title: Django Forms, set an initial value to request.user
body: <p>Is there some way to make the following possible, or should it be done elsewhere?</p>
  
  <pre><code>class JobRecordForm(forms.ModelForm):
      supervisor = forms.ModelChoiceField(
          queryset    = User.objects.filter(groups__name='Supervisors'), 
          widget      = forms.RadioSelect,
          initial     = request.user # is there some way to make this possible?
      )    
      class Meta:
          model = JobRecord
  </code></pre>