def extract_zeroth_group(self, filename):
"""Extracts the 0th group of a fits image and outputs it into
a new fits file.
Parameters
----------
filename : str
The fits file from which the 0th group will be extracted.
Returns
-------
output_filename : str
The full path to the output file.
"""
output_filename = os.path.join(
self.data_dir,
os.path.basename(filename).replace('.fits', '_0thgroup.fits'))
# Write a new fits file containing the primary and science
# headers from the input file, as well as the 0th group
# data of the first integration
hdu = fits.open(filename)
new_hdu = fits.HDUList([hdu['PRIMARY'], hdu['SCI']])
new_hdu['SCI'].data = hdu['SCI'].data[0:1, 0:1, :, :]
new_hdu.writeto(output_filename, overwrite=True)
hdu.close()
new_hdu.close()
set_permissions(output_filename)
logging.info('\t{} created'.format(output_filename))
return output_filename
def configure_logging(module, production_mode=True, path='./'):
"""Configure the log file with a standard logging format.
Parameters
----------
module : str
The name of the module being logged.
production_mode : bool
Whether or not the output should be written to the production
environement.
path : str
Where to write the log if user-supplied path; default to working dir.
"""
# Determine log file location
if production_mode:
log_file = make_log_file(module)
else:
log_file = make_log_file(module, production_mode=False, path=path)
global LOG_FILE_LOC
global PRODUCTION_BOOL
LOG_FILE_LOC = log_file
PRODUCTION_BOOL = production_mode
# Create the log file and set the permissions
logging.basicConfig(filename=log_file,
format='%(asctime)s %(levelname)s: %(message)s',
datefmt='%m/%d/%Y %H:%M:%S %p',
level=logging.INFO)
set_permissions(log_file)
def configure_logging(module):
"""Configure the log file with a standard logging format.
Parameters
----------
module : str
The name of the module being logged.
production_mode : bool
Whether or not the output should be written to the production
environement.
path : str
Where to write the log if user-supplied path; default to working dir.
Returns
-------
log_file : str
The path to the file where the log is written to.
"""
# Determine log file location
log_file = make_log_file(module)
# Make sure no other root lhandlers exist before configuring the logger
for handler in logging.root.handlers[:]:
logging.root.removeHandler(handler)
# Create the log file and set the permissions
logging.basicConfig(filename=log_file,
format='%(asctime)s %(levelname)s: %(message)s',
datefmt='%m/%d/%Y %H:%M:%S %p',
level=logging.INFO)
print('Log file initialized to {}'.format(log_file))
set_permissions(log_file)
return log_file
def save_image(self, fname, thumbnail=False):
"""
Save an image in the requested output format and sets the
appropriate permissions
Parameters
----------
image : obj
A ``matplotlib`` figure object
fname : str
Output filename
thumbnail : bool
True if saving a thumbnail image, false for the full
preview image.
"""
plt.savefig(fname, bbox_inches='tight', pad_inches=0)
permissions.set_permissions(fname)
# If the image is a thumbnail, rename to '.thumb'
if thumbnail:
thumb_fname = fname.replace('.jpg', '.thumb')
os.rename(fname, thumb_fname)
logging.info('\tSaved image to {}'.format(thumb_fname))
else:
logging.info('\tSaved image to {}'.format(fname))
def test_file_group(test_file):
"""Create a file with the standard permissions ``('-rw-r--r--')``
and default group.
Modify the group and set the default permissions defined in
``permissions.py``. Assert that both group and permissions were
set correctly.
Parameters
----------
test_file : str
Path of file used for testing
"""
# Get owner and group on the current system.
owner = get_owner_string(test_file)
group = get_group_string(test_file)
# attempt to retrieve a group name different from default
group_index = 0
test_group = grp.getgrgid(os.getgroups()[group_index]).gr_name
set_permissions(test_file, group=test_group, owner=owner)
assert has_permissions(test_file, group=test_group, owner=owner)
# return to default group
set_permissions(test_file, owner=owner, group=group)
assert has_permissions(test_file, owner=owner, group=group)
def run_early_pipeline(self,
filename,
odd_even_rows=False,
odd_even_columns=True,
use_side_ref_pixels=True,
group_scale=False):
"""Runs the early steps of the jwst pipeline (dq_init, saturation,
superbias, refpix) on uncalibrated files and outputs the result.
