526 lines
22 KiB
Python
526 lines
22 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
|
|
# Copyright (C) 2021 Thomas Krijnen <thomas@aecgeeks.com>
|
|
#
|
|
# This file is part of IfcOpenShell.
|
|
#
|
|
# IfcOpenShell is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Lesser General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# IfcOpenShell is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
|
|
from __future__ import annotations
|
|
|
|
import json
|
|
import re
|
|
import types
|
|
from pathlib import Path
|
|
from typing import TYPE_CHECKING, Any, NoReturn, Optional, TypedDict, Union
|
|
|
|
import numpy as np
|
|
import numpy.typing as npt
|
|
|
|
import ifcopenshell
|
|
import ifcopenshell.util.attribute
|
|
import ifcopenshell.util.schema
|
|
|
|
from . import ifcopenshell_wrapper
|
|
from .entity_instance import entity_instance
|
|
from .file import file
|
|
|
|
if TYPE_CHECKING:
|
|
import sqlite3
|
|
|
|
try:
|
|
import sqlite3
|
|
except ImportError as e:
|
|
print(f"No SQL support: {e}")
|
|
|
|
|
|
class GeometryCache(TypedDict):
|
|
shapes: dict[int, GeometryCacheShape]
|
|
geometry: dict[str, GeometryCacheGeometry]
|
|
|
|
|
|
class GeometryCacheShape(TypedDict):
|
|
co: list[float]
|
|
"""Object location."""
|
|
matrix: npt.NDArray[np.float64]
|
|
geometry: Union[str, None]
|
|
"""Element's geometry id (same value as in ``Representation.id``).
|
|
|
|
Is set to ``None` when no geometry is available for the element.
|
|
"""
|
|
|
|
|
|
class GeometryCacheGeometry(TypedDict):
|
|
verts: npt.NDArray[np.float64]
|
|
edges: npt.NDArray[np.int32]
|
|
faces: npt.NDArray[np.int32]
|
|
material_ids: npt.NDArray[np.int32]
|
|
materials: list[int]
|
|
|
|
|
|
class sqlite(file):
|
|
mvd_str: str
|
|
"""As in `header.file_description.description`."""
|
|
|
|
def __init__(self, filepath: str):
|
|
"""
|
|
Open existing sqlite IFC database.
|
|
|
|
To create a new database from IFC file consider using Ifc2Sql IfcPatch:
|
|
|
|
https://docs.ifcopenshell.org/autoapi/ifcpatch/recipes/Ifc2Sql/index.html
|
|
|
|
:param filepath: Path to sqlite database.
|
|
"""
|
|
|
|
if not Path(filepath).exists():
|
|
raise FileNotFoundError(f"File doesn't exist: {filepath}")
|
|
|
|
self.history_size = 64
|
|
self.history = []
|
|
self.future = []
|
|
self.transaction = None
|
|
|
|
self.filepath = filepath
|
|
self.db = sqlite3.connect(self.filepath)
|
|
self.db.row_factory = sqlite3.Row
|
|
|
|
# import mysql.connector
|
|
# self.db = mysql.connector.connect(
|
|
# host="localhost",
|
|
# user="root",
|
|
# password="root",
|
|
# database="test"
|
|
# )
|
|
|
|
self.cursor = self.db.cursor()
|
|
|
|
try:
|
|
self.cursor.execute("SELECT preprocessor, schema, mvd FROM metadata LIMIT 1")
|
|
row = self.cursor.fetchone()
|
|
if row[0] != "IfcOpenShell-1.0.0":
|
|
assert False, "SQLite schema not supported."
|
|
except:
|
|
assert False, "SQLite schema not supported."
