nlp/packages/stand-off-data-py/stand_off_data/models.py
2021-07-22 16:59:29 +02:00

113 lines
3.8 KiB
Python

class StandOffData:
def __init__(self, attrs):
self.meta = attrs.get('meta', {})
self.lookup = {tag_definition.id: tag_definition for tag_definition in
[TagDefinition(x) for x in attrs.get('tags', [])]}
self.annotations = [TagAnnotation(x, self.lookup) for x in
attrs.get('annotations', [])]
class TagAnnotation:
def __init__(self, attrs, lookup):
self.lookup = lookup
self.tag_id = attrs['tag_id']
if self.tag_id not in self.lookup:
raise Exception('Unknown tag id: {}'.format(self.tag_id))
self.start = attrs['start']
self.end = attrs['end']
if self.start >= self.end:
raise Exception('start must be lower then end')
self.description = attrs.get('description', '')
self.properties = [
PropertyAnnotation({**x, 'tag_id': self.tag_id}, self.lookup)
for x in attrs.get('properties', [])
]
for required_property_id in self.lookup[self.tag_id].required_properties:
if required_property_id not in self.properties:
raise Exception(
'Missing required property: {}'.format(required_property_id))
@property
def name(self):
return self.lookup[self.tag_id].name
def __lt__(self, other):
if self.start == other.start:
return self.name == 'token' and other.name != 'token'
else:
return self.start < other.start
def __le__(self, other):
if self.start == other.start:
return self.name == 'token' or other.name != 'token'
else:
return self.start < other.start
def __eq__(self, other):
return self.start == other.start and self.name == other.name
def __ne__(self, other):
return self.start != other.start and self.name != other.name
def __gt__(self, other):
if self.start == other.start:
return self.name != 'token' and other.name == 'token'
else:
return self.start > other.start
def __ge__(self, other):
if self.start == other.start:
return self.name != 'token' or other.name == 'token'
else:
return self.start > other.start
class PropertyAnnotation:
def __init__(self, attrs, lookup):
self.lookup = lookup
self.property_id = attrs['property_id']
self.tag_id = attrs['tag_id']
if self.property_id not in self.lookup[self.tag_id].properties:
raise Exception('Unknown property id: {}'.format(self.property_id))
self.value = property['value']
# TODO: Process attrs['possibleValues'] as self.labels (no id?)
@property
def name(self):
return self.lookup[self.tag_id].properties[self.property_id].name
class TagDefinition:
def __init__(self, attrs):
self.id = attrs['id']
self.name = attrs['name']
self.description = attrs.get('description', '')
self.properties = {
property_definition.id: property_definition
for property_definition in [
PropertyDefinition(x) for x in attrs.get('properties', [])
]
}
@property
def required_properties(self):
return {property.id: property for property in self.properties
if property.is_required}
class PropertyDefinition:
def __init__(self, attrs):
self.id = attrs['id']
self.name = attrs['name']
self.description = attrs.get('description', '')
self.flags = attrs.get('flags', [])
self.labels = attrs.get('labels', [])
@property
def is_required(self):
return 'required' in self.flags
@property
def has_multiple_values(self):
return 'multiple' in self.flags