def test_load_raw_file(self):
""" Test loading a data file """
self._verify_schema1_content(
load_raw_schema(env.input_path('schema1.yaml')), 'schema1')
# Verify that we can't pass source_file parameters when we've got a directory name
with self.assertRaises(AssertionError):
load_raw_schema(env.input_path('schema1.yaml'),
source_file_size=117)
def test_multi_schemas(self):
""" Test multiple schemas in the same file """
def check_types(s: SchemaDefinition) -> None:
output = env.expected_path('schema4.json')
if not os.path.exists(output):
with open(output, 'w') as f:
f.write(
as_json(
JsonObj(
**{
k: as_dict(loads(as_json(v)))
for k, v in s.types.items()
})))
with open(output) as f:
expected = as_dict(load(f))
self.assertEqual(
expected,
{k: as_dict(loads(as_json(v)))
for k, v in s.types.items()})
s.types = None
self._verify_schema1_content(
load_raw_schema(env.input_path('schema4.yaml')), 'schema4',
check_types)
def check_yaml(source_file):
model_yaml = load_raw_schema(source_file)
# The model yaml id no longer mirrors the model uri
# self.assertEqual(uri, model_yaml.id)
self.assertEqual(name, model_yaml.name)
self.assertEqual(namespace_name, model_yaml.default_prefix)
self.assertEqual(
namespace, model_yaml.prefixes[
model_yaml.default_prefix].prefix_reference)
self.assertEqual(source_file, model_yaml.source_file)
def __init__(self,
data: Union[str, TextIO, SchemaDefinition, dict],
base_dir: Optional[str] = None,
namespaces: Optional[Namespaces] = None,
useuris: Optional[bool] = None,
importmap: Optional[Mapping[str, str]] = None,
logger: Optional[logging.Logger] = None,
mergeimports: Optional[bool] = True,
emit_metadata: Optional[bool] = True,
source_file_date: Optional[str] = None,
source_file_size: Optional[int] = None) \
-> None:
""" Constructor - load and process a YAML or pre-processed schema
:param data: YAML schema text, python dict loaded from yaml, URL, file name, open file or SchemaDefinition
:param base_dir: base directory or URL where Schema came from
:param namespaces: namespaces collector
:param useuris: True means class_uri and slot_uri are identifiers. False means they are mappings.
:param importmap: A map from import entries to URI or file name.
:param logger: Target Logger, if any
:param mergeimports: True means combine imports into single package. False means separate packages
:param emit_metadata: True means include source file, size and date
:param source_file_date: modification of source file
:param source_file_size: size of source file
"""
self.logger = logger if logger is not None else logging.getLogger(
self.__class__.__name__)
if isinstance(data, SchemaDefinition):
self.schema = data
else:
self.schema = load_raw_schema(data,
base_dir=base_dir,
merge_modules=mergeimports,
emit_metadata=emit_metadata,
source_file_date=source_file_date,
source_file_size=source_file_size)
# Map from URI to source and version tuple
self.loaded: OrderedDict[str, Tuple[str, str]] = {
self.schema.id: (self.schema.source_file, self.schema.version)
}
self.base_dir = self._get_base_dir(base_dir)
self.namespaces = namespaces if namespaces else Namespaces()
self.useuris = useuris if useuris is not None else True
self.importmap = parse_import_map(
importmap, self.base_dir) if importmap is not None else dict()
self.source_file_date = source_file_date
self.source_file_size = source_file_size
self.synopsis: Optional[SchemaSynopsis] = None
self.schema_location: Optional[str] = None
self.schema_defaults: Dict[str, str] = {
} # Map from schema URI to default namespace
self.merge_modules = mergeimports
self.emit_metadata = emit_metadata
def test_load_text(self):
