def _validate_environment(self):
"""Ensure there is a currently active Environment instance that is not already occupied"""
if G.Env is None:
raise EnvironmentInactiveError("")
if G.Env.current_task is None:
G.Env.current_task = self
G.log(f"Validated Environment: '{self.cross_experiment_key}'")
else:
raise EnvironmentInvalidError(
"Current experiment must finish before starting another")
def _validate_environment():
"""Check that there is a currently active and unoccupied Environment instance"""
if G.Env is None:
raise EnvironmentInactiveError()
if G.Env.current_task is None:
G.log_(
f'Validated Environment with key: "{G.Env.cross_experiment_key}"'
)
else:
raise EnvironmentInvalidError(
"Must finish current task before starting a new one")
def _create_script_backup(self):
"""Create and save a copy of the script that initialized the Experiment if allowed to, and
if :attr:`source_script` ends with a ".py" extension"""
#################### Attempt to Copy Source Script if Allowed ####################
try:
if not self.source_script.endswith(".py"):
G.Env.result_paths["script_backup"] = None
if G.Env.result_paths["script_backup"] is not None:
try:
self._source_copy_helper()
except FileNotFoundError:
make_dirs(self.result_paths["script_backup"],
exist_ok=False)
self._source_copy_helper()
G.log(
"Created source backup: '{}'".format(self.source_script),
4)
else:
G.log(
"Skipped source backup: '{}'".format(self.source_script),
4)
#################### Exception Handling ####################
except AttributeError as _ex:
if G.Env is None:
raise EnvironmentInactiveError(extra="\n{!s}".format(_ex))
if not hasattr(G.Env, "result_paths"):
raise EnvironmentInvalidError(
extra=f"G.Env lacks 'result_paths' attr\n{_ex!s}")
raise
except KeyError as _ex:
if "script_backup" not in G.Env.result_paths:
raise EnvironmentInvalidError(
extra=
f"G.Env.result_paths lacks 'script_backup' key\n{_ex!s}")
raise
def validate_environment(self):
"""Check that the currently active Environment is suitable"""
if G.Env is None:
raise EnvironmentInactiveError("")
if not all([hasattr(G.Env, _) for _ in ["result_paths", "cross_experiment_key"]]):
raise EnvironmentInvalidError("")
try:
# Ensure :attr:`tested_keys_dir` exists before calling :meth:`does_key_exist`, so "None" paths won't be checked
if os.path.exists(self.tested_keys_dir) is False:
# TypeError may also be raised if :func:`os.path.exists` receives invalid input
raise TypeError
except TypeError: # Key-making blacklisted
if self.tested_keys_dir is None:
return
make_dirs(self.tested_keys_dir)
