def __str__(self):

        return self.name

@python_2_unicode_compatible

class ProposalBase(models.Model):

    objects = InheritanceManager()

    kind = models.ForeignKey(ProposalKind, verbose_name=_("Kind"))

    title = models.CharField(max_length=100, verbose_name=_("Title"))

    abstract = models.TextField(

        _("Abstract"),

        help_text=_("This will appear in the conference programme. Up to about "

                    "500 words. Edit using <a "

    )

    abstract_html = models.TextField(blank=True)

    private_abstract = models.TextField(

        _("Private Abstract"),

        help_text=_("This will only be shown to organisers and reviewers. You "

                    "should provide any details about your proposal that you "

    )

    private_abstract_html = models.TextField(blank=True)

    technical_requirements = models.TextField(

        _("Special Requirements"),

        blank=True,

        help_text=_("Speakers will be provided with: Internet access, power, "

                    "projector, audio.  If you require anything in addition, "

                    "please list your technical requirements here.  Such as: a "

                    "static IP address, A/V equipment or will be demonstrating "

                    "security-related techniques on the conference network. "

                    "Edit using <a "

    )

    technical_requirements_html = models.TextField(blank=True)

    project = models.CharField(

        max_length=100,

        blank=True,

        help_text=_("The name of the project you will be talking about."),

    )

    project_url = models.URLField(

        _("Project URL"),

        blank=True,

        help_text=_("If your project has a webpage, specify the URL here so "

                    "the committee can find out more about your proposal.")

    )

    video_url = models.URLField(

        _("Video"),

    SESSION_COUNT_CHOICES = [

        (1, "One"),

        (2, "Two")

    ]

    user = models.OneToOneField(User, null=True, related_name="speaker_profile", verbose_name=_("User"))

    name = models.CharField(verbose_name=_("Name"), max_length=100,

                            help_text=_("As you would like it to appear in the"

                                        " conference programme."))

    biography = models.TextField(

        blank=True,

        help_text=_("This will appear on the conference website and in the "

                    "programme.  Please write in the third person, eg 'Alice "

                    "is a Moblin hacker...', 150-200 words. Edit using "

                    "<a href='http://warpedvisions.org/projects/"

                    "Markdown</a>."),

        verbose_name=_("Biography"),

    )

    biography_html = models.TextField(blank=True)

    experience = models.TextField(

        blank=True,

        help_text=_("Have you had any experience presenting elsewhere? If so, "

                    "we'd like to know. Anything you put here will only be "

                    "seen by the organisers and reviewers; use it to convince "

                    "them why they should accept your proposal. Edit using "

                    "<a href='http://warpedvisions.org/projects/"

                    "Markdown</a>."),

        verbose_name=_("Speaking experience"),

    )

    experience_html = models.TextField(blank=True)

    photo = models.ImageField(upload_to="speaker_photos", blank=True, verbose_name=_("Photo"))

    telephone = models.CharField(

        max_length=15,

        help_text=_(u"The conference team will need this to contact you "

                    "during the conference week. If you don't have one, or do "

                    "not wish to provide it, then enter NONE in this field.")

    )

    homepage = models.URLField(

        blank=True,

        help_text=_(u"Your home page, if you have one")

    )

    twitter_username = models.CharField(

        max_length=15,

        blank=True,

        help_text=_(u"Your Twitter account")

    )

    accessibility = models.TextField(

        blank=True,

        help_text=_("Please describe any special accessibility requirements "

        "that you may have. Edit using "

        "<a href='http://warpedvisions.org/projects/"

        verbose_name=_("Accessibility requirements"))

    accessibility_html = models.TextField(blank=True)

    travel_assistance = models.BooleanField(

        blank=True,

        default=False,

        help_text=_("Check this box if you require assistance to travel to Hobart to "

                    "present your proposed sessions."),

        verbose_name=_("Travel assistance required"),

    )

    accommodation_assistance = models.BooleanField(

        blank=True,

        default=False,

        help_text=_("Check this box if you require us to provide you with student-style "

                    "accommodation in order to present your proposed sessions."),

        verbose_name=_("Accommodation assistance required"),

    )