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I have two Django models which inherit from a base class:
- Request
- Inquiry
- Analysis
Request has two foreign keys to the built-in User model.
create_user = models.ForeignKey(User, related_name="requests_created")
assign_user = models.ForeignKey(User, related_name="requests_assigned")
For some reason I"m getting the error
Reverse accessor for "Analysis.assign_user" clashes with reverse accessor for "Inquiry.assign_user".
Everything I"ve read says that setting the related_name
should prevent the clash, but I"m still getting the same error. Can anyone think of why this would be happening? Thanks!
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Django: reverse accessors for foreign keys clashing __del__: Questions
How can I make a time delay in Python?
5 answers
I would like to know how to put a time delay in a Python script.
Answer #1
import time
time.sleep(5) # Delays for 5 seconds. You can also use a float value.
Here is another example where something is run approximately once a minute:
import time
while True:
print("This prints once a minute.")
time.sleep(60) # Delay for 1 minute (60 seconds).
Answer #2
You can use the sleep()
function in the time
module. It can take a float argument for sub-second resolution.
from time import sleep
sleep(0.1) # Time in seconds
Django: reverse accessors for foreign keys clashing __del__: Questions
How to delete a file or folder in Python?
5 answers
How do I delete a file or folder in Python?
Answer #1
os.remove()
removes a file.os.rmdir()
removes an empty directory.shutil.rmtree()
deletes a directory and all its contents.
Path
objects from the Python 3.4+ pathlib
module also expose these instance methods:
pathlib.Path.unlink()
removes a file or symbolic link.pathlib.Path.rmdir()
removes an empty directory.
We hope this article has helped you to resolve the problem. Apart from Django: reverse accessors for foreign keys clashing, check other __del__-related topics.
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Paris | 2023-03-24
I was preparing for my coding interview, thanks for clarifying this - Django: reverse accessors for foreign keys clashing in Python is not the simplest one. Will get back tomorrow with feedback
Prague | 2023-03-24
Simply put and clear. Thank you for sharing. Django: reverse accessors for foreign keys clashing and other issues with re Python module was always my weak point 😁. Will get back tomorrow with feedback
Boston | 2023-03-24
Thanks for explaining! I was stuck with Django: reverse accessors for foreign keys clashing for some hours, finally got it done 🤗. I just hope that will not emerge anymore