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csv2rdfConverter.py

@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Fri Apr  5 11:38:33 2024
+
+@author: dmelvin
+"""
+
+import csv
+import os
+
+def format_triple(subject, predicate, obj):
+    # Check if object is a URI or literal
+    if obj.startswith("http"):
+        return f"<{subject}> <{predicate}> <{obj}> ."
+    else:
+        # Specify English language tag
+        return f"<{subject}> <{predicate}> \"{obj}\"@en ."
+
+def convert_csv_to_nt(input_csv, output_nt):
+    with open(input_csv, 'r', newline='', encoding='utf-8') as csvfile, open(output_nt, 'w', encoding='utf-8') as ntfile:
+        csvreader = csv.reader(csvfile)
+        next(csvreader)  # Skip the header row
+        for row in csvreader:
+            if len(row) >= 3:
+                subject, predicate, obj, *_ = row
+                nt_triple = format_triple(subject, predicate, obj)
+                ntfile.write(nt_triple + '\n')
+            else:
+                print("Error: Invalid row format - should contain at least 3 columns")
+
+if __name__ == "__main__":
+    input_csv_file = "C:/Users/dmelvin/Downloads/construct.csv"  # Change this to the path of your input CSV file
+    output_nt_file = "C:/Users/dmelvin/Documents/graphBD_test/rdf_batch/output"  # Change this to the desired path of your output .nt file
+
+    # Ensure the output file has the .nt extension
+    if not output_nt_file.endswith('.nt'):
+        output_nt_file += '.nt'
+
+    convert_csv_to_nt(input_csv_file, output_nt_file)