circuitpython/tests/basics/class_store_class.py

48 lines
1.4 KiB
Python

# Inspired by urlparse.py from CPython 3.3 stdlib
# There was a bug in MicroPython that under some conditions class stored
# in instance attribute later was returned "bound" as if it was a method,
# which caused class constructor to receive extra argument.
try:
from collections import namedtuple
except ImportError:
from _collections import namedtuple
_DefragResultBase = namedtuple('DefragResult', 'foo bar')
class _ResultMixinStr(object):
def encode(self):
return self._encoded_counterpart(*(x.encode() for x in self))
class _ResultMixinBytes(object):
def decode(self):
return self._decoded_counterpart(*(x.decode() for x in self))
class DefragResult(_DefragResultBase, _ResultMixinStr):
pass
class DefragResultBytes(_DefragResultBase, _ResultMixinBytes):
pass
DefragResult._encoded_counterpart = DefragResultBytes
DefragResultBytes._decoded_counterpart = DefragResult
# Due to differences in type and native subclass printing,
# the best thing we can do here is to just test that no exceptions
# happen
#print(DefragResult, DefragResult._encoded_counterpart)
#print(DefragResultBytes, DefragResultBytes._decoded_counterpart)
o1 = DefragResult("a", "b")
#print(o1, type(o1))
o2 = DefragResultBytes("a", "b")
#print(o2, type(o2))
#print(o1._encoded_counterpart)
_o1 = o1.encode()
print(_o1[0], _o1[1])
#print(_o1, type(_o1))
print("All's ok")