From 046463bcebe08c6cbe3504d676c0bf27f8695482 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@araneo.org>
Date: Fri, 11 Sep 2015 11:01:13 +0200
Subject: Add language hints for Python and use Hint classes

---
 python/common.py                                      | 19 +++++++++++++++++++
 .../introduction/fahrenheit_to_celsius/common.py      |  8 +++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 python/common.py

(limited to 'python')

diff --git a/python/common.py b/python/common.py
new file mode 100644
index 0000000..39c323f
--- /dev/null
+++ b/python/common.py
@@ -0,0 +1,19 @@
+# coding=utf-8
+
+import ast
+from server.hints import Hint, HintSequence
+
+hint_type = {
+    'no_hint': Hint('no_hint'),
+    'test_results': Hint('test_results'),
+    'syntax_error': Hint('syntax_error'),
+}
+
+def hint(program):
+    # Check program for syntax errors.
+    try:
+        tree = ast.parse(program, filename='user')
+    except SyntaxError as ex:
+        error_msg = '{}{}^\n{}'.format(ex.text, ' '*(ex.offset-1), ex.msg)
+        return [{'id': 'syntax_error', 'args': {'lineno': ex.lineno, 'message': error_msg}}]
+    return []
diff --git a/python/problems/introduction/fahrenheit_to_celsius/common.py b/python/problems/introduction/fahrenheit_to_celsius/common.py
index 1555cf7..5c8e0cd 100644
--- a/python/problems/introduction/fahrenheit_to_celsius/common.py
+++ b/python/problems/introduction/fahrenheit_to_celsius/common.py
@@ -1,5 +1,8 @@
 # coding=utf-8
 
+from python.util import has_token_sequence
+from server.hints import Hint, HintSequence
+
 id = 180
 group = 'introduction'
 number = 1
@@ -11,7 +14,10 @@ f = float(input("Temperatura [F]: "))
 print("Temperatura je", c, "C")
 '''
 
-from python.util import has_token_sequence
+hint_type = {
+    'plan': Hint('plan'),
+    'no_input_call': Hint('no_input_call'),
+}
 
 def test(session, code):
     # List of inputs: (expression to eval, stdin).
-- 
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