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Even if a datafile is configured with the AUTOEXTEND option, datafile growth is Tip always restricted by the amount of free space available on the filesystem. Proactively monitoring filesystem space usage is discussed in the Server Filesystem Usage section later in this chapter.

<p>{% if form.password1.errors %} <span class="error"> {{ form.passsword1.errors|join:", " }} </span> {% endif %}</p> <p><label for="id_password1">Password:</label> {{ form.password1 }}</p> <p>{% if form.password2.errors %} <span class="error"> {{ form.passsword2.errors|join:", " }} </span> {% endif %}</p> <p><label for="id_password2">Password (again, to catch typos): </label> {{ form.password2 }}</p> <p><input type="submit" value="Submit"></p> </form> </body> </html> Most of the HTML here is pretty simple: a standard <form> tag with <label> tags for each field and a button to submit. But notice how you actually show the fields. Each one is accessed as an attribute of the {{ form }} variable. You can check each one to see if it had any errors and display the error messages (which will be in a list, even if there s only one message hence you use the join template filter, which can join a list of items using a specified string as a separator). Note, though, that at the top of the form you use {{ form.non_field_errors }}. This is because the error raised from the clean() method doesn t belong to any one field (because it comes from comparing two fields to each other). Whenever you have a potential validation error from the clean() method, you ll need to check for non_field_errors and display it if present.

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Beneath the drop-down boxes are text boxes to type a brief summary and a longer description. The summary should be short but descriptive. When the developers read through a list of bugs, this is the main thing they will look at. Gaim bug is a poor summary; Segfault when sending messages on ICQ is better. The detailed description that follows should contain enough information for a developer to reproduce the bug, or at least as much information as possible about what causes the bug.

You may want to attach a file to your tracker item. For patches and plug-ins, the use of this is obvious; you need to attach your patch or plug-in. For feature requests, a mocked-up screenshot may be appropriate. For bugs in the GUI, a screenshot of the bug may be helpful. The biggest mistake in attaching a file to a tracker item is failing to click the Check to Upload and Attach a File check box. A huge number of tracker items are submitted and nearly immediately the submitter updates the item to comment that he forgot to check that check box. To choose a file, click the Browse button or type the path in the provided text box. Then enter a description of the file and hit the Submit button to submit the new tracker item.

Now that the user-signup example has given you a pretty good idea of how to write a form to accept submitted data, you can write one for adding instances of your Snippet model. You ll simply set up fields for the information you want users to fill in, and then give it a save() method, which creates and saves the new snippet. But there s one new thing you have to handle here. The author field on your Snippet model has to be filled in, and it has to be filled in correctly, but you don t want to show it to your users and let them choose a value. If you did that, any user could effectively pretend to be any other by filling in someone else s name on a snippet. So you need some way to fill in that field without making it a public part of the form. Luckily, this is easy to do: a form is just a Python class. So you can add your own custom __init__() method to it and trust that the view function that processes the form will pass in the identity of the correct, authenticated user, which you can store and refer back to when it s time to save the snippet. So let s get started writing AddSnippetForm.

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