""" Test loading straight text """
with open(env.input_path('schema1.yaml')) as f:
self._verify_schema1_content(
load_raw_schema(f.read(), 'schema1.yaml',
"Mon Dec 31 11:25:38 2018", 76), 'schema1')
def test_name_from_sourcefile(self):
""" Test no identifier at all """
with self.assertRaises(ValueError):
load_raw_schema(env.input_path('schema5.yaml'))
def test_schema_id(self):
""" Test loading a schema with just an id """
self._verify_schema1_content(
load_raw_schema('schema3.yaml', base_dir=env.indir), 'schema3')
def test_base_dir(self):
""" Test the base directory option """
self._verify_schema1_content(
load_raw_schema('schema1.yaml', base_dir=env.indir), 'schema1')
def test_explicit_name(self):
""" Test the named schema option """
self._verify_schema1_content(
load_raw_schema(env.input_path('schema2.yaml')), 'schema2')
def resolve(self) -> SchemaDefinition:
"""Reconcile a loaded schema, applying is_a, mixins, apply_to's and other such things. Also validate the
content and load a SchemaSynopsis entry
:return: Fully resolved definition
"""
if not self.schema.default_range:
self.schema.default_range = 'string'
self.logger.info(
f"Default_range not specified. Default set to '{self.schema.default_range}'"
)
# Process the namespace declarations
if not self.schema.default_prefix:
self.schema.default_prefix = sfx(self.schema.id)
self.schema_defaults[self.schema.id] = self.schema.default_prefix
for prefix in self.schema.prefixes.values():
self.namespaces[prefix.prefix_prefix] = prefix.prefix_reference
for cmap in self.schema.default_curi_maps:
self.namespaces.add_prefixmap(cmap, include_defaults=False)
if not self.namespaces._default:
if '://' in self.schema.default_prefix:
self.namespaces._default = self.schema.default_prefix
elif self.schema.default_prefix in self.namespaces:
self.namespaces._default = self.namespaces[
self.schema.default_prefix]
else:
self.raise_value_error(
f'Default prefix: {self.schema.default_prefix} is not defined',
self.schema.default_prefix)
# Process imports
for imp in self.schema.imports:
sname = self.importmap.get(str(imp),
imp) # Import map may use CURIE
sname = self.namespaces.uri_for(sname) if ':' in sname else sname
sname = self.importmap.get(
str(sname), sname) # It may also use URI or other forms
import_schemadefinition = \
load_raw_schema(sname + '.yaml',
base_dir=os.path.dirname(self.schema.source_file) if self.schema.source_file else None,
merge_modules=self.merge_modules, emit_metadata=self.emit_metadata)
loaded_schema = (str(sname), import_schemadefinition.version)
if import_schemadefinition.id in self.loaded:
# If we've already loaded this, make sure that we've got the same version
if self.loaded[
import_schemadefinition.id][1] != loaded_schema[1]:
self.raise_value_error(
f"Schema {import_schemadefinition.name} - version mismatch",
import_schemadefinition.name)
# Note: for debugging purposes we also check whether the version came from the same spot. This should
# be loosened to version only once we're sure that everything is working
# TODO: The test below needs review -- there are cases where it fails because self.loaded[...][0] has the
# full path name and loaded_schema[0] is just the local name
# if self.loaded[import_schemadefinition.id] != loaded_schema:
# self.raise_value_error(f"Schema imported from different files: "
# f"{self.loaded[import_schemadefinition.id][0]} : {loaded_schema[0]}")
else:
self.loaded[import_schemadefinition.id] = loaded_schema
merge_schemas(self.schema,
import_schemadefinition,
imp,
self.namespaces,
merge_imports=self.merge_modules)
self.schema_defaults[
import_schemadefinition.
