hest

def get_count(q):
    count_q = q.statement.with_only_columns([func.count()]).order_by(None)
    count = q.session.execute(count_q).scalar()
    return count

q = session.query(TestModel).filter(...).order_by(...)

# Slow: SELECT COUNT(*) FROM (SELECT ... FROM TestModel WHERE ...) ...
print q.count()

sloria

The Best of the Best Practices (BOBP) Guide for Python

A "Best of the Best Practices" (BOBP) guide to developing in Python.

In General

Values

• "Build tools for others that you want to be built for you." - Kenneth Reitz
• "Simplicity is alway better than functionality." - Pieter Hintjens

lewg

#!/bin/sh
# UFW blocks for China, Korea, Malaysia, Phillipines, Singapore, Thailand and Vietnam netblocks
# Based on http://www.wizcrafts.net/chinese-iptables-blocklist.html

# Cambodia (KH)
ufw deny from 114.134.184.0/21 to any port 22

# Chinese (CN) IP addresses follow:
ufw deny from 1.192.0.0/13 to any port 22
ufw deny from 1.202.0.0/15 to any port 22

jsanchezpando

from myapp.utils import set_current_user


class CurrentUserMiddleware:
    def process_request(self, request):
        set_current_user(getattr(request, 'user', None))