casa6

        print("REMOVING EXISTING COPY")

        shutil.rmtree(outvis)

    elif os.path.exists(outvis) and not overwrite:

        print("File ", outvis, " already exists, set overwrite=True or change outvis name")

        return        

    # run the antab parsing and table filling

    shutil.copytree(vis, outvis)

    antab_interp(vis, outvis, antab, ant_names, n_band, spws,

                    gc_interval, gc_time, first_time, last_time,

​

​

​

#################################################################################################

# scanner regex from casavlbitools

def s_err(scanner, error):

    raise RuntimeError("line: %d" % scanner.line_no)

​

def s_keyword(scanner, token):

    if len(token) > 9 or '.' in token:

    data.y_typ.append(y_typ)

    data.nterm.append(len(poly))

    data.gain.append(poly)

    data.sens_1.append(dpfu['R'])

    data.sens_2.append(dpfu['L'])

    return

​

def antab_interp(vis, outvis, antab, ant_names, n_band, spws,

                    gc_interval, gc_time, first_time, last_time,

    pols = []

    data = TSysTable()

    data_gc = GainCurveTable()

    keys = StringIO()

    fp = open(antab, 'r')

​

    for line in fp:

        if line.startswith('!'):

            continue

        keys.write(line)

                pass

            elif tsys and tsys[0] and tsys[0][0][0] == 'GAIN':

                process_gc(fp, tsys, pols, data_gc, ant_names)

            keys = StringIO()

            continue

        continue

    # Create the subtable for syscal if selected in params

    if append_tsys: 

    if append_gc: 

​

    # If overwriting and subtable exists

    if overwrite and os.path.exists(f'{outvis}/GAIN_CURVE'):

        print("Overwriting existint GAIN_CURVE subtable")

        shutil.rmtree(f'{outvis}/GAIN_CURVE')

    if not os.path.exits(f'{outvis}/GAIN_CURVE'):

        # Create the subtable for gain curve

        tb.create(f'{outvis}/GAIN_CURVE', desc_gc, dminfo=dminfo_gc)

        tb.putkeyword('GAIN_CURVE', f'Table: {outvis}/GAIN_CURVE')

​

    # assemble columns

            tb.putcell('GAIN', i, [GAIN[i],GAIN[i]])

        else:

            tb.putcell('GAIN', i, GAIN[i])

    tb.putcol('SPECTRAL_WINDOW_ID', SPECTRAL_WINDOW_ID)

    tb.putcol('SENSITIVITY', SENSITIVITY)

    #tb.flush()

    tb.close()

​

​

    ### What to do if in append regime? ###

    # If not overwriting then check if sys cal exists

    # If overwriting then get rid of the existing subtable and create a new one

    # If appending get the new indexs of added rows and apply to them?

    # just use getcol, append to that, then putcol

    # If overwriting and subtable exists

    if overwrite and os.path.exists(f'{outvis}/SYSCAL'):

        print("Overwriting existint SYSCAL subtable")

        shutil.rmtree(f'{outvis}/SYSCAL')