id] = import_schemadefinition.default_prefix
self.namespaces._base = self.schema.default_prefix if ':' in self.schema.default_prefix else \
self.namespaces[self.schema.default_prefix]
# Promote embedded attribute definitions to first class slots.
for cls in self.schema.classes.values():
for attribute in cls.attributes.values():
mangled_slot_name = mangled_attribute_name(
cls.name, attribute.name)
if mangled_slot_name in self.schema.slots:
self.raise_value_error(
f'Class: "{cls.name}" attribute "{attribute.name}" - '
f'mangled name: {mangled_slot_name} already exists',
attribute.name)
new_slot = SlotDefinition(**attribute.__dict__)
new_slot.domain_of.append(cls.name)
new_slot.imported_from = cls.imported_from
if not new_slot.alias:
new_slot.alias = attribute.name
new_slot.name = mangled_slot_name
self.schema.slots[new_slot.name] = new_slot
cls.slots.append(mangled_slot_name)
# Assign class slot ownership
for cls in self.schema.classes.values():
if not isinstance(cls, ClassDefinition):
name = cls['name'] if 'name' in cls else 'Unknown'
self.raise_value_error(
f'Class "{name} (type: {type(cls)})" definition is not a class definition',
name)
if isinstance(cls.slots, str):
self.logger.warning(
f"File: {self.schema.source_file} Class: {cls.name} Slots are not an array"
)
cls.slots = [cls.slots]
for slotname in cls.slots:
if slotname in self.schema.slots:
slot = self.schema.slots[cast(SlotDefinitionName,
slotname)]
slot.owner = cls.name
if cls.name not in slot.domain_of:
slot.domain_of.append(cls.name)
else:
self.raise_value_error(
f'Class "{cls.name}" - unknown slot: "{slotname}"',
slotname)
# Process slots defined as slot usages
self.process_slot_usage_definitions()
# Massage initial set of slots
for slot in self.schema.slots.values():
# Propagate domain to containing class
if slot.domain and slot.domain in self.schema.classes:
if slot.name not in self.schema.classes[slot.domain].slots:
slot.owner = slot.name
# self.schema.classes[slot.domain].slots.append(slot.name)
elif slot.domain:
self.raise_value_error(
f"slot: {slot.name} - unrecognized domain ({slot.domain})",
slot.domain)
# Validate the slot range
if slot.range is not None and slot.range not in self.schema.types and \
slot.range not in self.schema.classes and slot.range not in self.schema.enums:
self.raise_value_error(
f"slot: {slot.name} - unrecognized range ({slot.range})",
slot.range)
# apply to --> mixins
for cls in self.schema.classes.values():
for apply_to_cls in cls.apply_to:
if apply_to_cls in self.schema.classes:
self.schema.classes[apply_to_cls].mixins.append(cls.name)
else:
self.raise_value_error(
f'Class "{cls.name}" unknown apply_to target: {apply_to_cls}',
apply_to_cls)
# Class URI's also count as (trivial) mappings
if cls.class_uri is not None:
cls.mappings.insert(0, cls.class_uri)
if cls.class_uri is None or not self.useuris:
cls.class_uri = \
self.namespaces.uri_or_curie_for(self.schema_defaults.get(cls.from_schema, sfx(cls.from_schema)),
camelcase(cls.name))
# Get the inverse ducks all in a row before we start filling other stuff in
for slot in self.schema.slots.values():
if slot.inverse:
inverse_slot = self.schema.slots.get(slot.inverse, None)
if inverse_slot:
if not inverse_slot.inverse:
inverse_slot.inverse = slot.name
elif inverse_slot.inverse != slot.name:
self.raise_value_error(
f'Slot {slot.name}.inverse ({slot.inverse}) does not match '
f'slot {inverse_slot.name}.inverse ({inverse_slot.inverse})'
)
else:
self.raise_value_error(
f'Slot {slot.name}.inverse ({slot.inverse}) is not defined'
)
# Update slots with parental information
merged_slots: List[SlotDefinitionName] = []
for slot in self.schema.slots.values():
if not slot.from_schema:
slot.from_schema = self.schema.id
self.merge_slot(slot, merged_slots)
# Add default ranges
if slot.range is None:
# Inverses will be handled later on in the process
if not slot.inverse:
