I'm getting MultiValueDictKeyError while using the POST method with Django.
this is my views.py submit function.
it seems like there is an error with the candidateId field and I don't understand why.
def submit_dept_member_application(request, application_id):
cv = request.FILES['cv']
letter = request.FILES['letter']
candidate_id = request.data['candidateId']
rank_id = request.data['requestedRankId']
application_state = {
'candidate_id': candidate_id,
'rank_id': rank_id,
'cv_filename': cv.name,
'letter_filename': letter.name,
}
creator = Profile.objects.get(user=request.user.id)
department = creator.department
applicant = Profile.objects.get(user=candidate_id)
rank = Rank.objects.get(id=rank_id)
try:
application = Application.objects.get(id=application_id)
# TODO - update application
except Application.DoesNotExist:
application = None
if application is None:
application = Application(creator=creator, applicant=applicant, desired_rank=rank,
application_state=application_state, department=department
)
application.save()
create_application_directory(application.id)
ApplicationStep.objects.update_or_create(
application=application, step_name=Step.STEP_1,
defaults={'can_update': True, 'can_cancel': True, 'currentStep': True}
)
copy_to_application_directory(cv, application.id)
copy_to_application_directory(letter, application.id)
addresee = 'devasap08#gmail.com' # TODO: change email to admin address
email_headline = 'New Application Created'
wanted_action = 'application_created'
sendEmail(addresee, email_headline, wanted_action, creator)
addresee = 'devasap08#gmail.com' # TODO: change email to creator address
email_headline = 'Application Successfully Created'
wanted_action = 'application_received'
sendEmail(addresee, email_headline, wanted_action, applicant)
return Response(application.id, status=status.HTTP_200_OK)
any suggestions on how to solve it?
Thank you!
I have to open 2 Websites , they are the same , so i just have to change the URL , username and pass to login , right now i have two Functions with the same code manually sending 2 diferents sets of users and passwords.
I would like to use A class , to pass the user,pass and url to it and connect to a website , this is what i have thus far :
class Alienvault:
url = ''
alienuser = ''
alienpass = ''
def Conexion(self):
driver = webdriver.Firefox()
driver.implicitly_wait(10)
driver.get(url)
nombreusuario = driver.find_element_by_name('user')
password = driver.find_element_by_name('passu')
nombreusuario.clear()
password.clear()
nombreusuario.send_keys(alienuser)
password.send_keys(alienpass)
login = driver.find_element_by_id('submit_button')
login.click()
time.sleep(4)
analisis = driver.find_element_by_id('li_analysis')
analisis.click()
eventos = driver.find_element_by_id('sm_opt_analysis-security_events')
eventos.click()
driver.maximize_window()
Try something like this :
class Alienvault:
def __init__(self):
self.driver = webdriver.Firefox()
self.driver.implicitly_wait(10)
def login(self, user, password, url):
self.driver.get(url)
nombreusuario = self.driver.find_element_by_name('user')
password = self.driver.find_element_by_name('passu')
nombreusuario.clear()
password.clear()
nombreusuario.send_keys(user)
password.send_keys(password)
login = self.driver.find_element_by_id('submit_button')
login.click()
time.sleep(4)
analisis = self.driver.find_element_by_id('li_analysis')
analisis.click()
eventos = self.driver.find_element_by_id('sm_opt_analysis-security_events')
eventos.click()
self.driver.maximize_window()
con = Alienvault()
con.login('myuser1', 'mypass1', 'www.myurl.com')
con.login('myuser2', 'mypass2', 'www.my_other_url.com')
i am new with python and Flask .I make a login and signup page and everything is working fine.Now, i use werkzeug for password security at signup page password is generated in encrypted form and stored in database but when i tried to login then there i got an error "NameError: global name 'hashed_pwd' is not defined" please provide me solution.