Parameters
----------
filename : str
File on which to run the pipeline steps
odd_even_rows : bool
Option to treat odd and even rows separately during refpix step
odd_even_columns : bools
Option to treat odd and even columns separately during refpix step
use_side_ref_pixels : bool
Option to perform the side refpix correction during refpix step
group_scale : bool
Option to rescale pixel values to correct for instances where
on-board frame averaging did not result in the proper values
Returns
-------
output_filename : str
The full path to the calibrated file
"""
output_filename = filename.replace('_uncal', '').replace(
'.fits', '_superbias_refpix.fits')
if not os.path.isfile(output_filename):
# Run the group_scale and dq_init steps on the input file
if group_scale:
model = GroupScaleStep.call(filename)
model = DQInitStep.call(model)
else:
model = DQInitStep.call(filename)
# Run the saturation and superbias steps
model = SaturationStep.call(model)
model = SuperBiasStep.call(model)
# Run the refpix step and save the output
model = RefPixStep.call(model,
odd_even_rows=odd_even_rows,
odd_even_columns=odd_even_columns,
use_side_ref_pixels=use_side_ref_pixels)
model.save(output_filename)
set_permissions(output_filename)
else:
logging.info('\t{} already exists'.format(output_filename))
return output_filename
def save_mean_slope_image(self, slope_img, stdev_img, files):
"""Save the mean slope image and associated stdev image to a
file
Parameters
----------
slope_img : numpy.ndarray
2D array containing the mean slope image
stdev_img : numpy.ndarray
2D array containing the stdev image associated with the mean
slope image.
files : list
List of input files used to construct the mean slope image
Returns
-------
output_filename : str
Name of fits file to save mean and stdev images within
"""
output_filename = '{}_{}_{}_to_{}_mean_slope_image.fits'.format(
self.instrument.lower(), self.aperture.lower(), self.query_start,
self.query_end)
mean_slope_dir = os.path.join(get_config()['outputs'], 'dark_monitor',
'mean_slope_images')
ensure_dir_exists(mean_slope_dir)
output_filename = os.path.join(mean_slope_dir, output_filename)
logging.info("Name of mean slope image: {}".format(output_filename))
primary_hdu = fits.PrimaryHDU()
primary_hdu.header['INSTRUME'] = (self.instrument, 'JWST instrument')
primary_hdu.header['APERTURE'] = (self.aperture, 'Aperture name')
primary_hdu.header['QRY_STRT'] = (self.query_start,
'MAST Query start time (MJD)')
primary_hdu.header['QRY_END'] = (self.query_end,
'MAST Query end time (MJD)')
files_string = 'FILES USED: '
for filename in files:
files_string += '{}, '.format(filename)
primary_hdu.header.add_history(files_string)
mean_img_hdu = fits.ImageHDU(slope_img, name='MEAN')
stdev_img_hdu = fits.ImageHDU(stdev_img, name='STDEV')
hdu_list = fits.HDUList([primary_hdu, mean_img_hdu, stdev_img_hdu])
hdu_list.writeto(output_filename, overwrite=True)
set_permissions(output_filename)
return output_filename
def image_to_png(self, image, outname):
"""Ouputs an image array into a png file.
Parameters
----------
image : numpy.ndarray
2D image array
outname : str
The name given to the output png file
Returns
-------
output_filename : str
The full path to the output png file
"""
output_filename = os.path.join(self.data_dir, '{}.png'.format(outname))
if not os.path.isfile(output_filename):
# Get image scale limits
z = ZScaleInterval()
vmin, vmax = z.get_limits(image)
# Plot the image
plt.figure(figsize=(12, 12))
ax = plt.gca()
im = ax.imshow(image,
cmap='gray',
origin='lower',
vmin=vmin,
vmax=vmax)
ax.set_title('{}'.format(outname))
# Make the colorbar
divider = make_axes_locatable(ax)
cax = divider.append_axes("right", size="5%", pad=0.4)
cbar = plt.colorbar(im, cax=cax)
cbar.set_label('Signal [DN]')
plt.savefig(output_filename, bbox_inches='tight', dpi=200)
set_permissions(output_filename)
logging.info('\t{} created'.format(output_filename))
else:
logging.info('\t{} already exists'.format(output_filename))
return output_filename
def test_file_permissions(test_file):
"""Create a file with the standard permissions ``('-rw-r--r--')``.
Set the default permissions defined in ``permissions.py``. Assert
that these were set correctly.
Parameters
----------
test_file : str
Path of file used for testing
"""
# Get owner and group on the current system.
owner = get_owner_string(test_file)
group = get_group_string(test_file)
set_permissions(test_file, owner=owner, group=group)
assert has_permissions(test_file, owner=owner, group=group)
def image_to_png(self, image, outname):
"""Outputs an image array into a png file.
Parameters
----------
image : numpy.ndarray
2D image array.
outname : str
The name given to the output png file.
Returns
-------
output_filename : str
The full path to the output png file.
"""
output_filename = os.path.join(self.data_dir, '{}.png'.format(outname))
# Get image scale limits
zscale = ZScaleInterval()
vmin, vmax = zscale.get_limits(image)
# Plot the image
plt.figure(figsize=(12, 12))
im = plt.imshow(image,
cmap='gray',
origin='lower',
vmin=vmin,
vmax=vmax)
plt.colorbar(
im, label='Readnoise Difference (most recent dark - reffile) [DN]')
plt.title('{}'.format(outname))
# Save the figure
plt.savefig(output_filename,
bbox_inches='tight',
dpi=200,
overwrite=True)
set_permissions(output_filename)
logging.info('\t{} created'.format(output_filename))
return output_filename
def test_directory_permissions(test_directory):
"""Create a directory with the standard permissions
``('-rw-r--r--')``.
