def test_get_obj(self):
storage = JSONStore(self.storage_file)
key = 'foobar1'
value = {"does this work": "noway"}
storage.save(key, value)
return_value = storage.get(key)
assert return_value == value
def test_get_string(self):
storage = JSONStore(self.storage_file)
key = 'foobar1'
value = 'disco'
storage.save(key, value)
return_value = storage.get(key)
assert return_value == value
def test_save(self):
storage = JSONStore(self.storage_file)
storage.save('foobar', 'yep')
found_it = False
if 'foobar' in open(self.storage_file).read():
found_it = True
assert found_it
class __InternalConfig:
def __init__(self):
self._home = None
self.logging_level = logging.DEBUG
DatmoLogger.get_logger(__name__).info("initalizing")
self.data_cache = JSONStore(
os.path.join(os.path.expanduser("~"), ".datmo", "cache.json"))
@property
def home(self):
return self._home
@home.setter
def home(self, home_path):
self._home = home_path
def get_cache_item(self, key):
cache_expire_key = 'cache_key_expires.' + key
cache_key = 'cache_key.' + key
cache_expire_val = self.data_cache.get(cache_expire_key)
# no cache expire val, it's not stored
if cache_expire_val == None:
return None
# return value if item has not expired
elif int(cache_expire_val) > int(
datetime.datetime.now().strftime('%s')):
return self.data_cache.get(cache_key)
# expire item and return None
else:
self.data_cache.remove(cache_expire_key)
self.data_cache.remove(cache_key)
return None
def set_cache_item(self, key, value, duration=60):
cache_expire_key = 'cache_key_expires.' + key
cache_key = 'cache_key.' + key
expire_val = (duration * 60) + int(
datetime.datetime.now().strftime('%s'))
self.data_cache.save(cache_expire_key, expire_val)
self.data_cache.save(cache_key, value)
class BaseController(object):
"""BaseController is used to setup the repository. It serves as the basis for all other Controller objects
Parameters
----------
home : str
home path of the project
dal_driver : DALDriver
an instance of a DALDriver to use while accessing the DAL
Attributes
----------
home : str
Filepath for the location of the project
dal_driver : DALDriver object
This is an instance of a storage DAL driver
config : JSONStore
This is the set of configurations used to create a project
dal
model
current_session
code_driver
file_driver
environment_driver
is_initialized
Methods
-------
dal_instantiate()
Instantiate a version of the DAL
get_or_set_default(key, default_value)
Returns value adn sets to default if no value present
config_loader(key)
Return the config dictionary based on key
get_config_defaults()
Return the configuration defaults
"""
def __init__(self, home):
self.home = home
if not os.path.isdir(self.home):
raise InvalidProjectPathException(__("error",
"controller.base.__init__",
home))
self.config = JSONStore(os.path.join(self.home,
".datmo",
".config"))
# property caches and initial values
self._dal = None
self._model = None
self._current_session = None
self._code_driver = None
self._file_driver = None
self._environment_driver = None
self._is_initialized = False
@property
# Controller objects are only in sync if the data drivers are the same between objects
# Currently pass dal_driver down from controller to controller to ensure syncing dals
# TODO: To fix dal from different controllers so they sync within one session; they do NOT currently
def dal(self):
"""Property that is maintained in memory
Returns
-------
DAL
"""
if self._dal == None:
self._dal = self.dal_instantiate()
return self._dal
@property
def model(self):
"""Property that is maintained in memory
Returns
-------
Model
"""
if self._model == None:
models = self.dal.model.query({})
self._model = models[0] if models else None
return self._model
@property
def current_session(self):
"""Property that is maintained in memory
Returns
-------
Session
"""
if not self.model:
raise DatmoModelNotInitializedException(__("error",
"controller.base.current_session"))
if self._current_session == None:
sessions = self.dal.session.query({"current": True})
self._current_session = sessions[0] if sessions else None
return self._current_session
@property
def code_driver(self):
"""Property that is maintained in memory
Returns
-------
CodeDriver
"""
if self._code_driver == None:
module_details = self.config_loader("controller.code.driver")
self._code_driver = module_details["constructor"](**module_details["options"])
return self._code_driver
@property
def file_driver(self):
"""Property that is maintained in memory
Returns
-------
FileDriver
"""
if self._file_driver == None:
module_details = self.config_loader("controller.file.driver")
self._file_driver = module_details["constructor"](**module_details["options"])
