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Now, let s take a look at a view you might use to display and process this form: from django.http import HttpResponseRedirect from django.shortcuts import render_to_response def signup(request): if request.method == 'POST': form = SignupForm(data=request.POST) if form.is_valid(): new_user = form.save() return HttpResponseRedirect("/accounts/login/") else: form = SignupForm() return render_to_response('signup.html', { 'form': form }) Let s break this down step by step: 1. First you check the method of the incoming HTTP request. Usually, this will be GET or POST. (There are other HTTP methods, but they re not as commonly used, and web browsers typically support only GET and POST for form submissions.) 2. If, and only if, the request method is POST, you instantiate a SignupForm and pass it request.POST as its data. Back in 3, when you wrote a simple search function, you saw that request.GET is a dictionary of data sent with a GET request; similarly, request.POST is the dictionary of data (in this case, the form submission) sent along with a POST request. 3. You check whether the submitted data is valid by calling the form s is_valid() method. Under the hood, this matches up the submitted data with the fields on the form and checks against each field s validation rules. If the data passes validation, is_valid() will return True, and the form s cleaned_data dictionary will be populated with the correct values. Otherwise, is_valid() will return False, and the cleaned_data dictionary will not exist.

A tracker is used to track issues, most prominently bug reports that lead to the alternate name bug tracker, but anything can be considered an issue. Gaim has trackers for bugs, feature requests, submitted patches, third-party plug-ins, translations, and other items. The best way of communicating to Gaim is to submit an item to one of our trackers. If you have found a bug, file a bug report to the bug tracker. If you wish to request a feature, file a request in our RFE (Request for Enhancement) tracker. Tracker items will remain open until they ve been resolved, meaning it won t be forgotten as often happens to items submitted via e-mail or some other mechanism. In this section, I will describe the process of working with the SourceForge.net trackers, from both the perspective of the user submitting an item, and of a developer resolving it.

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if [ $RETURN_CODE -eq 0 ] then exit 0 else exit 1 fi In order to resolve this issue, you need to allocate more space to the tablespace. This can be accomplished by increasing the size of the datafile, setting the datafiles of the object s tablespace to AUTOEXTEND, or adding more datafiles to the tablespace. The following statement will alter a datafile to automatically extend: alter tablespace [tablespace_name] datafile '[path/datafile_name]' autoextend; The following statement will alter a datafile to extend to a given size: alter tablespace [tablespace_name] datafile '[path/datafile_name]' size [size]M; The following statement will add a datafile to the tablespace: alter tablespace [tablespace_name] add datafile '[path/datafile_name]' size [size]M;

4 If the data was valid, you call the form s save() method, which you previously defined Then you return an HTTP redirect using djangohttpHttpResponseRedirect to a new page, which, presumably, would be wired up to a view to let the new user log in Whenever you accept data from an HTTP POST, you should always redirect after successful processing By taking the user to a new page, you avoid a common pitfall where refreshing or clicking the Back button in a web browser accidentally resubmits a form 5 If the request method was anything other than POST, you instantiate a SignupForm without any data Technically speaking, this is called an unbound form (one that has no data to work with), as opposed to a bound form, which does have some data to validate 6.

A Gaim user will find a Bug Reports link in the menu along the right side of the Gaim Web page at http://gaim.sourceforge.net. This leads directly to the Submit New Issue page for the bug tracker, shown in Figure 3-13. Alternatively, a user can reach the page from the SourceForge.net project page (http://sourceforge.net/projects/gaim), which is also linked to from the Gaim Web page.

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