Convenient bit fields for int subclasses
Project description
# bfield.BitField
The missing bitfield type for Python 2 and 3.
## Example:
```
from bfield import BitField
class AX(int):
AL = BitField(0, 8, "The lower octet")
AH = BitField(8, 16, "The higher octet")
assert AX(0x1234).AH == 0x12
assert AX(0x1234).AL == 0x34
```
## Caveat
Note that due to specifics of immutable ints, read-only is the best thing
available. This is sufficient for decoding binary protocols and file formats.
The missing bitfield type for Python 2 and 3.
## Example:
```
from bfield import BitField
class AX(int):
AL = BitField(0, 8, "The lower octet")
AH = BitField(8, 16, "The higher octet")
assert AX(0x1234).AH == 0x12
assert AX(0x1234).AL == 0x34
```
## Caveat
Note that due to specifics of immutable ints, read-only is the best thing
available. This is sufficient for decoding binary protocols and file formats.
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