def is_binary(data):
"""
Detects if the passed string of data is binary or text
"""
if not data or not isinstance(data, ((str,), bytes)):
return False
if isinstance(data, bytes):
if b"\0" in data:
return True
elif "\0" in data:
return True
text_characters = "".join([chr(x) for x in range(32, 127)] + list("\n\r\t\b"))
# Get the non-text characters (map each character to itself then use the
# 'remove' option to get rid of the text characters.)
if isinstance(data, bytes):
import salt.utils.data
nontext = data.translate(None, salt.utils.data.encode(text_characters))
else:
trans = "".maketrans("", "", text_characters)
nontext = data.translate(trans)
# If more than 30% non-text characters, then
# this is considered binary data
if float(len(nontext)) / len(data) > 0.30:
return True
return False
def is_binary(data):
'''
Detects if the passed string of data is binary or text
'''
if not data or not isinstance(data, (six.string_types, six.binary_type)):
return False
if isinstance(data, six.binary_type):
if b'\0' in data:
return True
elif str('\0') in data:
return True
text_characters = ''.join([chr(x) for x in range(32, 127)] + list('\n\r\t\b'))
# Get the non-text characters (map each character to itself then use the
# 'remove' option to get rid of the text characters.)
if six.PY3:
if isinstance(data, six.binary_type):
import salt.utils.data
nontext = data.translate(None, salt.utils.data.encode(text_characters))
else:
trans = ''.maketrans('', '', text_characters)
nontext = data.translate(trans)
else:
if isinstance(data, six.text_type):
trans_args = ({ord(x): None for x in text_characters},)
else:
trans_args = (None, str(text_characters)) # future lint: blacklisted-function
nontext = data.translate(*trans_args)
# If more than 30% non-text characters, then
# this is considered binary data
if float(len(nontext)) / len(data) > 0.30:
return True
return False
def is_binary(data):
'''
Detects if the passed string of data is binary or text
'''
if not data or not isinstance(data, (six.string_types, six.binary_type)):
return False
try:
if isinstance(data, six.binary_type):
if b'\0' in data:
return True
elif str('\0') in data:
return True
except UnicodeDecodeError:
pass
text_characters = ''.join([chr(x)
for x in range(32, 127)] + list('\n\r\t\b'))
if six.PY3:
if isinstance(data, six.binary_type):
import salt.utils.data
nontext = data.translate(None,
salt.utils.data.encode(text_characters))
else:
trans = ''.maketrans('', '', text_characters)
nontext = data.translate(trans)
else:
if isinstance(data, six.text_type):
trans_args = ({ord(x): None for x in text_characters}, )
else:
trans_args = (None, str(text_characters))
nontext = data.translate(*trans_args)
if float(len(nontext)) / len(data) > 0.30:
return True
return False
