Exemple #1
0
    def show_story(self, ar, story, stripped=True, **kwargs):
        """
        Render the given story and return it as a raw HTML string.

        Ignore `stripped` because it makes no sense in HTML.

        """
        from lino.core.actors import Actor
        from lino.core.tables import TableRequest
        from lino.core.requests import ActionRequest
        elems = []
        try:
            for item in forcetext(story):
                # print("20180907 {}".format(item))
                if isinstance(item, str):
                    elems.append(item)
                elif iselement(item):
                    # 20200501 elems.append(item)
                    elems.append(tostring(item))
                elif isinstance(item, type) and issubclass(item, Actor):
                    ar = item.default_action.request(parent=ar)
                    # 20200501 elems.extend(self.table2story(ar, **kwargs))
                    elems += [tostring(e) for e in self.table2story(ar, **kwargs)]
                elif isinstance(item, TableRequest):
                    assert item.renderer is not None
                    # 20200501 elems.extend(self.table2story(item, **kwargs))
                    elems += [tostring(e) for e in self.table2story(item, **kwargs)]
                elif isinstance(item, ActionRequest):
                    # example : courses.StatusReport in dashboard
                    assert item.renderer is not None
                    # 20200501 elems.append(self.show_story(ar, item.actor.get_story(None, ar), **kwargs))
                    elems += [tostring(e) for e in self.show_story(ar, item.actor.get_story(None, ar), **kwargs)]
                elif isinstance(item, DashboardItem):
                    elems.extend(item.render(ar, **kwargs))
                    # html = self.show_story(ar, item.render(ar), **kwargs)
                    # elems.append(html)
                    # # 20200501 if len(html):
                    # #     elems.append(E.div(
                    # #     html,
                    # #     CLASS="dashboard-item " + item.actor.actor_id.replace(".","-") if getattr(item, "actor", False) else ""
                    # if html: # should always be a string, never a list
                    #     if hasattr(item, "actor"):
                    #         css_class = "dashboard-item " + item.actor.actor_id.replace(".","-")
                    #     else:
                    #         css_class = ''
                    #     elems.append('<div class="{}">{}</div>'.format(css_class, html))

                elif isiterable(item):
                    elems.append(self.show_story(ar, item, **kwargs))
                    # for i in self.show_story(item, *args, **kwargs):
                    #     yield i
                else:
                    raise Exception("Cannot handle story item %r" % item)
        except Warning as e:
            elems.append(str(e))
        # print("20180907 show_story in {} : {}".format(ar.renderer, elems))
        # return E.div(*elems) if len(elems) else ""
        if len(elems):
            return "<div>{}</div>".format(''.join(elems))
        return ""
Exemple #2
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def choices_for_field(request, holder, field):
    """Return the choices for the given field and the given web request
    (whose requesting holder is given as `holder`).  holder is either
    a Model, an Actor or an Action.

    """
    # model = holder.get_chooser_model()
    chooser = holder.get_chooser_for_field(field.name)
    # logger.info('20140822 choices_for_field(%s.%s) --> %s',
    #             holder, field.name, chooser)
    if chooser:
        qs = chooser.get_request_choices(request, holder)
        if not isiterable(qs):
            raise Exception("%s.%s_choices() returned non-iterable %r" % (
                holder.model, field.name, qs))
        if chooser.simple_values:
            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = str(obj)
                d[constants.CHOICES_VALUE_FIELD] = obj
                return d
        elif chooser.instance_values:
            # same code as for ForeignKey
            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                    obj, request, field)
                d[constants.CHOICES_VALUE_FIELD] = obj.pk
                return d
        else:  # values are (value, text) tuples
            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = str(obj[1])
                d[constants.CHOICES_VALUE_FIELD] = obj[0]
                return d

