--- a/docs/convolution/index.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/convolution/index.rst 2025-05-21 14:01:35.946712554 +0800 @@ -34,8 +34,9 @@ from astropy.utils.data import get_pkg_data_filename from scipy.ndimage import convolve as scipy_convolve - # Load the data from data.astropy.org - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # Load the data from data.astropy.org. Use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] # Scale the file to have reasonable numbers @@ -284,8 +285,9 @@ from astropy.utils.data import get_pkg_data_filename from astropy.convolution import Gaussian2DKernel, interpolate_replace_nans - # Load the data from data.astropy.org - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # Load the data from data.astropy.org. Use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] img = hdu.data[50:90, 60:100] * 1e5 @@ -353,8 +355,9 @@ from astropy.utils.data import get_pkg_data_filename from astropy.convolution import Gaussian2DKernel, interpolate_replace_nans - # Load the data from data.astropy.org - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # Load the data from data.astropy.org. Use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] img = hdu.data[50:90, 60:100] * 1e5 --- a/docs/convolution/non_normalized_kernels.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/convolution/non_normalized_kernels.rst 2025-05-21 14:01:35.946941178 +0800 @@ -35,8 +35,9 @@ from astropy.convolution import convolve, convolve_fft - # Load the data from data.astropy.org - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # Load the data from data.astropy.org. Use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] # Scale the file to have reasonable numbers --- a/docs/modeling/parallel-fitting.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/modeling/parallel-fitting.rst 2025-05-21 14:01:35.947222961 +0800 @@ -66,7 +66,8 @@ >>> from astropy.io import fits >>> from astropy.utils.data import get_pkg_data_filename - >>> filename = get_pkg_data_filename('l1448/l1448_13co.fits') # doctest: +REMOTE_DATA + >>> try: filename = get_pkg_data_filename('l1448/l1448_13co.fits') # doctest: +REMOTE_DATA + >>> except Exception: filename = 'l1448_13co.fits' # use local fits if no network >>> with fits.open(filename) as hdulist: ... data = hdulist[0].data ... wcs = WCS(hdulist[0].header) # doctest: +REMOTE_DATA --- a/docs/timeseries/analysis.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/timeseries/analysis.rst 2025-05-21 14:01:35.947350058 +0800 @@ -137,7 +137,9 @@ from astropy.timeseries import TimeSeries from astropy.utils.data import get_pkg_data_filename - example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + # use local fits if no network + try: example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + except Exception: example_data = 'kplr010666592-2009131110544_slc.fits' kepler = TimeSeries.read(example_data, format='kepler.fits', unit_parse_strict='silent') (See :ref:`timeseries-io` for more details about reading in data). We can then @@ -191,7 +193,9 @@ from astropy.timeseries import aggregate_downsample from astropy.utils.data import get_pkg_data_filename - example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + # use local fits if no network + try: example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + except Exception: example_data = 'kplr010666592-2009131110544_slc.fits' kepler = TimeSeries.read(example_data, format='kepler.fits', unit_parse_strict='silent') import warnings @@ -234,7 +238,9 @@ from astropy.timeseries import TimeSeries from astropy.utils.data import get_pkg_data_filename - example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + # use local fits if no network + try: example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + except Exception: example_data = 'kplr010666592-2009131110544_slc.fits' kepler = TimeSeries.read(example_data, format='kepler.fits', unit_parse_strict='silent') .. plot:: @@ -273,7 +279,9 @@ from astropy.timeseries import TimeSeries from astropy.utils.data import get_pkg_data_filename - example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + # use local fits if no network + try: example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + except Exception: example_data = 'kplr010666592-2009131110544_slc.fits' kepler = TimeSeries.read(example_data, format='kepler.fits', unit_parse_strict='silent') kepler_folded = kepler.fold(period=2.2 * u.day, epoch_time='2009-05-02T20:53:40') --- a/docs/timeseries/index.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/timeseries/index.rst 2025-05-21 14:01:35.947476016 +0800 @@ -37,7 +37,8 @@ source:: >>> from astropy.utils.data import get_pkg_data_filename - >>> filename = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') # doctest: +REMOTE_DATA + >>> try: filename = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') # doctest: +REMOTE_DATA + >>> except Exception: filename = kplr010666592-2009131110544_slc.fits' # Use local fits if no network .. note:: The light curve provided here is handpicked for example purposes. For @@ -165,7 +166,9 @@ :nofigs: from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + except Exception: filename = 'kplr010666592-2009131110544_slc.fits' from astropy.timeseries import TimeSeries ts = TimeSeries.read(filename, format='kepler.fits', unit_parse_strict='silent') --- a/docs/timeseries/io.