Update Summary.py

Summary.py

@@ -0,0 +1,23 @@
+from transformers import pipeline
+
+
+class Summary:
+
+    def __init__(self, text_to_summarise):
+        """
+        The Constructor for the Summary class.
+        :param text_to_summarise: The text to summarise
+        """
+        if text_to_summarise is None or len(text_to_summarise.strip()) == 0:
+            raise ValueError("Text to summarise cannot be empty")
+
+        self.text_to_summarise = text_to_summarise
+
+        summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
+
+        self.source_text_length = len(text_to_summarise.split(' '))
+        max = int(self.source_text_length * 0.8)
+        min = int(self.source_text_length * 0.6)
+        result = summarizer(text_to_summarise, max_length=max, min_length=min, do_sample=False)
+        self.result = result[0]['summary_text']
+        self.summary_text_length = len(self.result.split(' '))