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Convert WCSNAME to hash for HLET filename #183

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merged 3 commits into from
Oct 13, 2021
Merged

Convert WCSNAME to hash for HLET filename #183

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7aece59
Convert WCSNAME to hash for HLET filename
stsci-hack Oct 4, 2021
dd61ffe
Update change log
stsci-hack Oct 4, 2021
be41b4a
Update hdrname for a priori WCS
stsci-hack Oct 12, 2021
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3 changes: 3 additions & 0 deletions CHANGES.rst
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Original file line number Diff line number Diff line change
@@ -1,5 +1,8 @@
1.7.1 (Unreleased)
------------------
- Filenames for new headerlet files based on updated/new
IDCTABs now based on hash of WCSNAME instead of WCSNAME itself. [#183]


1.7.0 (2021-08-10)
------------------
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7 changes: 5 additions & 2 deletions stwcs/updatewcs/astrometry_utils.py
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Expand Up @@ -32,6 +32,7 @@
import os
import sys
import atexit
import hashlib

import requests
from io import BytesIO
Expand Down Expand Up @@ -473,7 +474,8 @@ def apply_new_apriori(self, obsname):
hlet_names = [obsname[('hdrlet', e)].header['wcsname'] for e in hlet_extns]

if wname not in hlet_names:
hdrname = "{}_{}".format(filename.replace('.fits', ''), wname)
wname_hash = hashlib.sha1(wname.encode()).hexdigest()[:6]
hdrname = "{}_{}".format(filename.replace('.fits', ''), wname_hash)
# Create full filename for headerlet:
hfilename = "{}_hlet.fits".format(hdrname)
logger.info("Archiving pipeline-default WCS {} to {}".format(wname, filename))
Expand Down Expand Up @@ -506,7 +508,8 @@ def apply_new_apriori(self, obsname):
wname = 'IDC_{}'.format(idcroot)
# Compute and add new solution if it is not already an alternate WCS
# Save this new WCS as a headerlet extension and separate headerlet file
hdrname = "{}_{}".format(filename.replace('.fits', ''), wname)
wname_hash = hashlib.sha1(wname.encode()).hexdigest()[:6]
hdrname = "{}_{}".format(filename.replace('.fits', ''), wname_hash)
# Create full filename for headerlet:
hfilename = "{}_hlet.fits".format(hdrname)

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