def _get_sysrandom():
# Use the system PRNG for session id generation (if possible)
# NOTE: secure random string generation implementation is adapted
# from the Django project. Reference:
# https://github.com/django/django/blob/0ed7d155635da9f79d4dd67e4889087d3673c6da/django/utils/crypto.py
import random
try:
random = random.SystemRandom()
using_sysrandom = True
except NotImplementedError:
import warnings
warnings.warn('A secure pseudo-random number generator is not available '
'on your system. Falling back to Mersenne Twister.')
if settings.secret_key() is None:
warnings.warn('A secure pseudo-random number generator is not available '
'and no BOKEH_SECRET_KEY has been set. '
'Setting a secret key will mitigate the lack of a secure '
'generator.')
using_sysrandom = False
return random, using_sysrandom
def _get_sysrandom():
# Use the system PRNG for session id generation (if possible)
# NOTE: secure random string generation implementation is adapted
# from the Django project. Reference:
# https://github.com/django/django/blob/0ed7d155635da9f79d4dd67e4889087d3673c6da/django/utils/crypto.py
import random
try:
random = random.SystemRandom()
using_sysrandom = True
except NotImplementedError:
import warnings
warnings.warn('A secure pseudo-random number generator is not available '
'on your system. Falling back to Mersenne Twister.')
if settings.secret_key() is None:
warnings.warn('A secure pseudo-random number generator is not available '
'and no BOKEH_SECRET_KEY has been set. '
'Setting a secret key will mitigate the lack of a secure '
'generator.')
using_sysrandom = False
return random, using_sysrandom
from bokeh.settings import settings
from bokeh.util.string import encode_utf8
# Use the system PRNG for session id generation (if possible)
# NOTE: secure random string generation implementation is adapted
# from the Django project. Reference:
# https://github.com/django/django/blob/0ed7d155635da9f79d4dd67e4889087d3673c6da/django/utils/crypto.py
try:
random = random.SystemRandom()
using_sysrandom = True
except NotImplementedError:
import warnings
warnings.warn('A secure pseudo-random number generator is not available '
'on your system. Falling back to Mersenne Twister.')
if settings.secret_key() is None:
warnings.warn('A secure pseudo-random number generator is not available '
'and no BOKEH_SECRET_KEY has been set. '
'Setting a secret key will mitigate the lack of a secure '
'generator.')
using_sysrandom = False
def _ensure_bytes(secret_key):
if secret_key is None:
return None
elif isinstance(secret_key, binary_type):
return secret_key
else:
return codecs.encode(secret_key, 'utf-8')
# this is broken out for unit testability
from six import binary_type
from bokeh.settings import settings
# Use the system PRNG for session id generation (if possible)
# NOTE: secure random string generation implementation is adapted
# from the Django project. Reference:
# https://github.com/django/django/blob/0ed7d155635da9f79d4dd67e4889087d3673c6da/django/utils/crypto.py
try:
random = random.SystemRandom()
using_sysrandom = True
except NotImplementedError:
import warnings
warnings.warn('A secure pseudo-random number generator is not available '
'on your system. Falling back to Mersenne Twister.')
if settings.secret_key() is None:
warnings.warn(
'A secure pseudo-random number generator is not available '
'and no BOKEH_SECRET_KEY has been set. '
'Setting a secret key will mitigate the lack of a secure '
'generator.')
using_sysrandom = False
def _ensure_bytes(secret_key):
if secret_key is None:
return None
elif isinstance(secret_key, binary_type):
return secret_key
else:
return codecs.encode(secret_key, 'utf-8')
