Craig Tiller | de5d090 | 2016-01-21 14:16:19 -0800 | [diff] [blame] | 1 | # Copyright 2015-2016, Google Inc. |
Craig Tiller | c2c7921 | 2015-02-16 12:00:01 -0800 | [diff] [blame] | 2 | # All rights reserved. |
| 3 | # |
| 4 | # Redistribution and use in source and binary forms, with or without |
| 5 | # modification, are permitted provided that the following conditions are |
| 6 | # met: |
| 7 | # |
| 8 | # * Redistributions of source code must retain the above copyright |
| 9 | # notice, this list of conditions and the following disclaimer. |
| 10 | # * Redistributions in binary form must reproduce the above |
| 11 | # copyright notice, this list of conditions and the following disclaimer |
| 12 | # in the documentation and/or other materials provided with the |
| 13 | # distribution. |
| 14 | # * Neither the name of Google Inc. nor the names of its |
| 15 | # contributors may be used to endorse or promote products derived from |
| 16 | # this software without specific prior written permission. |
| 17 | # |
| 18 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 19 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 20 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 21 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 22 | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 23 | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | |
Nicolas Noble | ddef246 | 2015-01-06 18:08:25 -0800 | [diff] [blame] | 30 | """Allows dot-accessible dictionaries.""" |
| 31 | |
| 32 | |
| 33 | class Bunch(dict): |
| 34 | |
| 35 | def __init__(self, d): |
| 36 | dict.__init__(self, d) |
| 37 | self.__dict__.update(d) |
| 38 | |
| 39 | |
| 40 | # Converts any kind of variable to a Bunch |
| 41 | def to_bunch(var): |
| 42 | if isinstance(var, list): |
| 43 | return [to_bunch(i) for i in var] |
| 44 | if isinstance(var, dict): |
| 45 | ret = {} |
| 46 | for k, v in var.items(): |
| 47 | if isinstance(v, (list, dict)): |
| 48 | v = to_bunch(v) |
| 49 | ret[k] = v |
| 50 | return Bunch(ret) |
| 51 | else: |
| 52 | return var |
| 53 | |
| 54 | |
| 55 | # Merges JSON 'add' into JSON 'dst' |
| 56 | def merge_json(dst, add): |
| 57 | if isinstance(dst, dict) and isinstance(add, dict): |
| 58 | for k, v in add.items(): |
| 59 | if k in dst: |
Craig Tiller | ba3c3cd | 2015-05-26 06:28:10 -0700 | [diff] [blame] | 60 | if k == '#': continue |
Nicolas Noble | ddef246 | 2015-01-06 18:08:25 -0800 | [diff] [blame] | 61 | merge_json(dst[k], v) |
| 62 | else: |
| 63 | dst[k] = v |
| 64 | elif isinstance(dst, list) and isinstance(add, list): |
| 65 | dst.extend(add) |
| 66 | else: |
Craig Tiller | 3dca23a | 2016-01-21 11:44:55 -0800 | [diff] [blame] | 67 | raise Exception('Tried to merge incompatible objects %s %s\n\n%r\n\n%r' % (type(dst).__name__, type(add).__name__, dst, add)) |
| 68 | |