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# Copyright 2023 The HuggingFace Team. All rights reserved.
#
# 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.
"""
Doc utilities: Utilities related to documentation
"""
import re
def replace_example_docstring(example_docstring):
def docstring_decorator(fn):
func_doc = fn.__doc__
lines = func_doc.split("\n")
i = 0
while i < len(lines) and re.search(r"^\s*Examples?:\s*$", lines[i]) is None:
i += 1
if i < len(lines):
lines[i] = example_docstring
func_doc = "\n".join(lines)
else:
raise ValueError(
f"The function {fn} should have an empty 'Examples:' in its docstring as placeholder, "
f"current docstring is:\n{func_doc}"
)
fn.__doc__ = func_doc
return fn
return docstring_decorator
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