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convert version to named tuple

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Also return the new NominatimVersion rather than a string in the
status result.
This commit is contained in:
Sarah Hoffmann
2022-12-13 10:36:19 +01:00
parent 93b9288c30
commit 0c47558729
11 changed files with 67 additions and 61 deletions
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21
nominatim/tools/migration.py
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@@ -15,16 +15,14 @@ from psycopg2 import sql as pysql
from nominatim.config import Configuration
from nominatim.db import properties
from nominatim.db.connection import connect, Connection
from nominatim.version import NOMINATIM_VERSION, version_str
from nominatim.version import NominatimVersion, NOMINATIM_VERSION, parse_version
from nominatim.tools import refresh
from nominatim.tokenizer import factory as tokenizer_factory
from nominatim.errors import UsageError
LOG = logging.getLogger()
VersionTuple = Tuple[int, int, int, int]
_MIGRATION_FUNCTIONS : List[Tuple[VersionTuple, Callable[..., None]]] = []
_MIGRATION_FUNCTIONS : List[Tuple[NominatimVersion, Callable[..., None]]] = []
def migrate(config: Configuration, paths: Any) -> int:
""" Check for the current database version and execute migrations,
@@ -37,8 +35,7 @@ def migrate(config: Configuration, paths: Any) -> int:
db_version_str = None
if db_version_str is not None:
parts = db_version_str.split('.')
db_version = tuple(int(x) for x in parts[:2] + parts[2].split('-'))
db_version = parse_version(db_version_str)
if db_version == NOMINATIM_VERSION:
LOG.warning("Database already at latest version (%s)", db_version_str)
@@ -53,8 +50,7 @@ def migrate(config: Configuration, paths: Any) -> int:
for version, func in _MIGRATION_FUNCTIONS:
if db_version <= version:
title = func.__doc__ or ''
LOG.warning("Running: %s (%s)", title.split('\n', 1)[0],
version_str(version))
LOG.warning("Running: %s (%s)", title.split('\n', 1)[0], version)
kwargs = dict(conn=conn, config=config, paths=paths)
func(**kwargs)
conn.commit()
@@ -66,14 +62,14 @@ def migrate(config: Configuration, paths: Any) -> int:
tokenizer = tokenizer_factory.get_tokenizer_for_db(config)
tokenizer.update_sql_functions(config)
properties.set_property(conn, 'database_version', version_str())
properties.set_property(conn, 'database_version', str(NOMINATIM_VERSION))
conn.commit()
return 0
def _guess_version(conn: Connection) -> VersionTuple:
def _guess_version(conn: Connection) -> NominatimVersion:
""" Guess a database version when there is no property table yet.
Only migrations for 3.6 and later are supported, so bail out
when the version seems older.
@@ -89,7 +85,7 @@ def _guess_version(conn: Connection) -> VersionTuple:
'prior to 3.6.0. Automatic migration not possible.')
raise UsageError('Migration not possible.')
return (3, 5, 0, 99)
return NominatimVersion(3, 5, 0, 99)
@@ -108,7 +104,8 @@ def _migration(major: int, minor: int, patch: int = 0,
there.
"""
def decorator(func: Callable[..., None]) -> Callable[..., None]:
_MIGRATION_FUNCTIONS.append(((major, minor, patch, dbpatch), func))
version = (NominatimVersion(major, minor, patch, dbpatch))
_MIGRATION_FUNCTIONS.append((version, func))
return func
return decorator