merged-by: Ilia Permiashkin <ilia.permiashkin@jetbrains.com>

(cherry picked from commit dc696f6772e22b88d0c9edff535aff4da15c24bf)

IJ-MR-170350

GitOrigin-RevId: 115225541d617cec514e7d04219429b3173173cf

python/src/com/jetbrains/python/packaging/PyPackagesDictionary.kt

@@ -16,7 +16,9 @@ import org.jetbrains.annotations.ApiStatus
 class PyPackagesDictionary : Dictionary {
   override fun getName(): String = message("python.packages.dictionary.name")
 
-  override fun contains(word: String): Boolean? = service<PypiPackageCache>().contains(word)
+  override fun contains(word: String): Boolean? = throw UnsupportedOperationException()
+
+  override fun lookup(word: String): Dictionary.LookupStatus = service<PypiPackageCache>().lookup(word)
 
   override fun getWords(): MutableSet<String> = throw UnsupportedOperationException()
 

python/src/com/jetbrains/python/packaging/pip/PypiPackageCache.kt

@@ -8,6 +8,7 @@ import com.intellij.openapi.application.PathManager
 import com.intellij.openapi.components.Service
 import com.intellij.openapi.components.service
 import com.intellij.openapi.diagnostic.logger
+import com.intellij.spellchecker.dictionary.Dictionary.LookupStatus
 import com.intellij.util.concurrency.annotations.RequiresBackgroundThread
 import com.intellij.util.io.SafeFileOutputStream
 import com.jetbrains.python.Result
@@ -33,6 +34,7 @@ import java.util.*
 import kotlin.io.path.exists
 
 private val LOG = logger<PypiPackageCache>()
+private val ALPHABET_REGEX = Regex("[-a-z0-9]+")
 
 @ApiStatus.Internal
 @Service
@@ -42,6 +44,12 @@ class PypiPackageCache : PythonPackageCache<String> {
 
   override operator fun contains(key: String): Boolean = key in cache
 
+  fun lookup(word: String): LookupStatus {
+    if (word in cache) return LookupStatus.Present
+    if (!ALPHABET_REGEX.matches(word.lowercase())) return LookupStatus.Alien
+    return LookupStatus.Absent
+  }
+
   override fun isEmpty(): Boolean = cache.isEmpty()
 
   @Volatile

python/testData/grazie/Comments.py

@@ -1,6 +1,7 @@
 # This is <GRAMMAR_ERROR descr="EN_A_VS_AN">a</GRAMMAR_ERROR> error
 # (in a multiline comment
 #  with  parentheses)
+# Я - Пришелец!
 
 def foo():
     """