Merge pull request #1784 from markshannon/python-move-essa-together

Python: Move all ESSA related code into one folder.

Author: taus-semmle

python/ql/src/Resources/FileOpen.qll

@@ -1,6 +1,5 @@
 import python
 import semmle.python.GuardedControlFlow
-import semmle.python.dataflow.SsaDefinitions
 import semmle.python.pointsto.Filters
 
 /** Holds if `open` is a call that returns a newly opened file */

python/ql/src/analysis/CrossProjectDefinitions.qll

@@ -3,7 +3,6 @@
  */
  import python
 
-import semmle.dataflow.SSA
 import semmle.python.pointsto.PointsTo
 
 private newtype TSymbol =

python/ql/src/analysis/DefinitionTracking.qll

@@ -1,9 +1,8 @@
 /**
  * Definition tracking for jump-to-defn query.
  */
- import python
+import python
 
-import semmle.dataflow.SSA
 import semmle.python.pointsto.PointsTo
 
 private newtype TDefinition =

python/ql/src/python.qll

@@ -32,7 +32,7 @@ import semmle.python.Assigns
 import semmle.python.SelfAttribute
 import semmle.python.types.Properties
 import semmle.python.xml.XML
-import semmle.dataflow.SSA
+import semmle.python.essa.Essa
 import semmle.python.pointsto.Base
 import semmle.python.pointsto.Context
 import semmle.python.pointsto.CallGraph