    elif field.choices:
        qs = field.choices

        def row2dict(obj, d):
            if type(obj) is list or type(obj) is tuple:
                d[constants.CHOICES_TEXT_FIELD] = str(obj[1])
                d[constants.CHOICES_VALUE_FIELD] = obj[0]
            else:
                d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                    obj, request, field)
                d[constants.CHOICES_VALUE_FIELD] = str(obj)
            return d

    elif isinstance(field, models.ForeignKey):
        m = field.rel.model
        t = m.get_default_table()
        qs = t.request(request=request).data_iterator
        # logger.info('20120710 choices_view(FK) %s --> %s', t, qs.query)

        def row2dict(obj, d):
            d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                obj, request, field)
            d[constants.CHOICES_VALUE_FIELD] = obj.pk
            return d
    else:
        raise http.Http404("No choices for %s" % field)
    return (qs, row2dict)
Exemple #3
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    def show_story(self, ar, story, stripped=True, **kwargs):
        """Render the given story as reStructuredText to stdout."""
        from lino.core.actors import Actor
        from lino.core.tables import TableRequest
        from lino.core.requests import ActionRequest

        try:
            for item in forcetext(story):
                if iselement(item):
                    print(to_rst(item, stripped))
                elif isinstance(item, type) and issubclass(item, Actor):
                    ar = item.default_action.request(parent=ar)
                    self.show_table(ar, stripped=stripped, **kwargs)
                elif isinstance(item, DashboardItem):
                    self.show_story(
                        ar, item.render(ar), stripped, **kwargs)
                elif isinstance(item, TableRequest):
                    self.show_table(item, stripped=stripped, **kwargs)
                    # print(item.table2rst(*args, **kwargs))
                elif isinstance(item, ActionRequest):
                    # example : courses.StatusReport in dashboard
                    assert item.renderer is not None
                    self.show_story(ar, item.actor.get_story(None, ar), **kwargs)
                elif isiterable(item):
                    self.show_story(ar, item, stripped, **kwargs)
                    # for i in self.show_story(ar, item, *args, **kwargs):
                    #     print(i)
                else:
                    raise Exception("Cannot handle %r" % item)
        except Warning as e:
            print(e)
Exemple #4
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    def show_story(self, ar, story, stripped=True, **kwargs):
        """Render the given story as an HTML element. Ignore `stripped`
        because it makes no sense in HTML.

        """
        from lino.core.actors import Actor
        from lino.core.tables import TableRequest
        elems = []
        try:
            for item in forcetext(story):
                if iselement(item):
                    elems.append(item)
                elif isinstance(item, type) and issubclass(item, Actor):
                    ar = item.default_action.request(parent=ar)
                    elems.append(self.table2story(ar, **kwargs))
                elif isinstance(item, TableRequest):
                    assert item.renderer is not None
                    elems.append(self.table2story(item, **kwargs))
                elif isiterable(item):
                    elems.append(self.show_story(ar, item, **kwargs))
                    # for i in self.show_story(item, *args, **kwargs):
                    #     yield i
                else:
                    raise Exception("Cannot handle %r" % item)
        except Warning as e:
            elems.append(str(e))
        return E.div(*elems)
Exemple #5
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    def show_story(self, ar, story, stripped=True, **kwargs):
        """Render the given story as reStructuredText to stdout."""
        from lino.core.actors import Actor
        from lino.core.tables import TableRequest
        from lino.core.requests import ActionRequest

