Python 删除用户'；在Django中删除用户后的几天后

在我的Django应用程序中，我想在用户删除其帐户4-5天后删除用户的媒体文件（他们的个人资料图片和其他图像）

def delete_files(sender, instance, **kwargs):
    path = str(os.getcwd())
    try:
        pathdl = f"{path}\\data\\media\\{instance.username}"
        shutil.rmtree(pathdl)
    except Exception:
        print(Exception)


post_delete.connect(delete_files, sender=User)

---

我使用了

post_delete

来删除用户的文件，但是我如何在4-5天或某个时间段后删除文件

最好使用django芹菜节拍进行定期任务：

以此为例

将其视为您的用户

models.py

。这里您需要的是一个过期字段，在删除它之前，cronjob将检查该字段

models.py

   class Foo(models.model):
       UserId= models.CharField(max_length=40, unique=True) #user pk here
       expiration_date = models.DateTimeField() # you would set the time here

import datetime
from django.utils import timezone

def add_foo(instance):
    # Create an instance of foo with expiration date now + one day
    objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
        path = str(os.getcwd())
    try:
        pathdl = f"{path}\\data\\media\\{instance.username}"
        shutil.rmtree(pathdl)
        User.objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
    except Exception:
        print(Exception)
post_delete.connect(delete_files, sender=User)

from celery.schedules import crontab
from celery.task import periodic_task
from django.utils import timezone

@periodic_task(run_every=crontab(minute='*/5'))
def delete_old_foos():
    # Query all the expired date in our database
    userMedia = Users.objects.all()
    #Or get a specific user id to delete their file
    # Iterate through them
    for file in userMedia :
    
        # If the expiration date is bigger than now delete it
        if file.expiration_date < timezone.now():
            file.delete()
            # log deletion
    return "completed deleting file at {}".format(timezone.now())

views.py

   class Foo(models.model):
       UserId= models.CharField(max_length=40, unique=True) #user pk here
       expiration_date = models.DateTimeField() # you would set the time here

import datetime
from django.utils import timezone

def add_foo(instance):
    # Create an instance of foo with expiration date now + one day
    objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
        path = str(os.getcwd())
    try:
        pathdl = f"{path}\\data\\media\\{instance.username}"
        shutil.rmtree(pathdl)
        User.objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
    except Exception:
        print(Exception)
post_delete.connect(delete_files, sender=User)

from celery.schedules import crontab
from celery.task import periodic_task
from django.utils import timezone

@periodic_task(run_every=crontab(minute='*/5'))
def delete_old_foos():
    # Query all the expired date in our database
    userMedia = Users.objects.all()
    #Or get a specific user id to delete their file
    # Iterate through them
    for file in userMedia :
    
        # If the expiration date is bigger than now delete it
        if file.expiration_date < timezone.now():
            file.delete()
            # log deletion
    return "completed deleting file at {}".format(timezone.now())

tasks.py

   class Foo(models.model):
       UserId= models.CharField(max_length=40, unique=True) #user pk here
       expiration_date = models.DateTimeField() # you would set the time here

import datetime
from django.utils import timezone

def add_foo(instance):
    # Create an instance of foo with expiration date now + one day
    objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
        path = str(os.getcwd())
    try:
        pathdl = f"{path}\\data\\media\\{instance.username}"
        shutil.rmtree(pathdl)
        User.objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
    except Exception:
        print(Exception)
post_delete.connect(delete_files, sender=User)

from celery.schedules import crontab
from celery.task import periodic_task
from django.utils import timezone

@periodic_task(run_every=crontab(minute='*/5'))
def delete_old_foos():
    # Query all the expired date in our database
    userMedia = Users.objects.all()
    #Or get a specific user id to delete their file
    # Iterate through them
    for file in userMedia :
    
        # If the expiration date is bigger than now delete it
        if file.expiration_date < timezone.now():
            file.delete()
            # log deletion
    return "completed deleting file at {}".format(timezone.now())

来自芹菜.schedules导入crontab
从celery.task导入定期任务
从django.utils导入时区
@定期任务（每运行一次=crontab（分钟='*/5'））
def delete_old_foos（）：
#查询数据库中的所有过期日期
userMedia=Users.objects.all（）
#或者获取特定的用户id以删除其文件
#反复浏览它们
对于userMedia中的文件：
#如果过期日期大于现在，请将其删除
如果file.expiration\u date

