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Fix side effect of record modified affecting the next in line handler. #12

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Fix side effect of record modified affecting the next in line handler. #12

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5 changes: 5 additions & 0 deletions hoover/handlers.py
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@@ -1,6 +1,9 @@
'''A couple of logging handlers which should play nicely with the Python
logging library.'''
import sys, logging, socket

import copy

try:
from simplejson import dumps
except ImportError:
Expand Down Expand Up @@ -37,6 +40,8 @@ def __init__(self, session=None, token='', inputname='', input=None,

def emit(self, record):
if isinstance(record.msg, (list, dict)):
# prevent sideffect for other handlers processing the same record.
record = copy.copy(record)
record.msg = dumps(record.msg, cls=self.json_class, default=str)
msg = self.format(record)
async_post_to_endpoint(self.endpoint, msg)
Expand Down