|
|
|
|
self._schema = row[1]
|
|
self.mvd_str = row[2]
|
|
self.ifc_schema = ifcopenshell.schema_by_name(self.schema)
|
|
|
|
self.cursor.execute("SELECT ifc_id, ifc_class FROM id_map")
|
|
self.id_map: dict[int, str] = {}
|
|
self.class_map: dict[str, list[int]] = {}
|
|
self.entity_cache: dict[int, sqlite_entity] = {}
|
|
for row in self.cursor.fetchall():
|
|
ifc_id, ifc_class = row
|
|
self.id_map[ifc_id] = ifc_class
|
|
self.class_map.setdefault(ifc_class, []).append(ifc_id)
|
|
|
|
self.preprocess_schema()
|
|
|
|
def preprocess_schema(self) -> None:
|
|
self.ifc_class_subtypes: dict[str, Any] = {}
|
|
self.ifc_class_attributes: dict[str, dict[str, ifcopenshell_wrapper.attribute]] = {}
|
|
self.ifc_class_inverse_attributes: dict[str, Any] = {}
|
|
self.ifc_class_references = {}
|
|
self.ifc_class_inverses = {}
|
|
|
|
for declaration in self.ifc_schema.entities():
|
|
# print('Dealing with declaration', declaration.name())
|
|
|
|
self.ifc_class_subtypes[declaration.name()] = ifcopenshell.util.schema.get_subtypes(declaration)
|
|
self.ifc_class_attributes[declaration.name()] = {a.name(): a for a in declaration.all_attributes()}
|
|
self.ifc_class_inverse_attributes[declaration.name()] = {
|
|
a.name(): a for a in declaration.all_inverse_attributes()
|
|
}
|
|
|
|
entity = []
|
|
entity_list = []
|
|
for attribute in declaration.all_attributes():
|
|
primitive = ifcopenshell.util.attribute.get_primitive_type(attribute)
|
|
if primitive == "entity":
|
|
entity.append(attribute.name())
|
|
|
|
attribute_entity = attribute.type_of_attribute().declared_type()
|
|
for subtype in ifcopenshell.util.schema.get_subtypes(attribute_entity):
|
|
self.ifc_class_inverses.setdefault(subtype.name(), {})
|
|
self.ifc_class_inverses[subtype.name()].setdefault(declaration.name(), [])
|
|
self.ifc_class_inverses[subtype.name()][declaration.name()].append(attribute.name())
|
|
|
|
elif self.is_entity_list(attribute):
|
|
# print('is an entity list', attribute.name())
|
|
entity_list.append(attribute.name())
|
|
|
|
for entity_name in re.findall("<entity (.*?)>", str(attribute)):
|
|
attribute_entity = self.ifc_schema.declaration_by_name(entity_name)
|
|
for subtype in ifcopenshell.util.schema.get_subtypes(attribute_entity):
|
|
# self.ifc_class_inverses.setdefault(subtype.name(), set()).add(declaration.name())
|
|
self.ifc_class_inverses.setdefault(subtype.name(), {})
|
|
self.ifc_class_inverses[subtype.name()].setdefault(declaration.name(), [])
|
|
self.ifc_class_inverses[subtype.name()][declaration.name()].append(attribute.name())
|
|
|
|
self.ifc_class_references[declaration.name()] = {"entity": entity, "entity_list": entity_list}
|
|
|
|
def clear_cache(self) -> None:
|
|
self.entity_cache = {}
|
|
|
|
def create_entity(self, type, *args, **kawrgs) -> NoReturn:
|
|
"""Not supported for sqlite database."""
|
|
assert False, "Not supported for sqlite database."
