Experiment: prolog_hints

Given an experiment object read from codeq_user in the form

    {'id': 'prolog_hints', 'group': 'manual_hints'}

selectively enable only manual hints, automatic hints, or no hints.
This should probably be reverted once the experiment is done.

1 files changed, 18 insertions, 2 deletions

diff --git a/server/prolog_session.py b/server/prolog_session.py
index 2920f11..e07a63c 100644
--- a/server/prolog_session.py
+++ b/server/prolog_session.py
@@ -123,6 +123,14 @@ class PrologSession(server.LanguageSession):
         problem_module = load_problem(problem.language, problem.group, problem.identifier, 'common')
         aux_code = self._aux_code(session.get_uid(), problem, program)
 
+        # experiment: Prolog hints
+        allowed_hints = 'all'
+        for experiment in session.get_experiments():
+            if experiment.get('id') == 'prolog_hints':
+                allowed_hints = experiment.get('group')
+                break
+        # end of experiment: Prolog hints
+
         # check if the program is correct
         n_correct, n_all, msgs = problem_module.test(program, aux_code=aux_code)
         if n_correct == n_all:
@@ -131,9 +139,17 @@ class PrologSession(server.LanguageSession):
             hints = []
             if not hints and hasattr(language_module, 'hint'):
                 hints = language_module.hint(program, aux_code=aux_code)
-            if not hints and hasattr(problem_module, 'hint'):
+
+            # experiment: Prolog hints
+            #if not hints and hasattr(problem_module, 'hint'):
+            if not hints and hasattr(problem_module, 'hint') and allowed_hints in ('all', 'manual_hints'):
                 hints = problem_module.hint(program, aux_code=aux_code)
-            if not hints and problem_id in _edits:
+            # end of experiment: Prolog hints
+
+            # experiment: Prolog hints
+            #if not hints and problem_id in _edits:
+            if not hints and problem_id in _edits and allowed_hints in ('all', 'automatic_hints'):
+            # end of experiment: Prolog hints
                 # Testing function for monkey.
                 def tester(code):
                     n_correct, n_all, _ = problem_module.test(code, aux_code=aux_code)