Hi,
I am trying to change a value in `settings.py` during run-time while
creating migrations.
**settings.py:**
...
magicVar = "initValue"
**0002_init:**
...
def change_magicVar(apps, schema_editor):
settings.magicVar = "newValue"
...
operations = [
migrations.RunPython(change_magicVar),
]
...
**0003_changed_migrations:**
...
def print_magicVar(apps, schema_editor):
# Yay! It prints the correct value
print (settings.magicVar) # prints: newValue
...
operations = [
migrations.RunPython(print_magicVar),
migrations.CreateModel(
name='MagicModel',
fields=[
('someMagic',
models.ForeignKey(
# Oops! This still has the old value, i.e *initValue*
# I want to achieve the *newValue* here!
default=settings.magicVar,
...
)),
I want the changed value in migrations, but it looks like the value is
already been cached.
Does django provide an abstraction to refresh the migrations cache and put
a new value in it? If not, what possible options do i have to achieve that
value in the defaults?
**Note:** I am trying to avoid this solution[3] because my database might
give millions of records and iterating over them isn't ideal.
For external reasons i am also trying to avoid django-livesettings[2]
Thank You
Ajay Tripathi
P.S: Find formatted version of the question on stack overflow here[1].
---
[1]:
https://stackoverflow.com/questions/52459208/django-change-settings-value-during-run-time-in-migrations
[2]: https://django-livesettings.readthedocs.io/en/latest/about.html
[3]: https://stackoverflow.com/a/40601025/6410464
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