Coverage for /wheeldirectory/casa-6.7.0-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_clearcal.py: 88%

1import os 

2 

3from casatools import calibrater, table, ms 

4from casatasks import casalog 

5from .mstools import write_history 

6from .parallel.parallel_data_helper import ParallelDataHelper 

7from .parallel.parallel_task_helper import ParallelTaskHelper 

8 

9def clearcal( 

10 vis=None, 

11 field=None, 

12 spw=None, 

13 intent=None, 

14 addmodel=None, 

15 ): 

16 

17 casalog.origin('clearcal') 

18 

19 # Do the trivial parallelization 

20 if ParallelDataHelper.isMMSAndNotServer(vis): 

21 helper = ParallelTaskHelper('clearcal', locals()) 

22 helper.go() 

23 return 

24 

25 # Local versions of the tools 

26 tblocal = table() 

27 cblocal = calibrater() 

28 mslocal = ms() 

29 

30 # we will initialize scr cols only if we don't create them 

31 doinit = False 

32 

33 if (type(vis) == str) & os.path.exists(vis): 

34 tblocal.open(vis) 

35 doinit = tblocal.colnames().count('CORRECTED_DATA') > 0 

36 tblocal.close() 

37 

38 # We ignore selection if creating the scratch columns 

39 if not doinit: 

40 casalog.post('Need to create scratch columns; ignoring selection.') 

41 

42 cblocal.setvi(old=True,quiet=False); # Old VI for now 

43 cblocal.open(vis, addmodel=addmodel) 

44 else: 

45 raise Exception('Visibility data set not found - please verify the name') 

46 

47 # If necessary (scr col not just created), initialize scr cols 

48 if doinit: 

49 cblocal.selectvis(field=field, spw=spw, intent=intent) 

50 cblocal.initcalset(1) 

51 cblocal.close() 

52 

53 # Write history to the MS 

54 local_vars = locals( ) 

55 param_names = clearcal.__code__.co_varnames[:clearcal.__code__.co_argcount] 

56 param_vals = [local_vars[p] for p in param_names] 

57 

58 casalog.post('Updating the history in the output', 'DEBUG1') 

59 write_history(mslocal, vis, 'clearcal', param_names, 

60 param_vals, casalog) 

61