Set the default permissions defined in ``permissions.py``. Assert
that these were set correctly.
Parameters
----------
test_directory : str
Path of directory used for testing
"""
# Get owner and group on the current system.This allows to implement the tests
# independently from the user.
owner = get_owner_string(test_directory)
group = get_group_string(test_directory)
set_permissions(test_directory, owner=owner, group=group)
assert has_permissions(test_directory, owner=owner, group=group)
def copy_files(files, out_dir):
"""Copy a given file to a given directory. Only try to copy the file
if it is not already present in the output directory.
Parameters
----------
files : list
List of files to be copied
out_dir : str
Destination directory
Returns
-------
success : list
Files successfully copied (or that already existed in out_dir)
failed : list
Files that were not copied
"""
# Copy files if they do not already exist
success = []
failed = []
for input_file in files:
input_new_path = os.path.join(out_dir, os.path.basename(input_file))
if os.path.isfile(input_new_path):
success.append(input_new_path)
else:
try:
shutil.copy2(input_file, out_dir)
success.append(input_new_path)
permissions.set_permissions(input_new_path)
except:
failed.append(input_file)
return success, failed
def plot_filesystem_stats():
"""
Plot various filesystem statistics using ``bokeh`` and save them to
the output directory.
"""
p1 = plot_total_file_counts()
p2 = plot_filesystem_size()
p3 = plot_by_filetype('count', 'all')
p4 = plot_by_filetype('size', 'all')
plot_list = [p1, p2, p3, p4]
for instrument in JWST_INSTRUMENT_NAMES:
plot_list.append(plot_by_filetype('count', instrument))
plot_list.append(plot_by_filetype('size', instrument))
# Create a layout with a grid pattern
grid_chunks = [plot_list[i:i + 2] for i in range(0, len(plot_list), 2)]
grid = gridplot(grid_chunks)
# Save all of the plots in one file
outputs_dir = os.path.join(get_config()['outputs'], 'monitor_filesystem')
outfile = os.path.join(outputs_dir, 'filesystem_monitor.html')
output_file(outfile)
save(grid)
set_permissions(outfile)
logging.info('Saved plot of all statistics to {}'.format(outfile))
# Save each plot's components
for plot in plot_list:
plot_name = plot.title.text.lower().replace(' ', '_')
plot.sizing_mode = 'stretch_both'
script, div = components(plot)
div_outfile = os.path.join(outputs_dir,
"{}_component.html".format(plot_name))
with open(div_outfile, 'w') as f:
f.write(div)
f.close()
set_permissions(div_outfile)
script_outfile = os.path.join(outputs_dir,
"{}_component.js".format(plot_name))
with open(script_outfile, 'w') as f:
f.write(script)
f.close()
set_permissions(script_outfile)
logging.info(
'Saved components files: {}_component.html and {}_component.js'.
format(plot_name, plot_name))
logging.info('Filesystem statistics plotting complete.')
def process(self, file_list):
"""The main method for processing darks. See module docstrings
for further details.
Parameters
----------
file_list : list
List of filenames (including full paths) to the dark current
files.
"""
for filename in file_list:
logging.info('\tWorking on file: {}'.format(filename))
# Get relevant header information for this file
self.get_metadata(filename)
# Run the file through the necessary pipeline steps
pipeline_steps = self.determine_pipeline_steps()
logging.info('\tRunning pipeline on {}'.format(filename))
try:
processed_file = pipeline_tools.run_calwebb_detector1_steps(
filename, pipeline_steps)
logging.info(
'\tPipeline complete. Output: {}'.format(processed_file))
set_permissions(processed_file)
except:
logging.info(
'\tPipeline processing failed for {}'.format(filename))
continue
# Find amplifier boundaries so per-amp statistics can be calculated
_, amp_bounds = instrument_properties.amplifier_info(
processed_file, omit_reference_pixels=True)
logging.info('\tAmplifier boundaries: {}'.format(amp_bounds))
# Get the ramp data; remove first 5 groups and last group for MIRI to avoid reset/rscd effects
cal_data = fits.getdata(processed_file, 'SCI', uint=False)
if self.instrument == 'MIRI':
cal_data = cal_data[:, 5:-1, :, :]
# Make the readnoise image
readnoise_outfile = os.path.join(
self.data_dir,
os.path.basename(
processed_file.replace('.fits', '_readnoise.fits')))
readnoise = self.make_readnoise_image(cal_data)
fits.writeto(readnoise_outfile, readnoise, overwrite=True)
logging.info(
'\tReadnoise image saved to {}'.format(readnoise_outfile))
# Calculate the full image readnoise stats
clipped = sigma_clip(readnoise, sigma=3.0, maxiters=5)
full_image_mean, full_image_stddev = np.nanmean(
clipped), np.nanstd(clipped)
full_image_n, full_image_bin_centers = self.make_histogram(
readnoise)
logging.info('\tReadnoise image stats: {:.5f} +/- {:.5f}'.format(
full_image_mean, full_image_stddev))
# Calculate readnoise stats in each amp separately
amp_stats = self.get_amp_stats(readnoise, amp_bounds)
logging.info(
'\tReadnoise image stats by amp: {}'.format(amp_stats))
# Get the current JWST Readnoise Reference File data
parameters = self.make_crds_parameter_dict()
reffile_mapping = crds.getreferences(parameters,
reftypes=['readnoise'])
readnoise_file = reffile_mapping['readnoise']
if 'NOT FOUND' in readnoise_file:
logging.warning(
'\tNo pipeline readnoise reffile match for this file - assuming all zeros.'
