From d29fed213caccc7bf2f66ed7a11b94b4bbcac3d1 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@fri.uni-lj.si>
Date: Thu, 6 Oct 2016 14:40:16 +0200
Subject: Python: add support for auxiliary code (like for Prolog)

---
 python/problems/recursion/depth_to/common.py | 41 ++++------------------------
 1 file changed, 5 insertions(+), 36 deletions(-)

(limited to 'python/problems/recursion/depth_to')

diff --git a/python/problems/recursion/depth_to/common.py b/python/problems/recursion/depth_to/common.py
index 3aad348..0efaf76 100644
--- a/python/problems/recursion/depth_to/common.py
+++ b/python/problems/recursion/depth_to/common.py
@@ -7,6 +7,7 @@ from server.hints import Hint
 id = 20804
 number = 4
 visible = True
+facts = 'family_tree'
 
 solution = '''\
 def depthto(fr, to):
@@ -18,43 +19,11 @@ def depthto(fr, to):
             return d + 1
 '''
 
-precode = """
-children = {
-    "Adam": ["Matjaž", "Cilka", "Daniel", "Erik"],
-    "Aleksander": [],
-    "Alenka": [],
-    "Barbara": [],
-    "Cilka": [],
-    "Daniel": ["Elizabeta", "Hans"],
-    "Erik": [],
-    "Elizabeta": ["Ludvik", "Jurij", "Barbara", "Herman", "Mihael"],
-    "Franc": [],
-    "Herman": ["Margareta"],
-    "Hans": [],
-    "Jožef": ["Alenka", "Aleksander", "Petra"],
-    "Jurij": ["Franc", "Jožef"],
-    "Ludvik": [],
-    "Margareta": [],
-    "Matjaž": ["Viljem"],
-    "Mihael": [],
-    "Petra": [],
-    "Tadeja": [],
-    "Viljem": ["Tadeja"],
-}
-
-age = {
-    "Adam": 111, "Matjaž": 90, "Cilka": 88, "Daniel": 85, "Erik": 83,
-    "Viljem": 58, "Tadeja": 20, "Elizabeta": 67, "Hans": 64, "Ludvik": 50,
-    "Jurij": 49, "Barbara": 45, "Herman": 39, "Mihael": 32, "Franc": 30,
-    "Jožef": 29, "Margareta": 10, "Alenka": 5, "Aleksander": 7, "Petra": 9
-}"""
-
 hint_type = {
     'final_hint': Hint('final_hint')
 }
 
-def test(python, code):
-    code = precode + "\n" + code
+def test(python, code, aux_code=''):
     func_name = 'depthto'
     tokens = get_tokens(code)
     if not has_token_sequence(tokens, ['def', func_name]):
@@ -75,7 +44,7 @@ def test(python, code):
                for l in in_out]
     test_out = [l[1] for l in in_out]
 
-    answers = python(code=code, inputs=test_in, timeout=1.0)
+    answers = python(code=aux_code+code, inputs=test_in, timeout=1.0)
     n_correct = 0
     tin, tout = None, None
     for i, (ans, to) in enumerate(zip(answers, test_out)):
@@ -96,11 +65,11 @@ def test(python, code):
     return passed, hints
 
 
-def hint(python, code):
+def hint(python, code, aux_code=''):
     tokens = get_tokens(code)
 
     # run one test first to see if there are any exceptions
-    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    answer = python(code=aux_code+code, inputs=[(None, None)], timeout=1.0)
     exc = get_exception_desc(answer[0][3])
     if exc: return exc
 
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