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160 lines
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Python

import sys
from sqlalchemy.testing.requirements import Requirements
from alembic import util
from alembic.testing import exclusions
from alembic.util import sqla_compat
class SuiteRequirements(Requirements):
@property
def schemas(self):
"""Target database must support external schemas, and have one
named 'test_schema'."""
return exclusions.open()
@property
def autocommit_isolation(self):
"""target database should support 'AUTOCOMMIT' isolation level"""
return exclusions.closed()
@property
def unique_constraint_reflection(self):
def doesnt_have_check_uq_constraints(config):
from sqlalchemy import inspect
# temporary
if config.db.name == "oracle":
return True
insp = inspect(config.db)
try:
insp.get_unique_constraints("x")
except NotImplementedError:
return True
except TypeError:
return True
except Exception:
pass
return False
return exclusions.skip_if(doesnt_have_check_uq_constraints)
@property
def foreign_key_match(self):
return exclusions.open()
@property
def check_constraints_w_enforcement(self):
"""Target database must support check constraints
and also enforce them."""
return exclusions.open()
@property
def reflects_pk_names(self):
return exclusions.closed()
@property
def reflects_fk_options(self):
return exclusions.closed()
@property
def sqlalchemy_issue_3740(self):
"""Fixes percent sign escaping for paramstyles that don't require it"""
return exclusions.skip_if(
lambda config: not util.sqla_120,
"SQLAlchemy 1.2 or greater required",
)
@property
def sqlalchemy_12(self):
return exclusions.skip_if(
lambda config: not util.sqla_1216,
"SQLAlchemy 1.2.16 or greater required",
)
@property
def sqlalchemy_13(self):
return exclusions.skip_if(
lambda config: not util.sqla_13,
"SQLAlchemy 1.3 or greater required",
)
@property
def sqlalchemy_14(self):
return exclusions.skip_if(
lambda config: not util.sqla_14,
"SQLAlchemy 1.4 or greater required",
)
@property
def sqlalchemy_1115(self):
return exclusions.skip_if(
lambda config: not util.sqla_1115,
"SQLAlchemy 1.1.15 or greater required",
)
@property
def sqlalchemy_110(self):
return exclusions.skip_if(
lambda config: not util.sqla_110,
"SQLAlchemy 1.1.0 or greater required",
)
@property
def sqlalchemy_issue_4436(self):
def check(config):
vers = sqla_compat._vers
if vers == (1, 3, 0, "b1"):
return True
elif vers >= (1, 2, 16):
return False
else:
return True
return exclusions.skip_if(
check, "SQLAlchemy 1.2.16, 1.3.0b2 or greater required"
)
@property
def python3(self):
return exclusions.skip_if(
lambda: sys.version_info < (3,), "Python version 3.xx is required."
)
@property
def pep3147(self):
return exclusions.only_if(lambda config: util.compat.has_pep3147())
@property
def comments(self):
return exclusions.only_if(
lambda config: sqla_compat._dialect_supports_comments(
config.db.dialect
)
)
@property
def comments_api(self):
return exclusions.only_if(lambda config: util.sqla_120)
@property
def alter_column(self):
return exclusions.open()
@property
def computed_columns(self):
return exclusions.closed()
@property
def computed_columns_api(self):
return exclusions.only_if(
exclusions.BooleanPredicate(sqla_compat.has_computed)
)