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http.py
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http.py
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#
# Copyright (c) 2019, Neptune Labs Sp. z o.o.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import logging
from functools import wraps
from http.client import ( # pylint:disable=no-name-in-module
NOT_FOUND,
UNPROCESSABLE_ENTITY,
)
from requests.exceptions import HTTPError
from neptune.api_exceptions import ExperimentNotFound, StorageLimitReached
from neptune.exceptions import NeptuneException
_logger = logging.getLogger(__name__)
def extract_response_field(response, field_name):
if response is None:
return None
try:
response_json = response.json()
if isinstance(response_json, dict):
return response_json.get(field_name)
else:
_logger.debug("HTTP response is not a dict: %s", str(response_json))
return None
except ValueError as e:
_logger.debug("Failed to parse HTTP response: %s", e)
return None
def handle_quota_limits(f):
"""Wrapper for functions which may request for non existing experiment or cause quota limit breach
Limitations:
Decorated function must be called with experiment argument like this fun(..., experiment=<experiment>, ...)"""
@wraps(f)
def handler(*args, **kwargs):
experiment = kwargs.get("experiment")
if experiment is None:
raise NeptuneException(
"This function must be called with experiment passed by name,"
" like this fun(..., experiment=<experiment>, ...)"
)
try:
return f(*args, **kwargs)
except HTTPError as e:
if e.response.status_code == NOT_FOUND:
# pylint: disable=protected-access
raise ExperimentNotFound(
experiment_short_id=experiment.id,
project_qualified_name=experiment._project.full_id,
)
if e.response.status_code == UNPROCESSABLE_ENTITY and extract_response_field(
e.response, "title"
).startswith("Storage limit reached in organization: "):
raise StorageLimitReached()
raise
return handler