CodingProjectSampleSolutionPart1/currency.py at master · hillnet/CodingProjectSampleSolutionPart1 · GitHub

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from io import open
from kivy.app import App
from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.floatlayout import FloatLayout

# def convert(amount, home_currency, target_currency):
#     from web_utility import load_page
#
#     def remove_text_before(position_string, all_text):
#         remove_start = all_text.find(position_string)
#         if remove_start == -1:
#             return ''
#         remove_start += len(position_string)
#         return all_text[remove_start:]
#
#     def remove_span(all_text):
#         remove_start = all_text.find('<')
#         remove_end = all_text.find('>') + 1
#         return all_text[:remove_start] + all_text[remove_end:]
#
#     format_string = 'https://www.google.com/finance/converter?a={}&from={}&to={}'
#     url_string = format_string.format(amount, home_currency, target_currency)
#
#     html_string = load_page(url_string)
#     if not html_string:
#         return -1
#
#     data_string = remove_text_before('converter_result>', html_string)
#     if not data_string:
#         return -1
#
#     data_string = remove_span(data_string)
#     converted_amount_string = remove_text_before(" = ", data_string)
#     if not converted_amount_string:
#         return -1
#
#     end_amount = converted_amount_string.find(' ')
#     return float(converted_amount_string[:end_amount])
#
#
# def get_details(country_name):
#     file = open('currency_details.txt', encoding='utf-8')
#     for line in file:
#         words = [word for word in line.strip().split(',')]
#         if words[0] == country_name:
#             file.close()
#             return tuple(words)
#     file.close()
#     return ()
#
#
# if __name__ == '__main__':
#     def conversion_test(amount, source, target):
#         converted_amount = convert(amount, source, target)
#         test_info = "{}->{}".format(source, target)
#         print_conversion_test('valid conversion', amount, test_info, converted_amount)
#
#         original_amount = convert(converted_amount, target, source)
#         test_info = "{}->{}".format(target, source)
#         print_conversion_test('valid conversion reverse', converted_amount, test_info, original_amount)
#
#
#     def print_conversion_test(test_type, test_amount, test_info, test_result):
#         text = "{:>30} {:>10.2f} {:^20} {:<10.2f}".format(test_type, test_amount, test_info, test_result)
#         print(text)
#
#
#     print_conversion_test('invalid conversion', 1, 'AUD->AUD', convert(1, 'AUD', 'AUD'))
#     print_conversion_test('invalid conversion', 1, 'JPY->ABC', convert(1, 'JPY', 'ABC'))
#     print_conversion_test('invalid conversion', 1, 'ABC->USD', convert(1, 'ABC', 'USD'))
#
#     conversion_test(10.95, "AUD", "JPY")
#     conversion_test(10.95, "AUD", "BGN")
#     conversion_test(200.15, "BGN", "JPY")
#     conversion_test(100, "JPY", "USD")
#     conversion_test(19.99, "USD", "BGN")
#     conversion_test(19.99, "USD", "AUD")
#     print()
#
#
#     def print_details_test(test_type, test_info, test_result):
#         text = "{:>20} {:<10} {}".format(test_type, test_info, test_result)
#         print(text)
#
#
#     print_details_test('invalid details', 'ABC land', get_details("ABC land"))
#     print_details_test('invalid details', 'Japanese', get_details("Japanese"))
#     print_details_test('invalid details', '', get_details(""))
#
#     print_details_test('valid details', 'Australia', get_details("Australia"))
#     print_details_test('valid details', 'Japan', get_details("Japan"))
#     print_details_test('valid details', 'Hong Kong', get_details("Hong Kong"))


class CurrencyConverter(App):
    def build(self):
        self.title = "Currency Converter"
        self.root = Builder.load_file('gui.kv')
        return self.root

    # def handle_greet(self):
    #     print('test')
    #     self.root.ids.output_label.text = "Hello " + self.root.ids.input_name.text
    #
    # def handle_clear(self):
    #     print('test')
    #     self.root.ids.input_name.text = ""
    #     self.root.ids.output_label.text = ""

CurrencyConverter().run()