def __setattr__(self, name, value):
if self.frozen: raise Enumeration.ConstError('Enumeration is frozen.')
sd = self.__dict__
if name in sd: raise Enumeration.ConstError('Cannot rebind %s.' % name)
i, desc = self._next_val, None
if is_a_string(value):
desc = value
elif is_an_integer(value):
i = value
else:
i, desc = value
if self.unique and i in self._values:
raise ValueError('Value already used: %d.' % i)
sa = self._super_setattr
sa(name, i)
self._names.add(name)
self._values.add(i)
sa('_next_val', i + 1)
if desc:
sdd = self._descriptions
sdd[name] = desc
sdd[i] = desc
def __getitem__(self, key):
if is_an_integer(key):
for sec in self.section:
if key >= sec.start_addr and key <= sec.end_addr:
key -= sec.start_addr
return sec.buffer[key]
else:
start = key.start
if start is None:
raise IndexError('Must give start index.')
stop = key.stop
for sec in self.section:
if start >= sec.start_addr and start <= sec.end_addr:
start -= sec.start_addr
if stop is not None:
stop -= sec.start_addr
return sec.buffer[slice(start, stop, key.step)]
raise IndexError('Given index is invalid.')
def _serialize(self, f, name, val):
if is_an_integer(val):
f.write('^i %s %d\n' % (name, val))
elif isinstance(val, str):
f.write('^b %s %d\n' % (name, len(val)))
f.write(val)
elif isinstance(val, list):
f.write('^a %s %d\n' % (name, len(val)))
for i, e in enumerate(val):
self._serialize(f, str(i), e)
elif isinstance(val, dict):
f.write('^h %s %d\n' % (name, len(val)))
keys = val.keys()
keys.sort()
for i, k in enumerate(keys):
ks = str(i)
self._serialize(f, ks, k)
self._serialize(f, ks, val[k])
elif isinstance(val, float):
hexflt = val.hex()
f.write('^f %s %d\n' % (name, len(hexflt)))
f.write(hexflt)
else:
raise ValueError("Can't serialize %s, %s." % (name, type(val)))
def _serialize(self, f, name, val):
if is_an_integer(val):
f.write('^i %s %d\n' % (name, val))
elif isinstance(val, str):
f.write('^b %s %d\n' % (name, len(val)))
f.write(val)
elif isinstance(val, list):
f.write('^a %s %d\n' % (name, len(val)))
for i, e in enumerate(val):
self._serialize(f, str(i), e)
elif isinstance(val, dict):
f.write('^h %s %d\n' % (name, len(val)))
keys = val.keys()
keys.sort()
for i, k in enumerate(keys):
ks = str(i)
self._serialize(f, ks, k)
self._serialize(f, ks, val[k])
elif isinstance(val, float):
hexflt = val.hex()
f.write('^f %s %d\n' % (name, len(hexflt)))
f.write(hexflt)
else:
raise ValueError("Can't serialize %s, %s." % (name, type(val)))
