Source code for wolframclient.serializers.utils
from __future__ import absolute_import, print_function, unicode_literals
import decimal
import re
from wolframclient.utils.encoding import force_bytes
# replacement method borrowed from json
ESCAPE = re.compile(r'[\x00\\"\b\f\n\r\t]')
ESCAPE_DCT = {
chr(0): "\.00",
"\\": "\\\\",
'"': '\\"',
"\b": "\\b",
"\f": "\\f",
"\n": "\\n",
"\r": "\\r",
"\t": "\\t",
}
[docs]def replace(match):
return ESCAPE_DCT[match.group(0)]
[docs]def py_encode_text(s):
yield b'"'
yield force_bytes(ESCAPE.sub(replace, s), encoding="iso-8859-1")
yield b'"'
[docs]def py_encode_decimal(number, prec=decimal.getcontext().prec):
return "{0:f}``{1:d}".format(number, prec).encode("utf-8")
[docs]def safe_len(obj):
try:
return len(obj)
except TypeError:
return