|
|
|
|
def by_id(self, id: int) -> Union[sqlite_entity, None]:
|
|
entity = self.entity_cache.get(id, None)
|
|
if entity:
|
|
return entity
|
|
ifc_class = self.id_map.get(id, None)
|
|
if ifc_class:
|
|
entity = sqlite_entity(id, ifc_class, self)
|
|
self.entity_cache[id] = entity
|
|
return entity
|
|
self.cursor.execute("SELECT ifc_id, ifc_class FROM id_map WHERE ifc_id = ? LIMIT 1", (id,))
|
|
row = self.cursor.fetchone()
|
|
if row:
|
|
_, ifc_class = row
|
|
self.id_map[id] = ifc_class
|
|
entity = sqlite_entity(id, ifc_class, self)
|
|
self.entity_cache[id] = entity
|
|
return entity
|
|
|
|
def by_type(self, type: str, include_subtypes: bool = True) -> list[sqlite_entity]:
|
|
# TODO use cached subtypes
|
|
import ifcopenshell.util.schema
|
|
|
|
if self.class_map:
|
|
results = []
|
|
subtypes = self.ifc_class_subtypes[type] if include_subtypes else self.ifc_class_subtypes[type][0:1]
|
|
for subtype in subtypes:
|
|
results.extend([self.by_id(i) for i in self.class_map.get(subtype.name(), [])])
|
|
return results
|
|
if include_subtypes:
|
|
declaration = self.ifc_schema.declaration_by_name(type)
|
|
subtypes = ",".join([f"'{st.name()}'" for st in ifcopenshell.util.schema.get_subtypes(declaration)])
|
|
self.cursor.execute(f"SELECT ifc_id, ifc_class FROM id_map WHERE ifc_class IN ({subtypes})")
|
|
rows = self.cursor.fetchall()
|
|
return [self.by_id(r[0]) for r in rows]
|
|
self.cursor.execute(f"SELECT ifc_id FROM id_map WHERE ifc_class='{type}'")
|
|
rows = self.cursor.fetchall()
|
|
return [self.by_id(r[0]) for r in rows]
|
|
|
|
def traverse(
|
|
self, inst: sqlite_entity, max_levels: Optional[int] = None, breadth_first: bool = False
|
|
) -> list[sqlite_entity]:
|
|
results = [inst]
|
|
queue = [inst]
|
|
while queue:
|
|
if max_levels is not None:
|
|
max_levels -= 1
|
|
|
|
cur = queue.pop()
|
|
reference_attributes = self.ifc_class_references[cur.sqlite_wrapper.ifc_class]
|
|
attributes = reference_attributes["entity"] + reference_attributes["entity_list"]
|
|
if not attributes:
|
|
continue
|
|
|
|
for attribute in attributes:
|
|
result = getattr(cur, attribute, [])
|
|
if not result:
|
|
continue
|
|
elif isinstance(result, tuple):
|
|
results.extend(result)
|
|
if max_levels is None or max_levels:
|
|
queue.extend(result)
|
|
else:
|
|
results.append(result)
|
|
if max_levels is None or max_levels:
|
|
queue.append(result)
|
|
# print('traverse results', results)
|
|
return results
|
|
|
|
def get_inverse(
|
|
self, inst: sqlite_entity, allow_duplicate: bool = False, with_attribute_indices: bool = False
|
|
) -> set[sqlite_entity]:
|
|
query = (
|
|
f"SELECT inverses FROM {inst.sqlite_wrapper.ifc_class} WHERE `ifc_id` = {inst.sqlite_wrapper.id} LIMIT 1"
|
|
)
|
|
self.cursor.execute(query)
|
|
row = self.cursor.fetchone()
|
|
if not row or not row[0]:
|
|
return set()
|
|
return {self.by_id(e) for e in json.loads(row[0])}
|
|
|
|
def is_entity_list(self, attribute: ifcopenshell_wrapper.attribute) -> bool:
|
|
attribute = str(attribute.type_of_attribute())
|
|
if (attribute.startswith("<list") or attribute.startswith("<set")) and "<entity" in attribute:
|
|
for data_type in re.findall("<(.*?) .*?>", attribute):
|
|
if data_type not in ("list", "set", "select", "entity"):
|
|
return False
|
|
return True
|
|
return False
|
|
|
|
def get_geometry(self, ids: list[int]) -> GeometryCache:
|
|
import numpy as np
|
|
|
|
ids_csv = ",".join(map(str, ids))
|
|
query = f"SELECT ifc_id, x, y, z, matrix, geometry, verts, edges, faces, material_ids, materials FROM shape LEFT JOIN geometry ON shape.geometry = geometry.id WHERE `ifc_id` IN ({ids_csv})"
|
|
self.cursor.execute(query)
|
|
rows = self.cursor.fetchall()
|
|
shapes: dict[int, GeometryCacheShape] = {}
|
|
geometry: dict[str, GeometryCacheGeometry] = {}
|
|
for row in rows:
|
|
if row["geometry"] and row["geometry"] not in geometry:
