python类SAWarning()的实例源码

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, assert_=False, *messages):
            return fn(*args, **kw)

    return decorate

def emits_warning_on(db, *messages):
    """Mark a test as emitting a warning on a specific dialect.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().

    Note that emits_warning_on does **not** assert that the warnings
    were in fact seen.

    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings_on(db, *messages):
            return fn(*args, **kw)

    return decorate

def expect_warnings(*messages, **kw):
    """Context manager which expects one or more warnings.

    With no arguments, squelches all SAWarnings emitted via
    sqlalchemy.util.warn and sqlalchemy.util.warn_limited.   Otherwise
    pass string expressions that will match selected warnings via regex;
    all non-matching warnings are sent through.

    The expect version **asserts** that the warnings were in fact seen.

    Note that the test suite sets SAWarning warnings to raise exceptions.

    """
    return _expect_warnings(sa_exc.SAWarning, messages, **kw)

def setup_filters():
    """Set global warning behavior for the test suite."""

    warnings.filterwarnings('ignore',
                            category=sa_exc.SAPendingDeprecationWarning)
    warnings.filterwarnings('error', category=sa_exc.SADeprecationWarning)
    warnings.filterwarnings('error', category=sa_exc.SAWarning)

def expect_warnings(*messages, **kw):
    """Context manager which expects one or more warnings.

    With no arguments, squelches all SAWarnings emitted via
    sqlalchemy.util.warn and sqlalchemy.util.warn_limited.   Otherwise
    pass string expressions that will match selected warnings via regex;
    all non-matching warnings are sent through.

    The expect version **asserts** that the warnings were in fact seen.

    Note that the test suite sets SAWarning warnings to raise exceptions.

    """
    return _expect_warnings(sa_exc.SAWarning, messages, **kw)

def expect_warnings(*messages, **kw):
    """Context manager which expects one or more warnings.

    With no arguments, squelches all SAWarnings emitted via
    sqlalchemy.util.warn and sqlalchemy.util.warn_limited.   Otherwise
    pass string expressions that will match selected warnings via regex;
    all non-matching warnings are sent through.

    The expect version **asserts** that the warnings were in fact seen.

    Note that the test suite sets SAWarning warnings to raise exceptions.

    """
    return _expect_warnings(sa_exc.SAWarning, messages, **kw)

def emits_warning(*messages):
    """Mark a test as emitting a warning.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().
    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings(*messages):
            return fn(*args, **kw)
    return decorate

def upgrade(migrate_engine):
    # ignore reflection warnings
    with warnings.catch_warnings():
        warnings.simplefilter("ignore", category=sa_exc.SAWarning)
        metadata = MetaData()
        metadata.bind = migrate_engine
        user_table = Table('user', metadata, autoload=True)
    #    name_column = user_table.c.name
        unique_name_constraint = UniqueConstraint('name', table=user_table)
        unique_name_constraint.create()

def emits_warning(*messages):
    """Mark a test as emitting a warning.

    With no arguments, squelches all SAWarning failures.  Or pass one or more
    strings; these will be matched to the root of the warning description by
    warnings.filterwarnings().
    """
    @decorator
    def decorate(fn, *args, **kw):
        with expect_warnings(*messages):
            return fn(*args, **kw)
    return decorate

def expect_warnings(*messages, **kw):
    """Context manager which expects one or more warnings.

    With no arguments, squelches all SAWarnings emitted via
    sqlalchemy.util.warn and sqlalchemy.util.warn_limited.   Otherwise
    pass string expressions that will match selected warnings via regex;
    all non-matching warnings are sent through.

    The expect version **asserts** that the warnings were in fact seen.

    Note that the test suite sets SAWarning warnings to raise exceptions.

    """
    return _expect_warnings(sa_exc.SAWarning, messages, **kw)

def setup_filters():
    """Set global warning behavior for the test suite."""

    warnings.filterwarnings('ignore',
                            category=sa_exc.SAPendingDeprecationWarning)
    warnings.filterwarnings('error', category=sa_exc.SADeprecationWarning)
    warnings.filterwarnings('error', category=sa_exc.SAWarning)