Viewing file:  __init__.py (2.04 KB) -rw-r--r--
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import platform
import os
from ...backend import KeyringBackend
from ...errors import PasswordSetError
from ...errors import PasswordDeleteError
from ...errors import KeyringLocked
from ...errors import KeyringError
from ...util import properties
try:
from . import api
except Exception:
pass
class Keyring(KeyringBackend):
"""macOS Keychain"""
keychain = os.environ.get('KEYCHAIN_PATH')
"Path to keychain file, overriding default"
@properties.ClassProperty
@classmethod
def priority(cls):
"""
Preferred for all macOS environments.
"""
if platform.system() != 'Darwin':
raise RuntimeError("macOS required")
if 'api' not in globals():
raise RuntimeError("Security API unavailable")
return 5
def set_password(self, service, username, password):
if username is None:
username = ''
try:
api.set_generic_password(self.keychain, service, username, password)
except api.KeychainDenied as e:
raise KeyringLocked("Can't store password on keychain: " "{}".format(e))
except api.Error as e:
raise PasswordSetError("Can't store password on keychain: " "{}".format(e))
def get_password(self, service, username):
if username is None:
username = ''
try:
return api.find_generic_password(self.keychain, service, username)
except api.NotFound:
pass
except api.KeychainDenied as e:
raise KeyringLocked("Can't get password from keychain: " "{}".format(e))
except api.Error as e:
raise KeyringError("Can't get password from keychain: " "{}".format(e))
def delete_password(self, service, username):
if username is None:
username = ''
try:
return api.delete_generic_password(self.keychain, service, username)
except api.Error as e:
raise PasswordDeleteError(
"Can't delete password in keychain: " "{}".format(e)
)
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