personal_project

book_transactions.py

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+# book_transactions.py
+import file_transactions, drawing
+import os
+
+def add_book(books, books_file):
+    """
+    Adds a new book to the list of books.
+    """
+    barcode = int(input("Enter the book's barcode: "))
+    title = input("Enter the book's title: ")
+    author = input("Enter the book's author: ")
+    publisher = input("Enter the book's publisher: ")
+    language = input("Enter the book's language: ")
+    price = float(input("Enter the book's price: "))
+    book = dict()
+    book["Barkod"] = barcode
+    book["Kitap_Adi"]= title
+    book["Yazar"]= author
+    book["Yayinevi"]= publisher
+    book["Dil"]= language
+    book["Fiyat"]= price
+    books.append(book)
+    print("Book added successfully.")
+    file_transactions.save_file(books_file, books)
+    return books
+
+def update_book(books, books_file):
+    """
+    Updates the information of a book.
+    """
+    book_barcode = int(input("Enter the book's barcode: "))
+    for book in books:
+        if book["Barkod"] == book_barcode:
+            title = input("Enter the book's new title: ")
+            author = input("Enter the book's new author: ")
+            publisher = input("Enter the book's new publisher: ")
+            language = input("Enter the book's new language: ")
+            price = float(input("Enter the book's new price: "))
+            book["Kitap_Adi"] = title
+            book["Yazar"] = author
+            book["Yayinevi"] = publisher
+            book["Dil"] = language
+            book["Fiyat"] = price
+            print("Book updated successfully.")
+            file_transactions.save_file(books_file, books)
+            return books
+    print("Book not found.")
+    return books
+
+def search_books(books):
+    """
+    Searches for books based on a given criteria.
+    """
+    search_dicttionary = {}
+    while True:
+        os.system("cls" if os.name == "nt" else "clear")
+        print("Search Criteria:")
+        print("1. Barcode")
+        print("2. Title")
+        print("3. Author")
+        print("4. Publisher")
+        print("5. Language")
+        print("6. Price")
+        print("Q. Exit")
+        print("Now, choose your search criteria: ")
+        for i in search_dicttionary:
+            print(i," : ", search_dicttionary[i])
+        Choose = input("Enter your choice: ")
+        if Choose in ["Q", "q", "exit", "quit"]:
+            break
+        elif Choose == "1":
+            search_dicttionary["Barkod"] = int(input("Enter the book's barcode: "))
+        elif Choose == "2":
+            search_dicttionary["Kitap_Adi"] = input("Enter the book's title: ")
+        elif Choose == "3":
+            search_dicttionary["Yazar"] = input("Enter the book's author: ")
+        elif Choose == "4":
+            search_dicttionary["Yayinevi"] = input("Enter the book's publisher: ")
+        elif Choose == "5":
+            search_dicttionary["Dil"] = input("Enter the book's language: ")
+        elif Choose == "6":
+            search_dicttionary["Fiyat"] = float(input("Enter the book's price: "))
+        else:
+            print("Invalid choice.")
+
+    list_books(books, search_dicttionary)
+
+
+def delete_book(books, books_file):
+    """
+    Deletes a book from the list of books.
+    """
+    book_barcode = int(input("Enter the book's barcode: "))
+    for book in books:
+        if book["Barkod"] == book_barcode:
+            books.remove(book)
+            print("Book deleted successfully.")
+            file_transactions.save_file(books_file, books)
+            return books
+    print("Book not found.")
+    return books
+
+def list_books(books, kwargs=None):
+    """
+    Lists all the books in the library.
+    """
+    if kwargs:
+        books_list = []
+        for book in books:         
+            for key, value in kwargs.items():
+                if book[key] == value:
+                    books_list.append(book)
+    else:
+        books_list = books
+
+    for i in drawing.create_grid(books_list, ["Barkod", "Kitap_Adi", "Yazar", "Yayinevi", "Dil", "Fiyat"], [17, 80, 50, 70, 20, 10], "Kitaplar"):
+        print(i)
+

