View ColumnAttributeTypeMapper.cs
namespace YourNamespace
/// <summary>
/// Uses the Name value of the <see cref="ColumnAttribute"/> specified to determine
/// the association between the name of the column in the query results and the member to
/// which it will be extracted. If no column mapping is present all members are mapped as
/// usual.
/// </summary>
/// <typeparam name="T">The type of the object that this association between the mapper applies to.</typeparam>
public class ColumnAttributeTypeMapper<T> : FallbackTypeMapper
from sre_parse import Pattern, SubPattern, parse as sre_parse
from sre_compile import compile as sre_compile
from sre_constants import BRANCH, SUBPATTERN
class Scanner(object):
def __init__(self, tokens, flags=0):
subpatterns = []
pat = Pattern()
View gist:7629fec1e6750e077a947335bfa99bb0
import datetime
from django.conf import settings
from django.contrib.auth import logout
from django.contrib.auth.models import User
from django.contrib.sessions.models import Session
from django.http import HttpRequest
from django.utils.importlib import import_module


The Problem

I’m a web app that wants to allow other web apps access to my users’ information, but I want to ensure that the user says it’s ok.

The Solution

I can’t trust the other web apps, so I must interact with my users directly. I’ll let them know that the other app is trying to get their info, and ask whether they want to grant that permission. Oauth defines a way to initiate that permission verification from the other app’s site so that the user experience is smooth. If the user grants permission, I issue an AuthToken to the other app which it can use to make requests for that user's info.

Note on encryption

Oauth2 has nothing to do with encryption -- it relies upon SSL to keep things (like the client app’s shared_secret) secure.

import uuid
import wtforms_json
from sqlalchemy import not_
from sqlalchemy.dialects.postgresql import UUID
from wtforms import Form
from wtforms.fields import FormField, FieldList
from wtforms.validators import Length
from flask import current_app as app
from flask import request, json, jsonify, abort

How to recover lost Python source code if it's still resident in-memory

I screwed up using git ("git checkout --" on the wrong file) and managed to delete the code I had just written... but it was still running in a process in a docker container. Here's how I got it back, using and

Attach a shell to the docker container

Install GDB (needed by pyrasite)

apt-get update && apt-get install gdb
from wsgiref.handlers import format_date_time
import curio
from curio import network
from curio import socket
from import Socket
import h11
import tls
View tls_changes.diff
--- tls/tls.c 2017-01-25 18:20:41.087748566 +0000
+++ /home/vinay/tmp/tls.c 2017-01-29 08:26:00.343170297 +0000
@@ -635,6 +635,21 @@
return (rv);
+static BOOL
+socket_is_valid(SOCKET fd)
+ fd_set fds;
View libtlstest.c
#include <stdio.h>
#include <unistd.h>
#include <sys/socket.h>
#include <tls.h>
#define MSGSIZE 1024
static void
assert(BOOL condition, char * format, ...)
Simple demonstration of how to implement Server-sent events (SSE) in Python
using Bottle micro web-framework.
SSE require asynchronous request handling, but it's tricky with WSGI. One way
to achieve that is to use gevent library as shown here.
Usage: just start the script and open http://localhost:8080/ in your browser.
Based on: