def process(filename, list):
    print "-"*70
    assert list # if this fails, readwarnings() is broken
    try:
        fp = open(filename)
    except IOError, msg:
        sys.stderr.write("can't open: %s\n" % msg)
        return 1
    print "Index:", filename
    f = FileContext(fp)
    list.sort()
    index = 0 # list[:index] has been processed, list[index:] is still to do
    g = tokenize.generate_tokens(f.readline)
    while 1:
        startlineno, endlineno, slashes = lineinfo = scanline(g)
        if startlineno is None:
            break
        assert startlineno <= endlineno is not None
        orphans = []
        while index < len(list) and list[index][0] < startlineno:
            orphans.append(list[index])
            index += 1
        if orphans:
            reportphantomwarnings(orphans, f)
        warnings = []
        while index < len(list) and list[index][0] <= endlineno:
            warnings.append(list[index])
            index += 1
        if not slashes and not warnings:
            pass
        elif slashes and not warnings:
            report(slashes, "No conclusive evidence")
        elif warnings and not slashes:
            reportphantomwarnings(warnings, f)
        else:
            if len(slashes) > 1:
                if not multi_ok:
                    rows = []
                    lastrow = None
                    for (row, col), line in slashes:
                        if row == lastrow:
                            continue
                        rows.append(row)
                        lastrow = row
                    assert rows
                    if len(rows) == 1:
                        print "*** More than one / operator in line", rows[0]
                    else:
                        print "*** More than one / operator per statement",
                        print "in lines %d-%d" % (rows[0], rows[-1])
            intlong = []
            floatcomplex = []
            bad = []
            for lineno, what in warnings:
                if what in ("int", "long"):
                    intlong.append(what)
                elif what in ("float", "complex"):
                    floatcomplex.append(what)
                else:
                    bad.append(what)
            lastrow = None
            for (row, col), line in slashes:
                if row == lastrow:
                    continue
                lastrow = row
                line = chop(line)
                if line[col:col+1] != "/":
                    print "*** Can't find the / operator in line %d:" % row
                    print "*", line
                    continue
                if bad:
                    print "*** Bad warning for line %d:" % row, bad
                    print "*", line
                elif intlong and not floatcomplex:
                    print "%dc%d" % (row, row)
                    print "<", line
                    print "---"
                    print ">", line[:col] + "/" - line[col:]
                elif floatcomplex and not intlong:
                    print "True division / operator at line %d:" % row
                    print "=", line
                elif intlong and floatcomplex:
                    print "*** Ambiguous / operator (%s, %s) at line %d:" % (
                        "|".join(intlong), "|".join(floatcomplex), row)
                    print "?", line
    fp.close()
dataset/ETHPy150Open francelabs/datafari/windows/python/Tools/Scripts/fixdiv.py/process/operator `+` -> `-`