        try:
            for item in forcetext(story):
                if iselement(item):
                    print(to_rst(item, stripped))
                elif isinstance(item, type) and issubclass(item, Actor):
                    ar = item.default_action.request(parent=ar)
                    self.show_table(ar, stripped=stripped, **kwargs)
                elif isinstance(item, DashboardItem):
                    self.show_story(
                        ar, item.render(ar), stripped, **kwargs)
                elif isinstance(item, TableRequest):
                    self.show_table(item, stripped=stripped, **kwargs)
                    # print(item.table2rst(*args, **kwargs))
                elif isinstance(item, ActionRequest):
                    # example : courses.StatusReport in dashboard
                    assert item.renderer is not None
                    self.show_story(ar, item.actor.get_story(None, ar), **kwargs)
                elif isiterable(item):
                    self.show_story(ar, item, stripped, **kwargs)
                    # for i in self.show_story(ar, item, *args, **kwargs):
                    #     print(i)
                else:
                    raise Exception("Cannot handle %r" % item)
        except Warning as e:
            print(e)
Exemple #6
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def choices_for_field(request, actor, field):
    """
    Return the choices for the given field and the given web request
    (whose requesting actor has already been identified and is given
    as `actor`).
    """
    #~ logger.info("20120202 %r",field)
    chooser = choosers.get_for_field(field)
    if chooser:
        qs = chooser.get_request_choices(request, actor)
        assert isiterable(qs), \
            "%s.%s_choices() returned %r which is not iterable." % (
                actor.model, field.name, qs)
        if chooser.simple_values:
            def row2dict(obj, d):
                d[ext_requests.CHOICES_TEXT_FIELD] = unicode(obj)
                d[ext_requests.CHOICES_VALUE_FIELD] = obj
                return d
        elif chooser.instance_values:
            # same code as for ForeignKey
            def row2dict(obj, d):
                d[ext_requests.CHOICES_TEXT_FIELD] = actor.get_choices_text(
                    obj, request, field)
                d[ext_requests.CHOICES_VALUE_FIELD] = obj.pk
                return d
        else:  # values are (value,text) tuples
            def row2dict(obj, d):
                d[ext_requests.CHOICES_TEXT_FIELD] = unicode(obj[1])
                d[ext_requests.CHOICES_VALUE_FIELD] = obj[0]
                return d
    elif field.choices:
        qs = field.choices

        def row2dict(obj, d):
            if type(obj) is list or type(obj) is tuple:
                d[ext_requests.CHOICES_TEXT_FIELD] = unicode(obj[1])
                d[ext_requests.CHOICES_VALUE_FIELD] = obj[0]
            else:
                d[ext_requests.CHOICES_TEXT_FIELD] = actor.get_choices_text(
                    obj, request, field)
                d[ext_requests.CHOICES_VALUE_FIELD] = unicode(obj)
            return d

    elif isinstance(field, models.ForeignKey):
        m = field.rel.to
        #~ t = getattr(m,'_lino_choices_table',m.get_default_table())
        t = m.get_default_table()
        qs = t.request(request=request).data_iterator
        #~ logger.info('20120710 choices_view(FK) %s --> %s',t,qs)

        def row2dict(obj, d):
            d[ext_requests.CHOICES_TEXT_FIELD] = actor.get_choices_text(
                obj, request, field)
            d[ext_requests.CHOICES_VALUE_FIELD] = obj.pk
            return d
    else:
        raise http.Http404("No choices for %s" % fldname)
    return (qs, row2dict)
Exemple #7
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def choices_for_field(request,rpt,field):
    #~ logger.info("20120202 %r",field)
    chooser = choosers.get_for_field(field)
    if chooser:
        #~ logger.info('20120710 choices_view() : has chooser')
        qs = chooser.get_request_choices(request,rpt)
        #~ qs = list(chooser.get_request_choices(ar,rpt))
        #~ logger.info("20120213 %s",qs)
        #~ if qs is None:
            #~ qs = []
        assert isiterable(qs), \
              "%s.%s_choices() returned %r which is not iterable." % (
              rpt.model,field.name,qs)
        if chooser.simple_values:
            def row2dict(obj,d):
                d[ext_requests.CHOICES_TEXT_FIELD] = unicode(obj)
                #~ 20130117 : 'int' object has no attribute 'get_choices_text'
                d[ext_requests.CHOICES_VALUE_FIELD] = obj
                return d
        elif chooser.instance_values:
            # same code as for ForeignKey
            def row2dict(obj,d):
                d[ext_requests.CHOICES_TEXT_FIELD] = obj.get_choices_text(request,rpt,field)
                d[ext_requests.CHOICES_VALUE_FIELD] = obj.pk
                return d
        else:
            def row2dict(obj,d):
                d[ext_requests.CHOICES_TEXT_FIELD] = unicode(obj[1])
                #~ d[ext_requests.CHOICES_TEXT_FIELD] = obj[1].get_choices_text(request,rpt,field)
                d[ext_requests.CHOICES_VALUE_FIELD] = obj[0]
                return d
    elif field.choices:
        qs = field.choices
        def row2dict(obj,d):
            if type(obj) is list or type(obj) is tuple:
                d[ext_requests.CHOICES_TEXT_FIELD] = unicode(obj[1])
                d[ext_requests.CHOICES_VALUE_FIELD] = obj[0]
            else:
                d[ext_requests.CHOICES_TEXT_FIELD] = obj.get_choices_text(request,rpt,field)
                d[ext_requests.CHOICES_VALUE_FIELD] = unicode(obj)
            return d
        
