mirror of https://github.com/ansible/ansible.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
"""Functions for encoding and decoding strings."""
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
from . import types as t
|
|
|
|
ENCODING = 'utf-8'
|
|
|
|
Text = type(u'')
|
|
|
|
|
|
def to_optional_bytes(value, errors='strict'): # type: (t.Optional[t.AnyStr], str) -> t.Optional[bytes]
|
|
"""Return the given value as bytes encoded using UTF-8 if not already bytes, or None if the value is None."""
|
|
return None if value is None else to_bytes(value, errors)
|
|
|
|
|
|
def to_optional_text(value, errors='strict'): # type: (t.Optional[t.AnyStr], str) -> t.Optional[t.Text]
|
|
"""Return the given value as text decoded using UTF-8 if not already text, or None if the value is None."""
|
|
return None if value is None else to_text(value, errors)
|
|
|
|
|
|
def to_bytes(value, errors='strict'): # type: (t.AnyStr, str) -> bytes
|
|
"""Return the given value as bytes encoded using UTF-8 if not already bytes."""
|
|
if isinstance(value, bytes):
|
|
return value
|
|
|
|
if isinstance(value, Text):
|
|
return value.encode(ENCODING, errors)
|
|
|
|
raise Exception('value is not bytes or text: %s' % type(value))
|
|
|
|
|
|
def to_text(value, errors='strict'): # type: (t.AnyStr, str) -> t.Text
|
|
"""Return the given value as text decoded using UTF-8 if not already text."""
|
|
if isinstance(value, bytes):
|
|
return value.decode(ENCODING, errors)
|
|
|
|
if isinstance(value, Text):
|
|
return value
|
|
|
|
raise Exception('value is not bytes or text: %s' % type(value))
|