mirror of
https://github.com/facebook/sapling.git
synced 2024-10-08 15:57:43 +03:00
36 lines
855 B
Python
36 lines
855 B
Python
|
# dicthelpers.py - helper routines for Python dicts
|
||
|
|
#
|
||
|
|
# Copyright 2013 Facebook
|
||
|
|
#
|
||
|
|
# This software may be used and distributed according to the terms of the
|
||
|
|
# GNU General Public License version 2 or any later version.
|
||
|
|
|
||
|
|
def _diffjoin(d1, d2, default, compare):
|
||
|
|
res = {}
|
||
|
|
if d1 is d2 and compare:
|
||
|
|
# same dict, so diff is empty
|
||
|
|
return res
|
||
|
|
|
||
|
|
for k1, v1 in d1.iteritems():
|
||
|
|
if k1 in d2:
|
||
|
|
v2 = d2[k1]
|
||
|
|
if not compare or v1 != v2:
|
||
|
|
res[k1] = (v1, v2)
|
||
|
|
else:
|
||
|
|
res[k1] = (v1, default)
|
||
|
|
|
||
|
|
if d1 is d2:
|
||
|
|
return res
|
||
|
|
|
||
|
|
for k2 in d2:
|
||
|
|
if k2 not in d1:
|
||
|
|
res[k2] = (default, d2[k2])
|
||
|
|
|
||
|
|
return res
|
||
|
|
|
||
|
|
def diff(d1, d2, default=None):
|
||
|
|
return _diffjoin(d1, d2, default, True)
|
||
|
|
|
||
|
|
def join(d1, d2, default=None):
|
||
|
|
return _diffjoin(d1, d2, default, False)
|