Initial commit of Python queries and QL libraries.

python/ql/src/Classes/MaybeUndefinedClassAttribute.py

@@ -0,0 +1,25 @@
+class Spam:
+
+    def __init__(self):
+        self.spam = 'spam, spam, spam'
+
+    def set_eggs(eggs):
+        self.eggs = eggs
+
+    def __str__(self):
+        return '%s and %s' % (self.spam, self.eggs) # Maybe uninitialized attribute 'eggs'
+
+#Fixed version
+
+class Spam:
+
+    def __init__(self):
+        self.spam = 'spam, spam, spam'
+        self.eggs = None
+
+    def set_eggs(eggs):
+        self.eggs = eggs
+
+    def __str__(self):
+        return '%s and %s' % (self.spam, self.eggs) # OK
+