Lucas Oskorep
42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
from bitstring import BitArray
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def chunker(seq, size):
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return (seq[pos:pos + size] for pos in range(0, len(seq), size))
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class BinToInt(object):
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def __init__(self, size = 32, signed=True):
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self.signed = signed
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def process(self, bin_string, reverse_marshalling=False):
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var = BitArray(bin_string)
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print(bin_string)
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chunked_bytes = [x for x in chunker(var, 8)]
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ordered_bytes = []
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for group in reversed(chunked_bytes) if reverse_marshalling else chunked_bytes:
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ordered_bytes.extend(group)
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ordered_bytes = [not x for x in reversed(ordered_bytes)]
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# print(
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# "".join(["1" if x else "0" for x in ordered_bytes[0:1]]),
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# "".join(["1" if x else "0" for x in ordered_bytes[1:1+self.exponent]]),
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# "".join(["1" if x else "0" for x in ordered_bytes[1+self.exponent:1+self.exponent+self.mantissa]])
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# )
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# sign =
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# return -val if sign else val
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print([1 if x else 0 for x in ordered_bytes[:-1]])
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if self.signed:
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return self.convert_pos_int(ordered_bytes[:-1]) * (1 if False else -1)
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else:
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return self.convert_pos_int(ordered_bytes)
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def convert_pos_int(self, val):
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total_val = 0
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digit_val = 1
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for i in val:
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total_val += digit_val if i else 0
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digit_val *= 2
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return total_val
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