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jvansan/decode-encode_mzxml.py

Created February 5, 2019 00:01
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Convert to-from M/Z Peaks:Intensity for mzXML peak list
Raw
decode-encode_mzxml.py
import numpy as np
import base64, zlib
arrStr = """
203.0530 8901
365.1051 24050
366.1083 2312
"""
dt = np.dtype('>f8')
# For encoding
arr = np.array(arrStr.split())
dim = int(arr.shape[0]/2)
arr = arr.astype(dt).reshape(dim, 2)
content = base64.b64encode(zlib.compress(arr))
# For decoding
arr_decode = np.frombuffer(zlib.decompress(base64.b64decode(content)), dtype=dt)
dim_decode = int(arr_decode.shape[0]/2)
arr_decode = arr_decode.reshape(dim_decode, 2)
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