    elif isinstance(field,models.ForeignKey):
        m = field.rel.to
        t = getattr(m,'_lino_choices_table',m._lino_default_table)
        qs = t.request(settings.LINO.ui,request).data_iterator
        #~ logger.info('20120710 choices_view(FK) %s --> %s',t,qs)
        def row2dict(obj,d):
            d[ext_requests.CHOICES_TEXT_FIELD] = obj.get_choices_text(request,rpt,field)
            d[ext_requests.CHOICES_VALUE_FIELD] = obj.pk 
            return d
    else:
        raise http.Http404("No choices for %s" % fldname)
    return (qs,row2dict)
Exemple #8
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    def show_story(self, ar, story, stripped=True, **kwargs):
        """
        Render the given story and return it as an HTML tree DIV element.

        Ignore `stripped` because it makes no sense in HTML.

        """
        from lino.core.actors import Actor
        from lino.core.tables import TableRequest
        from lino.core.requests import ActionRequest
        elems = []
        try:
            for item in forcetext(story):
                # print("20180907 {}".format(item))
                if iselement(item):
                    elems.append(item)
                elif isinstance(item, type) and issubclass(item, Actor):
                    ar = item.default_action.request(parent=ar)
                    elems.extend(self.table2story(ar, **kwargs))
                elif isinstance(item, TableRequest):
                    assert item.renderer is not None
                    elems.extend(self.table2story(item, **kwargs))
                elif isinstance(item, ActionRequest):
                    # example : courses.StatusReport in dashboard
                    assert item.renderer is not None
                    elems.append(
                        self.show_story(ar, item.actor.get_story(None, ar),
                                        **kwargs))
                elif isinstance(item, DashboardItem):
                    html = self.show_story(ar, item.render(ar), **kwargs)
                    if html:
                        elems.append(
                            E.div(html,
                                  CLASS="dashboard-item " +
                                  item.actor.actor_id.replace(".", "-")
                                  if getattr(item, "actor", False) else ""))
                elif isiterable(item):
                    elems.append(self.show_story(ar, item, **kwargs))
                    # for i in self.show_story(item, *args, **kwargs):
                    #     yield i
                else:
                    raise Exception("Cannot handle %r" % item)
        except Warning as e:
            elems.append(str(e))
        # print("20180907 show_story in {} : {}".format(ar.renderer, elems))
        return E.div(*elems) if elems else ""
Exemple #9
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 def story2odt(self, story, *args, **kw):
     from lino.core.actors import Actor
     from lino.core.tables import TableRequest
     for item in story:
         if iselement(item):
             yield toxml(html2odf(item))
         elif isinstance(item, type) and issubclass(item, Actor):
             sar = self.ar.spawn(item, *args, **kw)
             yield self.insert_table(sar)
         elif isinstance(item, TableRequest):
             # logger.info("20141211 story2odt %s", item)
             yield self.insert_table(item)
         elif isiterable(item):
             for i in self.story2odt(item, *args, **kw):
                 yield i
         else:
             raise Exception("Cannot handle %r" % item)
Exemple #10
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 def story2odt(self, story, *args, **kw):
     from lino.core.actors import Actor
     from lino.core.tables import TableRequest
     for item in story:
         if iselement(item):
             yield toxml(html2odf(item))
         elif isinstance(item, type) and issubclass(item, Actor):
             sar = self.ar.spawn(item, *args, **kw)
             yield self.insert_table(sar)
         elif isinstance(item, TableRequest):
             # logger.info("20141211 story2odt %s", item)
             yield self.insert_table(item)
         elif isiterable(item):
             for i in self.story2odt(item, *args, **kw):
                 yield i
         else:
             raise Exception("Cannot handle %r" % item)
Exemple #11
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    def show_story(self, ar, story, stripped=True, **kwargs):
        """
        Render the given story as an HTML element. Ignore `stripped`
        because it makes no sense in HTML.

