class BookReadList(App):
def build(self): # Create the main widget for Kivy program
self.booklist = BookList()
self.booklist.load_books()
self.title = "Reading List 2.0" # Kivy title
self.root = Builder.load_file("app.kv") # load Kivy
self.loading() # load the books
return self.root
def loading(self):
count = 0
total = 0
self.root.ids.entriesBox.clear_widgets() # clear all the widgets
self.root.ids.status_label.text = "Click books to mark them as completed"
for item in self.booklist.requirelist:
temp_button = Button(text=item.title,
background_color=[
count - 0.5, 0, 1, 1
]) # setting background colour
temp_button.book = item
temp_button.bind(
on_release=self.handle_mark) # if click display the list
self.root.ids.entriesBox.add_widget(temp_button)
count += 1
total = self.booklist.getRequirePage()
if count == 0: # Situation when no book there
self.root.ids.top_label.text = "No required items" # Show the prompt at the top label
self.root.ids.entriesBox.clear_widgets() # Clear the list widgets
else: # Else print total price at the top label
self.root.ids.top_label.text = "Total pages to read: {}".format(
total)
# Else show the total price of required items at top babel
def handle_mark(
self, book
): # Function when user click the button of the required item (Each required button)
name = book.text
self.booklist.complete_book(
book.book
) # Using "c" instead of "r" in the list when user chooses the item
self.root.ids.status_label.text = (
"{} marked as completed".format(name)
) # Show the marked item at the status label
def completed(self): # Function for the completed item (Completed button)
count = 0
total = 0
self.root.ids.entriesBox.clear_widgets() # Clear the list widgets
for book in self.booklist.completelist: # using for loop to separate to sorted file
temp_button = Button(text=book.title) # Setting the button text
temp_button.book = book
temp_button.bind(on_release=self.handle_completed
) # Setting when user click the button
self.root.ids.entriesBox.add_widget(
temp_button) # Add widgets for each completed item
count += 1
total = self.booklist.getCompletePage()
if count == 0: # If total count = 0, then means no completed item
self.root.ids.top_label.text = "No completed items" # Show the prompt at the top label
self.root.ids.entriesBox.clear_widgets() # Clear the list widgets
else:
self.root.ids.top_label.text = "Total pages completed: {}".format(
total)
# Else show the total price of completed items at top babel
def handle_completed(
self, book
): # Function when user click the button of the completed item (Each conpleted button)
self.root.ids.status_label.text = "{},write by {}, pages:{}, (completed)".format(
book.book.title, book.book.author, book.book.pages)
# Show the detail of the completed item at the status label
def handle_add(self): # Function for adding new item (Add item button)
title = self.root.ids.input_name.text # Let user enter the item name
author = self.root.ids.input_author.text # Let user enter the pages of item
pages = self.root.ids.input_pages.text # Let user enter the priority of item
if title == "" or pages == "" or author == "": # If any field is blank, show error prompt
self.root.ids.status_label.text = "All fields must be completed"
else:
try: # Using exception let user enter valid number
author = self.root.ids.input_author.text
pages = int(self.root.ids.input_pages.text)
except ValueError:
self.root.ids.status_label.text = "Please enter a valid number"
else:
if pages <= 0:
self.root.ids.status_label.text = "pages must be >= 0"
else:
book = Book(title, author, pages, flag='r')
self.booklist.add_book(book)
self.root.ids.status_label.text = "book \'{}\' wrote by {} in {} pages has been add to book list".format(
title, author, pages)
# show the added item at the status label
self.root.ids.input_name.text = ""
self.root.ids.input_author.text = ""
self.root.ids.input_pages.text = ""
# Clear whole input box after the new item add to the list
# Error check
def handle_clear(
self): # Function for clear whole input box (Clear button)
self.root.ids.input_name.text = ""
self.root.ids.input_author.text = ""
self.root.ids.input_pages.text = ""
def save_item(
self
): # Function for saving completed item to the file (Save item button)
file_writer = open("books.csv",
"w") # Open the file with the correct format
count = 0
writer = csv.writer(file_writer)
for book in self.booklist.requirelist:
writer.writerow([book.title, book.author, book.pages, book.flag])
count += 1
for book in self.booklist.completelist:
writer.writerow([book.title, book.author, book.pages, book.flag])
count += 1
self.root.ids.status_label.text = "{} items saved to items.csv".format(
count)
# Display how many items which add to the file at the status label
file_writer.close()
