LSST Applications  21.0.0-172-gfb10e10a+18fedfabac,22.0.0+297cba6710,22.0.0+80564b0ff1,22.0.0+8d77f4f51a,22.0.0+a28f4c53b1,22.0.0+dcf3732eb2,22.0.1-1-g7d6de66+2a20fdde0d,22.0.1-1-g8e32f31+297cba6710,22.0.1-1-geca5380+7fa3b7d9b6,22.0.1-12-g44dc1dc+2a20fdde0d,22.0.1-15-g6a90155+515f58c32b,22.0.1-16-g9282f48+790f5f2caa,22.0.1-2-g92698f7+dcf3732eb2,22.0.1-2-ga9b0f51+7fa3b7d9b6,22.0.1-2-gd1925c9+bf4f0e694f,22.0.1-24-g1ad7a390+a9625a72a8,22.0.1-25-g5bf6245+3ad8ecd50b,22.0.1-25-gb120d7b+8b5510f75f,22.0.1-27-g97737f7+2a20fdde0d,22.0.1-32-gf62ce7b1+aa4237961e,22.0.1-4-g0b3f228+2a20fdde0d,22.0.1-4-g243d05b+871c1b8305,22.0.1-4-g3a563be+32dcf1063f,22.0.1-4-g44f2e3d+9e4ab0f4fa,22.0.1-42-gca6935d93+ba5e5ca3eb,22.0.1-5-g15c806e+85460ae5f3,22.0.1-5-g58711c4+611d128589,22.0.1-5-g75bb458+99c117b92f,22.0.1-6-g1c63a23+7fa3b7d9b6,22.0.1-6-g50866e6+84ff5a128b,22.0.1-6-g8d3140d+720564cf76,22.0.1-6-gd805d02+cc5644f571,22.0.1-8-ge5750ce+85460ae5f3,master-g6e05de7fdc+babf819c66,master-g99da0e417a+8d77f4f51a,w.2021.48
LSST Data Management Base Package
transformFromString.py
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1 # This product includes software developed by the LSST Project
2 # (https://www.lsst.org).
3 # See the COPYRIGHT file at the top-level directory of this distribution
4 # for details of code ownership.
5 #
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
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17 # along with this program. If not, see <https://www.gnu.org/licenses/>.
18 
19 from ._python import transformRegistry
20 
21 __all__ = ["transformFromString"]
22 
23 
25  """Read a Transform from a string that was saved using
26  ``Transform.writeString``
27 
28  Unlike ``Transform.readString``, you need not know the ``Transform`` class in
29  advance
30 
31  Parameters
32  ----------
33  data : `str`
34  A string in the format produced by ``Transform.writeString``.
35 
36  Returns
37  -------
38  transform : a ``Transform`` class
39  An object of the same type used to create ``data``.
40  """
41  version, transformClassName, remainder = data.split(" ", 2)
42  try:
43  transformClass = transformRegistry[transformClassName]
44  except LookupError:
45  raise RuntimeError(f"Unknown transform class {transformClassName!r}")
46 
47  return transformClass.readString(data)