QL tests for Python queries and libraries.

python/ql/test/query-tests/UselessCode/DuplicateCode/similar.py

@@ -0,0 +1,63 @@
+
+
+def original(the_ast):
+    def walk(node, in_function, in_name_main):
+        def flags():
+            return in_function * 2 + in_name_main
+        if isinstance(node, ast.Module):
+            for import_node in walk(node.body, in_function, in_name_main):
+                yield import_node
+        elif isinstance(node, ast.ImportFrom):
+            aliases = [ Alias(a.name, a.asname) for a in node.names]
+            yield FromImport(node.level, node.module, aliases, flags())
+        elif isinstance(node, ast.Import):
+            aliases = [ Alias(a.name, a.asname) for a in node.names]
+            yield Import(aliases, flags())
+        elif isinstance(node, ast.FunctionDef):
+            for _, child in ast.iter_fields(node):
+                for import_node in walk(child, True, in_name_main):
+                    yield import_node
+        elif isinstance(node, list):
+            for n in node:
+                for import_node in walk(n, in_function, in_name_main):
+                    yield import_node
+    return list(walk(the_ast, False, False))
+
+def similar_1(the_ast):
+    def walk(node, in_function, in_name_main):
+        def flags():
+            return in_function * 2 + in_name_main
+        if isinstance(node, ast.Module):
+            for import_node in walk(node.body, in_function, in_name_main):
+                yield import_node
+        elif isinstance(node, ast.ImportFrom):
+            aliases = [ Alias(a.name, a.asname) for a in node.names]
+            yield FromImport(node.level, node.module, aliases, flags())
+        elif isinstance(node, ast.Import):
+            aliases = [ Alias(a.name, a.asname) for a in node.names]
+            yield Import(aliases, flags())
+        elif isinstance(node, ast.FunctionDef):
+            for _, child in ast.iter_fields(node):
+                for import_node in walk(child, True, in_name_main):
+                    yield import_node
+    return list(walk(the_ast, False, False))
+
+def similar_2(the_ast):
+    def walk(node, in_function, in_name_main):
+        def flags():
+            return in_function * 2 + in_name_main
+        if isinstance(node, ast.Module):
+            for import_node in walk(node.body, in_function, in_name_main):
+                yield import_node
+        elif isinstance(node, ast.Import):
+            aliases = [ Alias(a.name, a.asname) for a in node.names]
+            yield Import(aliases, flags())
+        elif isinstance(node, ast.FunctionDef):
+            for _, child in ast.iter_fields(node):
+                for import_node in walk(child, True, in_name_main):
+                    yield import_node
+        elif isinstance(node, list):
+            for n in node:
+                for import_node in walk(n, in_function, in_name_main):
+                    yield import_node
+    return list(walk(the_ast, False, False))