drawing.py

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+
+def create_grid(glist, field_names, field_widths, grid_name):
+    """
+    Creates a grid of glist.
+    """
+    start_first_row = "╔"
+    end_first_row = "╗"
+    start_middle_row = "╠"
+    end_middle_row = "╣"
+    start_last_row = "╚"
+    end_last_row = "╝"
+    separator_column = "║"
+    separator_row = "═"
+    separator_sub_row = "─"
+    separator_sub_column = "│"
+    separator_middle_row = "╬"
+    start_middle_column = "╦"
+    end_middle_column = "╩"
+    grid = []
+    grid_first_row = start_first_row+separator_row*(sum(field_widths)+((len(field_widths)-1)*3))+end_first_row
+    grid.append(grid_first_row)
+    grid_middle_row = separator_column+grid_name.center(sum(field_widths)+((len(field_widths)-1)*3)," ")+separator_column
+    grid.append(grid_middle_row)
+    grid_middle_row = start_middle_row+separator_row*(sum(field_widths)+((len(field_widths)-1)*3))+end_middle_row
+    grid.append(grid_middle_row)
+    field_counter = 0
+    for field_name in field_names:
+        if field_counter == 0:
+            grid_middle_row = separator_column+field_name.upper().center(field_widths[field_names.index(field_name)]," ")
+            if field_counter != len(field_widths)-1:
+                grid_middle_row += " "+separator_column+" "
+            else:
+                grid_middle_row += " "+separator_sub_column+" "
+        elif field_counter == len(field_widths)-1:
+            grid_middle_row += field_name.upper().center(field_widths[field_counter]," ")+separator_column
+        else:
+            grid_middle_row += field_name.upper().center(field_widths[field_names.index(field_name)]," ")+" "+separator_sub_column+" "
+        field_counter += 1
+    grid.append(grid_middle_row)
+    grid_middle_row = separator_column+separator_sub_row * (sum(field_widths)+((len(field_widths)-1)*3))+separator_column
+    grid.append(grid_middle_row)
+    for row in glist:
+        field_counter = 0
+        for field_name in field_names:
+            if field_counter == 0:
+                grid_middle_row = separator_column + str(row[field_name]).center(field_widths[field_counter]," ")
+                if field_counter == len(field_widths)-1:
+                    grid_middle_row += " "+separator_column+" "
+                else:
+                    grid_middle_row += " "+separator_sub_column+" "
+            elif field_counter == len(field_widths)-1:
+                if row.get(field_name) == None:
+                    grid_middle_row += " ".center(field_widths[field_counter]," ")
+                else:
+                    grid_middle_row += str(row[field_name]).center(field_widths[field_counter]," ")+separator_column
+            else:
+                if row.get(field_name) == None:
+                    grid_middle_row +=" ".center(field_widths[field_names.index(field_name)]," ")+" "+separator_sub_column+" "
+                else:
+                    grid_middle_row += str(row[field_name]).center(field_widths[field_names.index(field_name)]," ")+" "+separator_sub_column+" "
+            field_counter += 1
+        grid.append(grid_middle_row)
+        if glist.index(row) != len(glist)-1:
+            grid_middle_row = separator_column+separator_sub_row*(sum(field_widths)+((len(field_widths)-1)*3))+separator_column
+            grid.append(grid_middle_row)
+    grid_last_row = start_last_row+separator_row*(sum(field_widths)+((len(field_widths)-1)*3))+end_last_row
+    grid.append(grid_last_row)
+    return grid
+

file_transactions.py

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+# File: file_transactions.py
+import json
+import os
+
+def save_file(file_path, data):
+    try:
+        with open(file_path, 'w', encoding='utf-8') as file:
+            json.dump(data, file, ensure_ascii=False, indent=4)
+        # print(f"Data was successfully written to file: {file_path}")
+    except Exception as e:
+        print(f"Error: Data could not be written to file. Details: {e}")
+
+def load_file(file_path):   
+    """
+    Reads a list from a file in JSON format.
+    """
+    if not os.path.exists(file_path):
+        save_file(file_path, [])
+        return []
+    try:
+        with open(file_path, 'r', encoding='utf-8') as file:
+            return json.load(file)
+    except json.JSONDecodeError:
+        print("Error: JSON format is invalid.")
+        return []
+    except Exception as e:
+        print(f"Error: File could not be read. Details: {e}")
+        return []

hackerring.py

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+# # Week 4 Hackering Questions
+# # Q1
+# # https://www.hackerrank.com/challenges/diagonal-difference/problem
+
+# #!/bin/python3
+
+# import math
+# import os
+# import random
+# import re
+# import sys
+
+# #
+# # Complete the 'diagonalDifference' function below.
+# #
+# # The function is expected to return an INTEGER.
+# # The function accepts 2D_INTEGER_ARRAY arr as parameter.
+# #
+
+# def diagonalDifference(arr):
+#     # Write your code here
+#     diagonal1 = 0
+#     diagonal2 = 0
+#     for i in range(len(arr)):
+#         diagonal1 += arr[i][i]
+#         diagonal2 += arr[i][len(arr) - 1 - i]
+#     return abs(diagonal1 - diagonal2)
+
+# if __name__ == '__main__':
+#     fptr = open(os.environ['OUTPUT_PATH'], 'w')
+
+#     n = int(input().strip())
+
+#     arr = []
+
+#     for _ in range(n):
+#         arr.append(list(map(int, input().rstrip().split())))
+
+#     result = diagonalDifference(arr)
+
+#     fptr.write(str(result) + '\n')
+
+#     fptr.close()
+
+"""--------------------------------------------------------"""
+# # Q2
+# # https://www.hackerrank.com/challenges/array-left-rotation/problem
+
+# #!/bin/python3
+
+# import math
+# import os
+# import random
+# import re
+# import sys
+
+# #
+# # Complete the 'rotateLeft' function below.
+# #
+# # The function is expected to return an INTEGER_ARRAY.
+# # The function accepts following parameters:
+# #  1. INTEGER d
+# #  2. INTEGER_ARRAY arr
+# #
+
+# def rotateLeft(d, arr):
+#     # Write your code here
+#     new_arr = []
+#     for i in range(len(arr)):
+#         new_arr.append(arr[(i+d) % len(arr)])
+#     return new_arr
+# if __name__ == '__main__':
+#     fptr = open(os.environ['OUTPUT_PATH'], 'w')
+
+#     first_multiple_input = input().rstrip().split()
+
+#     n = int(first_multiple_input[0])
+
+#     d = int(first_multiple_input[1])
+
+#     arr = list(map(int, input().rstrip().split()))
+
+#     result = rotateLeft(d, arr)
+
+#     fptr.write(' '.join(map(str, result)))
+#     fptr.write('\n')
+
+#     fptr.close()
+
+"""--------------------------------------------------------"""
+# # Q3
+# # https://www.hackerrank.com/challenges/counter-game/problem
+
+