mirror of
https://github.com/osm-search/Nominatim.git
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57 lines
2.1 KiB
Python
57 lines
2.1 KiB
Python
# SPDX-License-Identifier: GPL-2.0-only
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2022 by the Nominatim developer community.
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# For a full list of authors see the git log.
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"""
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Version information for Nominatim.
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"""
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from typing import Optional, NamedTuple
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class NominatimVersion(NamedTuple):
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""" Version information for Nominatim. We follow semantic versioning.
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Major, minor and patch_level refer to the last released version.
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The database patch level tracks important changes between releases
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and must always be increased when there is a change to the database or code
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that requires a migration.
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When adding a migration on the development branch, raise the patch level
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to 99 to make sure that the migration is applied when updating from a
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patch release to the next minor version. Patch releases usually shouldn't
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have migrations in them. When they are needed, then make sure that the
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migration can be reapplied and set the migration version to the appropriate
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patch level when cherry-picking the commit with the migration.
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"""
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major: int
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minor: int
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patch_level: int
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db_patch_level: int
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def __str__(self) -> str:
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return f"{self.major}.{self.minor}.{self.patch_level}-{self.db_patch_level}"
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NOMINATIM_VERSION = NominatimVersion(4, 2, 99, 0)
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POSTGRESQL_REQUIRED_VERSION = (9, 6)
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POSTGIS_REQUIRED_VERSION = (2, 2)
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# Cmake sets a variable @GIT_HASH@ by executing 'git --log'. It is not run
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# on every execution of 'make'.
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# cmake/tool-installed.tmpl is used to build the binary 'nominatim'. Inside
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# there is a call to set the variable value below.
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GIT_COMMIT_HASH : Optional[str] = None
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def parse_version(version: str) -> NominatimVersion:
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""" Parse a version string into a version consisting of a tuple of
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four ints: major, minor, patch level, database patch level
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This is the reverse operation of `version_str()`.
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"""
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parts = version.split('.')
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return NominatimVersion(*[int(x) for x in parts[:2] + parts[2].split('-')])
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