)
pipeline_readnoise = np.zeros(readnoise.shape)
else:
logging.info('\tPipeline readnoise reffile is {}'.format(
readnoise_file))
pipeline_readnoise = fits.getdata(readnoise_file)
# Find the difference between the current readnoise image and the pipeline readnoise reffile, and record image stats.
# Sometimes, the pipeline readnoise reffile needs to be cutout to match the subarray.
pipeline_readnoise = pipeline_readnoise[self.substrt2 -
1:self.substrt2 +
self.subsize2 - 1,
self.substrt1 -
1:self.substrt1 +
self.subsize1 - 1]
readnoise_diff = readnoise - pipeline_readnoise
clipped = sigma_clip(readnoise_diff, sigma=3.0, maxiters=5)
diff_image_mean, diff_image_stddev = np.nanmean(
clipped), np.nanstd(clipped)
diff_image_n, diff_image_bin_centers = self.make_histogram(
readnoise_diff)
logging.info(
'\tReadnoise difference image stats: {:.5f} +/- {:.5f}'.format(
diff_image_mean, diff_image_stddev))
# Save a png of the readnoise difference image for visual inspection
logging.info('\tCreating png of readnoise difference image')
readnoise_diff_png = self.image_to_png(
readnoise_diff,
outname=os.path.basename(readnoise_outfile).replace(
'.fits', '_diff'))
# Construct new entry for this file for the readnoise database table.
# Can't insert values with numpy.float32 datatypes into database
# so need to change the datatypes of these values.
readnoise_db_entry = {
'uncal_filename': filename,
'aperture': self.aperture,
'detector': self.detector,
'subarray': self.subarray,
'read_pattern': self.read_pattern,
'nints': self.nints,
'ngroups': self.ngroups,
'expstart': self.expstart,
'readnoise_filename': readnoise_outfile,
'full_image_mean': float(full_image_mean),
'full_image_stddev': float(full_image_stddev),
'full_image_n': full_image_n.astype(float),
'full_image_bin_centers': full_image_bin_centers.astype(float),
'readnoise_diff_image': readnoise_diff_png,
'diff_image_mean': float(diff_image_mean),
'diff_image_stddev': float(diff_image_stddev),
'diff_image_n': diff_image_n.astype(float),
'diff_image_bin_centers': diff_image_bin_centers.astype(float),
'entry_date': datetime.datetime.now()
}
for key in amp_stats.keys():
if isinstance(amp_stats[key], (int, float)):
readnoise_db_entry[key] = float(amp_stats[key])
else:
readnoise_db_entry[key] = amp_stats[key].astype(float)
# Add this new entry to the readnoise database table
self.stats_table.__table__.insert().execute(readnoise_db_entry)
logging.info('\tNew entry added to readnoise database table')
# Remove the raw and calibrated files to save memory space
os.remove(filename)
os.remove(processed_file)
def jwst_inventory(instruments=JWST_INSTRUMENT_NAMES,
dataproducts=['image', 'spectrum', 'cube'],
caom=False,
plot=False):
"""Gather a full inventory of all JWST data in each instrument
service by instrument/dtype
Parameters
----------
instruments: sequence
The list of instruments to count
dataproducts: sequence
The types of dataproducts to count
caom: bool
Query CAOM service
plot: bool
Return a pie chart of the data
Returns
-------
astropy.table.table.Table
The table of record counts for each instrument and mode
"""
logging.info('Searching database...')
