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Django ORM + Twisted - Blocking
pip install django-twisted==0.1.0
twango = Django ORM + Twisted - Blocking
This is a library that contains a custom queryset and a custom manager that adds introspection to use
the twisted database api instead of django. It returns deferred instead of just hitting the database.
To install:
1. Run python setup.py
2. Import and set the manager as the manager for any model
This will keep the orm from blocking when using the django orm!
Example:
You can create models that are separate to be used in twisted processes:
from myapp import Book
from twango.manager import TwistedManager
from django.db.models.manager import Manager
class TwistedBook(Book):
objects = Manager()
twisted = TwistedManager()
class Meta:
app_label = 'myapp'
proxy = True
Then you can use the twisted manager like you would with the regular manager... just with callbacks!
def count_me(count):
print "Count: %s" % count
def all(queryset):
print 'All: %s' % queryset
def none(queryset):
print 'None: %s' % queryset
def callback(*args, **kwargs):
Book.twisted.count(success_callback=count_me)
Book.twisted.all(success_callback=all)
Book.twisted.none(success_callback=none)
d = Deferred()
d.addCallback(callback)
d.callback(None)
reactor.run()
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Last synced: 2021-02-14 16:33:53 UTC
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