L5

Instruction.txt

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+Zamieszczam przykładowy plik csv, w którym przechowywane są dane.
+Można też utworzyć nowy pusty plik przy pomocy gui i następnie
+dodać do niego wybrane przez siebie waluty.
+Domyślnie walutą na który przeliczany jest portfel jest USD.

api.py

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+from json import JSONDecodeError
+import requests
+
+API_NAMES = ['bittrex', 'bitbay', 'cex']
+
+
+def get_answer(url):
+    try:
+        request = requests.get(url)
+        answer = request.json()
+        return answer
+    except requests.exceptions.ConnectionError:
+        print('No Internet connection. Check your network and try again later.')
+        return None
+
+
+def get_orderbook_url(base_currency, wanted_currency, name):
+    if name == 'bittrex':
+        return 'https://api.bittrex.com/api/v1.1/public/getorderbook?market=' + base_currency.upper() + '-' + \
+               wanted_currency.upper() + "&type=both"
+    if name == 'bitbay':
+        return 'https://bitbay.net/API/Public/' + wanted_currency.upper() + base_currency.upper() + '/orderbook.json'
+    if name == 'bitstamp':
+        return 'https://www.bitstamp.net/api/v2/order_book/' + base_currency.lower() + wanted_currency.lower() + '/'
+    if name == 'cex':
+        return f'https://cex.io/api/order_book/{base_currency.upper()}/{wanted_currency.upper()}'
+
+
+def get_orderbook(base_currency, wanted_currency, name):
+    answer = get_answer(get_orderbook_url(base_currency, wanted_currency, name))
+    buy_offers = []
+
+    try:
+        if name == 'bittrex':
+            for bid in answer['result']['buy']:
+                buy_offers.append((bid['Quantity'], bid['Rate']))
+        if name == 'bitbay' or name == 'cex':
+            for bid in answer['bids']:
+                buy_offers.append((bid[1], bid[0]))
+    except TypeError:
+        return []
+    except KeyError:
+        return []
+    return buy_offers
+
+
+def check_availability_in_api(base_currency, wanted_currency):
+    if base_currency == wanted_currency:
+        return True
+    answer = get_answer(get_orderbook_url(base_currency, wanted_currency, 'bittrex'))
+    if answer["success"]:
+        return True
+
+    try:
+        for i in range(1, len(API_NAMES)):
+            answer = get_answer(get_orderbook_url(base_currency, wanted_currency, API_NAMES[i]))
+            if len(answer['bids']) > 0:
+                return True
+    except JSONDecodeError:
+        pass
+    except KeyError:
+        pass
+
+    return False