---

当然，你也可以将这一想法融入到任何你想解决这个问题的方法中。

最好使用django芹菜节拍来完成定期任务：

以此为例

将其视为您的用户

models.py

。这里您需要的是一个过期字段，在删除它之前，cronjob将检查该字段

models.py

   class Foo(models.model):
       UserId= models.CharField(max_length=40, unique=True) #user pk here
       expiration_date = models.DateTimeField() # you would set the time here

import datetime
from django.utils import timezone

def add_foo(instance):
    # Create an instance of foo with expiration date now + one day
    objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
        path = str(os.getcwd())
    try:
        pathdl = f"{path}\\data\\media\\{instance.username}"
        shutil.rmtree(pathdl)
        User.objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
    except Exception:
        print(Exception)
post_delete.connect(delete_files, sender=User)

from celery.schedules import crontab
from celery.task import periodic_task
from django.utils import timezone

@periodic_task(run_every=crontab(minute='*/5'))
def delete_old_foos():
    # Query all the expired date in our database
    userMedia = Users.objects.all()
    #Or get a specific user id to delete their file
    # Iterate through them
    for file in userMedia :
    
        # If the expiration date is bigger than now delete it
        if file.expiration_date < timezone.now():
            file.delete()
            # log deletion
    return "completed deleting file at {}".format(timezone.now())

views.py

   class Foo(models.model):
       UserId= models.CharField(max_length=40, unique=True) #user pk here
       expiration_date = models.DateTimeField() # you would set the time here

import datetime
from django.utils import timezone

def add_foo(instance):
    # Create an instance of foo with expiration date now + one day
    objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
        path = str(os.getcwd())
    try:
        pathdl = f"{path}\\data\\media\\{instance.username}"
        shutil.rmtree(pathdl)
        User.objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
    except Exception:
        print(Exception)
post_delete.connect(delete_files, sender=User)

from celery.schedules import crontab
from celery.task import periodic_task
from django.utils import timezone

@periodic_task(run_every=crontab(minute='*/5'))
def delete_old_foos():
    # Query all the expired date in our database
    userMedia = Users.objects.all()
    #Or get a specific user id to delete their file
    # Iterate through them
    for file in userMedia :
    
        # If the expiration date is bigger than now delete it
        if file.expiration_date < timezone.now():
            file.delete()
            # log deletion
    return "completed deleting file at {}".format(timezone.now())

tasks.py

   class Foo(models.model):
       UserId= models.CharField(max_length=40, unique=True) #user pk here
       expiration_date = models.DateTimeField() # you would set the time here

import datetime
from django.utils import timezone

def add_foo(instance):
    # Create an instance of foo with expiration date now + one day
    objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
        path = str(os.getcwd())
    try:
        pathdl = f"{path}\\data\\media\\{instance.username}"
        shutil.rmtree(pathdl)
        User.objects.create(expiration_date=timezone.now() + datetime.timedelta(days=1))
    except Exception:
        print(Exception)
post_delete.connect(delete_files, sender=User)

from celery.schedules import crontab
from celery.task import periodic_task
from django.utils import timezone

@periodic_task(run_every=crontab(minute='*/5'))
def delete_old_foos():
    # Query all the expired date in our database
    userMedia = Users.objects.all()
    #Or get a specific user id to delete their file
    # Iterate through them
    for file in userMedia :
    
        # If the expiration date is bigger than now delete it
        if file.expiration_date < timezone.now():
            file.delete()
            # log deletion
    return "completed deleting file at {}".format(timezone.now())

来自芹菜.schedules导入crontab
从celery.task导入定期任务
从django.utils导入时区
@定期任务（每运行一次=crontab（分钟='*/5'））
def delete_old_foos（）：
#查询数据库中的所有过期日期
userMedia=Users.objects.all（）
#或者获取特定的用户id以删除其文件
#反复浏览它们
对于userMedia中的文件：
#如果过期日期大于现在，请将其删除
如果file.expiration\u date

当然，你也可以将这个想法融入到你想要解决这个问题的任何方式中