malexer

import configparser
import os


class EnvInterpolation(configparser.BasicInterpolation):
    """Interpolation which expands environment variables in values."""

    def before_get(self, parser, section, option, value, defaults):
        value = super().before_get(parser, section, option, value, defaults)
        return os.path.expandvars(value)

malexer

# after using SQLAlchemy I've decided to try my python skills in coding it's filter function magic
# without looking into their source code, just for fun
# Note: it's not complete, just proof of concept

class BindProperty(type):
    def __new__(cls, name, bases, namespace, **kwds):
        result = type.__new__(cls, name, bases, dict(namespace))

        for name, value in namespace.items():
            if isinstance(value, Property):

malexer

# Note: it is a copy of great answer by "mgoldwasser" from Stackoverflow
# Check the original answer here: http://stackoverflow.com/a/26018934/1032439

# Imagine that post1, post5, and post1000 are posts objects with ids 1, 5 and 1000 respectively
# The goal is to "upsert" these posts.
# we initialize a dict which maps id to the post object

my_new_posts = {1: post1, 5: post5, 1000: post1000} 

for each in posts.query.filter(posts.id.in_(my_new_posts.keys())).all():

malexer

"""Redirect all logging (including errors) from Tornado web framework to stdout
and use stderr for error logs only.

Can be usefull when you want to store separatelly all logs and error logs.
"""

import logging
import sys

import tornado.log

malexer

import zmq


DEFAULT_PAGE = '\r\n'.join([
    "HTTP/1.0 200 OK",
    "Content-Type: text/plain",
    "",
    "Hello, World!",
])