forget the past.

forget the past.

1 files changed, 38 insertions, 0 deletions

diff --git a/examples/custom.py b/examples/custom.py
new file mode 100644
index 000000000..73b64e149
--- /dev/null
+++ b/examples/custom.py
@@ -0,0 +1,38 @@
+from logilab import astng
+
+from pylint.interfaces import IASTNGChecker
+from pylint.checkers import BaseChecker
+
+class MyASTNGChecker(BaseChecker):
+    """add member attributes defined using my own "properties" function
+    to the class locals dictionary
+    """
+    
+    __implements__ = IASTNGChecker
+
+    name = 'custom'
+    msgs = {}
+    options = ()
+    # this is important so that your checker is executed before others
+    priority = -1 
+
+    def visit_callfunc(self, node):
+        """called when a CallFunc node is encountered. See compiler.ast
+        documentation for a description of available nodes:
+        http://www.python.org/doc/current/lib/module-compiler.ast.html
+        )
+        """
+        if not (isinstance(node.node, astng.Getattr)
+                and isinstance(node.node.expr, astng.Name)
+                and node.node.expr.name == 'properties'
+                and node.node.attrname == 'create'):
+            return
+        in_class = node.frame()
+        for param in node.args:
+            in_class.locals[param.name] = node
+
+    
+def register(linter):
+    """required method to auto register this checker"""
+    linter.register_checker(MyASTNGChecker(linter))
+