Django Settings. Dynamic secret key. Keep your secret key out of version control.

generate_key.py

from hashlib import md5, sha1
from base64 import urlsafe_b64encode as b64encode
import random, string


random.seed()
pattern = "%%0%dX"
junk_len = 1024

def generate_key(max_length, seed_length, encoder=b64encode, digester=sha1):
    """
    Generate a Base64-encoded 'random' key by hashing the data.
    data is a tuple of seeding values. Pass arbitrary encoder and
    digester for specific hashing and formatting of keys
    """
    junk = ( pattern % (junk_len * 2) ) % random.getrandbits( junk_len * seed_length )
    key = str(junk).encode()
    return b64encode( key )[:max_length]

def random_hash():
  return generate_key(96,1024,digester=sha1)


if __name__ == "__main__" :
    for count in range(150) :
        print random_hash()

settings.py

#
# Automatically Build a Secret Key
#
# We do this so we can put base/settings/key.py into .gitignore for this project template.
# You'd obviously remove that constraint for your own projects.
try:
    from .key import *

except ImportError:
    from base.lib.generate_key import generate_key

    secret_key_file = open(os.path.join(HERE_DIR, "key.py"), "w")
    secret_key_file.write("""SECRET_KEY = "{0}" """.format(generate_key(40, 128)))
    secret_key_file.close()

    from .key import *