Catch log.info messages from astropy.wcs and don't print them.

3 files changed, 20 insertions, 5 deletions

diff --git a/stwcs/wcsutil/altwcs.py b/stwcs/wcsutil/altwcs.py
index cba400f..2d1565d 100644
--- a/stwcs/wcsutil/altwcs.py
+++ b/stwcs/wcsutil/altwcs.py
@@ -3,10 +3,12 @@ from __future__ import absolute_import, division, print_function
 import string
 import numpy as np
 from astropy import wcs as pywcs
-from astropy import log
 from astropy.io import fits
 from stsci.tools import fileutil as fu
 
+from astropy import log
+default_log_level = log.getEffectiveLevel()
+
 altwcskw = ['WCSAXES', 'CRVAL', 'CRPIX', 'PC', 'CDELT', 'CD', 'CTYPE', 'CUNIT',
             'PV', 'PS']
 altwcskw_extra = ['LATPOLE', 'LONPOLE', 'RESTWAV', 'RESTFRQ']
@@ -148,7 +150,7 @@ def archiveWCS(fname, ext, wcskey=" ", wcsname=" ", reusekey=False):
         for k in hwcs.keys():
             key = k[: 7] + wkey
             f[e].header[key] = hwcs[k]
-    log.setLevel('DEBUG')
+    log.setLevel(default_log_level)
     closefobj(fname, f)
 
 
@@ -433,7 +435,7 @@ def _restore(fobj, ukey, fromextnum,
     w = pywcs.WCS(hdr, fobj, key=ukey)
     log.setLevel('WARNING')
     hwcs = w.to_header()
-    log.setLevel('DEBUG')
+    log.setLevel(default_log_level)
     if hwcs is None:
         return
 
@@ -518,7 +520,7 @@ def readAltWCS(fobj, ext, wcskey=' ', verbose=False):
         return None
     log.setLevel('WARNING')
     hwcs = nwcs.to_header()
-    log.setLevel('DEBUG')
+    log.setLevel(default_log_level)
 
     if nwcs.wcs.has_cd():
         hwcs = pc2cd(hwcs, key=wcskey)
diff --git a/stwcs/wcsutil/headerlet.py b/stwcs/wcsutil/headerlet.py
index 03861df..1d7351a 100644
--- a/stwcs/wcsutil/headerlet.py
+++ b/stwcs/wcsutil/headerlet.py
@@ -34,6 +34,9 @@ from . import wcscorr
 from .hstwcs import HSTWCS
 from .mappings import basic_wcs
 
+from astropy import log
+default_log_level = log.getEffectiveLevel()
+
 # Logging support functions
 
 
@@ -2144,6 +2147,8 @@ class Headerlet(fits.HDUList):
                     fobj.close()
                 raise ValueError(mess)
         numsip = countExtn(self, 'SIPWCS')
+
+        log.setLevel('WARNING')
         for idx in range(1, numsip + 1):
             siphdr = self[('SIPWCS', idx)].header
             tg_ext = (siphdr['TG_ENAME'], siphdr['TG_EVER'])
@@ -2164,6 +2169,8 @@ class Headerlet(fits.HDUList):
                 # fhdr.insert(wind, pyfits.Card(kw + wkey,
                 #                              self[0].header[kw]))
                 fhdr.append(fits.Card(kw + wkey, self[0].header[kw]))
+
+        log.setLevel(default_log_level)
         # Update the WCSCORR table with new rows from the headerlet's WCSs
         wcscorr.update_wcscorr(fobj, self, 'SIPWCS')
 
diff --git a/stwcs/wcsutil/hstwcs.py b/stwcs/wcsutil/hstwcs.py
index aeaa43f..d9146d2 100644
--- a/stwcs/wcsutil/hstwcs.py
+++ b/stwcs/wcsutil/hstwcs.py
@@ -12,6 +12,9 @@ from . import getinput
 from . import instruments
 from .mappings import inst_mappings, ins_spec_kw
 
+from astropy import log
+default_log_level = log.getEffectiveLevel()
+
 __all__ = ['HSTWCS']
 
 
@@ -382,8 +385,11 @@ class HSTWCS(WCS):
         sip2hdr : bool
             If True - include SIP coefficients
         """
-
+        if not relax and not sip2hdr:
+            log.setLevel('WARNING')
         h = self.to_header(key=wcskey, relax=relax)
+        log.setLevel(default_log_level)
+
         if not wcskey:
             wcskey = self.wcs.alt
         if self.wcs.has_cd():