slot.range = self.schema.default_range
# Update enums
merged_enums: List[EnumDefinitionName] = []
for enum in self.schema.enums.values():
if not enum.from_schema:
enum.from_schema = self.schema.id
# TODO: Need to add "is_a" to enums
# self.merge_enum(enum, merged_enums)
# Process the slot_usages
for cls in self.schema.classes.values():
self.process_slot_usages(cls)
if not cls.from_schema:
cls.from_schema = self.schema.id
# Merge class with its mixins and the like
merged_classes: List[ClassDefinitionName] = []
for cls in self.schema.classes.values():
self.merge_class(cls, merged_classes)
# Update types with parental information
merged_types: List[TypeDefinitionName] = []
for typ in self.schema.types.values():
if not typ.base and not typ.typeof:
self.raise_value_error(
f'type "{typ.name}" must declare a type base or parent (typeof)',
typ.name)
if not typ.typeof and not typ.uri:
self.raise_value_error(
f'type "{typ.name}" does not declare a URI', typ.name)
self.merge_type(typ, merged_types)
if not typ.from_schema:
typ.from_schema = self.schema.id
# Update the subsets as needed
for ss in self.schema.subsets.values():
if not ss.from_schema:
ss.from_schema = self.schema.id
# Massage initial set of slots
for slot in self.schema.slots.values():
# Keys and identifiers must be present
if bool(slot.key or slot.identifier):
if slot.required is None:
slot.required = True
elif not slot.required:
self.raise_value_error(
f"slot: {slot.name} - key and identifier slots cannot be optional",
slot.name)
if slot.key and slot.identifier:
self.raise_value_error(
f"slot: {slot.name} - A slot cannot be both a key and identifier at the same time",
slot.name)
# Propagate domain to containing class
if slot.domain and slot.domain in self.schema.classes:
if slot.name not in self.schema.classes[
slot.domain].slots and not slot.owner:
slot.owner = slot.name
# Slot domains to not appear
# self.schema.classes[slot.domain].slots.append(slot.name)
elif slot.domain:
self.raise_value_error(
f"slot: {slot.name} - unrecognized domain ({slot.domain})",
slot.domain)
if slot.ifabsent:
from linkml.utils.ifabsent_functions import isabsent_match
if isabsent_match(slot.ifabsent) is None:
self.raise_value_error(
f"Unrecognized ifabsent action for slot '{slot.name}': '{slot.ifabsent}'",
slot.ifabsent)
# Keys and identifiers must be present
if bool(slot.key or slot.identifier):
if slot.required is None:
slot.required = True
elif not slot.required:
self.raise_value_error(
f"slot: {slot.name} - key and identifier slots cannot be optional",
slot.name)
# Validate the slot range
if slot.range is not None and slot.range not in self.schema.types and \
slot.range not in self.schema.classes and slot.range not in self.schema.enums:
self.raise_value_error(
f"slot: {slot.name} - unrecognized range ({slot.range})",
slot.range)
# Massage classes, propagating class slots entries domain back to the target slots
for cls in self.schema.classes.values():
if not isinstance(cls, ClassDefinition):
name = cls['name'] if 'name' in cls else 'Unknown'
self.raise_value_error(
f'Class "{name} (type: {type(cls)})" definition is not a class definition'
)
if isinstance(cls.slots, str):
self.logger.warning(
f"File: {self.schema.source_file} Class: {cls.name} Slots are not an array"
)
cls.slots = [cls.slots]
for slotname in cls.slots:
if slotname in self.schema.slots:
slot = self.schema.slots[cast(SlotDefinitionName,
slotname)]
else:
self.raise_value_error(
f'Class "{cls.name}" - unknown slot: "{slotname}"',
slotname)
for slot in self.schema.slots.values():
if slot.from_schema is None:
slot.from_schema = self.schema.id
# Inline any class definitions that don't have identifiers. Note that keys ARE inlined
if slot.range in self.schema.classes:
range_class = self.schema.classes[cast(ClassDefinitionName,
slot.range)]
if slot.inlined_as_list or not any([
