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from __future__ import print_function
import sys
class Difference(object):
def __init__(self):
self.added = []
self.removed = []
self.modified = dict()
def remove_item_from_comparison(self, item):
if item in self.added:
self.added.remove(item)
if item in self.removed:
self.removed.remove(item)
if item in self.modified:
self.modified.pop(item)
@property
def empty(self):
return not (self.added or self.removed or self.modified)
def describe_changeset(intro, changeset):
if not changeset:
return ""
msg = intro
for item in changeset:
msg += " - {item}\n".format(item=item)
return msg
def report_comparison(name, result, message_generator):
if not result.empty:
msg = message_generator(result, name)
print(msg, file=sys.stderr)
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