| # Copyright 2014 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Defines tools for printing and formatting EDID information.""" |
| |
| |
| import collections |
| |
| |
| def DictFilter(alist, bits): |
| """Translates bits from EDID into a list of strings. |
| |
| Args: |
| alist: A list of tuples, with the first being a number and second a string. |
| bits: The bits from EDID that indicate whether each string is supported by |
| this EDID or not. |
| |
| Returns: |
| A dict of strings and bools. |
| """ |
| d = collections.OrderedDict() |
| for x, s in alist: |
| d[s] = bool(bits & x) |
| return d |
| |
| |
| def ListTrueOnly(adict): |
| """Returns a list of strings for which their values were True in the dict. |
| |
| Args: |
| adict: The original dictionary, with string keys and boolean values. |
| |
| Returns: |
| A list of strings for which the boolean values were True in the dictionary. |
| """ |
| return [x for x in adict if adict[x]] |
