added console version along with UI

scripts/ynab_console.py

@@ -0,0 +1,47 @@
+import csv
+import argparse
+import os
+
+# Function to convert the CSV format based on the specified criteria
+def convert_csv_format(input_file_path):
+    # Generate output file path by appending "_converted" before the file extension
+    base = os.path.splitext(input_file_path)[0]
+    output_file_path = f"{base}_converted.csv"
+
+    with open(input_file_path, mode='r', encoding='utf-8') as infile, \
+         open(output_file_path, mode='w', encoding='utf-8', newline='') as outfile:
+
+        reader = csv.DictReader(infile)
+        fieldnames = ["Date", "Payee", "Memo", "Outflow", "Inflow"]
+        writer = csv.DictWriter(outfile, fieldnames=fieldnames)
+
+        writer.writeheader()
+
+        for row in reader:
+            # Using Account number as Memo
+            memo = row['Account number']
+            amount_eur = float(row['Amount (EUR)'].replace('-', '')) if row['Amount (EUR)'] != "-" else 0.0
+            # Determining Outflow and Inflow based on Transaction type
+            if row['Transaction type'] == "Income":
+                outflow = ""
+                inflow = amount_eur
+            else:
+                outflow = amount_eur
+                inflow = ""
+
+            new_row = {
+                "Date": row["Date"],
+                "Payee": row["Payee"],
+                "Memo": memo,
+                "Outflow": outflow,
+                "Inflow": inflow,
+            }
+            writer.writerow(new_row)
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description='Convert a CSV file to a specified format and save it in the same folder with "_converted" appended to the filename.')
+    parser.add_argument('input_file_path', type=str, help='Path to the input CSV file')
+
+    args = parser.parse_args()
+
+    convert_csv_format(args.input_file_path)

scripts/ynab_ui.py

@@ -0,0 +1,72 @@
+import tkinter as tk
+from tkinter import filedialog, messagebox
+import csv
+import os
+
+class CSVConverterApp:
+    def __init__(self, root):
+        self.root = root
+        self.root.title('CSV Converter')
+        self.root.geometry('400x200')
+
+        # Frame for buttons
+        frame = tk.Frame(self.root)
+        frame.pack(pady=20)
+
+        # Button to select the input CSV file
+        self.file_path_var = tk.StringVar()
+        tk.Button(frame, text="Select CSV File", command=self.select_file).pack(fill=tk.X)
+
+        # Label to display selected file path
+        self.file_label = tk.Label(frame, textvariable=self.file_path_var, fg="blue")
+        self.file_label.pack(pady=10)
+
+        # Button to perform conversion
+        tk.Button(frame, text="Convert File", command=self.convert_file).pack(fill=tk.X)
+
+    def select_file(self):
+        file_path = filedialog.askopenfilename(filetypes=[("CSV files", "*.csv")])
+        if file_path:
+            self.file_path_var.set(file_path)
+
+    def convert_csv_format(self, input_file_path):
+        base = os.path.splitext(input_file_path)[0]
+        output_file_path = f"{base}_converted.csv"
+
+        with open(input_file_path, mode='r', encoding='utf-8') as infile, \
+            open(output_file_path, mode='w', encoding='utf-8', newline='') as outfile:
+
+            reader = csv.DictReader(infile)
+            fieldnames = ["Date", "Payee", "Memo", "Outflow", "Inflow"]
+            writer = csv.DictWriter(outfile, fieldnames=fieldnames)
+
+            writer.writeheader()
+
+            for row in reader:
+                memo = row['Account number']
+                amount_eur = float(row['Amount (EUR)'].replace('-', '')) if row['Amount (EUR)'] != "-" else 0.0
+                outflow = amount_eur if row['Transaction type'] != "Income" else ""
+                inflow = amount_eur if row['Transaction type'] == "Income" else ""
+
+                new_row = {
+                    "Date": row["Date"],
+                    "Payee": row["Payee"],
+                    "Memo": memo,
+                    "Outflow": outflow,
+                    "Inflow": inflow,
+                }
+                writer.writerow(new_row)
+        return output_file_path
+
+    def convert_file(self):
+        if not self.file_path_var.get():
+            messagebox.showerror("Error", "Please select a file first!")
+            return
+
+        output_file_path = self.convert_csv_format(self.file_path_var.get())
+        messagebox.showinfo("Success", f"File converted successfully:\n{output_file_path}")
+
+if __name__ == "__main__":
+    root = tk.Tk()
+    app = CSVConverterApp(root)
+    root.mainloop()