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()
"""
(incomplete) Tests for BookList class
"""
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
from booklist import BookList
from book import Book
# test empty BookList
book_list = BookList()
print(book_list)
assert len(book_list.books) == 0
# test loading books
book_list.load_books('books.csv')
print(book_list)
assert len(book_list.books) > 0 # assuming CSV file is not empty
# test sorting books
# test adding a new Book
# test saving books (check CSV file manually to see results)
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)