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/timeseries/io.rst 2025-05-21 14:01:35.947616044 +0800 @@ -28,7 +28,9 @@ :nofigs: from astropy.utils.data import get_pkg_data_filename - example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + # use local fits if no network + try: example_data = get_pkg_data_filename('timeseries/kplr010666592-2009131110544_slc.fits') + except Exception: example_data = 'kplr010666592-2009131110544_slc.fits' .. note:: The light curve provided here is handpicked for example purposes. To get --- a/docs/visualization/rgb.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/rgb.rst 2025-05-21 14:01:35.947806847 +0800 @@ -68,10 +68,13 @@ from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - # Read in the three images downloaded from here: - g_name = get_pkg_data_filename('visualization/reprojected_sdss_g.fits.bz2') - r_name = get_pkg_data_filename('visualization/reprojected_sdss_r.fits.bz2') - i_name = get_pkg_data_filename('visualization/reprojected_sdss_i.fits.bz2') + # Read in the three images downloaded from here, using local fits if no network: + try: g_name = get_pkg_data_filename('visualization/reprojected_sdss_g.fits.bz2') + except Exception: g_name = 'reprojected_sdss_g.fits.bz2' + try: r_name = get_pkg_data_filename('visualization/reprojected_sdss_r.fits.bz2') + except Exception: r_name = 'reprojected_sdss_r.fits.bz2' + try: i_name = get_pkg_data_filename('visualization/reprojected_sdss_i.fits.bz2') + except Exception: i_name = 'reprojected_sdss_i.fits.bz2' g = fits.getdata(g_name) r = fits.getdata(r_name) i = fits.getdata(i_name) @@ -140,10 +143,13 @@ from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - # Read in the three images downloaded from here: - g_name = get_pkg_data_filename('visualization/reprojected_sdss_g.fits.bz2') - r_name = get_pkg_data_filename('visualization/reprojected_sdss_r.fits.bz2') - i_name = get_pkg_data_filename('visualization/reprojected_sdss_i.fits.bz2') + # Read in the three images downloaded from here, using local fits if no network: + try: g_name = get_pkg_data_filename('visualization/reprojected_sdss_g.fits.bz2') + except Exception: g_name = 'reprojected_sdss_g.fits.bz2' + try: r_name = get_pkg_data_filename('visualization/reprojected_sdss_r.fits.bz2') + except Exception: r_name = 'reprojected_sdss_r.fits.bz2' + try: i_name = get_pkg_data_filename('visualization/reprojected_sdss_i.fits.bz2') + except Exception: i_name = 'reprojected_sdss_i.fits.bz2' g = fits.getdata(g_name) r = fits.getdata(r_name) i = fits.getdata(i_name) --- a/docs/visualization/wcsaxes/controlling_axes.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/wcsaxes/controlling_axes.rst 2025-05-21 14:01:35.947972005 +0800 @@ -18,7 +18,9 @@ from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('l1448/l1448_13co.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('l1448/l1448_13co.fits') + except Exception: filename = 'l1448_13co.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) --- a/docs/visualization/wcsaxes/custom_frames.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/wcsaxes/custom_frames.rst 2025-05-21 14:01:35.948134426 +0800 @@ -18,7 +18,9 @@ from astropy.visualization.wcsaxes.frame import EllipticalFrame import matplotlib.pyplot as plt - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) @@ -46,7 +48,9 @@ from matplotlib import patheffects import matplotlib.pyplot as plt - filename = get_pkg_data_filename('allsky/allsky_rosat.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('allsky/allsky_rosat.fits') + except Exception: filename = 'allsky_rosat.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) @@ -108,7 +112,9 @@ from astropy.utils.data import get_pkg_data_filename import matplotlib.pyplot as plt - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) --- a/docs/visualization/wcsaxes/images_contours.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/wcsaxes/images_contours.rst 2025-05-21 14:01:35.948234698 +0800 @@ -13,7 +13,9 @@ from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) --- a/docs/visualization/wcsaxes/index.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/wcsaxes/index.rst 2025-05-21 14:01:35.948352125 +0800 @@ -27,7 +27,9 @@ from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) --- a/docs/visualization/wcsaxes/initializing_axes.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/wcsaxes/initializing_axes.rst 2025-05-21 14:01:35.948443598 +0800 @@ -25,7 +25,9 @@ from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) --- a/docs/visualization/wcsaxes/overlaying_coordinate_systems.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/wcsaxes/overlaying_coordinate_systems.rst 2025-05-21 14:01:35.948531452 +0800 @@ -13,7 +13,9 @@ from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) --- a/docs/visualization/wcsaxes/overlays.