def runchange(self, ver, change, step):
startver = ver
endver = ver + step
# Current database version must be correct! Don't run if corrupt!
if self.version != startver:
raise exceptions.InvalidVersionError("%s is not %s" %
(self.version, startver))
# Run the change
#change.run(self.engine, step)
# Yield messages out
for message in change.run(self.engine, step):
yield message
# Update/refresh database version
try:
# Update/refresh database version
self.update_repository_table(startver, endver)
self.load()
except AttributeError:
# SQLAlchemy-migrate 0.5.4
from sqlalchemy.sql import and_
update = self.table.update(
and_(self.table.c.version == int(startver),
self.table.c.repository_id == str(self.repository.id)))
self.engine.execute(update, version=int(endver))
self._load()
def runchange(self, ver, change, step):
startver = ver
endver = ver + step
# Current database version must be correct! Don't run if corrupt!
if self.version != startver:
raise exceptions.InvalidVersionError("%s is not %s" % \
(self.version, startver))
# Run the change
change.run(self.engine, step)
# Update/refresh database version
self.update_repository_table(startver, endver)
self.load()
def _validate_version(cls, repository, version):
"""
Ensures this is a valid version number for this repository.
:raises: :exc:`InvalidVersionError` if invalid
:return: valid version number
"""
if version is None:
version = 0
try:
version = VerNum(version) # raises valueerror
if version < 0 or version > repository.latest:
raise ValueError()
except ValueError:
raise exceptions.InvalidVersionError(version)
return version