def sell_new(request, isbn_no):
# If an exception is raised at this stage
# it's not our responsibility to be nice. No well meaning
# user will see an error page at this stage
isbn_no = isbn.clean_isbn(isbn_no)
if request.method == 'POST':
book_form = SellNewBookForm(request.POST, prefix="book")
copy_form = SellExistingBookForm(request.POST, prefix="copy")
if book_form.is_valid() and copy_form.is_valid():
book = book_form.save(commit=False)
book.isbn = isbn_no
book.save()
copy = copy_form.save(commit=False)
copy.book = book
copy.owner = request.user
copy.pubDate = datetime.now()
copy.save()
messages.success(request, "Your copy of `%s` is now on sale."%\
book.title)
return redirect('bookswap.views.book_details', book.id)
else:
info = utils.get_book_details(isbn_no)
book_form = SellNewBookForm(prefix="book", initial=info)
copy_form = SellExistingBookForm(prefix="copy")
return render(request, "bookswap/sell_new.html",
{'book_form':book_form, 'copy_form':copy_form,
'isbn_no':isbn_no})
def maintenance(request):
if not request.user.is_superuser:
return render(request, "bookswap/maint_goaway.html")
if request.method == "POST":
results = {}
gbook_info = utils.get_book_details("9780099572831")
results["gbook"] = gbook_info.has_key("title")
gbook_img = gbook_info.get("thumbnail_url", " ")
try:
email = EmailMessage(subject="LitHub Maintenance", body="Yup, you"
" got it", to=[request.user.email])
email.send()
results["email"] = True
except:
results["email"] = False
results["fb_at"] = request.session.has_key("fb_at")
copy = request.user.copy_set.filter(soldTime=None)[0]
results["fb_og"] = utils.opengraph_list_book(request, copy)
# Count number of successes
successes = results.values().count(True)
# Convert True/False to "success"/"failure"
results_class = dict([(k,("success" if v else "failure"))
for k,v in results.items()])
return render(request, "bookswap/maint_results.html",
{"results":results_class, "gbook_img": gbook_img, "successes":
successes})
return render(request, "bookswap/maint_confirm.html")
def update_thumbnail(self, request, queryset):
from utils import get_book_details
for b in queryset:
info = get_book_details(b.isbn)
if info:
b.thumbnail_url = info['thumbnail_url']
b.save()
self.message_user(request, "%s rows updated"%queryset.count())
def subscribe_to_new(request, isbn_no):
try:
isbn_no = isbn.clean_isbn(isbn_no)
if request.method == "POST":
if request.POST.get('verify_book') == 'on':
if "isbn_%s"%isbn_no in request.session:
info = request.session["isbn_%s"%isbn_no]
book = Book(isbn=isbn_no, title=info['title'],
author=info['author'],
copyrightYear=info['copyrightYear'],
publisher=info['publisher'],
thumbnail_url=info['thumbnail_url'])
book.save()
book.subscribers.add(request.user)
messages.success(request, ("You've been subscribed "+\
"to %s by %s. You will be notified when a " +\
"copy of this book is available.")%(book.title,
book.author))
return redirect(book_details, book_id=book.id)
else:
messages.error(request, "Sorry, there was an error " +\
"reading data. Please try again or inform "+\
"us about this problem.")
else:
messages.error(request, "Please verify that this is the book"+\
" you are looking for.")
info = utils.get_book_details(isbn_no)
request.session['isbn_%s'%isbn_no] = info
if info and info['title']:
return render(request, "bookswap/subscribe_new.html",
{'info':info, 'isbn_no':isbn_no})
else:
messages.info(request, "Sorry. We tried to find more "+\
"information about the book you requested, but were" +\
" not able to find any. If you " +\
"would like to be notified when this book is available" +\
" please inform us using the contact page above. " +\
"Please include all relevant book details, such as "+\
"ISBN number, title and author.")
return redirect("home")
except ValueError:
messages.error(request, "Invalid ISBN number")
return redirect('home')
def main():
args = get_args()
books_dir = os.path.join(args.dest_folder, "books")
images_dir = os.path.join(args.dest_folder, "images")
json_filepath = args.json_path or os.path.join(
args.dest_folder,
"books.json",
)
links = get_links_from_pages(args.start_page, args.end_page)
description = []
if not links:
logging.warning("No files to download :(")
return None
else:
logging.info(f"Going to download {len(links)} files...")
for id, link in enumerate(links):
try:
html = get_text_from_url(link, allow_redirects=True)
if not html:
raise EmptyHTMLError("Book Page html is empty")
details = get_book_details(html, link)
if not details:
raise EmptyDetailsError("Details is empty")
if not args.skip_imgs:
image_filename = get_name_from_url(details["img_url"])
path = os.path.normcase(
os.path.abspath(os.path.join(images_dir, image_filename)))
details["img_src"] = path
download_image(from_=details["img_url"], to=details["img_src"])
if args.skip_txt:
continue
book_filename = f"{id}.{details['title']}.txt"
path = os.path.normcase(
os.path.abspath(os.path.join(books_dir, book_filename)))
details["book_path"] = path
txt_id = get_id_from_book_url(link)
if not txt_id:
continue
download_txt(
from_=BASE_TXT_URL,
to=details["book_path"],
urlparams={"id": txt_id},
)
logging.info(f"File '{book_filename}' has been saved")
description.append(details)
except (
HTTPError,
ParseError,
ConnectionError,
FileExistsError,
EmptyBookError,
EmptyImageError,
EmptyHTMLError,
URLParseError,
) as e:
logging.error(e)
make_description({"books": description}, json_filepath)
logging.info(f"Files are downloaded, description in {json_filepath}")
