From df135fc4fb997dff7c92a5a6af5acdca3b361706 Mon Sep 17 00:00:00 2001
From: Andrey Vlasovskikh <andrey.vlasovskikh@jetbrains.com>
Date: Thu, 19 Sep 2013 20:57:12 +0400
Subject: [PATCH] Disabled call arguments inspection for decorated functions
 (PY-10601)

---
 .../inspections/PyArgumentListInspection.java       | 13 ++++++++++++-
 .../decoratedChangedParameters.py                   | 10 ++++++++++
 .../inspections/PyArgumentListInspectionTest.java   |  5 +++++
 3 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 python/testData/inspections/PyArgumentListInspection/decoratedChangedParameters.py

diff --git a/python/src/com/jetbrains/python/inspections/PyArgumentListInspection.java b/python/src/com/jetbrains/python/inspections/PyArgumentListInspection.java
index b6c5b7be30a2..d412d23e2ea6 100644
--- a/python/src/com/jetbrains/python/inspections/PyArgumentListInspection.java
+++ b/python/src/com/jetbrains/python/inspections/PyArgumentListInspection.java
@@ -10,7 +10,10 @@ import com.jetbrains.python.PyNames;
 import com.jetbrains.python.PyTokenTypes;
 import com.jetbrains.python.psi.*;
 import com.jetbrains.python.psi.resolve.PyResolveContext;
-import com.jetbrains.python.psi.types.*;
+import com.jetbrains.python.psi.types.PyABCUtil;
+import com.jetbrains.python.psi.types.PyType;
+import com.jetbrains.python.psi.types.PyTypeChecker;
+import com.jetbrains.python.psi.types.TypeEvalContext;
 import org.jetbrains.annotations.Nls;
 import org.jetbrains.annotations.NotNull;
 
@@ -88,6 +91,14 @@ public class PyArgumentListInspection extends PyInspection {
   public static void inspectPyArgumentList(PyArgumentList node, ProblemsHolder holder, final TypeEvalContext context, int implicitOffset) {
     if (node.getParent() instanceof PyClass) return; // class Foo(object) is also an arg list
     CallArgumentsMapping result = node.analyzeCall(PyResolveContext.noImplicits().withTypeEvalContext(context), implicitOffset);
+    final PyCallExpression.PyMarkedCallee callee = result.getMarkedCallee();
+    if (callee != null) {
+      final Callable callable = callee.getCallable();
+      // Decorate functions may have different parameter lists. We don't match arguments with parameters of decorators yet
+      if (callable instanceof PyFunction && PyUtil.hasCustomDecorators((PyFunction)callable)) {
+        return;
+      }
+    }
     highlightIncorrectArguments(holder, result, context);
     highlightMissingArguments(node, holder, result);
     highlightStarArgumentTypeMismatch(node, holder, context);
diff --git a/python/testData/inspections/PyArgumentListInspection/decoratedChangedParameters.py b/python/testData/inspections/PyArgumentListInspection/decoratedChangedParameters.py
new file mode 100644
index 000000000000..83f7873005f4
--- /dev/null
+++ b/python/testData/inspections/PyArgumentListInspection/decoratedChangedParameters.py
@@ -0,0 +1,10 @@
+def fill(f):
+    return lambda: f('test')
+
+
+@fill
+def test(x):
+    return x
+
+
+test()
diff --git a/python/testSrc/com/jetbrains/python/inspections/PyArgumentListInspectionTest.java b/python/testSrc/com/jetbrains/python/inspections/PyArgumentListInspectionTest.java
index 1c441fcb3533..b9e9cb53b3d3 100644
--- a/python/testSrc/com/jetbrains/python/inspections/PyArgumentListInspectionTest.java
+++ b/python/testSrc/com/jetbrains/python/inspections/PyArgumentListInspectionTest.java
@@ -133,4 +133,9 @@ public class PyArgumentListInspectionTest extends PyTestCase {
   public void testFloatConstructor() {
     doTest();
   }
+
+  // PY-10601
+  public void testDecoratedChangedParameters() {
+    doTest();
+  }
 }