main.py

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+import csv
+import tkinter
+import tkinter.messagebox
+import wallet
+import api
+
+my_wallet = []
+empty_wallet = []
+DEFAULT_CURRENCY = 'USD'
+window = tkinter.Tk()
+
+
+# to mój feature dla użytkownika, myślę, że przejrzyste gui może znacząco ułatwić używanie aplikacji :)
+def gui():
+    window.geometry("300x340")
+    window.title("API application")
+    menu_label = tkinter.Label(window, text="Menu", font=("Sans-serif", 13), anchor='e')
+    menu_label.grid(row=0, column=0, padx=90, pady=5, sticky='n')
+    menu_button_first = tkinter.Button(window, text="Show wallet", command=lambda: first_button())
+    menu_button_first.grid(row=1, column=0, padx=90, pady=5, sticky='nwse')
+    menu_button_second = tkinter.Button(window, text="Add new currency", command=lambda: second_button())
+    menu_button_second.grid(row=2, column=0, padx=90, pady=5, sticky='nwse')
+    menu_button_third = tkinter.Button(window, text="Remove currency", command=lambda: third_button())
+    menu_button_third.grid(row=3, column=0, padx=90, pady=5, sticky='nwse')
+    menu_button_fourth = tkinter.Button(window, text="Edit currency amount", command=lambda: fourth_button())
+    menu_button_fourth.grid(row=4, column=0, padx=90, pady=5, sticky='nwse')
+    menu_button_fifth = tkinter.Button(window, text="Add amount to currency", command=lambda: fifth_button())
+    menu_button_fifth.grid(row=5, column=0, padx=90, pady=5, sticky='nwse')
+    menu_button_sixth = tkinter.Button(window, text="Convert wallet", command=lambda: sixth_button())
+    menu_button_sixth.grid(row=6, column=0, padx=90, pady=5, sticky='nwse')
+    menu_button_seventh = tkinter.Button(window, text="Make empty wallet",
+                                         command=lambda: wallet.save_wallet_to_file(empty_wallet))
+    menu_button_seventh.grid(row=7, column=0, padx=90, pady=5, sticky='nwse')
+    menu_button_eighth = tkinter.Button(window, text="Exit", command=window.quit)
+    menu_button_eighth.grid(row=8, column=0, padx=90, pady=5, sticky='nwse')
+
+
+def first_button():
+    my_wallet = wallet.read_wallet_data()
+    wallet_str = wallet.print_wallet(my_wallet)
+
+    tkinter.messagebox.showinfo('Wallet', wallet_str)
+
+
+def second_button():
+    global my_wallet
+    try:
+        my_wallet = wallet.read_wallet_data()
+    except:
+        tkinter.messagebox.showinfo('Error!', 'Check your csv file.')
+
+    second_window = tkinter.Toplevel()
+    second_window.geometry("300x170")
+    second_window.title("Adding new currency")
+    window.protocol("WM_DELETE_WINDOW", window.quit())
+
+    currency_label = tkinter.Label(second_window, text="Enter currency name:", font=("Sans-serif", 13), anchor='e')
+    currency_field = tkinter.Entry(second_window)
+    amount_label = tkinter.Label(second_window, text="Enter amount:", font=("Sans-serif", 13), anchor='e')
+    amount_field = tkinter.Entry(second_window)
+    add_currency_button = tkinter.Button(second_window, text="Add currency",
+                                         command=lambda: second_button_helper(currency_field, amount_field, my_wallet))
+
+    currency_label.grid(row=0, column=0, pady=(40, 0))
+    currency_field.grid(row=0, column=1, pady=(40, 0))
+    amount_label.grid(row=1, column=0)
+    amount_field.grid(row=1, column=1)
+    add_currency_button.grid(columnspan=2)
+
+    second_window.mainloop()
+
+
+def second_button_helper(currency_field, amount_field, my_wallet):
+    currency = str(currency_field.get()).upper()
+    amount = amount_field.get()
+    try:
+        if api.check_availability_in_api(DEFAULT_CURRENCY, currency):
+            wallet.add_currency(currency, float(amount), my_wallet)
+        else:
+            tkinter.messagebox.showinfo('Error!', 'Currency is not available in API.')
+            return
+    except ValueError:
+        tkinter.messagebox.showinfo('Error!', 'Wrong amount.')
+        return
+    tkinter.messagebox.showinfo('Info', 'Currency added.')
+
+
+def third_button():
+    global my_wallet
+    try:
+        my_wallet = wallet.read_wallet_data()
+    except:
+        tkinter.messagebox.showinfo('Error!', 'Check your csv file.')
+
+    third_window = tkinter.Toplevel()
+    third_window.geometry("300x170")
+    third_window.title("Removing currency")
+    window.protocol("WM_DELETE_WINDOW", window.quit())
+
+    currency_label = tkinter.Label(third_window, text="Enter currency name:", font=("Sans-serif", 13), anchor='e')
+    currency_field = tkinter.Entry(third_window)
+    add_currency_button = tkinter.Button(third_window, text="Remove currency",
+                                         command=lambda: third_button_helper(currency_field, my_wallet))
+
+    currency_label.grid(row=0, column=0, pady=(40, 0))
+    currency_field.grid(row=0, column=1, pady=(40, 0))
+    add_currency_button.grid(columnspan=2)
+
+    third_window.mainloop()
+
+
+def third_button_helper(currency_field, my_wallet):
+    currency = str(currency_field.get()).upper()
+    if wallet.check_currency_in_wallet(currency, my_wallet):
+        wallet.remove_currency(currency, my_wallet)
+        tkinter.messagebox.showinfo('Info', 'Currency removed.')
+    else:
+        tkinter.messagebox.showinfo('Info', 'There is no such currency in your wallet.')
+
+
+def fourth_button():
+    global my_wallet
