Coverage for /wheeldirectory/casa-6.7.0-12-py3.10.el8/lib/py/lib/python3.10/site-packages/casatasks/private/task_imrebin.py: 76%

1import sys 

2 

3from casatools import image, regionmanager 

4from casatasks import casalog 

5from .ialib import write_image_history 

6 

7def imrebin( 

8 imagename, outfile, factor, region, box, chans, stokes, mask, 

9 dropdeg, overwrite, stretch, crop 

10): 

11 casalog.origin('imrebin') 

12 valid = True 

13 # because there is a bug in the tasking layer that allows float 

14 # arrays through when the spec is for intArray 

15 for x in factor: 

16 if x != int(x): 

17 valid = False 

18 break 

19 if not valid: 

20 for i in range(len(factor)): 

21 factor[i] = int(factor[i]) 

22 casalog.post( 

23 "factor is not an int array, it will be adjusted to " 

24 + str(factor), 

25 'WARN' 

26 ) 

27 myia = image( ) 

28 myia.dohistory(False) 

29 outia = None 

30 try: 

31 if (not myia.open(imagename)): 

32 raise RuntimeError("Cannot create image analysis tool using %s" % imagename) 

33 if (len(outfile) == 0): 

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

35 if (type(region) != type({})): 

36 myrg = regionmanager( ) 

37 reg = myrg.frombcs( 

38 csys=myia.coordsys().torecord(), shape=myia.shape(), box=box, 

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

40 ) 

41 else: 

42 reg = region 

43 outia = myia.rebin( 

44 outfile=outfile, bin=factor, region=reg, mask=mask, dropdeg=dropdeg, 

45 overwrite=overwrite, stretch=stretch, crop=crop 

46 ) 

47 

48 try: 

49 param_names = imrebin.__code__.co_varnames[:imrebin.__code__.co_argcount] 

50 vars = locals( ) 

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

52 

53 write_image_history( 

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

55 param_names, param_vals, casalog 

56 ) 

57 except Exception as instance: 

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

59 

60 finally: 

61 if myia: 

62 myia.done() 

63 if outia: 

64 outia.done() 

65 if myrg: 

66 myrg.done()