icarovirtual

ffmpeg  -itsoffset -4  -i "https://scontent.xx.fbcdn.net/v/t50.12441-16/61340994_435915640302058_n.mp4?_nc_cat=106&_nc_ht=scontent.xx&oh=19858915f178f4854a789438b3d9d24b&oe=5D5B3C92" -vcodec mjpeg -vframes 1 -an -f rawvideo test.jpg

icarovirtual

# Sorry for the silly example
def is_platypus(self):
    if self.is_mammal():
        if self.has_fur():
            if self.has_beak():
                if self.has_tail():
                    if self.can_swim():
                        # It's a platypus!
                        return True
    # Not a platypus

icarovirtual

def is_platypus(self):
    # Not a platypus for everything below
    if not self.is_mammal():
        return False
    if not self.has_fur():
        return False
    if not self.has_beak():
        return False
    if not self.has_tail():
        return False

icarovirtual

def func_not_guarded(self, param):
    if param == 'something':
        self.counter += 1
        if self.counter > 10:
            self.reached_ten()
        else:
            if self.counter < 5:
                self.has_not_reached_5()
            else:
                self.has_not_reached_5()

icarovirtual

def copy_queryset_without_annotations(original_qs):
    # Create a new queryset based on the same model
    optimized_qs = original_qs.model.objects.all()
    # Copy the filters
    optimized_qs.query.where = original_qs.query.where
    optimized_qs.query.where_class = original_qs.query.where_class
    return optimized_qs

icarovirtual

class PaginatorWithOptimizedCount(Paginator):
    @cached_property
    def count(self):
        try:
            # First usage of optimization function
            return copy_queryset_without_annotations(self.object_list).count()
        except (AttributeError, TypeError):
            return len(self.object_list)

icarovirtual

class Article(models.Model):
    class Status(models.TextChoices):
        DRAFT = '0', "Draft"
        PUBLISHED = '1', "Published"
        REMOVED = '2', "Removed"

    status = models.CharField(choices=Status.choices, max_length=1)
   

class StatusFilter(admin.SimpleListFilter):

icarovirtual

class StatusFilter(admin.SimpleListFilter):
    # Change your lookups function and include the class method
    def lookups(self, request, model_admin):
        return self._lookups()

    @classmethod
    def _lookups(cls):
        # Static choices that will be used in the forms
        return Article.Status.choices

icarovirtual

class BaseFilterForm(forms.Form):
    def __init__(self, *args, **kwargs):
        # Receive the filter instances from the view
        filters = kwargs.pop('filters', [])
        super(BaseFilterForm, self).__init__(*args, **kwargs)
        for f in filters:
            # Create dynamic form fields from the filter
            self.fields[f.parameter_name] = \
                forms.ChoiceField(label=f.title, choices=[('', "Select")] + f._lookups(), required=False)
            

icarovirtual

class BaseFilterView:
    # List of admin filters
    filters = [StatusFilter]

    def get_form_kwargs(self):
        form_kwargs = super().get_form_kwargs()
        # Pass the filters to the form
        form_kwargs['filters'] = self.filters
        return form_kwargs