def printpoint(b):
    print(b)
    obj = dict(zip(b[::2], b[1::2]))
    if obj['100'] == 'AcDbMText':
        print('{}'.format(obj['0']))

buffer = ['0', 'fake']
filepath = 'GV_12.DXF'
with open(filepath,'r', errors="replace") as fp:
    line = fp.readline()
    cnt = 1
    while line:
        line = fp.readline()
        line = line.rstrip()
        if line == '0':  # we've started a new section, so
            print("Line {}: {}".format(cnt, line.strip()))
            printpoint(buffer)  # handle the captured section

        buffer = []  # and start a new one
        buffer.append(line)
        cnt += 1


printpoint(buffer)        # buffer left over from last pass through loop

#https://leancrew.com/all-this/2016/12/dxf-data-extraction/