INNER CODE UNIT · Python

sniff_whitelist

timoast/sinto · sinto/addbarcodes.py:58

def sniff_whitelist(filename, nr=100):
    # possibly the dumbest function ever written
    nl = 0 # number of lines sniffed
    nc = 0 # max number of corrected bc found
    nf = 0 # max number of fields
    with open(filename) as fh:
        while nl < nr:
            line = fh.readline()
            nl += 1
            l = len(line.split())
            if l > nf:
                nf = l
            if l > 1:
                l = len(line.split()[1].split(','))
                if l > nc:
                    nc = l
    if nf > 2 and nc > 1:
        # assuming a UMI-tools whitelist contains at least

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