        A story is an iterable of things that can be rendered.

        """
        from lino.core.actors import Actor
        from lino.core.tables import TableRequest
        from lino.core.requests import ActionRequest
        elems = []
        try:
            for item in forcetext(story):
                # print("20180907 {}".format(item))
                if iselement(item):
                    elems.append(item)
                elif isinstance(item, type) and issubclass(item, Actor):
                    ar = item.default_action.request(parent=ar)
                    elems.extend(self.table2story(ar, **kwargs))
                elif isinstance(item, TableRequest):
                    assert item.renderer is not None
                    elems.extend(self.table2story(item, **kwargs))
                elif isinstance(item, ActionRequest):
                    # example : courses.StatusReport in dashboard
                    assert item.renderer is not None
                    elems.append(self.show_story(ar, item.actor.get_story(None, ar), **kwargs))
                elif isinstance(item, DashboardItem):
                    elems.append(E.div(
                        self.show_story(ar, item.render(ar), **kwargs),
                        CLASS="dashboard-item " + item.actor.actor_id.replace(".","-") if getattr(item, "actor", False) else ""
                    ))
                elif isiterable(item):
                    elems.append(self.show_story(ar, item, **kwargs))
                    # for i in self.show_story(item, *args, **kwargs):
                    #     yield i
                else:
                    raise Exception("Cannot handle %r" % item)
        except Warning as e:
            elems.append(str(e))
        # print("20180907 show_story in {} : {}".format(ar.renderer, elems))
        return E.div(*elems) if elems else ""
Exemple #12
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    def show_story(self, ar, story, stripped=True, **kwargs):
        """Render the given story as reStructuredText to stdout."""
        from lino.core.actors import Actor
        from lino.core.requests import ActionRequest

        for item in story:
            if E.iselement(item):
                print(E.to_rst(item, stripped))
            elif isinstance(item, type) and issubclass(item, Actor):
                ar = item.default_action.request(parent=ar)
                self.show_table(ar, stripped=stripped, **kwargs)
            elif isinstance(item, ActionRequest):
                self.show_table(item, stripped=stripped, **kwargs)
                # print(item.table2rst(*args, **kwargs))
            elif isiterable(item):
                self.show_story(ar, item, stripped, **kwargs)
                # for i in self.show_story(ar, item, *args, **kwargs):
                #     print(i)
            else:
                raise Exception("Cannot handle %r" % item)
Exemple #13
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    def show_story(self, ar, story, stripped=True, **kwargs):
        """Render the given story as reStructuredText to stdout."""
        from lino.core.actors import Actor
        from lino.core.requests import ActionRequest

        for item in story:
            if E.iselement(item):
                print(E.to_rst(item, stripped))
            elif isinstance(item, type) and issubclass(item, Actor):
                ar = item.default_action.request(parent=ar)
                self.show_table(ar, stripped=stripped, **kwargs)
            elif isinstance(item, ActionRequest):
                self.show_table(item, stripped=stripped, **kwargs)
                # print(item.table2rst(*args, **kwargs))
            elif isiterable(item):
                self.show_story(ar, item, stripped, **kwargs)
                # for i in self.show_story(ar, item, *args, **kwargs):
                #     print(i)
            else:
                raise Exception("Cannot handle %r" % item)
Exemple #14
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    def show_story(self, ar, story, stripped=True, **kwargs):
        """Render the given story as an HTML element. Ignore `stripped`
        because it makes no sense in HTML.

