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import logging
import keyring
SERVICE_NAME = 'Orange3 - {}'
log = logging.getLogger(__name__)
class CredentialManager:
"""
Class for storage of passwords in the system keyring service.
All attributes of this class are safely stored.
Args:
service_name (str): service name used for storing in keyring.
Examples:
>>> cm = CredentialManager('Widget Name')
>>> cm.some_secret = 'api-key-1234'
>>> cm.some_secret
'api-key-1234'
>>> del cm.some_secret
>>> cm.some_secret
"""
def __init__(self, service_name):
self.__dict__['__service_name'] = SERVICE_NAME.format(service_name)
@property
def service_name(self):
return self.__dict__['__service_name']
def __setattr__(self, key, value):
try:
keyring.set_password(self.service_name, key, value)
except Exception:
log.exception("Failed to set secret '%s' of '%r'.",
key, self.service_name)
def __getattr__(self, item):
try:
return keyring.get_password(self.service_name, item)
except Exception:
log.exception("Failed to get secret '%s' of '%r'.",
item, self.service_name)
def __delattr__(self, item):
try:
keyring.delete_password(self.service_name, item)
except Exception:
log.exception("Failed to delete secret '%s' of '%r'.",
item, self.service_name)
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