|
|
# Same data types as in ifcopenshell.util.shape.
|
|
geometry[row["geometry"]] = {
|
|
"verts": np.frombuffer(row["verts"], dtype="d") if row["verts"] else np.empty(0, dtype="d"),
|
|
"edges": np.frombuffer(row["edges"], dtype="i") if row["edges"] else np.empty(0, dtype="i"),
|
|
"faces": np.frombuffer(row["faces"], dtype="i") if row["faces"] else np.empty(0, dtype="i"),
|
|
"material_ids": (
|
|
np.frombuffer(row["material_ids"], dtype="i") if row["material_ids"] else np.empty(0, dtype="i")
|
|
),
|
|
"materials": json.loads(row["materials"]) if row["materials"] else [],
|
|
}
|
|
shapes[row["ifc_id"]] = {
|
|
"co": [row["x"], row["y"], row["z"]],
|
|
"matrix": np.copy(np.frombuffer(row["matrix"], dtype="d").reshape((4, 4))),
|
|
"geometry": row["geometry"],
|
|
}
|
|
ids_without_geometry = set(ids) - set(shapes.keys())
|
|
for id in ids_without_geometry:
|
|
shapes[id] = {
|
|
"co": [0.0, 0.0, 0.0],
|
|
"matrix": np.eye(4),
|
|
"geometry": None,
|
|
}
|
|
return {"shapes": shapes, "geometry": geometry}
|
|
|
|
def __del__(self) -> None:
|
|
# Override to avoid clean up data unrelated to sqlite file.
|
|
pass
|
|
|
|
@property
|
|
def wrapped_data(self) -> NoReturn: # pyright: ignore[reportIncompatibleVariableOverride]
|
|
class_name = type(self).__name__
|
|
raise Exception(
|
|
f"No `wrapped_data` for {class_name}. `ifcopenshell.{class_name}` is probably confused with `ifcopenshell.file`."
|
|
)
|
|
|
|
@property
|
|
def schema(self) -> ifcopenshell.util.schema.IFC_SCHEMA:
|
|
return self._schema
|
|
|
|
@property
|
|
def schema_identifier(self) -> str:
|
|
# The best option we've got for mimicing `file.schema_identifier`.
|
|
return self._schema
|
|
|
|
@property
|
|
def header(self) -> types.SimpleNamespace:
|
|
# Mimicking `file_header` object from `ifcopenshell.file`.
|
|
header = types.SimpleNamespace(
|
|
file_description=types.SimpleNamespace(description=(self.mvd_str,)),
|
|
)
|
|
return header
|
|
|
|
|
|
class sqlite_entity(entity_instance):
|
|
sqlite_wrapper: sqlite_wrapper
|
|
|
|
def __init__(self, id: int, ifc_class: str, file: sqlite = None):
|
|
if not ifc_class:
|
|
print(id, ifc_class, file)
|
|
assert False
|
|
e = ifcopenshell_wrapper.new_IfcBaseClass(file.schema, ifc_class)
|
|
s = sqlite_wrapper(id, ifc_class, file)
|
|
super(entity_instance, self).__setattr__("wrapped_data", e)
|
|
super(entity_instance, self).__setattr__("sqlite_wrapper", s)
|
|
|
|
def id(self) -> int:
|
|
return self.sqlite_wrapper.id
|
|
|
|
def __del__(self) -> None:
|
|
pass
|
|
|
|
def __getitem__(self, key: int) -> Any:
|
|
return self.__getattr__(list(self.sqlite_wrapper.attributes.keys())[key])
|
|
|
|
def __setattr__(self, key: str, value: Any) -> None:
|
|
# query = f"UPDATE `{self.sqlite_wrapper.ifc_class}` SET `{key}`='' WHERE `ifc_id` = {self.sqlite_wrapper.id}"
|
|
query = f"UPDATE `{self.sqlite_wrapper.ifc_class}` SET `{key}` = ? WHERE ifc_id = {self.sqlite_wrapper.id}"
|
|
self.sqlite_wrapper.file.cursor.execute(query, (value,))
|
|
self.sqlite_wrapper.file.db.commit()
|
|
self.sqlite_wrapper.attribute_cache = {}
|
|
|
|
def __getattr__(self, name: str) -> Any:
|
|
# print("*" * 100)
|
|
# print("GETATTR", self.sqlite_wrapper.id, self.sqlite_wrapper.ifc_class, name)
|