#app.route('/signUp', methods=['POST','GET'])
def signUp():
_name = request.form['user_name'] #database connectivity
_password = request.form['user_password']
_pname = request.form['patient_name']
_email = request.form['user_email']
_cont = request.form['user_contact']
_add = request.form['user_address']
if _name and _password and _pname and _email and _cont and _add:
conn = mysql.connect()
cursor = conn.cursor()
hashed_pwd=generate_password_hash(_password) #password generated
query_string = """INSERT INTO tbl_puser (user_name,user_password,patient_name,user_email,user_contact,user_address) VALUES('%s','%s','%s','%s','%s','%s');"""%(_name,hashed_pwd,_pname,_email,_cont,_add)
print query_string
cursor.execute(query_string)
conn.commit()
cursor.close()
conn.close()
flash('You were successfully registered')
return render_template('select.html')
#app.route('/Login',methods=['POST','GET'])
def login():
user_name=request.form['uname']
user_password=request.form['psw']
# NameError: global name 'hashed_pwd' is not defined error
check_password_hash(hashed_pwd,user_password)
if user_name and user_password:
conn = mysql.connect()
cursor = conn.cursor()
cursor.execute("SELECT * from tbl_puser where user_name='" + user_name + "' and user_password='"+ user_password +"'")
print "SELECT * from tbl_puser where user_name='" + user_name + "' and user_password='"+ user_password +"';"
data = cursor.fetchall()
print data
if len(data) != 0:
return render_template("select.html")
else:
return redirect(url_for('index'))
if __name__ == '__main__':
app.run()
you simple forgot defined it
user_password = request.form.get('psw', '')
# Add next line
hashed_pwd = generate_password_hash(user_password)
check_password_hash(hashed_pwd,user_password)
and better use get method of the request.form to get the values of items.
Non-coder here. I have an activity I'm editing for beginning students. It was created a year ago by someone else. The project is pre-created for students. They are supposed deploy it, create a bucket, and upload some files to the bucket from within the app. When I try it, I get this error:
Traceback (most recent call last):
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1535, in __call__
rv = self.handle_exception(request, response, e)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1529, in __call__
rv = self.router.dispatch(request, response)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1278, in default_dispatcher
return route.handler_adapter(request, response)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 1102, in __call__
return handler.dispatch()
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 572, in dispatch
return self.handle_exception(e, self.app.debug)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 570, in dispatch
return method(*args, **kwargs)
File "/base/data/home/apps/s~lively-armor-126415/1.391710117126333360/main.py", line 205, in get
for imagefile in gcs.listbucket(bucket_path(), delimiter='/'):
File "/base/data/home/apps/s~lively-armor-126415/1.391710117126333360/main.py", line 114, in bucket_path
return '/' + bucket_name + '/'
TypeError: cannot concatenate 'str' and 'NoneType' objects
Here is (part of) main.py:
#!/usr/bin/env python
import webapp2
import sys
import os
import logging
import urllib
import zipfile
import StringIO
import jinja2
import datetime
import mimetypes
import json
from google.appengine.api import users
from google.appengine.api import mail
from google.appengine.api import xmpp
from google.appengine.api import channel
from google.appengine.api import app_identity
from google.appengine.api import images
from google.appengine.api import memcache
from google.appengine.api import taskqueue
from google.appengine.api import search
from google.appengine.ext import ndb
from google.appengine.datastore.datastore_query import Cursor
sys.path.insert(0, 'libs')
libpath = os.path.join(os.path.dirname(__file__), 'lib')
sys.path.append(libpath)
from wtforms import Form
from wtforms import StringField,TextAreaField,SelectField,DecimalField
from wtforms import FileField
from wtforms import SubmitField
from wtforms import validators
import cloudstorage as gcs
from datamodels import Product, ProductCategory
JINJA_ENV = jinja2.Environment(
loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
