# Path: keyring/backend.py
# class KeyringBackend(metaclass=KeyringBackendMeta):
#     """The abstract base class of the keyring, every backend must implement
#     this interface.
#     """
# 
#     def __init__(self):
#         self.set_properties_from_env()
# 
#     # @abc.abstractproperty
#     def priority(cls):
#         """
#         Each backend class must supply a priority, a number (float or integer)
#         indicating the priority of the backend relative to all other backends.
#         The priority need not be static -- it may (and should) vary based
#         attributes of the environment in which is runs (platform, available
#         packages, etc.).
# 
#         A higher number indicates a higher priority. The priority should raise
#         a RuntimeError with a message indicating the underlying cause if the
#         backend is not suitable for the current environment.
# 
#         As a rule of thumb, a priority between zero but less than one is
#         suitable, but a priority of one or greater is recommended.
#         """
# 
#     @properties.ClassProperty
#     @classmethod
#     def viable(cls):
#         with errors.ExceptionRaisedContext() as exc:
#             cls.priority
#         return not exc
# 
#     @classmethod
#     def get_viable_backends(cls):
#         """
#         Return all subclasses deemed viable.
#         """
#         return filter(operator.attrgetter('viable'), cls._classes)
# 
#     @properties.ClassProperty
#     @classmethod
#     def name(cls):
#         """
#         The keyring name, suitable for display.
# 
#         The name is derived from module and class name.
#         """
#         parent, sep, mod_name = cls.__module__.rpartition('.')
#         mod_name = mod_name.replace('_', ' ')
#         return ' '.join([mod_name, cls.__name__])
# 
#     def __str__(self):
#         keyring_class = type(self)
#         return "{}.{} (priority: {:g})".format(
#             keyring_class.__module__, keyring_class.__name__, keyring_class.priority
#         )
# 
#     @abc.abstractmethod
#     def get_password(self, service: str, username: str) -> Optional[str]:
#         """Get password of the username for the service"""
#         return None
# 
#     @abc.abstractmethod
#     def set_password(self, service: str, username: str, password: str) -> None:
#         """Set password for the username of the service.
# 
#         If the backend cannot store passwords, raise
#         PasswordSetError.
#         """
#         raise errors.PasswordSetError("reason")
# 
#     # for backward-compatibility, don't require a backend to implement
#     #  delete_password
#     # @abc.abstractmethod
#     def delete_password(self, service: str, username: str) -> None:
#         """Delete the password for the username of the service.
# 
#         If the backend cannot delete passwords, raise
#         PasswordDeleteError.
#         """
#         raise errors.PasswordDeleteError("reason")
# 
#     # for backward-compatibility, don't require a backend to implement
#     #  get_credential
#     # @abc.abstractmethod
#     def get_credential(
#         self,
#         service: str,
#         username: Optional[str],
#     ) -> Optional[credentials.Credential]:
#         """Gets the username and password for the service.
#         Returns a Credential instance.
# 
#         The *username* argument is optional and may be omitted by
#         the caller or ignored by the backend. Callers must use the
#         returned username.
#         """
#         # The default implementation requires a username here.
#         if username is not None:
#             password = self.get_password(service, username)
#             if password is not None:
#                 return credentials.SimpleCredential(username, password)
#         return None
# 
#     def set_properties_from_env(self):
#         """For all KEYRING_PROPERTY_* env var, set that property."""
# 
#         def parse(item):
#             key, value = item
#             pre, sep, name = key.partition('KEYRING_PROPERTY_')
#             return sep and (name.lower(), value)
# 
#         props = filter(None, map(parse, os.environ.items()))
#         for name, value in props:
#             setattr(self, name, value)
# 
# Path: keyring/credentials.py
# class SimpleCredential(Credential):
#     """Simple credentials implementation"""
# 
#     def __init__(self, username, password):
#         self._username = username
#         self._password = password
# 
#     @property
#     def username(self):
#         return self._username
# 
#     @property
#     def password(self):
#         return self._password
# 
# Path: keyring/errors.py
# class PasswordDeleteError(KeyringError):
#     """Raised when the password can't be deleted."""
# 
# Path: keyring/errors.py
# class PasswordSetError(KeyringError):
#     """Raised when the password can't be set."""
# 
# class InitError(KeyringError):
#     """Raised when the keyring could not be initialised"""
# 
# class KeyringLocked(KeyringError):
#     """Raised when the keyring failed unlocking"""
# 
# Path: keyring/util/properties.py
# class ClassProperty(property):
# class NonDataProperty:
#     def __get__(self, cls, owner):
#     def __init__(self, fget):
#     def __get__(self, obj, objtype=None):


import sys
import os
import contextlib
    import dbus
from ..backend import KeyringBackend
from ..credentials import SimpleCredential
from ..errors import PasswordDeleteError
from ..errors import PasswordSetError, InitError, KeyringLocked
from ..util import properties
    from dbus.mainloop.glib import DBusGMainLoop


try:
except ImportError:
    pass
except AttributeError:
    # See https://github.com/jaraco/keyring/issues/296
    pass


def _id_from_argv():
    """
    Safely infer an app id from sys.argv.
    """
    allowed = AttributeError, IndexError, TypeError
    with contextlib.suppress(allowed):
        return sys.argv[0]