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/wcsaxes/overlays.rst 2025-05-21 14:01:35.948641450 +0800 @@ -20,7 +20,9 @@ from astropy.utils.data import get_pkg_data_filename import matplotlib.pyplot as plt - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) @@ -119,7 +121,9 @@ from astropy.utils.data import get_pkg_data_filename import matplotlib.pyplot as plt - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) @@ -155,7 +159,9 @@ from astropy.utils.data import get_pkg_data_filename import matplotlib.pyplot as plt - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) @@ -232,7 +238,9 @@ from astropy.visualization.wcsaxes import Quadrangle import matplotlib.pyplot as plt - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) @@ -284,7 +292,9 @@ from matplotlib.patches import Rectangle import matplotlib.pyplot as plt - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) @@ -298,7 +308,9 @@ :include-source: :align: center - filename = get_pkg_data_filename('galactic_center/gc_bolocam_gps.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_bolocam_gps.fits') + except Exception: filename = 'gc_bolocam_gps.fits' hdu = fits.open(filename)[0] ax.contour(hdu.data, transform=ax.get_transform(WCS(hdu.header)), levels=[1,2,3,4,5,6], colors='white') @@ -320,7 +332,9 @@ from astropy.utils.data import get_pkg_data_filename import matplotlib.pyplot as plt - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) @@ -369,7 +383,9 @@ from astropy.utils.data import get_pkg_data_filename import matplotlib.pyplot as plt - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) --- a/docs/visualization/wcsaxes/slicing_datacubes.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/wcsaxes/slicing_datacubes.rst 2025-05-21 14:01:35.948792640 +0800 @@ -26,7 +26,9 @@ from astropy.wcs import WCS from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('l1448/l1448_13co.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('l1448/l1448_13co.fits') + except Exception: filename = 'l1448_13co.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) image_data = hdu.data @@ -97,7 +99,9 @@ from astropy.wcs import WCS from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('l1448/l1448_13co.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('l1448/l1448_13co.fits') + except Exception: filename = 'l1448_13co.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) image_data = hdu.data --- a/docs/visualization/wcsaxes/ticks_labels_grid.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/visualization/wcsaxes/ticks_labels_grid.rst 2025-05-21 14:01:35.948901496 +0800 @@ -13,7 +13,9 @@ from astropy.io import fits from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + # use local fits if no network + try: filename = get_pkg_data_filename('galactic_center/gc_msx_e.fits') + except Exception: filename = 'gc_msx_e.fits' hdu = fits.open(filename)[0] wcs = WCS(hdu.header) --- a/docs/wcs/wcsapi.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/wcs/wcsapi.rst 2025-05-21 14:01:35.949043542 +0800 @@ -55,7 +55,8 @@ >>> from astropy.wcs import WCS >>> from astropy.utils.data import get_pkg_data_filename >>> from astropy.io import fits - >>> filename = get_pkg_data_filename('galactic_center/gc_2mass_k.fits') # doctest: +REMOTE_DATA + >>> try: filename = get_pkg_data_filename('galactic_center/gc_2mass_k.fits') # doctest: +REMOTE_DATA + >>> except Exception: filename = gc_2mass_k.fits' # Use local fits if no network >>> hdulist = fits.open(filename) # doctest: +REMOTE_DATA >>> hdu = hdulist[0] # doctest: +REMOTE_DATA >>> wcs = WCS(hdu.header) # doctest: +REMOTE_DATA @@ -141,7 +142,8 @@ Let's now take a look at a WCS for a spectral cube (two celestial axes and one spectral axis):: - >>> filename = get_pkg_data_filename('l1448/l1448_13co.fits') # doctest: +REMOTE_DATA + >>> try: filename = get_pkg_data_filename('l1448/l1448_13co.fits') # doctest: +REMOTE_DATA + >>> except Exception: filename = 'l1448_13co.fits' # Use local fits if no network >>> hdulist = fits.open(filename) # doctest: +REMOTE_DATA >>> hdu = hdulist[0] # doctest: +REMOTE_DATA >>> wcs = WCS(hdu.header) # doctest: +REMOTE_DATA @@ -246,7 +248,8 @@ any WCS object that conforms to the :class:`~astropy.wcs.wcsapi.BaseLowLevelWCS` API. To demonstrate this, let's start off by reading in a spectral cube file:: - >>> filename = get_pkg_data_filename('l1448/l1448_13co.fits') # doctest: +REMOTE_DATA + >>> try: filename = get_pkg_data_filename('l1448/l1448_13co.fits') # doctest: +REMOTE_DATA + >>> except Exception: filename = 'l1448_13co.fits' # Use local fits if no network >>> wcs = WCS(fits.getheader(filename, ext=0)) # doctest: +REMOTE_DATA The ``wcs`` object is an instance of :class:`~astropy.wcs.WCS` which conforms to the --- a/docs/wcs/wcstools.rst 2025-05-20 21:21:57.000000000 +0800 +++ b/docs/wcs/wcstools.rst 2025-05-21 14:01:35.949148486 +0800 @@ -33,7 +33,9 @@ from astropy.wcs import WCS, FITSFixedWarning from astropy.utils.data import get_pkg_data_filename - filename = get_pkg_data_filename('tutorials/FITS-images/HorseHead.fits') + # use local data if no network + try: filename = get_pkg_data_filename('tutorials/FITS-images/HorseHead.fits') + except Exception: filename = 'HorseHead.fits' hdu = fits.open(filename)[0] with warnings.catch_warnings():