extensions=['jinja2.ext.autoescape'],
autoescape=True
)
# Add custom filter for currency output in JINJA2
def currencyformat(value):
template = "${:.2f}"
currency_string = template.format(value)
return currency_string
JINJA_ENV.filters['currencyformat'] = currencyformat
PRODUCT_GROUPS = [
('1','Bathroom'),
('2','Decor'),
('3','Lumber'),
('4','Materials'),
('5','Outdoors'),
('6','Tools')]
def login_html():
# Load differently based on whether logged in to Google account
user = users.get_current_user()
if user:
url = users.create_logout_url('/')
username = user.nickname()
else:
url = users.create_login_url('/')
username = ''
template_values = {
'url': url,
'username': username
}
greeting_template = JINJA_ENV.get_template('html/greeting.htm')
greeting_html = greeting_template.render(template_values)
return greeting_html
def store_product(prodcode, title, price, category, description):
logging.info('Add product %s to category %s in database', title, category)
category_key = ndb.Key(ProductCategory, category)
product = Product(
parent=category_key,
id=prodcode,
title=title,
price=price,
category=category,
desc=description
)
product.put()
try:
# Create a searchable document to use with Search API
document = search.Document(
doc_id = prodcode,
fields=[
search.TextField(name='title', value=title),
search.TextField(name='category', value=category),
search.HtmlField(name='desc', value=description),
search.NumberField(name='price', value=float(price)),
])
index = search.Index(name="ProductIndex")
index.put(document)
except:
logging.exception("Unable to store search document for " + prodcode)
def file_extension(filename):
return os.path.splitext(filename)[-1]
def bucket_path():
bucket_name = app_identity.get_default_gcs_bucket_name()
return '/' + bucket_name + '/'
class EditProductForm(Form):
# Test and message for currency format
cur_regex = '^\s*(?=.*[1-9])\d*(?:\.\d{1,2})?\s*$'
pricemsg = 'Enter a price with up to two decimal places (no dollar symbol)'
prodcode = StringField(
'* Product Code:',
[validators.Length(min=1, max=10)])
price = StringField(
'* Product Price:',
[validators.Regexp(cur_regex, message=pricemsg)])
title = StringField(
'* Product Title:',
[validators.Length(min=1, max=500)])
category = SelectField(
'* Product Group:',
choices=PRODUCT_GROUPS,
default='Hardware')
description = TextAreaField(
'* Product Description:',
[validators.Required()])
submitbtn = SubmitField('Save Product')
class EditImagesForm(Form):
image = FileField('File to Upload:')
submitbtn = SubmitField('Upload')
class BucketImageHandler(webapp2.RequestHandler):
# Return image from cloud storage
def get(self, image_file):
self.response.headers['Content-Type'] = 'image/png'
# Get complete file name
filename = bucket_path() + image_file
cache_name = 'productimages:{}'.format(image_file)
# Get image data from memcache
filedata = memcache.get(cache_name)
if filedata is None:
try:
# Get image from cloud storage
gcs_file = gcs.open(filename)
filedata = gcs_file.read()
memcache.add(cache_name, filedata, 3600)
except:
# Get placeholder image from static images
self.redirect('/images/image_placeholder.png')
self.response.out.write(filedata)
class UploadHandler(webapp2.RequestHandler):
# Display upload page
def get(self):
# Allow only for admin users
if users.is_current_user_admin():
# Delete image if one is passed in
# (in finished site, add a prompt to confirm)
image_filename = self.request.get('del')
if image_filename != '':
datastore_filename = bucket_path() + image_filename
logging.info('>>> DELETED FILE %s', image_filename)
try:
gcs.delete(datastore_filename)
except:
pass
# Gather image data to pass in to HTML template
MAX_IMAGES = 10
image_count = 0
reached_end = True
last_image = 1
start = self.request.get('s')
if start is '':
first_image = 1
else:
first_image = int(start)
if first_image < 1:
first_image = 1
# Get images from Cloud Storage
image_gallery = []
for imagefile in gcs.listbucket(bucket_path(), delimiter='/'):
image_count += 1
reached_first_image = (image_count >= first_image)
reached_last_image = (image_count >= first_image + MAX_IMAGES)
if reached_first_image and not reached_last_image:
# Files to show for this page
filename = imagefile.filename.split('/')[-1]
if file_extension(filename) == '.png':
this_image = dict(
name=filename,
size=imagefile.st_size,
