Add class for updating ML data

exa/exa/helpers/utilits.py

+from collections import namedtuple
+
+
+Tags = namedtuple('Tag', 'id, tags')
+
+News = namedtuple('News', 'id, tags')
+
+
+class MLDataMaker:
+    def __init__(self, tags_list):
+        self.tags = [self.split_tags(i, ' /') for i in tags_list]
+
+    def split_tags(self, tags, char, replace=' '):
+        if len(char) > 1:
+            for i in char:
+                tags = tags.replace(i, replace)
+            return tags.split(replace)
+        return tags.split(char)
+
+    def is_tag_exist(self, tags, news_tags):
+        return any(tag in news_tags for tag in tags)
+
+    def make_ml_data(self, news, tags):
+        ml_data = list()
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