# Iterate through instruments
inventory, keywords = [], {}
for instrument in instruments:
ins = [instrument]
for dp in dataproducts:
count = instrument_inventory(instrument, dataproduct=dp, caom=caom)
ins.append(count)
# Get the total
ins.append(sum(ins[-3:]))
# Add it to the list
inventory.append(ins)
# Add the keywords to the dict
keywords[instrument] = instrument_keywords(instrument, caom=caom)
logging.info(
'Completed database search for {} instruments and {} data products.'.
format(instruments, dataproducts))
# Make the table
all_cols = ['instrument'] + dataproducts + ['total']
table = pd.DataFrame(inventory, columns=all_cols)
# Plot it
if plot:
# Determine plot location and names
output_dir = get_config()['outputs']
if caom:
output_filename = 'database_monitor_caom'
else:
output_filename = 'database_monitor_jwst'
# Make the plot
plt = bar_chart(table,
'instrument',
dataproducts,
title="JWST Inventory")
# Save the plot as full html
html_filename = output_filename + '.html'
outfile = os.path.join(output_dir, 'monitor_mast', html_filename)
output_file(outfile)
save(plt)
set_permissions(outfile)
logging.info(
'Saved Bokeh plots as HTML file: {}'.format(html_filename))
# Save the plot as components
plt.sizing_mode = 'stretch_both'
script, div = components(plt)
div_outfile = os.path.join(output_dir, 'monitor_mast',
output_filename + "_component.html")
with open(div_outfile, 'w') as f:
f.write(div)
f.close()
set_permissions(div_outfile)
script_outfile = os.path.join(output_dir, 'monitor_mast',
output_filename + "_component.js")
with open(script_outfile, 'w') as f:
f.write(script)
f.close()
set_permissions(script_outfile)
logging.info(
'Saved Bokeh components files: {}_component.html and {}_component.js'
.format(output_filename, output_filename))
# Melt the table
table = pd.melt(table,
id_vars=['instrument'],
value_vars=dataproducts,
value_name='files',
var_name='dataproduct')
return table, keywords
def ensure_dir_exists(fullpath):
"""Creates dirs from ``fullpath`` if they do not already exist."""
if not os.path.exists(fullpath):
os.makedirs(fullpath)
permissions.set_permissions(fullpath)
def create_table(status_dict):
"""Create interactive ``bokeh`` table containing the logfile status
results.
Parameters
----------
status_dict : dict
Nested dictionary with status results from all logfiles
"""
# Rearrange the nested dictionary into a non-nested dict for the table
filenames = []
dates = []
missings = []
results = []
for key in status_dict:
filenames.append(status_dict[key]['logname'])
dates.append(datetime.fromtimestamp(status_dict[key]['latest_time']))
missings.append(str(status_dict[key]['missing_file']))
results.append(status_dict[key]['status'])
# div to color the boxes in the status column
success_template = """
<div style="background:<%=
(function colorfromstr(){
if(value == "success"){
return("green")}
else{return("red")}
}()) %>;
color: white">
<%= value %></div>
"""
# div to color the boxes in the column for possibly late logfiles
missing_template = """
<div style="background:<%=
(function colorfrombool(){
if(value == "True"){
return("orange")}
else{return("green")}
}()) %>;
color: white">
<%= value %></div>
"""
success_formatter = HTMLTemplateFormatter(template=success_template)
missing_formatter = HTMLTemplateFormatter(template=missing_template)
data = dict(name=list(status_dict.keys()),
filename=filenames,
date=dates,
missing=missings,
result=results)
source = ColumnDataSource(data)
datefmt = DateFormatter(format="RFC-2822")
columns = [
TableColumn(field="name", title="Monitor Name", width=200),
TableColumn(field="filename", title="Most Recent File", width=350),
TableColumn(field="date",
title="Most Recent Time",
width=200,
formatter=datefmt),
TableColumn(field="missing",
title="Possible Missing File",
width=200,
formatter=missing_formatter),
TableColumn(field="result",
title="Status",
width=100,
formatter=success_formatter),
]
data_table = DataTable(source=source,
columns=columns,
width=800,
height=280,
index_position=None)
# Get output directory for saving the table files
output_dir = get_config()['outputs']
output_filename = 'cron_status_table'
# Save full html
html_outfile = os.path.join(output_dir, 'monitor_cron_jobs',
'{}.html'.format(output_filename))
output_file(html_outfile)
save(data_table)
try:
set_permissions(html_outfile)
except PermissionError:
logging.warning(
'Unable to set permissions for {}'.format(html_outfile))
logging.info('Saved Bokeh full HTML file: {}'.format(html_outfile))
def monitor_template_main():
""" The main function of the ``monitor_template`` module."""
