import psycopg2
conn = psycopg2.connect(database="test", user="enniu", password="postgres", host="127.0.0.1", port="5432")
加载psycopy，出现image not found解决办法
$ sudo ln -s /Users/enniu/anaconda/lib/libssl.1.0.0.dylib /usr/local/lib
$ sudo ln -s /Users/enniu/anaconda/lib/libcrypto.1.0.0.dylib /usr/local/lib
