Coverage for /wheeldirectory/casa-6.7.0-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_imsubimage.py: 89%

1import sys 

2 

3from casatools import regionmanager, image 

4from casatasks import casalog 

5from .ialib import write_image_history 

6 

7_rg = regionmanager( ) 

8 

9def imsubimage( 

10 imagename, outfile, box, region, chans, stokes, mask, dropdeg, 

11 overwrite, verbose, stretch, keepaxes 

12): 

13 casalog.origin('imsubimage') 

14 myia = image() 

15 myia.dohistory(False) 

16 outia = None 

17 tmp_csys = None 

18 try: 

19 if (not myia.open(imagename)): 

20 raise RuntimeError("Cannot create image analysis tool using " + imagename) 

21 if (len(outfile) == 0): 

22 raise ValueError("outfile must be specified.") 

23 xregion = region 

24 if (type(region) != type({})): 

25 tmp_csys = myia.coordsys() 

26 xregion = _rg.frombcs( 

27 csys=tmp_csys.torecord(), shape=myia.shape(), box=box, 

28 chans=chans, stokes=stokes, stokescontrol="a", region=region 

29 ) 

30 tmp_csys.done() 

31 outia = myia.subimage( 

32 outfile=outfile, region=xregion, mask=mask, dropdeg=dropdeg, 

33 overwrite=overwrite, list=verbose, stretch=stretch, keepaxes=keepaxes 

34 ) 

35 try: 

36 param_names = imsubimage.__code__.co_varnames[:imsubimage.__code__.co_argcount] 

37 vars = locals( ) 

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

39 

40 write_image_history( 

41 outia, sys._getframe().f_code.co_name, 

42 param_names, param_vals, casalog 

43 ) 

44 except Exception as instance: 

45 casalog.post("*** Error \'%s\' updating HISTORY" % (instance), 'WARN') 

46 

47 finally: 

48 myia.done() 

49 _rg.done() 

50 if outia: 

51 outia.done() 

52 if tmp_csys: 

53 tmp_csys.done() 

54