safename=urllib.quote_plus(filename)
)
image_gallery.append(this_image)
last_image = image_count
back_start_index = first_image - MAX_IMAGES
next_start_index = last_image + 1
# Prepare image edit form for HTML template
new_images_form = EditImagesForm()
# Populate batch upload page
template_values = {
'admin_mode': users.is_current_user_admin(),
'greeting_html': login_html(),
'editform': new_images_form,
'gallery': image_gallery,
'start_image_index': first_image,
'end_image_index': last_image,
'image_count': image_count,
'back_start_index': back_start_index,
'next_start_index': next_start_index
}
image_mgr_template = JINJA_ENV.get_template('html/uploadmgr.htm')
image_mgr_html = image_mgr_template.render(template_values)
self.response.write(image_mgr_html)
else:
# Unauthorized user - raise an error
self.abort(401)
# Post new image or batch update to the gallery
def post(self):
# Allow batch upload only for admin users
if users.is_current_user_admin():
file_data = self.request.get('image')
upload_filename = ''
try:
upload_filename = os.path.basename(self.request.POST['image'].filename)
except:
logging.info('NO FILE SPECIFIED')
self.redirect('/upload')
upload_file_extension = file_extension(upload_filename)
datastore_filename = bucket_path() + upload_filename
logging.info('Store file to %s', datastore_filename)
if upload_file_extension == '.png':
# Write image to cloud storage
if len(file_data) > 0:
gcs_file = gcs.open(
datastore_filename,
'w',content_type='image/png')
file_data = images.resize(file_data, 400, 400)
gcs_file.write(file_data)
gcs_file.close()
# Upload done -- return to gallery
self.redirect('/upload')
elif upload_file_extension == '.zip':
# Save uploaded Zip file to Google Cloud Storage
gcs_file = gcs.open(
datastore_filename,
'w',content_type='application/zip')
gcs_file.write(file_data)
gcs_file.close()
logging.info('>>> STORED ZIP FILE %s', datastore_filename)
# Start background task to extract the Zip file
client_id = 'bgmsg-' + users.get_current_user().user_id()
email_address = users.get_current_user().email()
taskqueue.add(
url='/processuploads',
method="POST",
params={'zipfile': datastore_filename,
'address': email_address,
'clientid': client_id,
'starttime': datetime.datetime.now() }
)
# Upload done -- return to gallery
self.redirect('/upload')
else:
# Ignore other file types
self.redirect('/upload')
else:
# Unauthorized user - raise an error
self.abort(401)
class BatchProcessBackgroundHandler(webapp2.RequestHandler):
def post(self):
# Task queue handler - Extract and process uploaded Zip file
# Check header to ensure request came from inside App Engine platform
if 'X-AppEngine-TaskName' in self.request.headers:
zip_file_name = self.request.get('zipfile')
address = self.request.get('address')
client_id = self.request.get('clientid')
start_time = self.request.get('starttime')
# logging.info('>>> EXTRACTING ZIP FILE %s', zip_file_name)
# Get zip data from cloud storage
gcs_file = gcs.open(zip_file_name)
gcs_data = gcs_file.read()
zip_data = StringIO.StringIO(gcs_data)
# Open the archive for reading
zip_file = zipfile.ZipFile(zip_data, 'r')
# Extract each file in the archive and process based on extension
for extracted_file_name in zip_file.namelist():
extracted_file_extension = file_extension(extracted_file_name)
if extracted_file_extension == '.png':
# Read Zip file data as StringIO
extracted_image_data = zip_file.read(extracted_file_name)
# Resize images no wider or taller than 400 pixels
extracted_image_data = images.resize(
extracted_image_data,
400,
400)
datastore_filename = bucket_path() + extracted_file_name
gcs_file = gcs.open(
datastore_filename,
'w',
content_type='image/png')
gcs_file.write(extracted_image_data)
gcs_file.close()
elif extracted_file_extension == '.txt':
extracted_data = zip_file.read(extracted_file_name)
lines = extracted_data.split('\r\n')
for line in lines:
if line:
line_values = line.split('\t')
category = line_values[0]
prodcode = line_values[1]
title = line_values[2]
price = line_values[3]
description = line_values[4]
store_product(
prodcode,
title,
price,
category,
description)
# Close the Zip file
zip_file.close()
# Delete the Zip file when done
gcs.delete(zip_file_name)
# Compose success message
notify_title = 'Batch Update Successfully Completed'
message_body = 'Batch file ' + zip_file_name + '\n'
