superset public_interfaces 源码
superset public_interfaces 代码
文件路径：/superset/utils/public_interfaces.py
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
from base64 import b85encode
from hashlib import md5
from inspect import (
getmembers,
getsourcefile,
getsourcelines,
isclass,
isfunction,
isroutine,
signature,
)
from textwrap import indent
from typing import Any, Callable
def compute_hash(obj: Callable[..., Any]) -> str:
if isfunction(obj):
return compute_func_hash(obj)
if isclass(obj):
return compute_class_hash(obj)
raise Exception(f"Invalid object: {obj}")
def compute_func_hash(function: Callable[..., Any]) -> str:
hashed = md5()
hashed.update(str(signature(function)).encode())
return b85encode(hashed.digest()).decode("utf-8")
def compute_class_hash(class_: Callable[..., Any]) -> str:
hashed = md5()
public_methods = sorted(
[
(name, method)
for name, method in getmembers(class_, predicate=isroutine)
if not name.startswith("_") or name == "__init__"
]
)
for name, method in public_methods:
hashed.update(name.encode())
hashed.update(str(signature(method)).encode())
return b85encode(hashed.digest()).decode("utf-8")
def get_warning_message(obj: Callable[..., Any], expected_hash: str) -> str:
sourcefile = getsourcefile(obj)
sourcelines = getsourcelines(obj)
code = indent("".join(sourcelines[0]), " ")
lineno = sourcelines[1]
return (
f"The object `{obj.__name__}` (in {sourcefile} "
f"line {lineno}) has a public interface which has currently been "
"modified. This MUST only be released in a new major version of "
"Superset according to SIP-57. To remove this warning message "
f"update the associated hash to '{expected_hash}'.\n\n{code}"
)
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