HUGE refactor, creating lots of modules, no code changes though!

src/lemma_features.py

@@ -0,0 +1,26 @@
+from restriction import MorphologyRegex
+
+
+def get_lemma_features(et):
+    lf = et.find('lemma_features')
+    if lf is None:
+        return {}
+
+    result = {}
+    for pos in lf.iter('POS'):
+        rgx_list = MorphologyRegex(pos).rgx
+        rgx_str = ""
+        for position in rgx_list:
+            if position == ".":
+                rgx_str += " "
+            elif len(position) == 1:
+                rgx_str += position
+            elif len(position) == 3 and position[0] == "[" and position[2] == "]":
+                rgx_str += position[1]
+            else:
+                raise RuntimeError("Strange rgx for lemma_feature...")
+
+        assert rgx_str[0].isupper()
+        result[rgx_str[0]] = rgx_str.strip().replace(' ', '-')
+
+    return result