message_body += 'Started at ' + start_time + '\n'
message_body += 'Finished at ' + str(datetime.datetime.now()) + '\n'
message_body += 'Refresh your browser to see the product updates.\n'
# Send message by email
mail.send_mail(
sender = 'WW Admin <admin#wwheelhouse.com>',
to = address,
subject = notify_title,
body = message_body
)
# Send message by XMPP
user_address = address
chat_message_sent = False
msg = message_body
status_code = xmpp.send_message(user_address, msg)
chat_message_sent = (status_code == xmpp.NO_ERROR)
# Send message to web client via channel API
channel.send_message(
client_id,
msg
)
else:
# Report forbidden operation
self.error(403)
class DeleteProductHandler(webapp2.RequestHandler):
def get(self):
if users.is_current_user_admin():
# Get product code from query string passed in to page
prodcode = self.request.get('edit')
category = self.request.get('cat')
logging.info('>>> GET prodcode=%s and cat=%s', prodcode, category)
try:
# Get product from the datastore
parent_key = ndb.Key('ProductCategory', category)
product = Product.get_by_id(prodcode, parent=parent_key)
# Delete the entity
product.key.delete()
except:
pass
# Redirect back to main product view
self.redirect('/?cat=' + category)
else:
# Report forbidden operation
self.error(403)
class SearchHandler(webapp2.RequestHandler):
def post(self):
# Process search
search_text = self.request.get('q')
search_category = self.request.get('scat')
query_string = "title:" + search_text
query_string += " OR desc:" + search_text
if search_category != '' and search_category != '0':
query_string += " AND category=" + search_category
found_products = ''
num_found = 0
if search_text != '':
index = search.Index(name="ProductIndex")
found_products = index.search(query_string)
num_found = found_products.number_found
# Populate search results page
template_values = {
'admin_mode': users.is_current_user_admin(),
'greeting_html': login_html(),
'prod_categories': PRODUCT_GROUPS,
'selected': search_category,
'search_text': search_text,
'product_list': found_products,
'num_found': num_found
}
results_template = JINJA_ENV.get_template('html/searchresults.htm')
search_html = results_template.render(template_values)
self.response.write(search_html)
class MainHandler(webapp2.RequestHandler):
def get(self):
editcode = self.request.get('edit')
prod_category = self.request.get('cat',default_value='0')
in_edit = (prod_category and editcode)
if in_edit:
product = Product.query_get_product(prod_category, editcode)
new_product_form = EditProductForm(
prodcode=editcode,
title=product.title,
price=product.price,
category=prod_category,
description=product.desc
)
else:
# Produce empty product editing form
new_product_form = EditProductForm()
self.response.write(self.catalog_html(new_product_form))
# logging.info("ENVIRONMENT: %s", os.environ)
def post(self):
if users.is_current_user_admin():
# Get data submitted in form and validate user input
prodcode = self.request.get('prodcode')
title = self.request.get('title')
price = self.request.get('price')
category = self.request.get('category')
description = self.request.get('description')
new_product_form = EditProductForm(
prodcode=prodcode,
title=title,
price=price,
category=category,
description=description
)
if new_product_form.validate():
store_product(prodcode, title, price, category, description)
self.redirect('/?cat='+category+'&viewproduct='+prodcode)
else:
html = self.catalog_html(new_product_form)
self.response.write(html)
else:
# Unauthorized user -- raise an error
self.abort(401)
def catalog_html(self, editform):
""" Return HTML for the product catalog """
PRODUCTS_PER_PAGE = 4
viewcode = self.request.get('viewproduct')
editcode = self.request.get('edit')
category = self.request.get('cat', default_value='0')
in_edit = (category and editcode) # Show Edit mode only if category and editcode provided
in_one_product_view = viewcode != ''
# If one product view or in edit, show single product
if in_one_product_view or in_edit:
# RETURN SINGLE PRODUCT VIEW
if in_edit:
# Query to get the product specified for editing
product = Product.query_get_product(category, editcode)
else:
# Query to get the product specified for viewing
product = Product.query_get_product(category, viewcode)
# Populate catalog page
template_values = {
'admin_mode': users.is_current_user_admin(),
