Python: Autoformat everything using qlformat.

Will need subsequent PRs fixing up test failures (due to deprecated
methods moving around), but other than that everything should be
straight-forward.

python/ql/test/experimental/dataflow/basic/callGraph.ql

@@ -1,9 +1,5 @@
 import callGraphConfig
 
-from
-  DataFlow::Node source,
-  DataFlow::Node sink
-where
-  exists(CallGraphConfig cfg | cfg.hasFlow(source, sink))
-select
-  source, sink
+from DataFlow::Node source, DataFlow::Node sink
+where exists(CallGraphConfig cfg | cfg.hasFlow(source, sink))
+select source, sink

python/ql/test/experimental/dataflow/basic/callGraphConfig.qll

@@ -1,7 +1,7 @@
 import experimental.dataflow.DataFlow
 
 /**
- * A configuration to find the call graph edges. 
+ * A configuration to find the call graph edges.
  */
 class CallGraphConfig extends DataFlow::Configuration {
   CallGraphConfig() { this = "CallGraphConfig" }

python/ql/test/experimental/dataflow/basic/callGraphSinks.ql

@@ -2,4 +2,4 @@ import callGraphConfig
 
 from DataFlow::Node sink
 where exists(CallGraphConfig cfg | cfg.isSink(sink))
-select sink
+select sink

python/ql/test/experimental/dataflow/basic/callGraphSources.ql

@@ -2,4 +2,4 @@ import callGraphConfig
 
 from DataFlow::Node source
 where exists(CallGraphConfig cfg | cfg.isSource(source))
-select source
+select source

python/ql/test/experimental/dataflow/basic/global.ql

@@ -1,10 +1,7 @@
 import allFlowsConfig
 
-from
-  DataFlow::Node source,
-  DataFlow::Node sink
+from DataFlow::Node source, DataFlow::Node sink
 where
-  source != sink and 
+  source != sink and
   exists(AllFlowsConfig cfg | cfg.hasFlow(source, sink))
-select
-  source, sink
+select source, sink

python/ql/test/experimental/dataflow/basic/globalStep.ql

@@ -1,9 +1,5 @@
 import allFlowsConfig
 
-from
-  DataFlow::PathNode fromNode,
-  DataFlow::PathNode toNode
-where
-  toNode = fromNode.getASuccessor()
-select
-  fromNode, toNode
+from DataFlow::PathNode fromNode, DataFlow::PathNode toNode
+where toNode = fromNode.getASuccessor()
+select fromNode, toNode

python/ql/test/experimental/dataflow/basic/local.ql

@@ -1,9 +1,5 @@
 import experimental.dataflow.DataFlow
 
-from
-  DataFlow::Node fromNode,
-  DataFlow::Node toNode
-where
-  DataFlow::localFlow(fromNode, toNode)
-select
-  fromNode, toNode
+from DataFlow::Node fromNode, DataFlow::Node toNode
+where DataFlow::localFlow(fromNode, toNode)
+select fromNode, toNode

python/ql/test/experimental/dataflow/basic/localStep.ql

@@ -1,9 +1,5 @@
 import experimental.dataflow.DataFlow
 
-from
-  DataFlow::Node fromNode,
-  DataFlow::Node toNode
-where
-  DataFlow::localFlowStep(fromNode, toNode)
-select
-  fromNode, toNode
+from DataFlow::Node fromNode, DataFlow::Node toNode
+where DataFlow::localFlowStep(fromNode, toNode)
+select fromNode, toNode

python/ql/test/experimental/dataflow/basic/maximalFlows.ql

@@ -1,10 +1,7 @@
 import maximalFlowsConfig
 
-from
-  DataFlow::Node source,
-  DataFlow::Node sink
+from DataFlow::Node source, DataFlow::Node sink
 where
-  source != sink and 
+  source != sink and
   exists(MaximalFlowsConfig cfg | cfg.hasFlow(source, sink))
-select
-  source, sink
+select source, sink

python/ql/test/experimental/dataflow/basic/maximalFlowsConfig.qll

@@ -11,9 +11,7 @@ class MaximalFlowsConfig extends DataFlow::Configuration {
     node instanceof DataFlow::ParameterNode
     or
     node instanceof DataFlow::EssaNode and
-    not exists(DataFlow::EssaNode pred |
-      DataFlow::localFlowStep(pred, node)
-    )
+    not exists(DataFlow::EssaNode pred | DataFlow::localFlowStep(pred, node))
   }
 
   override predicate isSink(DataFlow::Node node) {

python/ql/test/experimental/dataflow/basic/sinks.ql

@@ -2,4 +2,4 @@ import allFlowsConfig
 
 from DataFlow::Node sink
 where exists(AllFlowsConfig cfg | cfg.isSink(sink))
-select sink
+select sink

python/ql/test/experimental/dataflow/basic/sources.ql

@@ -2,4 +2,4 @@ import allFlowsConfig
 
 from DataFlow::Node source
 where exists(AllFlowsConfig cfg | cfg.isSource(source))
-select source
+select source

python/ql/test/experimental/dataflow/coverage/dataflow.ql

@@ -1,9 +1,5 @@
 import experimental.dataflow.testConfig
 
-from
-  DataFlow::Node source,
-  DataFlow::Node sink
-where
-  exists(TestConfiguration cfg | cfg.hasFlow(source, sink))
-select
-  source, sink
+from DataFlow::Node source, DataFlow::Node sink
+where exists(TestConfiguration cfg | cfg.hasFlow(source, sink))
+select source, sink

python/ql/test/experimental/dataflow/regression/dataflow.ql

@@ -7,10 +7,6 @@
 
 import experimental.dataflow.testConfig
 
-from
-  DataFlow::Node source,
-  DataFlow::Node sink
-where
-  exists(TestConfiguration cfg | cfg.hasFlow(source, sink))
-select
-  source, sink
+from DataFlow::Node source, DataFlow::Node sink
+where exists(TestConfiguration cfg | cfg.hasFlow(source, sink))
+select source, sink

python/ql/test/experimental/dataflow/testConfig.qll

@@ -9,9 +9,9 @@
  *      SINK(s)
  * ```
  * `SOURCE` will be a source and the second occurance of `s` will be a sink.
- * 
+ *
  * In order to test literals, alternative sources are defined for each type:
- * 
+ *
  *  for | use
  * ----------
  * string | `"source"`
@@ -25,7 +25,7 @@ import experimental.dataflow.DataFlow
 class TestConfiguration extends DataFlow::Configuration {
   TestConfiguration() { this = "TestConfiguration" }
 
-   override predicate isSource(DataFlow::Node node) {
+  override predicate isSource(DataFlow::Node node) {
     node.(DataFlow::CfgNode).getNode().(NameNode).getId() = "SOURCE"
     or
     node.(DataFlow::CfgNode).getNode().getNode().(StrConst).getS() = "source"
@@ -36,7 +36,7 @@ class TestConfiguration extends DataFlow::Configuration {
     // No support for complex numbers
   }
 
-   override predicate isSink(DataFlow::Node node) {
+  override predicate isSink(DataFlow::Node node) {
     exists(CallNode call |
       call.getFunction().(NameNode).getId() in ["SINK", "SINK_F"] and
       node.(DataFlow::CfgNode).getNode() = call.getAnArg()