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import os
import pyfits
from stsci.tools import teal
import stwcs
from stwcs.wcsutil import headerlet
__taskname__ = __name__.split('.')[-1] # needed for help string
__package__ = headerlet.__name__
__version__ = stwcs.__version__
#
#### Interfaces used by TEAL
#
def getHelpAsString(docstring=False):
"""
return useful help from a file in the script directory called __taskname__.help
"""
install_dir = os.path.dirname(__file__)
htmlfile = os.path.join(install_dir,'htmlhelp',__taskname__+'.html')
helpfile = os.path.join(install_dir,__taskname__+'.help')
if docstring or (not docstring and not os.path.exists(htmlfile)):
helpString = __taskname__+' Version '+__version__+'\n\n'
if os.path.exists(helpfile):
helpString += teal.getHelpFileAsString(__taskname__,__file__)
else:
helpString += eval('.'.join([__package__,__taskname__,'__doc__']))
else:
helpString = 'file://'+htmlfile
return helpString
def run(configObj=None):
if configObj['output'] in ['',' ',None]:
print '='*60
print 'ERROR:'
print ' No valid "output" parameter value provided!'
print ' Please restart this task and provide a value for this parameter.'
print '='*60
return
# create dictionary of remaining parameters, deleting extraneous ones
# such as those above
cdict = configObj.dict()
# remove any rules defined for the TEAL interface
if cdict.has_key("_RULES_"): del cdict['_RULES_']
del cdict['_task_name_']
del cdict['filename']
del cdict['output']
# Call function with properly interpreted input parameters
# Syntax: extract_headerlet(filename, output, extnum=None, hdrname=None,
# clobber=False, verbose=100)
headerlet.extract_headerlet(configObj['filename'], configObj['output'],
**cdict)
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