Can extract parserkw's in python.

added keyword PYINPUT.

added pythonclass ParserKW.

python acces to ParserKW.

removed wrong kw PYINPUT.

...

python/tests/test_parser.py

@@ -4,6 +4,8 @@ import sys
 
 from opm.io.parser import Parser
 from opm.io.parser import ParseContext
+from opm.io.parser import ParserKW
+
 
 class TestParser(unittest.TestCase):
 
@@ -28,6 +30,17 @@ OPERNUM
 3 3 1 2 /
 FIPNUM
 1 1 2 3 /
+"""
+
+    MANUALDATA = """
+START             -- 0
+10 MAI 2007 /
+RUNSPEC
+
+DIMENS
+2 2 1 /
+
+FIELD
 """
 
     def setUp(self):
@@ -46,6 +59,15 @@ FIPNUM
         deck = parser.parse_string(string)
         deck = parser.parse_string(string, context)
 
+    def test_pyinput(self):
+        parser = Parser()
+        deck = parser.parse_string(self.MANUALDATA)
+        with self.assertRaises(ValueError):
+            kw = parser["NOT_A_VALID_KEYWORD"]
+
+        kw = parser["FIELD"]
+        assert(kw.Name == "FIELD")
+
 
 if __name__ == "__main__":
     unittest.main()