        """
        from lino.core.actors import Actor
        from lino.core.tables import TableRequest
        elems = []
        for item in story:
            if E.iselement(item):
                elems.append(item)
            elif isinstance(item, type) and issubclass(item, Actor):
                ar = item.default_action.request(parent=ar)
                elems.append(self.table2story(ar, **kwargs))
            elif isinstance(item, TableRequest):
                assert item.renderer is not None
                elems.append(self.table2story(item, **kwargs))
            elif isiterable(item):
                elems.append(self.show_story(ar, item, **kwargs))
                # for i in self.show_story(item, *args, **kwargs):
                #     yield i
            else:
                raise Exception("Cannot handle %r" % item)
        return E.div(*elems)
Exemple #15
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def choices_for_field(ar, holder, field):
    """
    Return the choices for the given field and the given HTTP request
    whose `holder` is either a Model, an Actor or an Action.
    """
    if not holder.get_view_permission(ar.request.user.user_type):
        raise Exception("{user} has no permission for {holder}".format(
            user=ar.request.user, holder=holder))
    # model = holder.get_chooser_model()
    chooser = holder.get_chooser_for_field(field.name)
    # logger.info('20140822 choices_for_field(%s.%s) --> %s',
    #             holder, field.name, chooser)
    if chooser:
        qs = chooser.get_request_choices(ar, holder)
        if not isiterable(qs):
            raise Exception("%s.%s_choices() returned non-iterable %r" %
                            (holder.model, field.name, qs))
        if chooser.simple_values:

            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = str(obj)
                d[constants.CHOICES_VALUE_FIELD] = obj
                return d
        elif chooser.instance_values:
            # same code as for ForeignKey
            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                    obj, ar.request, field)
                d[constants.CHOICES_VALUE_FIELD] = obj.pk
                return d
        else:  # values are (value, text) tuples

            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = str(obj[1])
                d[constants.CHOICES_VALUE_FIELD] = obj[0]
                return d

        return (qs, row2dict)

    if field.choices:
        qs = field.choices

        def row2dict(obj, d):
            if type(obj) is list or type(obj) is tuple:
                d[constants.CHOICES_TEXT_FIELD] = str(obj[1])
                d[constants.CHOICES_VALUE_FIELD] = obj[0]
            else:
                d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                    obj, ar.request, field)
                d[constants.CHOICES_VALUE_FIELD] = str(obj)
            return d

        return (qs, row2dict)

    if isinstance(field, fields.VirtualField):
        field = field.return_type

    if isinstance(field, fields.RemoteField):
        field = field.field

    if isinstance(field, models.ForeignKey):
        m = field.remote_field.model
        t = m.get_default_table()
        qs = t.request(request=ar.request).data_iterator

        # logger.info('20120710 choices_view(FK) %s --> %s', t, qs.query)

        def row2dict(obj, d):
            d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                obj, ar.request, field)
            d[constants.CHOICES_VALUE_FIELD] = obj.pk
            return d
    else:
        raise http.Http404("No choices for %s" % field)
    return (qs, row2dict)
Exemple #16
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def choices_for_field(request, holder, field):
    """Return the choices for the given field and the given web request
    (whose requesting holder is given as `holder`).  holder is either
    a Model, an Actor or an Action.

