def descr__new__(space, w_unicodetype, w_string='', w_encoding=None, w_errors=None):
# NB. the default value of w_obj is really a *wrapped* empty string:
# there is gateway magic at work
from pypy.objspace.std.unicodeobject import W_UnicodeObject
from pypy.objspace.std.ropeunicodeobject import W_RopeUnicodeObject
w_obj = w_string
w_obj_type = space.type(w_obj)
encoding, errors = _get_encoding_and_errors(space, w_encoding, w_errors)
if space.is_w(w_obj_type, space.w_unicode):
if encoding is not None or errors is not None:
raise OperationError(space.w_TypeError,
space.wrap('decoding Unicode is not supported'))
if space.is_w(w_unicodetype, space.w_unicode):
return w_obj
w_value = w_obj
elif encoding is None and errors is None:
if space.is_true(space.isinstance(w_obj, space.w_str)):
w_value = unicode_from_string(space, w_obj)
elif space.is_true(space.isinstance(w_obj, space.w_unicode)):
w_value = w_obj
else:
w_value = unicode_from_object(space, w_obj)
else:
w_value = unicode_from_encoded_object(space, w_obj, encoding, errors)
if space.config.objspace.std.withropeunicode:
assert isinstance(w_value, W_RopeUnicodeObject)
w_newobj = space.allocate_instance(W_RopeUnicodeObject, w_unicodetype)
W_RopeUnicodeObject.__init__(w_newobj, w_value._node)
return w_newobj
assert isinstance(w_value, W_UnicodeObject)
w_newobj = space.allocate_instance(W_UnicodeObject, w_unicodetype)
W_UnicodeObject.__init__(w_newobj, w_value._value)
return w_newobj
def descr_new_(space, w_unicodetype, w_string='', w_encoding=None, w_errors=None):
# NB. the default value of w_obj is really a *wrapped* empty string:
# there is gateway magic at work
from pypy.objspace.std.unicodeobject import W_UnicodeObject
from pypy.objspace.std.ropeunicodeobject import W_RopeUnicodeObject
w_obj = w_string
encoding, errors = _get_encoding_and_errors(space, w_encoding, w_errors)
if space.is_true(space.isinstance(w_obj, space.w_unicode)):
if encoding is not None or errors is not None:
raise OperationError(space.w_TypeError,
space.wrap('decoding Unicode is not supported'))
w_value = w_obj
else:
if encoding is None and errors is None:
if space.is_true(space.isinstance(w_obj, space.w_str)):
w_value = unicode_from_string(space, w_obj)
else:
w_value = unicode_from_object(space, w_obj)
else:
w_value = unicode_from_encoded_object(space, w_obj,
encoding, errors)
if space.is_w(w_unicodetype, space.w_unicode):
return w_value
if space.config.objspace.std.withropeunicode:
assert isinstance(w_value, W_RopeUnicodeObject)
w_newobj = space.allocate_instance(W_RopeUnicodeObject, w_unicodetype)
W_RopeUnicodeObject.__init__(w_newobj, w_value._node)
return w_newobj
assert isinstance(w_value, W_UnicodeObject)
w_newobj = space.allocate_instance(W_UnicodeObject, w_unicodetype)
W_UnicodeObject.__init__(w_newobj, w_value._value)
return w_newobj
def unicode_from_string(space, w_str):
# this is a performance and bootstrapping hack
if space.config.objspace.std.withropeunicode:
from pypy.objspace.std.ropeunicodeobject import unicode_from_string
return unicode_from_string(space, w_str)
encoding = getdefaultencoding(space)
from pypy.objspace.std.unicodeobject import W_UnicodeObject
if encoding != 'ascii':
return unicode_from_encoded_object(space, w_str, encoding, "strict")
s = space.str_w(w_str)
try:
return W_UnicodeObject(s.decode("ascii"))
except UnicodeDecodeError:
# raising UnicodeDecodeError is messy, "please crash for me"
return unicode_from_encoded_object(space, w_str, "ascii", "strict")
def unicode_from_string(space, w_str):
# this is a performance and bootstrapping hack
if space.config.objspace.std.withropeunicode:
from pypy.objspace.std.ropeunicodeobject import unicode_from_string
return unicode_from_string(space, w_str)
encoding = getdefaultencoding(space)
from pypy.objspace.std.unicodeobject import W_UnicodeObject
if encoding != 'ascii':
return unicode_from_encoded_object(space, w_str, encoding, "strict")
s = space.str_w(w_str)
try:
return W_UnicodeObject(s.decode("ascii"))
except UnicodeDecodeError:
# raising UnicodeDecodeError is messy, "please crash for me"
return unicode_from_encoded_object(space, w_str, "ascii", "strict")
