def _extend_url_parameters(url, connection_parameters):
for key, value in parse.parse_qs(connection_parameters).items():
if key in url.query:
existing = url.query[key]
if not isinstance(existing, list):
url.query[key] = existing = utils.to_list(existing)
existing.extend(value)
value = existing
else:
url.query[key] = value
if len(value) == 1:
url.query[key] = value[0]
def _extend_url_parameters(url, connection_parameters):
for key, value in six.moves.urllib.parse.parse_qs(
connection_parameters).items():
if key in url.query:
existing = url.query[key]
if not isinstance(existing, list):
url.query[key] = existing = utils.to_list(existing)
existing.extend(value)
value = existing
else:
url.query[key] = value
if len(value) == 1:
url.query[key] = value[0]
def _sql_crit(expression, value):
"""Produce an equality expression against the given value.
This takes into account a value that is actually a collection
of values, as well as a value of None or collection that contains
None.
"""
values = utils.to_list(value, default=(None, ))
if len(values) == 1:
if values[0] is None:
return expression == sql.null()
else:
return expression == values[0]
elif _none_set.intersection(values):
return sql.or_(
expression == sql.null(),
_sql_crit(expression,
set(values).difference(_none_set)))
else:
return expression.in_(values)
def _sql_crit(expression, value):
"""Produce an equality expression against the given value.
This takes into account a value that is actually a collection
of values, as well as a value of None or collection that contains
None.
"""
values = utils.to_list(value, default=(None, ))
if len(values) == 1:
if values[0] is None:
return expression == sql.null()
else:
return expression == values[0]
elif _none_set.intersection(values):
return sql.or_(
expression == sql.null(),
_sql_crit(expression, set(values).difference(_none_set))
)
else:
return expression.in_(values)
def _extend_url_parameters(url, connection_parameters):
# TODO(zzzeek): remove hasattr() conditional when SQLAlchemy 1.4 is the
# minimum version in requirements; call update_query_string()
# unconditionally
if hasattr(url, "update_query_string"):
return url.update_query_string(connection_parameters, append=True)
# TODO(zzzeek): remove the remainder of this method when SQLAlchemy 1.4
# is the minimum version in requirements
for key, value in parse.parse_qs(
connection_parameters).items():
if key in url.query:
existing = url.query[key]
if not isinstance(existing, list):
url.query[key] = existing = utils.to_list(existing)
existing.extend(value)
value = existing
else:
url.query[key] = value
if len(value) == 1:
url.query[key] = value[0]
return url
def _instantiate_fixtures(self):
if self._instantiated_fixtures:
return self._instantiated_fixtures
self._instantiated_fixtures = utils.to_list(self.generate_fixtures())
return self._instantiated_fixtures
def _instantiate_fixtures(self):
if self._instantiated_fixtures:
return self._instantiated_fixtures
self._instantiated_fixtures = utils.to_list(self.generate_fixtures())
return self._instantiated_fixtures