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@pgolding
pgolding / scan.py
Created June 5, 2017 19:40
scan all elements from a dynamodb table using Python (boto3)
from __future__ import print_function # Python 2/3 compatibility
import boto3
import json
import decimal
from boto3.dynamodb.conditions import Key, Attr
# Helper class to convert a DynamoDB item to JSON.
class DecimalEncoder(json.JSONEncoder):
def default(self, o):
if isinstance(o, decimal.Decimal):
@DmitrySoshnikov
DmitrySoshnikov / python-closures.py
Created November 15, 2010 12:03
Understanding Python's closures
# "Understanding Python's closures".
#
# Tested in Python 3.1.2
#
# General points:
#
# 1. Closured lexical environments are stored
# in the property __closure__ of a function
#
# 2. If a function does not use free variables