LSST Applications  21.0.0-147-g0e635eb1+1acddb5be5,22.0.0+052faf71bd,22.0.0+1ea9a8b2b2,22.0.0+6312710a6c,22.0.0+729191ecac,22.0.0+7589c3a021,22.0.0+9f079a9461,22.0.1-1-g7d6de66+b8044ec9de,22.0.1-1-g87000a6+536b1ee016,22.0.1-1-g8e32f31+6312710a6c,22.0.1-10-gd060f87+016f7cdc03,22.0.1-12-g9c3108e+df145f6f68,22.0.1-16-g314fa6d+c825727ab8,22.0.1-19-g93a5c75+d23f2fb6d8,22.0.1-19-gb93eaa13+aab3ef7709,22.0.1-2-g8ef0a89+b8044ec9de,22.0.1-2-g92698f7+9f079a9461,22.0.1-2-ga9b0f51+052faf71bd,22.0.1-2-gac51dbf+052faf71bd,22.0.1-2-gb66926d+6312710a6c,22.0.1-2-gcb770ba+09e3807989,22.0.1-20-g32debb5+b8044ec9de,22.0.1-23-gc2439a9a+fb0756638e,22.0.1-3-g496fd5d+09117f784f,22.0.1-3-g59f966b+1e6ba2c031,22.0.1-3-g849a1b8+f8b568069f,22.0.1-3-gaaec9c0+c5c846a8b1,22.0.1-32-g5ddfab5d3+60ce4897b0,22.0.1-4-g037fbe1+64e601228d,22.0.1-4-g8623105+b8044ec9de,22.0.1-5-g096abc9+d18c45d440,22.0.1-5-g15c806e+57f5c03693,22.0.1-7-gba73697+57f5c03693,master-g6e05de7fdc+c1283a92b8,master-g72cdda8301+729191ecac,w.2021.39
LSST Data Management Base Package
_configurableActionField.py
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1 # This file is part of pipe_tasks.
2 #
3 # Developed for the LSST Data Management System.
4 # This product includes software developed by the LSST Project
5 # (https://www.lsst.org).
6 # See the COPYRIGHT file at the top-level directory of this distribution
7 # for details of code ownership.
8 #
9 # This program is free software: you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation, either version 3 of the License, or
12 # (at your option) any later version.
13 #
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
18 #
19 # You should have received a copy of the GNU General Public License
20 # along with this program. If not, see <https://www.gnu.org/licenses/>.
21 from __future__ import annotations
22 
23 __all__ = ("ConfigurableActionField",)
24 
25 from lsst.pex.config import ConfigField, FieldValidationError
26 from lsst.pex.config.config import _typeStr, _joinNamePath
27 from lsst.pex.config.callStack import getCallStack
28 
29 from . import ConfigurableAction
30 
31 
33  """`ConfigurableActionField` is a subclass of `~lsst.pex.config.Field` that
34  allows a single `ConfigurableAction` (or a subclass of thus) to be
35  assigned to it. The `ConfigurableAction` is then accessed through this
36  field for further configuration.
37 
38  Any configuration that is done prior to reasignment to a new
39  `ConfigurableAction` is forgotten.
40  """
41  # These attributes are dynamically assigned when constructing the base
42  # classes
43  name: str
44 
45  def __set__(self, instance, value, at=None, label="assignment"):
46  if instance._frozen:
47  raise FieldValidationError(self, instance,
48  "Cannot modify a frozen Config")
49  name = _joinNamePath(prefix=instance._name, name=self.name)
50 
51  if not isinstance(value, self.dtypedtype) and not issubclass(value, self.dtypedtype):
52  msg = f"Value {value} is of incorrect type {_typeStr(value)}. Expected {_typeStr(self.dtype)}"
53  raise FieldValidationError(self, instance, msg)
54 
55  if at is None:
56  at = getCallStack()
57 
58  if isinstance(value, self.dtypedtype):
59  instance._storage[self.name] = type(value)(__name=name, __at=at,
60  __label=label, **value._storage)
61  else:
62  instance._storage[self.name] = value(__name=name, __at=at, __label=label)
63  history = instance._history.setdefault(self.name, [])
64  history.append(("config value set", at, label))
65 
66  def __init__(self, doc, dtype=ConfigurableAction, default=None, check=None, deprecated=None):
67  if not issubclass(dtype, ConfigurableAction):
68  raise ValueError("dtype must be a subclass of ConfigurableAction")
69  super().__init__(doc=doc, dtype=dtype, default=default, check=check, deprecated=deprecated)
table::Key< int > type
Definition: Detector.cc:163
def __init__(self, doc, dtype=ConfigurableAction, default=None, check=None, deprecated=None)
def getCallStack(skip=0)
Definition: callStack.py:175