|
|
|
INVALID, FORWARD, INVERSE = range(3)
|
|
attr_cat = self.wrapped_data.get_attribute_category(name)
|
|
if attr_cat == FORWARD:
|
|
if self.sqlite_wrapper.attribute_cache:
|
|
# print(self.sqlite_wrapper.ifc_class)
|
|
# print(self.sqlite_wrapper.attribute_cache)
|
|
return self.sqlite_wrapper.attribute_cache[name]
|
|
|
|
# print('first time for', self.sqlite_wrapper.ifc_class)
|
|
|
|
# print("IT IS A FORWARD")
|
|
query = f"SELECT * FROM {self.sqlite_wrapper.ifc_class} WHERE `ifc_id` = {self.sqlite_wrapper.id} LIMIT 1"
|
|
self.sqlite_wrapper.file.cursor.execute(query)
|
|
row = self.sqlite_wrapper.file.cursor.fetchone()
|
|
|
|
for attribute in self.sqlite_wrapper.attributes.values():
|
|
# attribute = self.sqlite_wrapper.attributes[name]
|
|
aname = attribute.name()
|
|
primitive = ifcopenshell.util.attribute.get_primitive_type(attribute)
|
|
|
|
if not row or row[aname] is None:
|
|
self.sqlite_wrapper.attribute_cache[aname] = None
|
|
elif primitive == "entity":
|
|
self.sqlite_wrapper.attribute_cache[aname] = self.sqlite_wrapper.file.by_id(row[aname])
|
|
elif isinstance(primitive, tuple):
|
|
if isinstance(row[aname], int):
|
|
self.sqlite_wrapper.attribute_cache[aname] = self.sqlite_wrapper.file.by_id(row[aname])
|
|
else:
|
|
self.sqlite_wrapper.attribute_cache[aname] = self.unserialise_value(json.loads(row[aname]))
|
|
else:
|
|
self.sqlite_wrapper.attribute_cache[aname] = row[aname]
|
|
if isinstance(self.sqlite_wrapper.attribute_cache[aname], list):
|
|
self.sqlite_wrapper.attribute_cache[aname] = tuple(self.sqlite_wrapper.attribute_cache[aname])
|
|
return self.sqlite_wrapper.attribute_cache[name]
|
|
elif attr_cat == INVERSE:
|
|
if self.sqlite_wrapper.inverse_attribute_cache:
|
|
results = self.sqlite_wrapper.inverse_attribute_cache.get(name, None)
|
|
if results is not None:
|
|
return results
|
|
|
|
results = []
|
|
|
|
query = f"SELECT inverses FROM {self.sqlite_wrapper.ifc_class} WHERE `ifc_id` = {self.sqlite_wrapper.id} LIMIT 1"
|
|
self.sqlite_wrapper.file.cursor.execute(query)
|
|
row = self.sqlite_wrapper.file.cursor.fetchone()
|
|
if not row or not row[0]:
|
|
self.sqlite_wrapper.inverse_attribute_cache[name] = tuple()
|
|
return self.sqlite_wrapper.inverse_attribute_cache[name]
|
|
|
|
attribute = self.sqlite_wrapper.inverse_attributes[name]
|
|
entity_class = attribute.entity_reference().name()
|
|
declaration = self.sqlite_wrapper.file.ifc_schema.declaration_by_name(entity_class)
|
|
forward_name = attribute.attribute_reference().name()
|
|
|
|
subtypes = [st.name() for st in ifcopenshell.util.schema.get_subtypes(declaration)]
|
|
element_ids = json.loads(row[0])
|
|
for element_id in element_ids:
|
|
ifc_class = self.sqlite_wrapper.file.id_map[element_id]
|
|
if ifc_class in subtypes:
|
|
potential_result = self.sqlite_wrapper.file.by_id(element_id)
|
|
forward_value = getattr(potential_result, forward_name, None)
|
|
if not forward_value:
|
|
pass
|
|
elif isinstance(forward_value, tuple):
|
|
if self.sqlite_wrapper.id in [e.id() for e in forward_value]:
|
|
results.append(potential_result)
|
|
elif forward_value.id() == self.sqlite_wrapper.id:
|
|
results.append(potential_result)
|
|
|
|
self.sqlite_wrapper.inverse_attribute_cache[name] = tuple(results)
