def get_mapping_definitions(cls, object_class):
"""Get column definitions for allowed (un)mappings for object_class.
For an Audit-scope object, generates snapshot mappings for all allowed
mappings with snapshottable objects and direct mappings with all allowed
mappings with non-snapshottable objects.
For a normal object, generates direct mappings with all allowed mappings.
For every direct mapping column generated it also generates an unmapping
column.
"""
definitions = {}
definitions.update(cls._generate_mapping_definition(
rules.get_mapping_rules().get(object_class.__name__, set()),
cls.MAPPING_PREFIX, "map:{}",
))
definitions.update(cls._generate_mapping_definition(
rules.get_snapshot_mapping_rules().get(object_class.__name__, set()),
cls.SNAPSHOT_MAPPING_PREFIX, "map:{} versions",
))
definitions.update(cls._generate_mapping_definition(
rules.get_unmapping_rules().get(object_class.__name__, set()),
cls.UNMAPPING_PREFIX, "unmap:{}",
))
return definitions
def get_mapping_definitions(cls, object_class):
"""Get column definitions for allowed (un)mappings for object_class.
For an Audit-scope object, generates snapshot mappings for all allowed
mappings with snapshottable objects and direct mappings with all allowed
mappings with non-snapshottable objects.
For a normal object, generates direct mappings with all allowed mappings.
For every direct mapping column generated it also generates an unmapping
column.
"""
definitions = {}
definitions.update(cls._generate_mapping_definition(
rules.get_mapping_rules().get(object_class.__name__, set()),
cls.MAPPING_PREFIX, "map:{}",
))
definitions.update(cls._generate_mapping_definition(
rules.get_snapshot_mapping_rules().get(object_class.__name__, set()),
cls.SNAPSHOT_MAPPING_PREFIX, "map:{} versions",
))
definitions.update(cls._generate_mapping_definition(
rules.get_unmapping_rules().get(object_class.__name__, set()),
cls.UNMAPPING_PREFIX, "unmap:{}",
))
return definitions
def get_mapping_names(class_name):
"""Get mapping, unmapping and snapshot mapping column names."""
map_rules = rules.get_mapping_rules().get(class_name) or set()
unmap_rules = rules.get_unmapping_rules().get(class_name) or set()
unmap_sn_rules = rules.get_snapshot_mapping_rules().get(
class_name) or set()
format_rules = [("map:{}", map_rules), ("unmap:{}", unmap_rules),
("map:{} versions", unmap_sn_rules)]
column_names = set()
for format_, rule_set in format_rules:
pretty_rules = (title_from_camelcase(r) for r in rule_set)
column_names.update(format_.format(r) for r in pretty_rules)
return column_names
def get_mapping_names(class_name):
"""Get mapping, unmapping and snapshot mapping column names."""
map_rules = rules.get_mapping_rules().get(class_name) or set()
unmap_rules = rules.get_unmapping_rules().get(class_name) or set()
unmap_sn_rules = rules.get_snapshot_mapping_rules().get(class_name) or set()
format_rules = [("map:{}", map_rules),
("unmap:{}", unmap_rules),
("map:{} versions", unmap_sn_rules)]
column_names = set()
for format_, rule_set in format_rules:
pretty_rules = (title_from_camelcase(r) for r in rule_set)
column_names.update(format_.format(r) for r in pretty_rules)
return column_names