# Path: keyring/backend.py
# class KeyringBackend(metaclass=KeyringBackendMeta):
#     """The abstract base class of the keyring, every backend must implement
#     this interface.
#     """
# 
#     def __init__(self):
#         self.set_properties_from_env()
# 
#     # @abc.abstractproperty
#     def priority(cls):
#         """
#         Each backend class must supply a priority, a number (float or integer)
#         indicating the priority of the backend relative to all other backends.
#         The priority need not be static -- it may (and should) vary based
#         attributes of the environment in which is runs (platform, available
#         packages, etc.).
# 
#         A higher number indicates a higher priority. The priority should raise
#         a RuntimeError with a message indicating the underlying cause if the
#         backend is not suitable for the current environment.
# 
#         As a rule of thumb, a priority between zero but less than one is
#         suitable, but a priority of one or greater is recommended.
#         """
# 
#     @properties.ClassProperty
#     @classmethod
#     def viable(cls):
#         with errors.ExceptionRaisedContext() as exc:
#             cls.priority
#         return not exc
# 
#     @classmethod
#     def get_viable_backends(cls):
#         """
#         Return all subclasses deemed viable.
#         """
#         return filter(operator.attrgetter('viable'), cls._classes)
# 
#     @properties.ClassProperty
#     @classmethod
#     def name(cls):
#         """
#         The keyring name, suitable for display.
# 
#         The name is derived from module and class name.
#         """
#         parent, sep, mod_name = cls.__module__.rpartition('.')
#         mod_name = mod_name.replace('_', ' ')
#         return ' '.join([mod_name, cls.__name__])
# 
#     def __str__(self):
#         keyring_class = type(self)
#         return "{}.{} (priority: {:g})".format(
#             keyring_class.__module__, keyring_class.__name__, keyring_class.priority
#         )
# 
#     @abc.abstractmethod
#     def get_password(self, service: str, username: str) -> Optional[str]:
#         """Get password of the username for the service"""
#         return None
# 
#     @abc.abstractmethod
#     def set_password(self, service: str, username: str, password: str) -> None:
#         """Set password for the username of the service.
# 
#         If the backend cannot store passwords, raise
#         PasswordSetError.
#         """
#         raise errors.PasswordSetError("reason")
# 
#     # for backward-compatibility, don't require a backend to implement
#     #  delete_password
#     # @abc.abstractmethod
#     def delete_password(self, service: str, username: str) -> None:
#         """Delete the password for the username of the service.
# 
#         If the backend cannot delete passwords, raise
#         PasswordDeleteError.
#         """
#         raise errors.PasswordDeleteError("reason")
# 
#     # for backward-compatibility, don't require a backend to implement
#     #  get_credential
#     # @abc.abstractmethod
#     def get_credential(
#         self,
#         service: str,
#         username: Optional[str],
#     ) -> Optional[credentials.Credential]:
#         """Gets the username and password for the service.
#         Returns a Credential instance.
# 
#         The *username* argument is optional and may be omitted by
#         the caller or ignored by the backend. Callers must use the
#         returned username.
#         """
#         # The default implementation requires a username here.
#         if username is not None:
#             password = self.get_password(service, username)
#             if password is not None:
#                 return credentials.SimpleCredential(username, password)
#         return None
# 
#     def set_properties_from_env(self):
#         """For all KEYRING_PROPERTY_* env var, set that property."""
# 
#         def parse(item):
#             key, value = item
#             pre, sep, name = key.partition('KEYRING_PROPERTY_')
#             return sep and (name.lower(), value)
# 
#         props = filter(None, map(parse, os.environ.items()))
#         for name, value in props:
#             setattr(self, name, value)
# 
# Path: keyring/credentials.py
# class SimpleCredential(Credential):
#     """Simple credentials implementation"""
# 
#     def __init__(self, username, password):
#         self._username = username
#         self._password = password
# 
#     @property
#     def username(self):
#         return self._username
# 
#     @property
#     def password(self):
#         return self._password
# 
# Path: keyring/errors.py
# class PasswordDeleteError(KeyringError):
#     """Raised when the password can't be deleted."""
# 
# Path: keyring/errors.py
# class PasswordSetError(KeyringError):
#     """Raised when the password can't be set."""
# 
# class InitError(KeyringError):
#     """Raised when the keyring could not be initialised"""
# 
# class KeyringLocked(KeyringError):
#     """Raised when the keyring failed unlocking"""
# 
# Path: keyring/util/properties.py
# class ClassProperty(property):
# class NonDataProperty:
#     def __get__(self, cls, owner):
#     def __init__(self, fget):
#     def __get__(self, obj, objtype=None):


# Path: keyring/backends/kwallet.py
import sys
import os
import contextlib
    import dbus
from ..backend import KeyringBackend
from ..credentials import SimpleCredential
from ..errors import PasswordDeleteError
from ..errors import PasswordSetError, InitError, KeyringLocked
from ..util import properties
    from dbus.mainloop.glib import DBusGMainLoop



try:
except ImportError:
    pass
except AttributeError:
    # See https://github.com/jaraco/keyring/issues/296
    pass


def _id_from_argv():
    """
    Safely infer an app id from sys.argv.
    """
    allowed = AttributeError, IndexError, TypeError
    with contextlib.suppress(allowed):
        return sys.argv[0]



class DBusKeyring(KeyringBackend):