self.schema.slots[s].identifier
or self.schema.slots[s].key for s in range_class.slots
]):
slot.inlined = True
if slot.slot_uri is not None:
slot.mappings.insert(0, slot.slot_uri)
# Assign missing predicates
if slot.slot_uri is None or not self.useuris:
slot.slot_uri = \
self.namespaces.uri_or_curie_for(self.schema_defaults.get(slot.from_schema, sfx(slot.from_schema)),
self.slot_name_for(slot))
if slot.subproperty_of and slot.subproperty_of not in self.schema.slots:
self.raise_value_error(
f'Slot: "{slot.name}" - subproperty_of: "{slot.subproperty_of}" '
f'does not reference a slot definition',
slot.subproperty_of)
# Evaluate any slot inverses
def domain_range_alignment(fwd_slot: SlotDefinition,
inverse_slot: SlotDefinition) -> bool:
""" Determine whether the range of fwd_slot is compatible with the domain of inverse_slot """
# TODO: Determine what to do about class and slot hierarchy
if fwd_slot.range and fwd_slot.range not in self.schema.classes:
raise ValueError(
f"Slot '{fwd_slot.name}' range ({fwd_slot.range}) is not an class -- inverse is not possible"
)
if fwd_slot.domain:
if not inverse_slot.range:
inverse_slot.range = fwd_slot.domain
elif not domain_range_alignment(fwd_slot, inverse_slot):
self.logger.warning(
f"Slot: {slot.name} and inverse slot: {inverse_slot.name} are not compatible"
)
return True
# Get the inverse domains and ranges sorted
for slot in self.schema.slots.values():
if slot.inverse:
# Note that the inverse OF the inverse will be caught in this same iterator
inverse_slot = self.schema.slots[slot.inverse]
if not slot.range:
if inverse_slot.domain:
slot.range = inverse_slot.domain
elif len(inverse_slot.domain_of):
if len(inverse_slot.domain_of) > 1:
dom_list = ', '.join(inverse_slot.domain_of)
self.logger.warning(
f"Slot {slot.name}.inverse ({inverse_slot.name}), "
f"has multi domains ({dom_list}) Multi ranges not yet implemented"
)
slot.range = inverse_slot.domain_of[0]
else:
raise ValueError(
f"Unable to determine the range of slot `{slot.name}'. "
f"Its inverse ({inverse_slot.name}) has no declared domain"
)
elif not inverse_slot.domain and len(
inverse_slot.domain_of) == 0:
inverse_slot.domain = slot.range
elif slot.range not in (inverse_slot.domain,
inverse_slot.domain_of):
self.logger.warning(
f"Range of slot '{slot.name}' ({slot.range}) "
f"does not line with the domain of its inverse ({inverse_slot.name})"
)
# Check for duplicate class and type names
def check_dups(s1: Set[ElementName],
s2: Set[ElementName]) -> Tuple[List[ElementName], str]:
if s1.isdisjoint(s2):
return [], ''
# Return an ordered list of d1/d1 tuples
# For some curious reason, s1.intersection(s2) and s2.intersection(s1) BOTH yield s1 elements
dups = sorted(s1.intersection(s2))
dup_locs = list()
for dup in dups:
dup_locs += [s1e for s1e in s1 if s1e == dup]
dup_locs += [s2e for s2e in s2 if s2e == dup]
return dup_locs, ', '.join(dups)
classes = set(self.schema.classes.keys())
self.validate_item_names("class", classes)
slots = set(self.schema.slots.keys())
self.validate_item_names("slot", slots)
types = set(self.schema.types.keys())
self.validate_item_names("type", types)
subsets = set(self.schema.subsets.keys())
self.validate_item_names("subset", subsets)
enums = set(self.schema.enums.keys())
self.validate_item_names('enum', enums)
# Check that the default range is valid
default_range_needed = any(slot.range == self.schema.default_range
for slot in self.schema.slots.values())
if default_range_needed and \
self.schema.default_range not in self.schema.types and \
self.schema.default_range not in self.schema.classes:
raise ValueError(
f'Unknown default range: "{self.schema.default_range}"')
# We are currently limited to one key per class
for cls in self.schema.classes.values():
class_slots = []
for sn in cls.slots:
slot = self.schema.slots[sn]
if slot.key or slot.identifier:
