Coverage for python/lsst/cp/verify/utils.py: 13%

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1# This file is part of cp_verify. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://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 <http://www.gnu.org/licenses/>. 

21__all__ = ['mergeStatDict'] 

22 

23 

24def mergeStatDict(statDictA, statDictB): 

25 """Merge one dictionary of statistics with another. 

26 

27 Parameters 

28 ---------- 

29 statDictA, statDictB : `dict` [`str`, `dict`] 

30 Input dictionaries of statistics. 

31 

32 Returns 

33 ------- 

34 output : `dict` [`str`, `dict`] 

35 A dictionary containing the union of the internal 

36 dictionaries of ``statDictA`` and ``statDictB``, indexed 

37 by the amplifier names. 

38 

39 Raises 

40 ------ 

41 RuntimeError : 

42 Raised if the merge would overwrite a key/value pair, or if 

43 the amplifier names do not match between the two inputs. 

44 """ 

45 if set(statDictA.keys()) != set(statDictB.keys()): 

46 raise RuntimeError(f"Mismatch in amplifier names: {statDictA.keys()} {statDictB.keys()}") 

47 

48 for amp in statDictA.keys(): 

49 if not statDictA[amp].keys().isdisjoint(statDictB[amp].keys()): 

50 raise RuntimeError(f"Duplicate keys passed: {statDictA[amp].keys()} {statDictB[amp].keys()}") 

51 statDictA[amp].update(statDictB[amp]) 

52 return statDictA