LSST Applications g04e9c324dd+8c5ae1fdc5,g134cb467dc+b203dec576,g18429d2f64+358861cd2c,g199a45376c+0ba108daf9,g1fd858c14a+dd066899e3,g262e1987ae+ebfced1d55,g29ae962dfc+72fd90588e,g2cef7863aa+aef1011c0b,g35bb328faa+8c5ae1fdc5,g3fd5ace14f+b668f15bc5,g4595892280+3897dae354,g47891489e3+abcf9c3559,g4d44eb3520+fb4ddce128,g53246c7159+8c5ae1fdc5,g67b6fd64d1+abcf9c3559,g67fd3c3899+1f72b5a9f7,g74acd417e5+cb6b47f07b,g786e29fd12+668abc6043,g87389fa792+8856018cbb,g89139ef638+abcf9c3559,g8d7436a09f+bcf525d20c,g8ea07a8fe4+9f5ccc88ac,g90f42f885a+6054cc57f1,g97be763408+06f794da49,g9dd6db0277+1f72b5a9f7,ga681d05dcb+7e36ad54cd,gabf8522325+735880ea63,gac2eed3f23+abcf9c3559,gb89ab40317+abcf9c3559,gbf99507273+8c5ae1fdc5,gd8ff7fe66e+1f72b5a9f7,gdab6d2f7ff+cb6b47f07b,gdc713202bf+1f72b5a9f7,gdfd2d52018+8225f2b331,ge365c994fd+375fc21c71,ge410e46f29+abcf9c3559,geaed405ab2+562b3308c0,gf9a733ac38+8c5ae1fdc5,w.2025.35
LSST Data Management Base Package
Loading...
Searching...
No Matches
lsst.dax.apdb.scripts.create_cassandra Namespace Reference

Functions

None create_cassandra (str output_config, str|None ra_dec_columns, str|None table_options=None, **Any kwargs)
 
CreateTableOptions|None _read_table_options (str|None table_options=None)
 

Function Documentation

◆ _read_table_options()

CreateTableOptions | None lsst.dax.apdb.scripts.create_cassandra._read_table_options ( str | None table_options = None)
protected
Read contents of the table options file.

Definition at line 70 of file create_cassandra.py.

70def _read_table_options(table_options: str | None = None) -> CreateTableOptions | None:
71 """Read contents of the table options file."""
72 if not table_options:
73 return None
74
75 res = ResourcePath(table_options)
76 content = res.read()
77 stream = io.BytesIO(content)
78 if model_data := yaml.load(stream, Loader=yaml.SafeLoader):
79 return CreateTableOptions.model_validate(model_data)
80 return None

◆ create_cassandra()

None lsst.dax.apdb.scripts.create_cassandra.create_cassandra ( str output_config,
str | None ra_dec_columns,
str | None table_options = None,
**Any kwargs )
Create new APDB instance in Cassandra cluster.

Parameters
----------
output_config : `str`
    Name of the file to write APDB configuration.
ra_dec_columns : `str` or `None`
    Comma-separated list of names for ra/dec columns in DiaObject table.
table_options : `str`, optional
    Path or URI of the YAML file with table options.
**kwargs
    Keyword arguments passed to `ApdbCassandra.init_database` method.

Definition at line 37 of file create_cassandra.py.

39) -> None:
40 """Create new APDB instance in Cassandra cluster.
41
42 Parameters
43 ----------
44 output_config : `str`
45 Name of the file to write APDB configuration.
46 ra_dec_columns : `str` or `None`
47 Comma-separated list of names for ra/dec columns in DiaObject table.
48 table_options : `str`, optional
49 Path or URI of the YAML file with table options.
50 **kwargs
51 Keyword arguments passed to `ApdbCassandra.init_database` method.
52 """
53 options = _read_table_options(table_options)
54 ra_dec_tuple: tuple[str, str] | None = None
55 if ra_dec_columns:
56 ra_dec_list = ra_dec_columns.split(",")
57 if len(ra_dec_list) != 2:
58 raise ValueError(f"--ra-dec-columns must specify exactly two columns: {ra_dec_columns}")
59 ra_dec_tuple = (ra_dec_list[0], ra_dec_list[1])
60 kwargs["hosts"] = kwargs.pop("host")
61 config = ApdbCassandra.init_database(ra_dec_columns=ra_dec_tuple, table_options=options, **kwargs)
62 config.save(output_config)
63 if output_config.endswith(".py"):
64 warnings.warn(
65 "APDB configuration is now saved in YAML format, "
66 "output file should use .yaml extension instead of .py."
67 )
68
69