Re: multiple parameters in if statement

Try this:

if form.get("delete_id","") != "" and form.get("delete_data","") != "" and...

the "get" method lets you have an optional second argument that gets returned if the key is not in the dictionary.

Also, am I reading your code right? If I enter some fields but not all, you print a message that says "Nothing entered." Nothing?

The other thing I'd recommend is stick that long list of fields in a list, and then do operations on that list:

fields = ['delete_id', 'delete_date', 'delete_purchasetype', 'delete_price', 'delete_comment']

then to see if all those fields are empty:

everything = ""
for field in fields:
everything += form.get(field,"")
if everything == "":
print "Absolutely nothing entered!"

Kun wrote:
I am trying to make an if-statement that will not do anything and print 'nothing entered' if there is nothing entered in a form. I have the following code that does that, however, now even if I enter something into the form, the code still outputs 'nothing entered'. This violates the if statement and I am wondering what I did wrong.

if form.has_key("delete_id") and form["delete_id"].value != "" and form.has_key("delete_date") and form["delete_date"].value != "" and form.has_key("delete_purchasetype") and form["delete_purchasetype"].value != "" and form.has_key("delete_price") and form["delete_price"].value != "" and form.has_key("delete_comment") and form["delete_comment"].value != "":
delete_id=form['delete_id'].value
delete_date=form['delete_date'].value
delete_purchasetype=form['delete_purchasetype'].value
delete_price=form['delete_price'].value
delete_comment=form['delete_comment'].value
else:
print "ERROR: Nothing entered!"
raise Exception

.