def task(args):
from miriad import CalData
from mirtask import cliutil, keys
banner = util.printBannerGit('gptext', 'convert gains to and from text',
IDENT)
ks = keys.KeySpec()
ks.keyword('vis', 'f', ' ')
ks.keyword('out', 'f', ' ')
ks.keymatch('mode', 1, ['totext', 'applyvis', 'createvis'])
opts = ks.process(args)
if opts.out == ' ':
util.die('must specify an output filename (out=...)')
if opts.vis == ' ':
util.die('must specify an input filename (vis=...)')
mode = opts.mode[0]
gi = GainsInfo()
if mode == 'totext':
gi.fromDataset(CalData(opts.vis).open('rw'))
if opts.out == '-':
gi.toText(sys.stdout)
else:
gi.toText(open(opts.out, 'w'))
elif mode == 'applyvis':
gi.fromText(open(opts.vis))
h = CalData(opts.out).open('rw')
gi.toDataset(h)
h.openHistory()
h.writeHistory(banner)
h.logInvocation('PYTHON gptext', args)
h.closeHistory()
h.close()
elif mode == 'createvis':
gi.fromText(open(opts.vis))
h = CalData(opts.out).open('c')
gi.toDataset(h)
h.openHistory()
h.writeHistory(banner)
h.logInvocation('PYTHON gptext', args)
h.closeHistory()
h.close()
else:
util.die('unrecognized mode "%s"', mode)
def toDatasetPath(self, path, mode):
"""Valid values of *mode* are "rw" or "c"."""
from miriad import CalData
ds = CalData(path)
handle = ds.open(mode)
try:
self.toDataset(handle)
finally:
handle.close()
return self
def _genfromtext(context, gaintext=None):
from miriad import CalData
context.ensureParent()
out = CalData(context.fullpath())
out.delete()
try:
gi = GainsInfo().fromText(open(str(gaintext)))
gi.toDatasetPath(str(out), 'c')
except Exception:
out.delete()
raise
return out
