Added two display hint test cases. Enabled breakpoints in MIBs.

pysnmp/smi/builder.py

@@ -18,6 +18,9 @@
 from pysnmp import debug, version as pysnmp_version
 from pysnmp.smi import error
 
+if __debug__:
+    import runpy
+
 
 PY_SUFFIXES = SOURCE_SUFFIXES + BYTECODE_SUFFIXES
 
@@ -354,7 +357,12 @@ def load_module(self, modName, **userCtx):
             g = {"mibBuilder": self, "userCtx": userCtx}
 
             try:
-                exec(codeObj, g)
+                if __debug__:
+                    runpy.run_path(
+                        modPath, g
+                    )  # IMPORTANT: enable break points in loaded MIBs
+                else:
+                    exec(codeObj, g)
 
             except Exception:
                 self.__modPathsSeen.remove(modPath)
@@ -417,11 +425,6 @@ def load_modules(self, *modNames, **userCtx):
                         f"{modName} compilation error(s): {errs}"
                     )
 
-                if errs:
-                    raise error.MibNotFoundError(
-                        f"{modName} compilation error(s): {errs}"
-                    )
-
                 # compilation succeeded, MIB might load now
                 self.load_module(modName, **userCtx)
 

tests/agent_context.py

@@ -8,6 +8,7 @@
 import asyncio
 import time
 
+
 # Set the port to 1611 instead of 161, because 161 is a
 # privileged port and requires root access
 AGENT_PORT = 1611
@@ -152,6 +153,16 @@ def get_fixed_date_and_time():
             MibScalarInstance(
                 (1, 3, 6, 1, 4, 1, 60069, 9, 6), (0,), PhysAddress(initial_phys_address)
             ),
+            MibScalar((1, 3, 6, 1, 4, 1, 60069, 9, 7), v2c.Integer32()).setMaxAccess(
+                "read-write"
+            ),
+            MibScalarInstance((1, 3, 6, 1, 4, 1, 60069, 9, 7), (0,), v2c.Integer32(50)),
+            MibScalar((1, 3, 6, 1, 4, 1, 60069, 9, 8), v2c.Unsigned32()).setMaxAccess(
+                "read-write"
+            ),
+            MibScalarInstance(
+                (1, 3, 6, 1, 4, 1, 60069, 9, 8), (0,), v2c.Unsigned32(50)
+            ),
         )
 
         # --- end of Managed Object Instance initialization ----

tests/hlapi/v1arch/asyncio/manager/cmdgen/test_v1arch_v1_get.py

@@ -201,3 +201,71 @@ async def test_v1_get_physaddress_object():
         assert (
             varBinds[0][1].prettyPrint() == "00:11:22:33:44:55"
         )  # IMPORTANT: test PhysAddress display hint.
+
+
+@pytest.mark.asyncio
+async def test_v1_get_scaled_integer_object():
+    async with AgentContextManager(enable_custom_objects=True):
+        snmpDispatcher = SnmpDispatcher()
+        # Step 1: Set up MIB builder and add custom MIB directory
+        mibBuilder = builder.MibBuilder()
+        compiler.addMibCompiler(mibBuilder)
+        mibViewController = view.MibViewController(mibBuilder)
+
+        # Load the custom MIB
+        mibBuilder.loadModules("LEXTUDIO-TEST-MIB")
+        snmpDispatcher.cache["mibViewController"] = mibViewController
+
+        errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
+            snmpDispatcher,
+            CommunityData("public", mpModel=0),
+            await UdpTransportTarget.create(
+                ("localhost", AGENT_PORT), timeout=1, retries=0
+            ),
+            ObjectType(
+                ObjectIdentity("LEXTUDIO-TEST-MIB", "testScaledInteger", 0)
+            ),  # "1.3.6.1.4.1.60069.9.7.0"
+        )
+        assert errorIndication is None
+        assert errorIndication is None
+        assert errorStatus == 0
+        assert errorIndex == 0
+        assert len(varBinds) == 1
+        assert varBinds[0][0].prettyPrint() == "LEXTUDIO-TEST-MIB::testScaledInteger.0"
+        assert (
+            varBinds[0][1].prettyPrint() == "5.0"
+        )  # IMPORTANT: test display hint "d-1".
+
+
+@pytest.mark.asyncio
+async def test_v1_get_scaled_unsigned_object():
+    async with AgentContextManager(enable_custom_objects=True):
+        snmpDispatcher = SnmpDispatcher()
+        # Step 1: Set up MIB builder and add custom MIB directory
+        mibBuilder = builder.MibBuilder()
+        compiler.addMibCompiler(mibBuilder)
+        mibViewController = view.MibViewController(mibBuilder)
+
+        # Load the custom MIB
+        mibBuilder.loadModules("LEXTUDIO-TEST-MIB")
+        snmpDispatcher.cache["mibViewController"] = mibViewController
+
+        errorIndication, errorStatus, errorIndex, varBinds = await get_cmd(
+            snmpDispatcher,
+            CommunityData("public", mpModel=0),
+            await UdpTransportTarget.create(
+                ("localhost", AGENT_PORT), timeout=1, retries=0
+            ),
+            ObjectType(
+                ObjectIdentity("LEXTUDIO-TEST-MIB", "testScaledUnsigned", 0)
+            ),  # "1.3.6.1.4.1.60069.9.8.0"
+        )
+        assert errorIndication is None
+        assert errorIndication is None
+        assert errorStatus == 0
+        assert errorIndex == 0
+        assert len(varBinds) == 1
+        assert varBinds[0][0].prettyPrint() == "LEXTUDIO-TEST-MIB::testScaledUnsigned.0"
+        assert (
+            varBinds[0][1].prettyPrint() == "50"  # GitHub issue #139
+        )  # IMPORTANT: test display hint "d-1".