class_slots.append(sn)
if len(class_slots) > 1:
self.raise_value_error(
f'Class "{cls.name}" - multiple keys/identifiers not allowed ({", ".join(class_slots)})',
class_slots[1])
# Check out all the namespaces
self.check_prefixes()
# Cannot have duplicate class or type keys
dups, items = check_dups(types, classes)
if items:
self.raise_value_errors(
f"Overlapping type and class names: {items}", dups)
dups, items = check_dups(enums, classes)
if items:
self.raise_value_errors(
f"Overlapping enum and class names: {items}", dups)
dups, items = check_dups(types, enums)
if items:
self.raise_value_errors(
f"Overlapping type and enum names: {items}", dups)
dups, items = check_dups(slots, classes)
if items:
self.logger_warning(f"Overlapping slot and class names: {items}",
dups)
dups, items = check_dups(subsets, classes)
if items:
self.logger_warning(f"Overlapping subset and class names: {items}",
dups)
dups, items = check_dups(types, slots)
if items:
self.logger_warning(f"Overlapping type and slot names: {items}",
dups)
dups, items = check_dups(subsets, slots)
if items:
self.logger_warning(f"Overlapping subset and slot names: {items}",
dups)
dups, items = check_dups(subsets, types)
if items:
self.logger_warning(f"Overlapping subset and type names: {items}",
dups)
dups, items = check_dups(enums, slots)
if items:
self.logger_warning(f"Overlapping enum and slot names: {items}",
dups)
dups, items = check_dups(subsets, enums)
if items:
self.logger_warning(f"Overlapping subset and enum names: {items}",
dups)
# Check over the various enumeration constraints
for enum in self.schema.enums.values():
if enum.code_set_version:
if enum.code_set_tag:
self.raise_value_errors(
f'Enum: "{enum.name}" cannot have both version and tag',
[enum.code_set_version, enum.code_set_tag])
if not enum.code_set:
self.raise_value_error(
f'Enum: "{enum.name}" needs a code set to have a version',
enum.name)
if enum.code_set_tag:
if not enum.code_set:
self.raise_value_error(
f'Enum: "{enum.name}" needs a code set to have a tag',
enum.name)
if enum.pv_formula:
if not enum.code_set:
self.raise_value_error(
f'Enum: "{enum.name}" needs a code set to have a formula',
enum.name)
if enum.permissible_values:
self.raise_value_error(
f'Enum: "{enum.name}" can have a formula or permissible values but not both',
enum.name)
for slot in self.schema.slots.values():
if slot.range and slot.range in self.schema.enums:
if slot.inlined or slot.inlined_as_list:
self.raise_value_error(
f'Slot: "{slot.name}" enumerations cannot be inlined',
slot.range)
# Make the source file relative if it is locally generated
self.schema_location = self.schema.source_file
if self.schema.source_file and '://' not in self.schema.source_file:
self.schema.source_file = os.path.basename(self.schema.source_file)
# Make sure there is only one tree_root
tree_root = None
for cls in self.schema.classes.values():
if cls.tree_root:
if tree_root is not None:
self.logger.warning(
f"Duplicate tree_root: {cls.name} with {tree_root}")
else:
tree_root = cls.name
self.synopsis = SchemaSynopsis(self.schema)
errs = self.synopsis.errors()
if errs:
print(
"Warning: The following errors were encountered in the schema")
for errline in errs:
print("\t" + errline)
print()
for subset, referees in self.synopsis.subsetrefs.items():
if subset not in self.schema.subsets:
self.raise_value_error(f"Subset: {subset} is not defined",
subset)
return self.schema
def test_as_yaml(self):
""" Test the YAML output representation """
schema = self.fix_schema_metadata(load_raw_schema(env.input_path('schema4.yaml')))
env.eval_single_file(env.expected_path('schema4.yaml'), as_yaml(schema), filtr=lambda s: s)
def test_as_json(self):
schema = self.fix_schema_metadata(load_raw_schema(env.input_path('schema6.yaml')))
env.eval_single_file(env.expected_path('schema6.json'), as_json(schema), filtr=lambda s: s)