Added authorship & fixed documentation

preprocessing/src/database/database.py

@@ -45,6 +45,10 @@ class Database:
         return self.cursor.lastrowid
     def drop(self):
+        """
+        Deletes all data from tables
+        :return: None
+        """
         self.execute('DELETE FROM TermDocumentOccurrence')
         self.execute('DELETE FROM Term')
         self.execute('DELETE FROM Document')

preprocessing/src/main.py

+# author : koristo1@fit.cvut.cz
 import argparse
 from src.preprocessor import preprocess_collection

preprocessing/src/preprocessor.py

+# author: koristo1@fit.cvut.cz
+
 import json
 import os
 import nltk
@@ -82,7 +84,7 @@ class Preprocessor:
         """
         Reads a document from file and processes it into terms and their frequencies
         :param file_path: path to the document to open
-        :return: tuple of document path & dictionary of terms and their frequencies
+        :return: None
         """
         self.terms = {}  # reset
         try:

preprocessing/src/word_prunner.py

+# author : koristo1@fit.cvut.cz
+
 from nltk.corpus import stopwords