Raise NotImplemented exception if SWAN test file with ITER keyword is…

… read
openearth · Feb 7, 2018 · c58009c · c58009c
1 parent 0243dbc
commit c58009c
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diff --git a/docs/whatsnew.rst b/docs/whatsnew.rst
@@ -19,6 +19,9 @@ Improvements
   conversion is disabled if `pyproj` is not installed. Instead a
   warning is given in that situation.
 
+* Raise NotImplemented exception if SWAN test file with ITER keyword
+  is read.
+
 New functions/methods
 ^^^^^^^^^^^^^^^^^^^^^
 

diff --git a/oceanwaves/swan.py b/oceanwaves/swan.py
@@ -314,6 +314,8 @@ def readfile(self, fpath):
                 self.parse_comments()
             elif line.startswith('SWAN'):
                 self.parse_version()
+            elif line.startswith('ITER'):
+                self.parse_iter()
             elif line.startswith('TIME'):
                 self.parse_time()
             elif line.startswith('LOCATIONS'):
@@ -417,6 +419,14 @@ def parse_version(self):
             self.version = version
 
 
+    def parse_iter(self):
+        raise NotImplementedError(
+            'Reading of SWAN test files containing the ITER keyword are not yet '
+            'supported. Please contribute to the oceanwaves toolbox by providing an '
+            'exhaustive data format description or working implementation.'
+        )
+
+
     def parse_time(self):
         m = re.match('\s*([^\s]+)', self.lines[1])
         if m: