Coverage for /wheeldirectory/casa-6.7.0-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_importuvfits.py: 90%

1import os 

2 

3 

4from casatools import ms 

5from casatasks import casalog 

6from .mstools import write_history 

7 

8def importuvfits(fitsfile, vis, antnamescheme=None): 

9 """ 

10 

11 Convert a UVFITS file to a CASA visibility data set (MS): 

12 

13 Keyword arguments: 

14 fitsfile -- Name of input UV FITS file 

15 default = none; example='3C273XC1.fits' 

16 vis -- Name of output visibility file (MS) 

17 default = none; example: vis='3C273XC1.ms' 

18 antnamescheme -- Naming scheme for VLA/JVLA/CARMA antennas 

19 default = old; 

20 old: Antenna name is a number, '04' 

21 This option exists for backwards compatibility 

22 but can lead to ambiguous results when antenna 

23 indices are used for data selection. 

24 new: Antenna name is not a number, 'VA04' or 'EA04' 

25 With this scheme, data selection via 

26 antenna names and indices is non-ambiguous. 

27 default = false; do not run asychronously 

28 

29 

30 """ 

31 myms = ms() 

32 try: 

33 casalog.origin('importuvfits') 

34 casalog.post("") 

35 myms.fromfits(vis, fitsfile, antnamescheme=antnamescheme) 

36 myms.close() 

37 

38 # Write the args to HISTORY. 

39 try: 

40 param_names = importuvfits.__code__.co_varnames[:importuvfits.__code__.co_argcount] 

41 vars = locals( ) 

42 param_vals = [vars[p] for p in param_names] 

43 

44 write_history( 

45 myms, vis, 'importuvfits', param_names, 

46 param_vals, casalog 

47 ) 

48 except Exception: 

49 casalog.post("Failed to updated HISTORY table", 'WARN') 

50 

51 finally: 

52 if (myms): 

53 #myms.close() 

54 del myms 

55 

56