posts/admin.py - main - eb/yatube2

from django.contrib import admin
from django.utils.safestring import mark_safe

from posts.models import Post, Group, Comment, Profile


class GroupAdmin(admin.ModelAdmin):
    list_display = ('pk', 'title', 'slug', 'description')
    search_fields = ('description',)
    list_filter = ('title',)
    empty_value_display = '-пусто-'


class PostAdmin(admin.ModelAdmin):
    list_display = ('pk', 'text', 'pub_date', 'author', 'group')
    search_fields = ('text',)
    list_filter = ('pub_date',)
    empty_value_display = '-пусто-'


class CommentAdmin(admin.ModelAdmin):
    list_display = ('pk', 'text', 'author', 'post', 'created')
    search_fields = ('text',)
    list_filter = ('created',)
    empty_value_display = '-пусто-'


class ProfileAdmin(admin.ModelAdmin):
    list_display = ('pk', 'user', 'get_image')
    list_display_links = ('pk',)
    readonly_fields = ('get_image',)

    def get_image(self, obj):
        return mark_safe(f'<img src={obj.photo.url} width="50" height="60"')

    get_image.short_description = 'Аватар'


admin.site.register(Group, GroupAdmin)
admin.site.register(Post, PostAdmin)
admin.site.register(Comment, CommentAdmin)
admin.site.register(Profile, ProfileAdmin)