"""
from booklist import BookList
from book import Book
books = BookList()
# test empty BookList
print(books)
assert len(books.book_list) == 0
# test loading books
books.load_books()
print(books)
assert len(books.book_list) > 0 # assuming CSV file is not empty
# test adding a new Book
books.add_book('In Search of Lost Time', 'Marcel Proust', 365)
print(books)
assert len(books.book_list) >= 0
# test saving books (check CSV file manually to see results)
books.save_books()
assert len(books.book_list) > 0
# test get book by title function
book = books.get_book_title('The Practice of Computing Using Python')
print(book)
# test total number of pages for required
total_pages = books.get_total()
print(total_pages)
class ReadingListApp(App):
BOOK_FILE = "books.csv"
# file of books
LONG_COLOUR = (0, 1, 1, 1)
# colour for books 500 pages or over
SHORT_COLOUR = (1, 1, 0, 1)
# colour for books under 500 pages
def __init__(self):
super(ReadingListApp, self).__init__()
self.book_list = BookList()
self.top_status_bar = Label(id="top_status_bar", text="total pages", size_hint_y=None, height=50)
self.bottom_status_bar = Label(id="bottom_status_bar", text="click books to mark them as complete",
size_hint_y=None, height=50)
def build(self):
self.title = "Reading List 2.0"
self.root = Builder.load_file("app.kv")
self.book_list.load_books(self.BOOK_FILE)
self.create_buttons("r")
# creates buttons for required books
return self.root
def create_buttons(self, book_type):
self.get_list_type(book_type)
# changes what menu widget is highlighted and what the status bars say depending on the type of book chosen
self.clear_buttons()
self.book_list.sort_books()
self.root.ids.books.add_widget(self.top_status_bar)
if self.book_list.is_empty(book_type) == 0:
empty_label = Label()
self.root.ids.books.add_widget(empty_label)
# creates a filler label if there aren't any books that match the chosen type
self.create_book_buttons(book_type)
self.root.ids.books.add_widget(self.bottom_status_bar)
def add_book(self, title, author, pages):
valid = 0
while valid == 0:
if self.root.ids.title_input.text == "" or self.root.ids.author_input.text == "" \
or self.root.ids.pages_input.text == "":
self.bottom_status_bar.text = "All fields must be complete"
break
try:
book = Book(title, author, int(pages))
except ValueError:
self.bottom_status_bar.text = "Please enter a valid number"
break
if book.pages < 0:
self.bottom_status_bar.text = "Pages must be >= 0"
break
else:
self.bottom_status_bar.text = "{} {}".format(str(book), "was added")
self.book_list.add_book(Book(self.root.ids.title_input.text, self.root.ids.author_input.text,
self.root.ids.pages_input.text))
valid = 1
self.clear_buttons()
self.create_buttons("r")
self.clear_text()
def clear_buttons(self):
self.root.ids.books.clear_widgets()
def clear_text(self):
self.root.ids.title_input.text = ""
self.root.ids.author_input.text = ""
self.root.ids.pages_input.text = ""
def completed_button_information(self, instance):
book = self.book_list.get_book_from_title(instance.text)
self.bottom_status_bar.text = "{} {}".format(book, "(completed)")
def create_book_buttons(self, book_type):
for book in self.book_list.books:
if book.book_type == book_type:
# splits up required and completed books
temp_button = Button(text=str(book.title))
if book.book_type == "r":
temp_button.bind(on_release=self.mark_completed)
if book.is_long():
temp_button.background_color = self.LONG_COLOUR
else:
temp_button.background_color = self.SHORT_COLOUR
# buttons for required books
else:
temp_button.bind(on_release=self.completed_button_information)
self.root.ids.books.add_widget(temp_button)
# buttons for completed books
def get_list_type(self, book_type):
if book_type == "r":
self.top_status_bar.text = "{}{}".format("Total pages to read: ", self.book_list.get_required_pages())
self.bottom_status_bar.text = "Click books to mark them as completed"
self.root.ids.list_required.state = "down"
self.root.ids.list_complete.state = "normal"
else:
self.top_status_bar.text = "{}{}".format("Total pages completed: ", self.book_list.get_completed_pages())
self.bottom_status_bar.text = "Click books to view details"
self.root.ids.list_complete.state = "down"
self.root.ids.list_required.state = "normal"
def mark_completed(self, button):
book = self.book_list.get_book_from_title(button.text)
Book.mark_complete(book)
self.create_buttons("r")
self.bottom_status_bar.text = "{}{}".format("Completed: ", str(book))
def on_stop(self):
self.book_list.save_books(self.BOOK_FILE)
class ReadingListApp(App):
"""
This is main class for this entire programm
"""
top_label = StringProperty()
bottom_label = StringProperty()
def on_start(self): # initializing the program
print("Programm is called.")