+    try:
+        my_wallet = wallet.read_wallet_data()
+    except:
+        tkinter.messagebox.showinfo('Error!', 'Check your csv file.')
+
+    fourth_window = tkinter.Toplevel()
+    fourth_window.geometry("300x170")
+    fourth_window.title("Editing amount of currency")
+    window.protocol("WM_DELETE_WINDOW", window.quit())
+
+    currency_label = tkinter.Label(fourth_window, text="Enter currency name:", font=("Sans-serif", 13), anchor='e')
+    currency_field = tkinter.Entry(fourth_window)
+    amount_label = tkinter.Label(fourth_window, text="Enter amount:", font=("Sans-serif", 13), anchor='e')
+    amount_field = tkinter.Entry(fourth_window)
+    add_currency_button = tkinter.Button(fourth_window, text="Edit currency amount",
+                                         command=lambda: fourth_button_helper(currency_field, amount_field, my_wallet))
+
+    currency_label.grid(row=0, column=0, pady=(40, 0))
+    currency_field.grid(row=0, column=1, pady=(40, 0))
+    amount_label.grid(row=1, column=0)
+    amount_field.grid(row=1, column=1)
+    add_currency_button.grid(columnspan=2)
+
+    fourth_window.mainloop()
+
+
+def fourth_button_helper(currency_field, amount_field, my_wallet):
+    currency = str(currency_field.get()).upper()
+    amount = amount_field.get()
+    if wallet.check_currency_in_wallet(currency, my_wallet):
+        try:
+            wallet.edit_currency_amount(currency, float(amount), my_wallet)
+        except ValueError:
+            tkinter.messagebox.showinfo('Error!', 'Wrong amount.')
+        tkinter.messagebox.showinfo('Info', 'Currency amount edited.')
+    else:
+        tkinter.messagebox.showinfo('Info', 'There is no such currency in your wallet.')
+
+
+def fifth_button():
+    global my_wallet
+    try:
+        my_wallet = wallet.read_wallet_data()
+    except:
+        tkinter.messagebox.showinfo('Error!', 'Check your csv file.')
+
+    fifth_window = tkinter.Toplevel()
+    fifth_window.geometry("300x170")
+    fifth_window.title("Adding amount to currency")
+    window.protocol("WM_DELETE_WINDOW", window.quit())
+
+    currency_label = tkinter.Label(fifth_window, text="Enter currency name:", font=("Sans-serif", 13), anchor='e')
+    currency_field = tkinter.Entry(fifth_window)
+    amount_label = tkinter.Label(fifth_window, text="Enter amount:", font=("Sans-serif", 13), anchor='e')
+    amount_field = tkinter.Entry(fifth_window)
+    add_currency_button = tkinter.Button(fifth_window, text="Add amount to currency",
+                                         command=lambda: fifth_button_helper(currency_field, amount_field, my_wallet))
+
+    currency_label.grid(row=0, column=0, pady=(40, 0))
+    currency_field.grid(row=0, column=1, pady=(40, 0))
+    amount_label.grid(row=1, column=0)
+    amount_field.grid(row=1, column=1)
+    add_currency_button.grid(columnspan=2)
+
+    fifth_window.mainloop()
+
+
+def fifth_button_helper(currency_field, amount_field, my_wallet):
+    currency = str(currency_field.get()).upper()
+    amount = amount_field.get()
+    if wallet.check_currency_in_wallet(currency, my_wallet):
+        try:
+            wallet.add_currency_amount(currency, float(amount), my_wallet)
+        except ValueError:
+            tkinter.messagebox.showinfo('Error!', 'Wrong amount.')
+        tkinter.messagebox.showinfo('Info', 'Currency amount edited.')
+    else:
+        tkinter.messagebox.showinfo('Info', 'There is no such currency in your wallet.')
+
+
+def sixth_button():
+    global my_wallet
+    try:
+        my_wallet = wallet.read_wallet_data()
+    except:
+        tkinter.messagebox.showinfo('Error!', 'Check your csv file.')
+
+    sixth_window = tkinter.Toplevel()
+    sixth_window.geometry("480x180")
+    sixth_window.title("Converting wallet")
+    window.protocol("WM_DELETE_WINDOW", window.quit())
+
+    info_label = tkinter.Label(sixth_window, text="If you won't entry any currency it will be used default one - USD",
+                               font=("Sans-serif", 13), anchor='e')
+    currency_label = tkinter.Label(sixth_window, text="Enter currency name:", font=("Sans-serif", 13), anchor='e')
+    currency_field = tkinter.Entry(sixth_window)
+    add_currency_button = tkinter.Button(sixth_window, text="Convert wallet",
+                                         command=lambda: sixth_button_helper(currency_field))
+
+    info_label.grid(columnspan=2, pady=(40, 0))
+    currency_label.grid(row=1, column=0)
+    currency_field.grid(row=1, column=1)
+    add_currency_button.grid(columnspan=2)
+
+    sixth_window.mainloop()
+
+
+def sixth_button_helper(currency_field):
+    currency = str(currency_field.get()).upper()
+    if currency == None:
+        currency = DEFAULT_CURRENCY
+    try:
+        converted_wallet = wallet.convert_wallet(my_wallet, currency)
+    except:
+        tkinter.messagebox.showinfo('Error!', 'Something went wrong. It is possible that the wallet'
+                                              ' cannot be converted to the currency of your choice')
+        return
+    tkinter.messagebox.showinfo('Wallet', converted_wallet)
+
+
+def run():
+    csv.register_dialect('semicolons', delimiter=';')
+    gui()
+    window.mainloop()
+
+
+if __name__ == "__main__":
+    run()

wallet.csv

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+Currency;Quantity
+LTC;5.0
+BTC;4.0
+ETH;6.0