Path converter accepts only bytes, not all bytes-like objects

Author: otethal

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/PosixModuleBuiltins.java

@@ -55,7 +55,6 @@
 import com.oracle.graal.python.builtins.objects.bytes.BytesNodes;
 import com.oracle.graal.python.builtins.objects.bytes.BytesUtils;
 import com.oracle.graal.python.builtins.objects.bytes.PBytes;
-import com.oracle.graal.python.builtins.objects.bytes.PBytesLike;
 import com.oracle.graal.python.builtins.objects.common.SequenceNodes.LenNode;
 import com.oracle.graal.python.builtins.objects.common.SequenceStorageNodes;
 import com.oracle.graal.python.builtins.objects.common.SequenceStorageNodes.GetItemNode;
@@ -2387,7 +2386,7 @@ PosixFileHandle doUnicode(PString value,
         }
 
         @Specialization
-        PosixFileHandle doBytes(PBytesLike value,
+        PosixFileHandle doBytes(PBytes value,
                         @Cached BytesNodes.ToBytesNode toByteArrayNode,
                         @CachedLibrary("getPosixSupport()") PosixSupportLibrary posixLib) {
             return new PosixPath(value, checkPath(posixLib.createPathFromBytes(getPosixSupport(), toByteArrayNode.execute(value))), true);
@@ -2443,7 +2442,7 @@ PosixFileHandle doGeneric(VirtualFrame frame, Object value,
         }
 
         protected boolean isHandled(Object value) {
-            return PGuards.isPNone(value) && nullable || PGuards.canBeInteger(value) && allowFd || PGuards.isString(value) || PGuards.isBytes(value);
+            return PGuards.isPNone(value) && nullable || PGuards.canBeInteger(value) && allowFd || PGuards.isString(value) || PGuards.isPBytes(value);
         }
 
         private String getAllowedTypes() {

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/PGuards.java

@@ -45,6 +45,7 @@
 import com.oracle.graal.python.builtins.objects.PNone;
 import com.oracle.graal.python.builtins.objects.PythonAbstractObject;
 import com.oracle.graal.python.builtins.objects.array.PArray;
+import com.oracle.graal.python.builtins.objects.bytes.PBytes;
 import com.oracle.graal.python.builtins.objects.bytes.PBytesLike;
 import com.oracle.graal.python.builtins.objects.cext.PythonNativeClass;
 import com.oracle.graal.python.builtins.objects.cext.PythonNativeObject;
@@ -415,6 +416,10 @@ public static boolean isBytes(Object obj) {
         return obj instanceof PBytesLike;
     }
 
+    public static boolean isPBytes(Object obj) {
+        return obj instanceof PBytes;
+    }
+
     public static boolean isArray(Object obj) {
         return obj instanceof PArray;
     }