self.book_button("r")
def build(self):
"""
set Kivy for GUI
:return: root kivy widget
"""
self.status_text = "Reading List App 2.0"
self.title = "Reading list 2.0"
self.root = Builder.load_file("app.kv")
Window.size = (1000, 650) # window size
return self.root
def __init__(self, **kwargs):
"""
main application build
"""
super().__init__(**kwargs)
self.list_books = BookList()
self.list_books.load_file()
def display_book_list(self, required_or_complited):
"""
This function create button for required book and completed book and put th book in to the interface to display
Also, display the book with different colour depend on the number of pages
:param required_or_complited: "True" is required book and "False" is completed book
:return: None
"""
self.root.ids.displayBookList.clear_widgets()
if required_or_complited == True:
for book in self.list_books.booklists:
if book.status == 'r':
button = Button(text=book.title)
button.bind(on_release=self.required_book)
if book.longBook(
): # check ths number of pages of book whether the page is over 500
button.background_color = over_500_pages_book_colour # put the colour which is set on the first part of programm for over 500 pages Book
else:
button.background_color = under_500_pages_book_colour # put the colour which is set on the first part of programm for under 500 pages Book
self.root.ids.displayBookList.add_widget(button)
self.bottom_label = "Click books to mark them as completed" #display the message on botton bar
self.top_label = "Total pages to read: {}".format(
self.list_books.get_total_pages("r"))
elif required_or_complited == False:
for book in self.list_books.booklists:
if book.status == 'c':
button = Button(text=book.title)
button.bind(on_release=self.completed_book)
button.background_color = complited_book_colour # put the colour which is set on the first part of programm for completed book
self.root.ids.displayBookList.add_widget(button)
self.bottom_label = 'Click the book to see the details' #display the message on botton bar
self.top_label = "Total pages completed: {}".format(
self.list_books.get_total_pages('c'))
def required_book(self, sample):
"""
This function shows how many pages to read and have a button for moving required book to completed book
:param sample: kivy button
:return: None
"""
title = sample.text
getBook = self.list_books.get_book_by_title(title)
getBook.mark_book_completed() # move required book to completed book
self.top_label = "Total pages to read: {}".format(
self.list_books.get_total_pages('r'))
self.root.ids.displayBookList.remove_widget(widget=sample)
def completed_book(self, sample):
"""
This function displaying message for completed book
:param sample: kivy button
:return: None
"""
title = sample.text
completed_book = self.list_books.get_book_by_title(title)
self.bottom_label = '{},(completed)'.format(
completed_book) # displaying message for completed book
def book_button(self, mode):
"""
This function highlights the button pressed by the clicks by users
:param mode: "r" is required book and "c" is completed book.
This shows whether user clicked required book or completed book
:return: None
"""
if mode == "r":
self.display_book_list(True) # shows required books
self.root.ids.listRequired_button.state = 'down' # state of button when required book is displayed
self.root.ids.listCompleted_button.state = 'normal' # state of button when completed book is displayed
elif mode == "c":
self.display_book_list(False) # shows completed books
self.root.ids.listRequired_button.state = 'normal' # state of button when required book is displayed
self.root.ids.listCompleted_button.state = 'down' # state of button when completed book is displayed
def clear_button(self):
"""
This function delete the user input in "title", "author", and "page"
:return: None
"""
self.root.ids.title_of_book.text = ''
self.root.ids.book_author.text = ''
self.root.ids.number_of_page.text = ''
def add_new_book(self, name_of_book, name_of_author, number_of_pages):
"""
This function is for "add item" button for add a new book.
Also, displays suitable message for each situation
:param name_of_book: user input the "title" of new book
:param name_of_author: user input the "author"
:param number_of_pages: user input the number of "pages" of new book
:return: None
"""
try: # Error checking
count = 0
for each in str(
name_of_author
): # check whether there is no word in author name section
if each not in (string.ascii_letters + ' '):
count += 1
if count > 0:
self.bottom_label = "Please enter valid author name, Author name cannot be a number"
elif name_of_book == '' or name_of_book.isspace(
) or name_of_author == '' or name_of_author.isspace(
) or number_of_pages == '':
self.bottom_label = "All filed must be completed"
elif int(
number_of_pages
) <= 0: # check whether there is no number in page section
self.bottom_label = "Please enter a valid number"
else:
added_book = Book(name_of_book, name_of_author,
int(number_of_pages), 'r')
self.list_books.add_book(added_book)
self.list_books.save_file(
) # save a new book when a new book is added
self.book_button("r")
self.clear_button()
except ValueError: # check whether there is invalid entry on page section
self.bottom_label = "Please enter a valid number"
def on_stop(self):
print('Stop')
self.list_books.save_file(
) # save changed or added books to the "books.csv" when the program finish
from book import Book
from booklist import BookList
# test empty book (defaults)
book = Book("", "", 0, 'r')
print(book)
assert book.author == ""
assert book.title == ""
assert book.pages == 0
# test initial-value book
book2 = Book("Fish fingers", "Dory", 2, 'r')
# test mark_completed()
book2.mark()
assert book2.flag == 'c'
bl = BookList()
bl.add_book(book2)
assert len(bl.completelist) == 1
book3 = Book("Simple", 'Hegns', 100, 'r')
bl.add_book(book3)
assert len(bl.requirelist) == 1
bl.complete_book(book3)
assert len(bl.completelist) == 2
print("all tests passed!")
