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"""
Minor struct enhancements, and python version compatibility implementations
In usage, instead of importing struct you should just import this module instead.
It's designed to be a drop in replacement.
"""
__all__ = ("Struct", "error", "pack", "pack", "calcsize")
# since we're trying to be usable in struct's place, we do a start import;
# sucks, but is what it is.
# pylint: disable=wildcard-import,unused-wildcard-import
from struct import *
base_struct = Struct
# pylint: disable=function-redefined
class Struct(base_struct):
"""
Struct extension class adding `read` and `write` methods for handling files
"""
__slots__ = ()
def read(self, fd):
"""given file like object `fd`, unpack a record from it"""
return self.unpack(fd.read(self.size))
def write(self, fd, *args):
"""given file like object `fd`, write a record from it
args must match the number of required values for this instances
format; see :py:func:`pack` for details.
"""
return fd.write(self.pack(*args))
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