# Example of logging
my_variable = 'foo'
logging.info('Some useful information: {}'.format(my_variable))
# Example of querying for a dataset via MAST API
service = "Mast.Jwst.Filtered.Niriss"
params = {
"columns": "filename",
"filters": [{
"paramName": "filter",
"values": ['F430M']
}]
}
response = Mast.service_request_async(service, params)
result = response[0].json()['data']
filename_of_interest = result[0][
'filename'] # jw00304002001_02102_00001_nis_uncal.fits
# Example of parsing a filename
filename_dict = filename_parser(filename_of_interest)
# Contents of filename_dict:
# {'program_id': '00304',
# 'observation': '002',
# 'visit': '001',
# 'visit_group': '02',
# 'parallel_seq_id': '1',
# 'activity': '02',
# 'exposure_id': '00001',
# 'detector': 'nis',
# 'suffix': 'uncal'}
# Example of locating a dataset in the filesystem
filesystem = SETTINGS['filesystem']
dataset = os.path.join(
filesystem, 'public', 'jw{}'.format(filename_dict['program_id']),
'jw{}{}{}'.format(filename_dict['program_id'],
filename_dict['observation'],
filename_dict['visit']), filename_of_interest)
# Example of reading in dataset using jwst.datamodels
im = datamodels.open(dataset)
# Now have access to:
# im.data # Data array
# im.err # ERR array
# im.meta # Metadata such as header keywords
# Example of saving a file and setting permissions
im.save('some_filename.fits')
set_permissions('some_filename.fits')
# Example of creating and exporting a Bokeh plot
ylen, xlen = im.data.shape
plt = figure(x_range=(0, xlen), y_range=(0, ylen))
plt.image(image=[im.data], x=0, y=0, dw=2, dh=2, palette="Spectral11")
plt.sizing_mode = 'stretch_both' # Necessary for responsive sizing on web app
script, div = components(plt)
plot_output_dir = SETTINGS['outputs']
div_outfile = os.path.join(plot_output_dir, 'monitor_name',
filename_of_interest + "_component.html")
script_outfile = os.path.join(plot_output_dir, 'monitor_name',
filename_of_interest + "_component.js")
for outfile, component in zip([div_outfile, script_outfile],
[div, script]):
with open(outfile, 'w') as f:
f.write(component)
f.close()
set_permissions(outfile)
# Perform any other necessary code
well_named_variable = "Function does something."
result_of_second_function = second_function(well_named_variable)
def plot_system_stats(stats_file, filebytype, sizebytype):
"""Read in the file of saved stats over time and plot them.
Parameters
-----------
stats_file : str
file containing information of stats over time
filebytype : str
file containing information of file counts by type over
time
sizebytype : str
file containing information on file sizes by type over time
"""
# get path for files
settings = get_config()
outputs_dir = os.path.join(settings['outputs'], 'monitor_filesystem')
# read in file of statistics
date, f_count, sysize, frsize, used, percent = np.loadtxt(stats_file,
dtype=str,
unpack=True)
fits_files, uncalfiles, calfiles, ratefiles, rateintsfiles, i2dfiles, nrcfiles, nrsfiles, nisfiles, mirfiles, fgsfiles = np.loadtxt(
filebytype, dtype=str, unpack=True)
fits_sz, uncal_sz, cal_sz, rate_sz, rateints_sz, i2d_sz, nrc_sz, nrs_sz, nis_sz, mir_sz, fgs_sz = np.loadtxt(
sizebytype, dtype=str, unpack=True)
logging.info('Read in file statistics from {}, {}, {}'.format(
stats_file, filebytype, sizebytype))
# put in proper np array types and convert to GB sizes
dates = np.array(date, dtype='datetime64')
file_count = f_count.astype(float)
systemsize = sysize.astype(float) / (1024.**3)
freesize = frsize.astype(float) / (1024.**3)
usedsize = used.astype(float) / (1024.**3)
fits = fits_files.astype(int)
uncal = uncalfiles.astype(int)
cal = calfiles.astype(int)
rate = ratefiles.astype(int)
rateints = rateintsfiles.astype(int)
i2d = i2dfiles.astype(int)
nircam = nrcfiles.astype(int)
nirspec = nrsfiles.astype(int)
niriss = nisfiles.astype(int)
miri = mirfiles.astype(int)
fgs = fgsfiles.astype(int)
fits_size = fits_sz.astype(float) / (1024.**3)
uncal_size = uncal_sz.astype(float) / (1024.**3)
cal_size = cal_sz.astype(float) / (1024.**3)
rate_size = rate_sz.astype(float) / (1024.**3)
rateints_size = rateints_sz.astype(float) / (1024.**3)
i2d_size = i2d_sz.astype(float) / (1024.**3)
nircam_size = nrc_sz.astype(float) / (1024.**3)
nirspec_size = nrs_sz.astype(float) / (1024.**3)
niriss_size = nis_sz.astype(float) / (1024.**3)
miri_size = mir_sz.astype(float) / (1024.**3)
fgs_size = fgs_sz.astype(float) / (1024.**3)
# plot the data
# Plot filecount vs. date
p1 = figure(tools='pan,box_zoom,reset,wheel_zoom,save',
x_axis_type='datetime',
title="Total File Counts",
x_axis_label='Date',
y_axis_label='Count')
p1.line(dates, file_count, line_width=2, line_color='blue')
p1.circle(dates, file_count, color='blue')
