Python: Change all remaining occurrences of StrConst

Done using
```
git grep StrConst | xargs sed -i 's/StrConst/StringLiteral/g'
```

Author: tausbn

python/ql/examples/snippets/raw_string.ql

@@ -8,6 +8,6 @@
 
 import python
 
-from StrConst s
+from StringLiteral s
 where s.getPrefix().matches("%r%")
 select s

python/ql/examples/snippets/singlequotestring.ql

@@ -9,6 +9,6 @@
 
 import python
 
-from StrConst s
+from StringLiteral s
 where s.getPrefix().charAt(_) = "'"
 select s

python/ql/lib/analysis/DefinitionTracking.qll

@@ -410,7 +410,7 @@ private predicate sets_attribute(ArgumentRefinement def, string name) {
     call = def.getDefiningNode() and
     call.getFunction().refersTo(Object::builtin("setattr")) and
     def.getInput().getAUse() = call.getArg(0) and
-    call.getArg(1).getNode().(StrConst).getText() = name
+    call.getArg(1).getNode().(StringLiteral).getText() = name
   )
 }
 

python/ql/lib/experimental/cryptography/modules/stdlib/HashlibModule.qll

@@ -26,10 +26,10 @@ module Hashes {
     }
 
     override string getName() {
-      result = super.normalizeName(this.asExpr().(StrConst).getText())
+      result = super.normalizeName(this.asExpr().(StringLiteral).getText())
       or
       // if not a known/static string, assume from an outside source and the algorithm is UNKNOWN
-      not this.asExpr() instanceof StrConst and result = unknownAlgorithm()
+      not this.asExpr() instanceof StringLiteral and result = unknownAlgorithm()
     }
   }
 
@@ -49,10 +49,10 @@ module Hashes {
     }
 
     override string getName() {
-      result = super.normalizeName(this.asExpr().(StrConst).getText())
+      result = super.normalizeName(this.asExpr().(StringLiteral).getText())
       or
       // if not a known/static string, assume from an outside source and the algorithm is UNKNOWN
-      not this.asExpr() instanceof StrConst and result = unknownAlgorithm()
+      not this.asExpr() instanceof StringLiteral and result = unknownAlgorithm()
     }
   }
 
@@ -88,9 +88,9 @@ module Hashes {
       // Name is a string constant or consider the name unknown
       // NOTE: we are excluding hmac.new and hmac.HMAC constructor calls so we are expecting
       //      a string or an outside configuration only
-      result = super.normalizeName(this.asExpr().(StrConst).getText())
+      result = super.normalizeName(this.asExpr().(StringLiteral).getText())
       or
-      not this.asExpr() instanceof StrConst and
+      not this.asExpr() instanceof StringLiteral and
       result = unknownAlgorithm()
     }
   }

python/ql/lib/experimental/cryptography/modules/stdlib/HmacModule.qll

@@ -62,9 +62,9 @@ module Hashes {
       then result = super.normalizeName("MD5")
       else (
         // Else get the string name, if its a string constant, or UNKNOWN if otherwise
-        result = super.normalizeName(this.asExpr().(StrConst).getText())
+        result = super.normalizeName(this.asExpr().(StringLiteral).getText())
         or
-        not this.asExpr() instanceof StrConst and result = unknownAlgorithm()
+        not this.asExpr() instanceof StringLiteral and result = unknownAlgorithm()
       )
     }
   }

python/ql/lib/semmle/python/ApiGraphs.qll

@@ -257,7 +257,7 @@ module API {
      */
     Node getSubscript(string key) {
       exists(API::Node index | result = this.getSubscriptAt(index) |
-        key = index.getAValueReachingSink().asExpr().(PY::StrConst).getText()
+        key = index.getAValueReachingSink().asExpr().(PY::StringLiteral).getText()
       )
     }
 

python/ql/lib/semmle/python/Concepts.qll

@@ -855,7 +855,7 @@ module Http {
 
         /** Gets the URL pattern for this route, if it can be statically determined. */
         string getUrlPattern() {
-          exists(StrConst str |
+          exists(StringLiteral str |
             this.getUrlPatternArg().getALocalSource() = DataFlow::exprNode(str) and
             result = str.getText()
           )
@@ -983,7 +983,7 @@ module Http {
 
         /** Gets the mimetype of this HTTP response, if it can be statically determined. */
         string getMimetype() {
-          exists(StrConst str |
+          exists(StringLiteral str |
             this.getMimetypeOrContentTypeArg().getALocalSource() = DataFlow::exprNode(str) and
             result = str.getText().splitAt(";", 0)
           )

python/ql/lib/semmle/python/Files.qll

@@ -93,7 +93,7 @@ class File extends Container, Impl::File {
       exists(Stmt s | s.getLocation().getFile() = this)
       or
       // The file contains the usual `if __name__ == '__main__':` construction
-      exists(If i, Name name, StrConst main, Cmpop op |
+      exists(If i, Name name, StringLiteral main, Cmpop op |
         i.getScope().(Module).getFile() = this and
         op instanceof Eq and
         i.getTest().(Compare).compares(name, op, main) and
@@ -123,7 +123,7 @@ private predicate occupied_line(File f, int n) {
   exists(Location l | l.getFile() = f |
     l.getStartLine() = n
     or
-    exists(StrConst s | s.getLocation() = l | n in [l.getStartLine() .. l.getEndLine()])
+    exists(StringLiteral s | s.getLocation() = l | n in [l.getStartLine() .. l.getEndLine()])
   )
 }
 

python/ql/lib/semmle/python/Module.qll

@@ -125,9 +125,9 @@ class Module extends Module_, Scope, AstNode {
       a.getScope() = this and
       all.getId() = "__all__" and
       (
-        a.getValue().(List).getAnElt().(StrConst).getText() = name
+        a.getValue().(List).getAnElt().(StringLiteral).getText() = name
         or
-        a.getValue().(Tuple).getAnElt().(StrConst).getText() = name
+        a.getValue().(Tuple).getAnElt().(StringLiteral).getText() = name
       )
     )
   }

python/ql/lib/semmle/python/PrintAst.qll

@@ -423,13 +423,13 @@ class ParameterNode extends AstElementNode {
 }
 
 /**
- * A print node for a `StrConst`.
+ * A print node for a `StringLiteral`.
  *
  * The string has a child, if the child is used as a regular expression,
  * which is the root of the regular expression.
  */
-class StrConstNode extends AstElementNode {
-  override StrConst element;
+class StringLiteralNode extends AstElementNode {
+  override StringLiteral element;
 }
 
 /**
@@ -599,7 +599,7 @@ private module PrettyPrinting {
       or
       result = "class " + a.(Class).getName()
       or
-      result = a.(StrConst).getText()
+      result = a.(StringLiteral).getText()
       or
       result = "yield " + a.(Yield).getValue()
       or