def test_method_rename_ext_1(): # Raise on multi-ext
ad = AstroData(TESTFILE)
with pytest.raises(SingleHDUMemberExcept):
ad.rename_ext("SCI", ver=99)
def test_constructor_2():
""" filename w mode option """
ad = AstroData(dataset=TESTFILE, mode="update")
assert ad.mode == 'update'
def test_method_phu_get_key_val_3():
ad = AstroData(TESTFILE2)
assert isinstance(ad.phu_get_key_value('RA'), float)
def test_method_set_key_val_6():
ad = AstroData(TESTFILE2)
with pytest.raises(TypeError):
assert ad.set_key_value('FOO')
def test_method_set_key_val_8():
ad = AstroData(TESTFILE)
with pytest.raises(AstroDataError):
assert ad.set_key_value('BITPIX', 1)
def test_method_set_key_val_1():
ad = AstroData(TESTFILE2)
ad.set_key_value('TESTKEY', 'TESTVALUE')
assert ad.header['TESTKEY']
def test_method_set_key_val_3():
ad = AstroData(TESTFILE2)
ad.set_key_value('CRVAL1', 1.0)
assert isinstance(ad.header['CRVAL1'], float)
def test_method_extname_2():
ad = AstroData(TESTFILE2)
assert ad.extname() == 'SCI'
def test_method_extver_1():
ad = AstroData(TESTFILE2) # Single 'SCI' ext
assert isinstance(ad.extver(), int)
def test_method_rename_ext_5(): # TypeError w/ only 'ver=' param
ad = AstroData(TESTFILE2)
with pytest.raises(TypeError):
ad.rename_ext(ver=2)
def test_method_extname_1():
ad = AstroData(TESTFILE2) # Single 'SCI' ext
assert isinstance(ad.extname(), str)
def test_method_rename_ext_4():
ad = AstroData(TESTFILE2)
ad.rename_ext("FOO", ver=99)
assert ad.extname() == "FOO"
assert ad.extver() == 99
def test_method_rename_ext_3():
ad = AstroData(TESTFILE2) # Single 'SCI' ext
ad.rename_ext("FOO")
assert ad.extname() == "FOO"
def test_method_rename_ext_2():
ad = AstroData(TESTFILE)
with pytest.raises(SingleHDUMemberExcept):
ad.rename_ext("FOO")
def test_method_get_key_val_7():
ad = AstroData(TESTFILE2)
with pytest.raises(TypeError):
assert ad.get_key_value()
def test_method_extver_2():
ad = AstroData(TESTFILE2)
assert ad.extver() == 1
def test_constructor_1():
""" Good filename, def mode """
ad = AstroData(dataset=TESTFILE)
assert ad.mode == 'readonly'
def test_method_extver_3():
ad = AstroData(TESTFILE)
with pytest.raises(SingleHDUMemberExcept):
ad.extver()
def test_method_set_key_val_2():
ad = AstroData(TESTFILE2)
ad.set_key_value('BITPIX', 999)
assert isinstance(ad.header['BITPIX'], int)
def test_constructor_0():
""" Good filename """
assert AstroData(dataset=TESTFILE)
def test_method_set_key_val_4():
ad = AstroData(TESTFILE2)
test_comment = "This is a TESTKEY"
ad.set_key_value('TESTKEY', 'TESTVALUE', comment=test_comment)
assert ad.header.cards['TESTKEY'].comment.endswith(test_comment)
def test_method_get_key_val_1():
ad = AstroData(TESTFILE2)
assert isinstance(ad.get_key_value('EXTNAME'), str)
def test_method_set_key_val_7():
ad = AstroData(TESTFILE2)
with pytest.raises(AstroDataError):
assert ad.set_key_value('FOO', None)
def test_method_get_key_val_3():
ad = AstroData(TESTFILE2)
assert isinstance(ad.get_key_value('CRVAL1'), float)
def test_method_phu_get_key_val_1():
ad = AstroData(TESTFILE2)
assert isinstance(ad.phu_get_key_value('SIMPLE'), bool)
def test_method_get_key_val_4():
ad = AstroData(TESTFILE2)
assert ad.get_key_value('DATATYP') is None
def test_method_phu_get_key_val_2():
ad = AstroData(TESTFILE2)
assert isinstance(ad.phu_get_key_value('BITPIX'), int)
def test_method_get_key_val_6():
ad = AstroData(TESTFILE2)
assert ad.get_key_value('FOO') is None
def mktable_helper(tablename, auto=True, rawdir="./"):
"""
Create or append to an observation summary table.
This function is interactive and requires input from the users.
:param tablename: Filename for the table. If it exists it will
be extended.
:type tablename: str
:param auto: If True, get some of the information directly from
the FITS headers. [Default: True]
:type auto: boolean
:param rawdir: Path to raw data. Required for auto=True.
[Default: "./"]
:type rawdir: str
"""
from klpyastro.utils import obstable
import os.path
# TODO: change to new astrodata when ready
if auto:
from astrodata import AstroData
# Create an ObsTable. If the file already exists on disk,
# then read it. Otherwise, leave it empty.
# Error handling: If the file exists but there's an read error,
# raise, otherwise assume that you are creating a new file.
table = obstable.ObsTable()
table.filename = tablename
try:
table.read_table()
except IOError:
if os.path.exists(tablename):
print("Error reading table %s\n" % tablename)
raise
else:
print("New table will be created.")
# Start the prompting the user and the data for the information
# that needs to go in the table.
user_not_done = True
while user_not_done:
user_inputs = {}
if auto:
filename_not_known = True
# Get list of prompts for user or data supplied information.
req_input_list = get_req_input_list()
# Loop through record elements
for input_request in req_input_list:
if not input_request['in_hdr'] or not auto:
# if auto and this is a Science entry, get the targetname from
# the header. If not Science, then you need to prompt user.
if auto and input_request['id'] == 'targetname' and \
'datatype' in user_inputs and \
user_inputs['datatype'] == 'Science':
input_value = query_header(ad, input_request['id'])
else:
# prompt the user
try:
input = raw_input
except NameError:
pass
input_value = input(input_request['prompt'])
user_inputs[input_request['id']] = input_value
# Assume that the user has a brain.
# Probe only the first file in 'filerange' since all the
# files in 'filerange' should be similar.
#
# Once we know the name of the first MEF file, open it
# and keep it open until we're done requesting inputs
# (instead of opening and closing it every time).
if auto and filename_not_known:
if 'rootname' in user_inputs and 'filerange' in user_inputs:
# parse filerange, build filename (with rawdir path)
filenumbers = parse_filerange(user_inputs['filerange'])
filename = "%sS%04d.fits" % \
(user_inputs['rootname'], filenumbers[0])
filename = os.path.join(rawdir, filename)
# open ad
ad = AstroData(filename)
filename_not_known = False
else:
# get value from header
input_value = query_header(ad, input_request['id'])
user_inputs[input_request['id']] = input_value
if auto:
ad.close()
# Create record
new_record = create_record(user_inputs)
# Append to table
table.add_records_to_table(new_record)
# Prompt user: add another entry?
try:
input = raw_input
except NameError:
pass
answer = input('Add another entry (y/n): ')
user_not_done = ((answer == 'y') or False)
# All the info is now in the ObsTable.
# Write the ObsTable to disk and close everything, we're done.
table.write_table()
table.pretty_table()
return
def test_method_ext_index_3():
ad = AstroData(TESTFILE)
assert ad.ext_index(('SCI', 3)) == 2