start omitting some tests with opaque FS

Author: timfel

graalpython/com.oracle.graal.python.test/src/tests/cpyext/__init__.py

@@ -71,6 +71,12 @@ def setUp(self):
 
 
 def ccompile(self, name):
+    if getattr(sys, "graal_python_opaque_filesystem", False):
+        # distutils won't fully work with an opaque filesystem,
+        # because we cannot read bytes from files and manipulate
+        # them. We hope the code was already compiled.
+        return
+
     from distutils.core import setup, Extension
     source_file = '%s/%s.c' % (__dir__, name)
     file_not_empty(source_file)
@@ -459,7 +465,7 @@ def CPyExtType(name, code, **kwargs):
         {nb_inplace_matrix_multiply},
     """ if sys.version_info.minor >= 6 else "") + """
     }};
-    
+
     static struct PyMethodDef {name}_methods[] = {{
         {tp_methods},
         {{NULL, NULL, 0, NULL}}

graalpython/com.oracle.graal.python.test/src/tests/cpyext/test_err.py

@@ -152,23 +152,24 @@ def compile_module(self, name):
         cmpfunc=unhandled_error_compare
     )
 
-    test_PyErr_PrintEx = CPyExtFunction(
-        lambda args: None,
-        lambda: (
-            (True,),
-        ),
-        code="""PyObject* wrap_PyErr_PrintEx(int n) {
-            PyErr_SetString(PyExc_KeyError, "unknown key whatsoever");
-            PyErr_PrintEx(n);
-            return Py_None;
-        }
-        """,
-        resultspec="O",
-        argspec='i',
-        arguments=["int n"],
-        callfunction="wrap_PyErr_PrintEx",
-        cmpfunc=unhandled_error_compare
-    )
+    if not getattr(sys, "graal_python_opaque_filesystem", False):
+        test_PyErr_PrintEx = CPyExtFunction(
+            lambda args: None,
+            lambda: (
+                (True,),
+            ),
+            code="""PyObject* wrap_PyErr_PrintEx(int n) {
+                 PyErr_SetString(PyExc_KeyError, "unknown key whatsoever");
+                 PyErr_PrintEx(n);
+                 return Py_None;
+             }
+             """,
+            resultspec="O",
+            argspec='i',
+            arguments=["int n"],
+            callfunction="wrap_PyErr_PrintEx",
+            cmpfunc=unhandled_error_compare
+        )
 
     test_PyErr_GivenExceptionMatches = CPyExtFunction(
         _reference_givenexceptionmatches,
@@ -266,16 +267,17 @@ def compile_module(self, name):
         cmpfunc=unhandled_error_compare
     )
 
-    test_PyErr_WarnEx = CPyExtFunctionVoid(
-        lambda args: warnings.warn(args[1], args[0], args[2]),
-        lambda: (
-            (UserWarning, "custom warning", 1),
-        ),
-        resultspec="O",
-        argspec='Osn',
-        arguments=["PyObject* category", "char* msg", "Py_ssize_t level"],
-        cmpfunc=unhandled_error_compare
-    )
+    if not getattr(sys, "graal_python_opaque_filesystem", False):
+        test_PyErr_WarnEx = CPyExtFunctionVoid(
+            lambda args: warnings.warn(args[1], args[0], args[2]),
+            lambda: (
+                (UserWarning, "custom warning", 1),
+            ),
+            resultspec="O",
+            argspec='Osn',
+            arguments=["PyObject* category", "char* msg", "Py_ssize_t level"],
+            cmpfunc=unhandled_error_compare
+        )
 
     test_PyErr_NoMemory = CPyExtFunctionVoid(
         _reference_nomemory,

graalpython/com.oracle.graal.python.test/src/tests/test_pyio.py

@@ -176,3 +176,11 @@ def test_builtin_open():
         unlink(file_name)
 
     assert success
+
+
+import sys
+if getattr(sys, "graal_python_opaque_filesystem", False):
+    # this cannot possibly work with opaque files
+    for k in globals():
+        if k.startswith("test_"):
+            del globals()[k]

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

@@ -149,6 +149,7 @@ public void initialize(PythonCore core) {
         }));
         builtinConstants.put("graal_python_core_home", PythonOptions.getOption(core.getContext(), PythonOptions.CoreHome));
         builtinConstants.put("graal_python_stdlib_home", PythonOptions.getOption(core.getContext(), PythonOptions.StdLibHome));
+        builtinConstants.put("graal_python_opaque_filesystem", PythonOptions.getOption(core.getContext(), PythonOptions.OpaqueFilesystem));
         // the default values taken from JPython
         builtinConstants.put("float_info", core.factory().createTuple(new Object[]{
                         Double.MAX_VALUE,       // DBL_MAX