85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
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# Copyright 2022 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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from hashlib import blake2b
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import synapse
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from synapse.synapse_rust import get_rust_file_digest
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def check_rust_lib_up_to_date() -> None:
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"""For editable installs check if the rust library is outdated and needs to
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be rebuilt.
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"""
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if not _dist_is_editable():
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return
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synapse_dir = os.path.dirname(synapse.__file__)
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synapse_root = os.path.abspath(os.path.join(synapse_dir, ".."))
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# Double check we've not gone into site-packages...
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if os.path.basename(synapse_root) == "site-packages":
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return
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# ... and it looks like the root of a python project.
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if not os.path.exists("pyproject.toml"):
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return
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# Get the hash of all Rust source files
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hash = _hash_rust_files_in_directory(os.path.join(synapse_root, "rust", "src"))
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if hash != get_rust_file_digest():
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raise Exception("Rust module outdated. Please rebuild using `poetry install`")
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def _hash_rust_files_in_directory(directory: str) -> str:
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"""Get the hash of all files in a directory (recursively)"""
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directory = os.path.abspath(directory)
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paths = []
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dirs = [directory]
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while dirs:
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dir = dirs.pop()
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with os.scandir(dir) as d:
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for entry in d:
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if entry.is_dir():
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dirs.append(entry.path)
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else:
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paths.append(entry.path)
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# We sort to make sure that we get a consistent and well-defined ordering.
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paths.sort()
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hasher = blake2b()
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for path in paths:
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with open(os.path.join(directory, path), "rb") as f:
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hasher.update(f.read())
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return hasher.hexdigest()
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def _dist_is_editable() -> bool:
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"""Is distribution an editable install?"""
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for path_item in sys.path:
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egg_link = os.path.join(path_item, "matrix-synapse.egg-link")
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if os.path.isfile(egg_link):
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return True
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return False
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