Kedro-viz displaying empty pipeline visualization

Description

When I run kedro-viz from the command line, I get an error. I work with pyspark and python

Context

Can’t visualize kedro pipelines and datasets graph

Steps to Reproduce

I tried with two different kedro versions 4.0.0 and 4.3.1

Expected Result

Visualize the pipelines graph in the browser

Actual Result

I get the following errors

importlib; see the module's documentation for alternative uses
  from imp import load_source
Traceback (most recent call last):
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 3250, in _wrap_pool_connect
    return fn()
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 310, in connect
    return _ConnectionFairy._checkout(self)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 868, in _checkout
    fairy = _ConnectionRecord.checkout(pool)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 476, in checkout
    rec = pool._do_get()
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/impl.py", line 256, in _do_get
    return self._create_connection()
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 256, in _create_connection
    return _ConnectionRecord(self)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 371, in __init__
    self.__connect()
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 666, in __connect
    pool.logger.debug("Error on connect(): %s", e)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__
    compat.raise_(
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/util/compat.py", line 207, in raise_
    raise exception
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 661, in __connect
    self.dbapi_connection = connection = pool._invoke_creator(self)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/create.py", line 590, in connect
    return dialect.connect(*cargs, **cparams)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/default.py", line 597, in connect
    return self.dbapi.connect(*cargs, **cparams)
sqlite3.OperationalError: unable to open database file

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/kedro_viz/launchers/cli.py", line 129, in viz
    run_server(**run_server_kwargs)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/kedro_viz/server.py", line 110, in run_server
    populate_data(data_access_manager, catalog, pipelines, session_store_location)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/kedro_viz/server.py", line 65, in populate_data
    Base.metadata.create_all(bind=database_engine)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/sql/schema.py", line 4785, in create_all
    bind._run_ddl_visitor(
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 3116, in _run_ddl_visitor
    with self.begin() as conn:
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 3032, in begin
    conn = self.connect(close_with_result=close_with_result)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 3204, in connect
    return self._connection_cls(self, close_with_result=close_with_result)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 96, in __init__
    else engine.raw_connection()
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 3283, in raw_connection
    return self._wrap_pool_connect(self.pool.connect, _connection)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 3253, in _wrap_pool_connect
    Connection._handle_dbapi_exception_noconnection(
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 2100, in _handle_dbapi_exception_noconnection
    util.raise_(
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/util/compat.py", line 207, in raise_
    raise exception
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 3250, in _wrap_pool_connect
    return fn()
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 310, in connect
    return _ConnectionFairy._checkout(self)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 868, in _checkout
    fairy = _ConnectionRecord.checkout(pool)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 476, in checkout
    rec = pool._do_get()
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/impl.py", line 256, in _do_get
    return self._create_connection()
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 256, in _create_connection
    return _ConnectionRecord(self)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 371, in __init__
    self.__connect()
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 666, in __connect
    pool.logger.debug("Error on connect(): %s", e)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__
    compat.raise_(
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/util/compat.py", line 207, in raise_
    raise exception
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/pool/base.py", line 661, in __connect
    self.dbapi_connection = connection = pool._invoke_creator(self)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/create.py", line 590, in connect
    return dialect.connect(*cargs, **cparams)
  File "/Users/scarvajalg/PycharmProjects/data_engineering/venv/lib/python3.8/site-packages/sqlalchemy/engine/default.py", line 597, in connect
    return self.dbapi.connect(*cargs, **cparams)
sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) unable to open database file
(Background on this error at: https://sqlalche.me/e/14/e3q8)
kedro.framework.cli.utils.KedroCliError: (sqlite3.OperationalError) unable to open database file
(Background on this error at: https://sqlalche.me/e/14/e3q8)
Run with --verbose to see the full exception
Error: (sqlite3.OperationalError) unable to open database file
(Background on this error at: https://sqlalche.me/e/14/e3q8)

Your Environment

Include as many relevant details as possible about the environment you experienced the bug in:

• Web browser system and version: Google Chrome 96.0.4664.110
• Operating system and version: MacOS Monterrey 12.2.1
• NodeJS version used (if relevant):
• Kedro version used (if relevant): 0.17.6
• Python version used (if relevant): 3.8.12
• Spark version used: 3.2.1
• Scala version used: 2.12.15
• Java version used: 1.8.0_321

Checklist

• visualization

[AntonyMilneQB]

Excellent, thanks very much for letting us know. This fix will be included in the next release of kedro-viz, so when that is released you should just be able to pip install kedro-viz==4.3.2 and all will be good.

[jw-cpnet]

Thank you! @AntonyMilneQB

The fix works perfectly! And yes, kedro viz (before fixing) without pipeline argument works too.