def make_update_script_for_model(cls, engine, oldmodel, model, repository,
**opts):
"""Create a migration script"""
# Compute differences.
if isinstance(repository, basestring):
from migrate.versioning.repository import Repository # oh dear, an import cycle!
repository = Repository(repository)
oldmodel = loadModel(oldmodel)
model = loadModel(model)
diff = schemadiff.getDiffOfModelAgainstModel(
oldmodel, model, engine, excludeTables=[repository.version_table])
decls, upgradeCommands, downgradeCommands = genmodel.ModelGenerator(
diff).toUpgradeDowngradePython()
# Store differences into file.
template_file = None
src = template.get_script(template_file)
contents = open(src).read()
search = 'def upgrade():'
contents = contents.replace(search, decls + '\n\n' + search, 1)
if upgradeCommands:
contents = contents.replace(' pass', upgradeCommands, 1)
if downgradeCommands:
contents = contents.replace(' pass', downgradeCommands, 1)
return contents
def make_update_script_for_model(cls, engine, oldmodel,
model, repository, **opts):
"""Create a migration script"""
# Compute differences.
if isinstance(repository, basestring):
# oh dear, an import cycle!
from migrate.versioning.repository import Repository
repository = Repository(repository)
oldmodel = load_model(oldmodel)
model = load_model(model)
diff = schemadiff.getDiffOfModelAgainstModel(
oldmodel,
model,
engine,
excludeTables=[repository.version_table])
decls, upgradeCommands, downgradeCommands = \
genmodel.ModelGenerator(diff).toUpgradeDowngradePython()
# Store differences into file.
template_file = None
src = template.get_script(template_file)
contents = open(src).read()
search = 'def upgrade():'
contents = contents.replace(search, '\n\n'.join((decls, search)), 1)
if upgradeCommands:
contents = contents.replace(' pass', upgradeCommands, 1)
if downgradeCommands:
contents = contents.replace(' pass', downgradeCommands, 1)
return contents
def create(cls, path, **opts):
"""Create an empty migration script"""
cls.require_notfound(path)
filename = None
if opts.get('logsql', False):
filename = 'logsql.py_tmpl'
src = template.get_script(filename)
shutil.copy(src, path)
def create(cls,path,**opts):
"""Create an empty migration script"""
cls.require_notfound(path)
filename = None
if opts.get('logsql',False):
filename = 'logsql.py_tmpl'
src=template.get_script(filename)
shutil.copy(src,path)
def create(cls,path,**opts):
"""Create an empty migration script"""
cls.require_notfound(path)
# TODO: Use the default script template (defined in the template
# module) for now, but we might want to allow people to specify a
# different one later.
template_file = None
src = template.get_script(template_file)
shutil.copy(src,path)
def create(cls, path, **opts):
"""Create an empty migration script"""
cls.require_notfound(path)
# TODO: Use the default script template (defined in the template
# module) for now, but we might want to allow people to specify a
# different one later.
template_file = None
src = template.get_script(template_file)
shutil.copy(src, path)