def force_text(s, encoding='utf-8', errors='strict'):
"""
Similar to smart_text, except that lazy instances are resolved to
strings, rather than kept as lazy objects.
If strings_only is True, don't convert (some) non-string-like objects.
"""
# Handle the common case first for performance reasons.
if isinstance(s, six.text_type):
return s
if not isinstance(s, six.string_types):
if six.PY3:
if isinstance(s, bytes):
s = six.text_type(s, encoding, errors)
else:
s = six.text_type(s)
elif hasattr(s, '__unicode__'):
s = six.text_type(s)
else:
s = six.text_type(bytes(s), encoding, errors)
else:
# Note: We use .decode() here, instead of six.text_type(s, encoding,
# errors), so that if s is a SafeBytes, it ends up being a
# SafeText at the end.
s = s.decode(encoding, errors)
return s
def force_bytes(s, encoding='utf-8', errors='strict'):
"""
If strings_only is True, don't convert (some) non-string-like objects.
"""
# Handle the common case first for performance reasons.
if isinstance(s, bytes):
return s
if isinstance(s, six.buffer_types):
return bytes(s)
if not isinstance(s, six.string_types):
try:
if six.PY3:
return six.text_type(s).encode(encoding)
else:
return bytes(s)
except UnicodeEncodeError:
if isinstance(s, Exception):
# An Exception subclass containing non-ASCII data that doesn't
# know how to print itself properly. We shouldn't raise a
# further exception.
return b' '.join(
force_bytes(arg, encoding, errors=errors) for arg in s)
return six.text_type(s).encode(encoding, errors)
else:
return s.encode(encoding, errors)
def encode(s, encoding="utf-8", errors="strict"):
try:
return encode_default(s, encoding, errors)
except UnicodeEncodeError:
if isinstance(s, Exception):
# An Exception subclass containing non-ASCII data that doesn't
# know how to print itself properly. We shouldn't raise a
# further exception.
return b" ".join(
force_bytes(arg, encoding, errors=errors) for arg in s)
return six.text_type(s).encode(encoding, errors)
def encode_default(s, encoding="utf-8", errors="strict"):
return six.text_type(s).encode(encoding)
def encode(s, encoding="utf-8", errors="strict"):
if hasattr(s, "__unicode__"):
return six.text_type(s)
else:
return six.text_type(bytes(s), encoding, errors)