class Bar(Buffer):
def _do_something(self):
assert self.f_bar_j == 5
self.f_bar_i = 10
return self.f_bar_i
f_bar_i = int_field(where=bytes_ref[0:4],
set_before_pack=_do_something)
f_bar_j = int_field(where=bytes_ref[4:8])
class Foo(Buffer):
f_int = int_field(where=bytes_ref[0:4])
f_str = str_field(where=bytes_ref[4:])
def __init__(self, f_int, f_str):
self.f_int = f_int
self.f_str = f_str
class Foo(Buffer):
f_int = int_field(
sign='unsigned',
where=(bytes_ref[7].bits[0:4] + bytes_ref[6].bits[0:4] +
bytes_ref[5].bits[0:4] + bytes_ref[4].bits[0:4] +
bytes_ref[3].bits[0:4] + bytes_ref[2].bits[0:4] +
bytes_ref[1].bits[0:4] + bytes_ref[0].bits[0:4]))
class Bar(Buffer):
f_a = int_field(where=bytes_ref[0:4])
def __init__(self, f_a=0):
self.f_a = f_a
def __eq__(self, other):
return self.f_a == other.f_a
class Foo(Buffer):
f_str_len = int_field(where=bytes_ref[0:4],
set_before_pack=lambda self: len(self.f_str))
f_str = str_field(where=bytes_ref[4:4 + f_str_len])
def __init__(self, f_str):
self.f_str_len = 0
self.f_str = f_str
class Foo(Buffer):
def _choose_bar(self, buffer, **kwargs):
return Bar if self.f_select == 0 else Bar2
f_select = int_field(where=bytes_ref[0:4])
f_list = list_field(where=bytes_ref[4:],
type=Bar,
unpack_selector=_choose_bar,
unpack_after=f_select)
class Bar2(Bar):
f_b = int_field(where=bytes_ref[4:8])
def __init__(self, f_a=0, f_b=0):
super(Bar2, self).__init__(f_a)
self.f_b = f_b
def __eq__(self, other):
return self.f_a == other.f_a and self.f_b == other.f_b
class CoolingElementInfo(Buffer):
byte_size = 3
# for real fan speed the fan speed value should be multiplied by a factor of 10
fan_speed = int_field(where=(bytes_ref[0].bits[0:3] +
bytes_ref[1]))
ident = be_int_field(where=bytes_ref[0].bits[7])
speed_code = be_int_field(where=bytes_ref[2].bits[0:3])
off = be_int_field(where=bytes_ref[2].bits[4])
reqstd_on = be_int_field(where=bytes_ref[2].bits[5])
fail = be_int_field(where=bytes_ref[2].bits[6])
hot_swap = be_int_field(where=bytes_ref[2].bits[7])
class Foo(Buffer):
f_a = int_field(where=bytes_ref[0:4])
class Foo2(Buffer):
f_int = int_field(where=(bytes_ref[1].bits[0:4] + bytes_ref[0]))
class Foo(Buffer):
f_int = int_field(where=bytes_ref[0:4],
set_before_pack=len_ref(self_ref.f_str) * 2)
f_str = str_field(where=bytes_ref[4:4 + f_int // 2])
class Foo(Buffer):
f_int = int_field(where=bytes_ref[0:4],
set_before_pack=total_size)
f_str = str_field(where=bytes_ref[4:f_int])
class Foo(Buffer):
f_foo_i = int_field(where=bytes_ref[0:4])
f_bar = buffer_field(where=bytes_ref[4:4 + Bar.byte_size],
type=Bar)
class Bar(Buffer):
f_bar_i = int_field(where=bytes_ref[0:4])
f_bar_j = int_field(where=bytes_ref[4:8])
class Foo(Buffer):
f_a = int_field(where=bytes_ref[0:4], default=42)
class Foo(Buffer):
f_int = int_field(where=bytes_ref[0:4],
set_before_pack=total_size - 4)
f_str = str_field(where_when_pack=bytes_ref[4:],
where_when_unpack=bytes_ref[4:4 + f_int])
class Foo(Buffer):
f_a = int_field(where=bytes_ref[0].bits[0:4])
f_b = int_field(where=bytes_ref[0].bits[4:8])
class Bar2(Bar):
f_b = int_field(where=bytes_ref[4:8])
class Foo(Buffer):
f_int = int_field(
sign='unsigned',
where=(bytes_ref[0:2].bits[4:12] + bytes_ref[2:4].bits[4:12] +
bytes_ref[4:6].bits[4:12] + bytes_ref[6:8].bits[4:12]))