# Plot system stats vs. date
p2 = figure(tools='pan,box_zoom,wheel_zoom,reset,save',
x_axis_type='datetime',
title='System stats',
x_axis_label='Date',
y_axis_label='GB')
p2.line(dates, systemsize, legend='Total size', line_color='red')
p2.circle(dates, systemsize, color='red')
p2.line(dates, freesize, legend='Free bytes', line_color='blue')
p2.circle(dates, freesize, color='blue')
p2.line(dates, usedsize, legend='Used bytes', line_color='green')
p2.circle(dates, usedsize, color='green')
# Plot fits files by type vs. date
p3 = figure(tools='pan,box_zoom,wheel_zoom,reset,save',
x_axis_type='datetime',
title="Total File Counts by Type",
x_axis_label='Date',
y_axis_label='Count')
p3.line(dates, fits, legend='Total fits files', line_color='black')
p3.circle(dates, fits, color='black')
p3.line(dates, uncal, legend='uncalibrated fits files', line_color='red')
p3.diamond(dates, uncal, color='red')
p3.line(dates, cal, legend='calibrated fits files', line_color='blue')
p3.square(date, cal, color='blue')
p3.line(dates, rate, legend='rate fits files', line_color='green')
p3.triangle(dates, rate, color='green')
p3.line(dates, rateints, legend='rateints fits files', line_color='orange')
p3.asterisk(dates, rateints, color='orange')
p3.line(dates, i2d, legend='i2d fits files', line_color='purple')
p3.x(dates, i2d, color='purple')
p3.line(dates,
nircam,
legend='nircam fits files',
line_color='midnightblue')
p3.x(dates, nircam, color='midnightblue')
p3.line(dates,
nirspec,
legend='nirspec fits files',
line_color='springgreen')
p3.x(dates, nirspec, color='springgreen')
p3.line(dates, niriss, legend='niriss fits files', line_color='darkcyan')
p3.x(dates, niriss, color='darkcyan')
p3.line(dates, miri, legend='miri fits files', line_color='dodgerblue')
p3.x(dates, miri, color='dodgerblue')
p3.line(dates, fgs, legend='fgs fits files', line_color='darkred')
p3.x(dates, fgs, color='darkred')
# plot size of total fits files by type
p4 = figure(tools='pan,box_zoom,wheel_zoom,reset,save',
x_axis_type='datetime',
title="Total File Sizes by Type",
x_axis_label='Date',
y_axis_label='GB')
p4.line(dates, fits_size, legend='Total fits files', line_color='black')
p4.circle(dates, fits_size, color='black')
p4.line(dates,
uncal_size,
legend='uncalibrated fits files',
line_color='red')
p4.diamond(dates, uncal_size, color='red')
p4.line(dates, cal_size, legend='calibrated fits files', line_color='blue')
p4.square(date, cal_size, color='blue')
p4.line(dates, rate_size, legend='rate fits files', line_color='green')
p4.triangle(dates, rate_size, color='green')
p4.line(dates,
rateints_size,
legend='rateints fits files',
line_color='orange')
p4.asterisk(dates, rateints_size, color='orange')
p4.line(dates, i2d_size, legend='i2d fits files', line_color='purple')
p4.x(dates, i2d_size, color='purple')
p4.line(dates,
nircam_size,
legend='nircam fits files',
line_color='midnightblue')
p4.x(dates, nircam_size, color='midnightblue')
p4.line(dates,
nirspec_size,
legend='nirspec fits files',
line_color='springgreen')
p4.x(dates, nirspec_size, color='springgreen')
p4.line(dates,
niriss_size,
legend='niriss fits files',
line_color='darkcyan')
p4.x(dates, niriss_size, color='darkcyan')
p4.line(dates,
miri_size,
legend='miri fits files',
line_color='dodgerblue')
p4.x(dates, miri_size, color='dodgerblue')
p4.line(dates, fgs_size, legend='fgs fits files', line_color='darkred')
p4.x(dates, fgs_size, color='darkred')
# create a layout with a grid pattern to save all plots
grid = gridplot([[p1, p2], [p3, p4]])
outfile = os.path.join(outputs_dir, "filesystem_monitor.html")
output_file(outfile)
save(grid)
set_permissions(outfile)
logging.info('Saved plot of all statistics to {}'.format(outfile))
# Save each plot's components
plots = [p1, p2, p3, p4]
plot_names = ['filecount', 'system_stats', 'filecount_type', 'size_type']
for plot, name in zip(plots, plot_names):
plot.sizing_mode = 'stretch_both'
script, div = components(plot)
div_outfile = os.path.join(outputs_dir,
"{}_component.html".format(name))
with open(div_outfile, 'w') as f:
f.write(div)
f.close()
set_permissions(div_outfile)
script_outfile = os.path.join(outputs_dir,
"{}_component.js".format(name))
with open(script_outfile, 'w') as f:
f.write(script)
f.close()
set_permissions(script_outfile)
logging.info(
'Saved components files: {}_component.html and {}_component.js'.
format(name, name))
logging.info('Filesystem statistics plotting complete.')
# Begin logging:
logging.info("Completed.")
def monitor_filesystem():
"""Tabulates the inventory of the JWST filesystem, saving
statistics to files, and generates plots.
"""
# Begin logging
logging.info('Beginning filesystem monitoring.')
