Python: Reword QLDoc for class modeling with type-tracking

As discussed in #4797 (comment)

Author: RasmusWL

python/.vscode/ql.code-snippets

@@ -321,13 +321,13 @@
             "      DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }",
             "",
             "      /**",
-            "       * A source of an instance of `$1.$2`.",
+            "       * A source of instances of `$1.$2`, extend this class to model new instances.",
             "       *",
-            "       * This can include instantiation of the class, return value from function",
-            "       * calls, or a special parameter that will be set when functions are call by external",
+            "       * This can include instantiations of the class, return values from function",
+            "       * calls, or a special parameter that will be set when functions are called by an external",
             "       * library.",
             "       *",
-            "       * Use `$2::instance()` predicate to get references to instances of `$1.$2`.",
+            "       * Use the predicate `$2::instance()` to get references to instances of `$1.$2`.",
             "       */",
             "      abstract class InstanceSource extends DataFlow::Node { }",
             "",

python/ql/src/semmle/python/frameworks/Django.qll

@@ -540,9 +540,9 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.request.HttpRequest`.
+           * A source of instances of `django.http.request.HttpRequest`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
+           * This can include instantiations of the class, return values from function
            * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
@@ -646,13 +646,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponse`.
+           * A source of instances of `django.http.response.HttpResponse`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponse::instance()` predicate to get references to instances of `django.http.response.HttpResponse`.
+           * Use the predicate `HttpResponse::instance()` to get references to instances of `django.http.response.HttpResponse`.
            */
           abstract class InstanceSource extends HTTP::Server::HttpResponse::Range, DataFlow::Node {
           }
@@ -716,13 +716,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponseRedirect`.
+           * A source of instances of `django.http.response.HttpResponseRedirect`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponseRedirect::instance()` predicate to get references to instances of `django.http.response.HttpResponseRedirect`.
+           * Use the predicate `HttpResponseRedirect::instance()` to get references to instances of `django.http.response.HttpResponseRedirect`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -782,13 +782,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponsePermanentRedirect`.
+           * A source of instances of `django.http.response.HttpResponsePermanentRedirect`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponsePermanentRedirect::instance()` predicate to get references to instances of `django.http.response.HttpResponsePermanentRedirect`.
+           * Use the predicate `HttpResponsePermanentRedirect::instance()` to get references to instances of `django.http.response.HttpResponsePermanentRedirect`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -849,13 +849,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponseNotModified`.
+           * A source of instances of `django.http.response.HttpResponseNotModified`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponseNotModified::instance()` predicate to get references to instances of `django.http.response.HttpResponseNotModified`.
+           * Use the predicate `HttpResponseNotModified::instance()` to get references to instances of `django.http.response.HttpResponseNotModified`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -910,13 +910,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponseBadRequest`.
+           * A source of instances of `django.http.response.HttpResponseBadRequest`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponseBadRequest::instance()` predicate to get references to instances of `django.http.response.HttpResponseBadRequest`.
+           * Use the predicate `HttpResponseBadRequest::instance()` to get references to instances of `django.http.response.HttpResponseBadRequest`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -973,13 +973,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponseNotFound`.
+           * A source of instances of `django.http.response.HttpResponseNotFound`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponseNotFound::instance()` predicate to get references to instances of `django.http.response.HttpResponseNotFound`.
+           * Use the predicate `HttpResponseNotFound::instance()` to get references to instances of `django.http.response.HttpResponseNotFound`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -1036,13 +1036,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponseForbidden`.
+           * A source of instances of `django.http.response.HttpResponseForbidden`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponseForbidden::instance()` predicate to get references to instances of `django.http.response.HttpResponseForbidden`.
+           * Use the predicate `HttpResponseForbidden::instance()` to get references to instances of `django.http.response.HttpResponseForbidden`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -1099,13 +1099,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponseNotAllowed`.
+           * A source of instances of `django.http.response.HttpResponseNotAllowed`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponseNotAllowed::instance()` predicate to get references to instances of `django.http.response.HttpResponseNotAllowed`.
+           * Use the predicate `HttpResponseNotAllowed::instance()` to get references to instances of `django.http.response.HttpResponseNotAllowed`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -1163,13 +1163,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponseGone`.
+           * A source of instances of `django.http.response.HttpResponseGone`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponseGone::instance()` predicate to get references to instances of `django.http.response.HttpResponseGone`.
+           * Use the predicate `HttpResponseGone::instance()` to get references to instances of `django.http.response.HttpResponseGone`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -1226,13 +1226,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.HttpResponseServerError`.
+           * A source of instances of `django.http.response.HttpResponseServerError`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `HttpResponseServerError::instance()` predicate to get references to instances of `django.http.response.HttpResponseServerError`.
+           * Use the predicate `HttpResponseServerError::instance()` to get references to instances of `django.http.response.HttpResponseServerError`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -1289,13 +1289,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.JsonResponse`.
+           * A source of instances of `django.http.response.JsonResponse`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `JsonResponse::instance()` predicate to get references to instances of `django.http.response.JsonResponse`.
+           * Use the predicate `JsonResponse::instance()` to get references to instances of `django.http.response.JsonResponse`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -1355,13 +1355,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.StreamingHttpResponse`.
+           * A source of instances of `django.http.response.StreamingHttpResponse`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `StreamingHttpResponse::instance()` predicate to get references to instances of `django.http.response.StreamingHttpResponse`.
+           * Use the predicate `StreamingHttpResponse::instance()` to get references to instances of `django.http.response.StreamingHttpResponse`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 
@@ -1418,13 +1418,13 @@ private module Django {
           DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
           /**
-           * A source of an instance of `django.http.response.FileResponse`.
+           * A source of instances of `django.http.response.FileResponse`, extend this class to model new instances.
            *
-           * This can include instantiation of the class, return value from function
-           * calls, or a special parameter that will be set when functions are call by external
+           * This can include instantiations of the class, return values from function
+           * calls, or a special parameter that will be set when functions are called by an external
            * library.
            *
-           * Use `FileResponse::instance()` predicate to get references to instances of `django.http.response.FileResponse`.
+           * Use the predicate `FileResponse::instance()` to get references to instances of `django.http.response.FileResponse`.
            */
           abstract class InstanceSource extends HttpResponse::InstanceSource, DataFlow::Node { }
 

python/ql/src/semmle/python/frameworks/Fabric.qll

@@ -281,13 +281,13 @@ private module FabricV2 {
         DataFlow::Node classRef() { result = classRef(DataFlow::TypeTracker::end()) }
 
         /**
-         * A source of an instance of `fabric.connection.Connection`.
+         * A source of instances of `fabric.connection.Connection`, extend this class to model new instances.
          *
-         * This can include instantiation of the class, return value from function
+         * This can include instantiations of the class, return values from function
          * calls, or a special parameter that will be set when functions are called by an external
          * library.
          *
-         * Use `Connection::instance()` predicate to get references to instances of `fabric.connection.Connection`.
+         * Use the predicate `Connection::instance()` to get references to instances of `fabric.connection.Connection`.
          */
         abstract class InstanceSource extends DataFlow::Node { }
 
@@ -457,7 +457,7 @@ private module FabricV2 {
        */
       module Group {
         /**
-         * A source of an instance of a subclass of `fabric.group.Group`
+         * A source of instances of a subclass of `fabric.group, extend this class to model new instances.Group`
          *
          * This can include instantiation of a class, return value from function
          * calls, or a special parameter that will be set when functions are called by an external