'greeting_html': login_html(),
'prod_categories': PRODUCT_GROUPS,
'selected': category,
'product': product,
'editform': editform
}
one_product_template = JINJA_ENV.get_template('html/oneproduct.htm')
one_product_html = one_product_template.render(template_values)
return one_product_html
else:
# MULTIPLE PRODUCT VIEW
if category == '0':
# Show all products in all categories
q_forward = Product.query_all_categories_sort_newest()
q_backward = Product.query_all_categories_sort_oldest()
else:
# Show products in one category
q_forward = Product.query_by_category_sort_newest(category)
q_backward = Product.query_by_category_sort_oldest(category)
page_nav = ''
products = None
num_products_in_query = q_forward.count()
num_pages_to_show = num_products_in_query / PRODUCTS_PER_PAGE
if (num_products_in_query % PRODUCTS_PER_PAGE) > 0:
num_pages_to_show += 1
cursor_was_passed_in = self.request.get('cursor') is not ''
page_num = self.request.get('pg',default_value='1')
prev_cur = ''
next_cur = ''
if num_products_in_query > 0:
# Read the cursor passed in from the previous page
cursor = Cursor(urlsafe=self.request.get('cursor'))
# Fetch a forward cursor
products, next_cursor, more_after = q_forward.fetch_page(
PRODUCTS_PER_PAGE,
start_cursor=cursor )
# Fetch a backward cursor
prev_products, prev_cursor, more_before = q_backward.fetch_page(
PRODUCTS_PER_PAGE,
start_cursor=cursor.reversed() )
if cursor_was_passed_in and prev_cursor:
prev_cur = prev_cursor.urlsafe()
if more_after and next_cursor:
next_cur = next_cursor.urlsafe()
# Populate catalog page
template_values = {
'admin_mode': users.is_current_user_admin(),
'greeting_html': login_html(),
'catalog': products,
'prod_categories': PRODUCT_GROUPS,
'selected': category,
'editform': editform,
'prev_cur': prev_cur,
'next_cur': next_cur,
'page_num': page_num,
'page_num_prev': int(page_num)-1,
'page_num_next': int(page_num)+1,
'num_pages_to_show': num_pages_to_show
}
catalog_template=JINJA_ENV.get_template('html/catalog.htm')
return catalog_template.render(template_values)
...
Please help. I don't have a clue how to fix this, but I need to get this project working for the students to use.
Thanks so much,
Chrys
That's because there's no default bucket attached to your current project.
You can create a bucket with gsutil or the cloud console and then hardcode the value in your bucket_path function.
Also you can keep your current bucket_path helper function that returns the bucket_name from app_identity.get_default_gcs_bucket_name() and then create a default bucket in the new console by visiting your app engine's application settings in the cloud console https://console.cloud.google.com/appengine/settings?project=
I have a django app and I use mandrill for mails sending.
Till recently, I was sending simple mails and it was working great.
But now, I want to send mails with attachments, so I changed my message
construction to this:
def construct_message(self):
content = self.get_content()
attachments = self.kwargs.get('attachments', None)
message = {} if not attachments else MIMEMultipart()
message['subject'] = content['subject']
message['text'] = content['txt']
message['html'] = content['html']
message['from_email'] = self.sender
message['from_name'] = '***'
recipients = self._get_recipients()
if attachments:
message['to'] = ", ".join([r["email"] for r in recipients])
else:
message['to'] = recipients
message['cc'] = []
message['bcc'] = []
if attachments:
for a in attachments:
part = MIMEApplication(open(a,"rb").read())
Encoders.encode_base64(part)
part.add_header('Content-Disposition', 'attachment; filename="%s"' % os.path.basename(a))
message.attach(part)
message = message.as_string()
return message
def send_message(self, message):
"""Actually send the message."""
api_key = settings.MANDRILL_API_KEY_INTERNAL if self.is_internal else settings.MANDRILL_API_KEY_EXTERNAL
key_type_str = "internal" if self.is_internal else "external"
logging.debug("Sending mail through %s API key %s" % (key_type_str, api_key))
mandrill_client = mandrill.Mandrill(api_key)
return mandrill_client.messages.send(message=message)
And since then, I get the following response from mandrill API call:
ValidationError: Validation error: {"message":"Please enter an array"}
Do you have an idea, what am I doing wrong?
Thanks, Alex A.