return self._file_driver
@property
def environment_driver(self):
"""Property that is maintained in memory
Returns
-------
EnvironmentDriver
"""
if self._environment_driver == None:
module_details = self.config_loader("controller.environment.driver")
self._environment_driver = module_details["constructor"](**module_details["options"])
return self._environment_driver
@property
def is_initialized(self):
"""Property that is maintained in memory
Returns
-------
bool
True if the project is property initialized else False
"""
if not self._is_initialized:
if self.code_driver.is_initialized and \
self.environment_driver.is_initialized and \
self.file_driver.is_initialized:
if self.model:
self._is_initialized = True
return self._is_initialized
def dal_instantiate(self):
# first load driver, then create DAL using driver
dal_driver_dict = self.config_loader("storage.driver")
dal_driver = dal_driver_dict["constructor"](**dal_driver_dict["options"])
# Get DAL, set driver,
dal_dict = self.config_loader("storage.local")
dal_dict["options"]["driver"] = dal_driver
return dal_dict["constructor"](**dal_dict["options"])
def get_or_set_default(self, key, default_value):
value = self.config.get(key)
if value is None:
self.config.save(key, default_value)
value = default_value
return value
def config_loader(self, key):
defaults = self.get_config_defaults()
module_details = self.get_or_set_default(key, defaults[key])
module_details["constructor"] = get_class_contructor(module_details["class_constructor"])
return module_details
def get_config_defaults(self):
return {
"controller.code.driver": {
"class_constructor": "datmo.core.controller.code.driver.git.GitCodeDriver",
"options": {
"filepath": self.home,
"execpath": "git"
}
},
"controller.file.driver": {
"class_constructor": "datmo.core.controller.file.driver.local.LocalFileDriver",
"options": {
"filepath": self.home
}
},
"controller.environment.driver":{
"class_constructor": "datmo.core.controller.environment.driver.dockerenv.DockerEnvironmentDriver",
"options": {
"filepath": self.home,
"docker_execpath": "docker"
}
},
"storage.local": {
"class_constructor": "datmo.core.storage.local.dal.LocalDAL",
"options": {
"driver": "storage.driver"
}
},
"storage.driver": {
"class_constructor": "datmo.core.storage.driver.blitzdb_dal_driver.BlitzDBDALDriver",
"options": {
"driver_type": "file",
"connection_string": os.path.join(self.home, ".datmo/database")
}
},
}
class __InternalConfig:
def __init__(self):
self._home = None
self.datmo_directory_name = ".datmo"
self.logging_level = logging.DEBUG
DatmoLogger.get_logger(__name__).info("initializing")
self.data_cache = JSONStore(
os.path.join(os.path.expanduser("~"), ".datmo", "cache.json"))
self.docker_cli = '/usr/bin/docker'
@property
def home(self):
return self._home
@property
def remote_credentials(self):
"""
Returns credentials if present
Returns
-------
MASTER_SERVER_IP : str
return if present else None
DATMO_API_KEY : str
return if present else None
END_POINT : str
return if present else None
"""
# 1) Load from the environment if datmo config not already saved globally
MASTER_SERVER_IP = os.environ.get('MASTER_SERVER_IP', None)
DATMO_API_KEY = os.environ.get('DATMO_API_KEY', None)
# 2) loading the datmo config if present
datmo_config_filepath = os.path.join(os.path.expanduser("~"),
".datmo", "config")
if os.path.isfile(datmo_config_filepath):
datmo_config = JSONStore(datmo_config_filepath)
config_dict = datmo_config.to_dict()
if MASTER_SERVER_IP is None:
MASTER_SERVER_IP = config_dict.get('MASTER_SERVER_IP',
None)
if DATMO_API_KEY is None:
DATMO_API_KEY = config_dict.get('DATMO_API_KEY', None)
if MASTER_SERVER_IP:
END_POINT = 'http://' + MASTER_SERVER_IP + ':2083/api/v1'
else:
END_POINT = None
return MASTER_SERVER_IP, DATMO_API_KEY, END_POINT
def set_home(self, home_path):
self._home = home_path
def get_cache_item(self, key):
cache_expire_key = 'cache_key_expires.' + key
cache_key = 'cache_key.' + key
cache_expire_val = self.data_cache.get(cache_expire_key)
# no cache expire val, it's not stored
if cache_expire_val == None:
return None
# return value if item has not expired
elif int(cache_expire_val) > int(
datetime.datetime.now().strftime('%s')):
return self.data_cache.get(cache_key)
# expire item and return None
else:
self.data_cache.remove(cache_expire_key)
self.data_cache.remove(cache_key)
return None
def set_cache_item(self, key, value, duration=60):
cache_expire_key = 'cache_key_expires.' + key
cache_key = 'cache_key.' + key
expire_val = (duration * 60) + int(
datetime.datetime.now().strftime('%s'))
self.data_cache.save(cache_expire_key, expire_val)
self.data_cache.save(cache_key, value)
