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Use set for efficient retry status code filtering #266

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Use set for efficient retry status code filtering #266

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3 changes: 2 additions & 1 deletion msrest/universal_http/requests.py
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Original file line number Diff line number Diff line change
Expand Up @@ -339,6 +339,7 @@ class ClientRetryPolicy(object):
"""

safe_codes = [i for i in range(500) if i != 408] + [501, 505]
_safe_codes_set = set(safe_codes)

def __init__(self):
self.policy = Retry()
Expand All @@ -348,7 +349,7 @@ def __init__(self):
self.policy.backoff_factor = 0.8
self.policy.BACKOFF_MAX = 90

retry_codes = [i for i in range(999) if i not in self.safe_codes]
retry_codes = [i for i in range(999) if i not in self._safe_codes_set]
self.policy.status_forcelist = retry_codes
self.policy.method_whitelist = ['HEAD', 'TRACE', 'GET', 'PUT',
'OPTIONS', 'DELETE', 'POST', 'PATCH']
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