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Make registry optional for MultiProcessCollector #249

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Make registry optional for MultiProcessCollector #249

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4 changes: 2 additions & 2 deletions prometheus_client/multiprocess.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,13 +11,13 @@

class MultiProcessCollector(object):
"""Collector for files for multi-process mode."""
def __init__(self, registry, path=None):
def __init__(self, registry=None, path=None):
if path is None:
path = os.environ.get('prometheus_multiproc_dir')
if not path or not os.path.isdir(path):
raise ValueError('env prometheus_multiproc_dir is not set or not a directory')
self._path = path
if registry:
if registry is not None:
registry.register(self)

def collect(self):
Expand Down