    """
    # model = holder.get_chooser_model()
    chooser = holder.get_chooser_for_field(field.name)
    # logger.info('20140822 choices_for_field(%s.%s) --> %s',
    #             holder, field.name, chooser)
    if chooser:
        qs = chooser.get_request_choices(request, holder)
        if not isiterable(qs):
            raise Exception("%s.%s_choices() returned non-iterable %r" %
                            (holder.model, field.name, qs))
        if chooser.simple_values:

            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = str(obj)
                d[constants.CHOICES_VALUE_FIELD] = obj
                return d
        elif chooser.instance_values:
            # same code as for ForeignKey
            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                    obj, request, field)
                d[constants.CHOICES_VALUE_FIELD] = obj.pk
                return d
        else:  # values are (value, text) tuples

            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = str(obj[1])
                d[constants.CHOICES_VALUE_FIELD] = obj[0]
                return d

    elif field.choices:
        qs = field.choices

        def row2dict(obj, d):
            if type(obj) is list or type(obj) is tuple:
                d[constants.CHOICES_TEXT_FIELD] = str(obj[1])
                d[constants.CHOICES_VALUE_FIELD] = obj[0]
            else:
                d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                    obj, request, field)
                d[constants.CHOICES_VALUE_FIELD] = str(obj)
            return d

    elif isinstance(field, models.ForeignKey):
        m = field.rel.model
        t = m.get_default_table()
        qs = t.request(request=request).data_iterator

        # logger.info('20120710 choices_view(FK) %s --> %s', t, qs.query)

        def row2dict(obj, d):
            d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                obj, request, field)
            d[constants.CHOICES_VALUE_FIELD] = obj.pk
            return d
    else:
        raise http.Http404("No choices for %s" % field)
    return (qs, row2dict)
Exemple #17
0
def choices_for_field(ar, holder, field):
    """
    Return the choices for the given field and the given HTTP request
    whose `holder` is either a Model, an Actor or an Action.
    """
    if not holder.get_view_permission(ar.request.user.user_type):
        raise Exception(
            "{user} has no permission for {holder}".format(
                user=ar.request.user, holder=holder))
    # model = holder.get_chooser_model()
    chooser = holder.get_chooser_for_field(field.name)
    # logger.info('20140822 choices_for_field(%s.%s) --> %s',
    #             holder, field.name, chooser)
    if chooser:
        qs = chooser.get_request_choices(ar, holder)
        if not isiterable(qs):
            raise Exception("%s.%s_choices() returned non-iterable %r" % (
                holder.model, field.name, qs))
        if chooser.simple_values:
            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = str(obj)
                d[constants.CHOICES_VALUE_FIELD] = obj
                return d
        elif chooser.instance_values:
            # same code as for ForeignKey
            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                    obj, ar.request, field)
                d[constants.CHOICES_VALUE_FIELD] = obj.pk
                return d
        else:  # values are (value, text) tuples
            def row2dict(obj, d):
                d[constants.CHOICES_TEXT_FIELD] = str(obj[1])
                d[constants.CHOICES_VALUE_FIELD] = obj[0]
                return d
        return (qs, row2dict)

    if field.choices:
        qs = field.choices

        def row2dict(obj, d):
            if type(obj) is list or type(obj) is tuple:
                d[constants.CHOICES_TEXT_FIELD] = str(obj[1])
                d[constants.CHOICES_VALUE_FIELD] = obj[0]
            else:
                d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                    obj, ar.request, field)
                d[constants.CHOICES_VALUE_FIELD] = str(obj)
            return d

        return (qs, row2dict)

    if isinstance(field, fields.VirtualField):
        field = field.return_type

    if isinstance(field, fields.RemoteField):
        field = field.field

    if isinstance(field, models.ForeignKey):
        m = field.remote_field.model
        t = m.get_default_table()
        qs = t.request(request=ar.request).data_iterator

        # logger.info('20120710 choices_view(FK) %s --> %s', t, qs.query)

        def row2dict(obj, d):
            d[constants.CHOICES_TEXT_FIELD] = holder.get_choices_text(
                obj, ar.request, field)
            d[constants.CHOICES_VALUE_FIELD] = obj.pk
            return d
    else:
        raise http.Http404("No choices for %s" % field)
    return (qs, row2dict)