|
|
return self.sqlite_wrapper.inverse_attribute_cache[name]
|
|
|
|
raise AttributeError(
|
|
"entity instance of type '%s' has no attribute '%s'" % (self.wrapped_data.is_a(True), name)
|
|
)
|
|
|
|
def unserialise_value(self, value):
|
|
if isinstance(value, (tuple, list)):
|
|
for i, value2 in enumerate(value):
|
|
value[i] = self.unserialise_value(value2)
|
|
return value
|
|
elif isinstance(value, int):
|
|
return self.sqlite_wrapper.file.by_id(value)
|
|
elif isinstance(value, dict):
|
|
value2 = ifcopenshell.create_entity(value["type"])
|
|
value2[0] = value["value"]
|
|
return value2
|
|
return value
|
|
|
|
def __eq__(self, other: sqlite_entity) -> bool:
|
|
if not isinstance(self, type(other)):
|
|
return False
|
|
elif None in (self.sqlite_wrapper.file, other.sqlite_wrapper.file):
|
|
assert False # not implemented
|
|
if self.sqlite_wrapper.id:
|
|
return self.sqlite_wrapper.id == other.sqlite_wrapper.id
|
|
assert False # not implemented
|
|
|
|
def __repr__(self):
|
|
sqlite_wrapper = self.sqlite_wrapper
|
|
attribute_cache = sqlite_wrapper.attribute_cache
|
|
attr_strs: list[str] = []
|
|
|
|
if not attribute_cache:
|
|
self.__getitem__(0) # This will get all attributes
|
|
|
|
def serialize_attr_value(value: Any) -> str:
|
|
if value is None:
|
|
attr_str = "$"
|
|
# Enums are not represented correctly but that should do.
|
|
elif isinstance(value, str):
|
|
attr_str = f"'{value}'"
|
|
elif isinstance(value, (int, float)):
|
|
attr_str = str(value)
|
|
elif isinstance(value, sqlite_entity):
|
|
attr_str = f"#{value.sqlite_wrapper.id}"
|
|
elif isinstance(value, entity_instance):
|
|
attr_str = str(value)
|
|
elif isinstance(value, tuple):
|
|
attr_str = ",".join(serialize_attr_value(v) for v in value)
|
|
attr_str = f"({attr_str})"
|
|
else:
|
|
attr_str = f"-"
|
|
return attr_str
|
|
|
|
for attr_name in sqlite_wrapper.attributes:
|
|
value = attribute_cache[attr_name]
|
|
attr_strs.append(serialize_attr_value(value))
|
|
attr_str = ",".join(attr_strs)
|
|
return f"#{sqlite_wrapper.id}={sqlite_wrapper.ifc_class.upper()}({attr_str});"
|
|
|
|
def __hash__(self) -> int:
|
|
if self.sqlite_wrapper.id:
|
|
return hash((self.sqlite_wrapper.id, self.sqlite_wrapper.file.filepath))
|
|
|
|
def get_info(
|
|
self, include_identifier=True, recursive=False, return_type=dict, ignore=(), scalar_only=False
|
|
) -> dict[str, Any]:
|
|
info = {"id": self.sqlite_wrapper.id, "type": self.sqlite_wrapper.ifc_class}
|
|
if not self.sqlite_wrapper.attribute_cache:
|
|
self.__getitem__(0) # This will get all attributes
|
|
info.update(self.sqlite_wrapper.attribute_cache)
|
|
return info
|
|
|
|
@property
|
|
def file(self) -> sqlite:
|
|
return self.sqlite_wrapper.file
|
|
|
|
|
|
class sqlite_wrapper:
|
|
def __init__(self, id: int, ifc_class: str, file: sqlite):
|
|
self.id = id
|
|
self.ifc_class = ifc_class
|
|
self.file = file
|
|
self.attributes = self.file.ifc_class_attributes[self.ifc_class]
|
|
self.inverse_attributes = self.file.ifc_class_inverse_attributes[self.ifc_class]
|
|
self.attribute_cache: dict[str, Any] = {}
|
|
self.inverse_attribute_cache = {}
|
|
|
|
def __repr__(self) -> str:
|
|
return f"sqlite_wrapper '#{self.id}={self.ifc_class}(...)'"
|