# Get path, directories and files in system and count files in all directories
settings = get_config()
filesystem = settings['filesystem']
outputs_dir = os.path.join(settings['outputs'], 'monitor_filesystem')
# set up dictionaries for output
results_dict = defaultdict(int)
size_dict = defaultdict(float)
# Walk through all directories recursively and count files
logging.info('Searching filesystem...')
for dirpath, dirs, files in os.walk(filesystem):
results_dict['file_count'] += len(files) # find number of all files
for filename in files:
file_path = os.path.join(dirpath, filename)
if filename.endswith(".fits"): # find total number of fits files
results_dict['fits_files'] += 1
size_dict['size_fits'] += os.path.getsize(file_path)
suffix = filename_parser(filename)['suffix']
results_dict[suffix] += 1
size_dict[suffix] += os.path.getsize(file_path)
detector = filename_parser(filename)['detector']
instrument = detector[
0:
3] # first three characters of detector specify instrument
results_dict[instrument] += 1
size_dict[instrument] += os.path.getsize(file_path)
logging.info('{} files found in filesystem'.format(
results_dict['fits_files']))
# Get df style stats on file system
out = subprocess.check_output('df {}'.format(filesystem), shell=True)
outstring = out.decode(
"utf-8") # put into string for parsing from byte format
parsed = outstring.split(sep=None)
# Select desired elements from parsed string
total = int(parsed[8]) # in blocks of 512 bytes
used = int(parsed[9])
available = int(parsed[10])
percent_used = parsed[11]
# Save stats for plotting over time
now = datetime.datetime.now().isoformat(
sep='T', timespec='auto') # get date of stats
# set up output file and write stats
statsfile = os.path.join(outputs_dir, 'statsfile.txt')
with open(statsfile, "a+") as f:
f.write("{0} {1:15d} {2:15d} {3:15d} {4:15d} {5}\n".format(
now, results_dict['file_count'], total, available, used,
percent_used))
set_permissions(statsfile)
logging.info('Saved file statistics to: {}'.format(statsfile))
# set up and read out stats on files by type
filesbytype = os.path.join(outputs_dir, 'filesbytype.txt')
with open(filesbytype, "a+") as f2:
f2.write("{0} {1} {2} {3} {4} {5} {6} {7} {8} {9} {10}\n".format(
results_dict['fits_files'], results_dict['uncal'],
results_dict['cal'], results_dict['rate'],
results_dict['rateints'], results_dict['i2d'], results_dict['nrc'],
results_dict['nrs'], results_dict['nis'], results_dict['mir'],
results_dict['gui']))
set_permissions(filesbytype, verbose=False)
logging.info('Saved file statistics by type to {}'.format(filesbytype))
# set up file size by type file
sizebytype = os.path.join(outputs_dir, 'sizebytype.txt')
with open(sizebytype, "a+") as f3:
f3.write("{0} {1} {2} {3} {4} {5} {6} {7} {8} {9} {10}\n".format(
size_dict['size_fits'], size_dict['uncal'], size_dict['cal'],
size_dict['rate'], size_dict['rateints'], size_dict['i2d'],
size_dict['nrc'], size_dict['nrs'], size_dict['nis'],
size_dict['mir'], size_dict['gui']))
set_permissions(sizebytype, verbose=False)
logging.info('Saved file sizes by type to {}'.format(sizebytype))
logging.info('Filesystem statistics calculation complete.')
# Create the plots
plot_system_stats(statsfile, filesbytype, sizebytype)
def process(self, illuminated_raw_files, illuminated_slope_files, dark_raw_files, dark_slope_files):
"""The main method for processing darks. See module docstrings
for further details.
Parameters
----------
illuminated_raw_files : list
List of filenames (including full paths) of raw (uncal) flat
field files. These should all be for the same detector and
aperture.
illuminated_slope_files : list
List of filenames (including full paths) of flat field slope
files. These should all be for the same detector and
aperture and correspond one-to-one with
``illuminated_raw_files``. For cases where a raw file exists
but no slope file, the slope file should be None
dark_raw_files : list
List of filenames (including full paths) of raw (uncal) dark
files. These should all be for the same detector and
aperture.
dark_slope_files : list
List of filenames (including full paths) of dark current
slope files. These should all be for the same detector and
aperture and correspond one-to-one with ``dark_raw_files``.
For cases where a raw file exists but no slope file, the
slope file should be ``None``
"""
# Illuminated files - run entirety of calwebb_detector1 for uncal
# files where corresponding rate file is 'None'
all_files = []
badpix_types = []
badpix_types_from_flats = ['DEAD', 'LOW_QE', 'OPEN', 'ADJ_OPEN']
badpix_types_from_darks = ['HOT', 'RC', 'OTHER_BAD_PIXEL', 'TELEGRAPH']
illuminated_obstimes = []
if illuminated_raw_files:
index = 0
badpix_types.extend(badpix_types_from_flats)
for uncal_file, rate_file in zip(illuminated_raw_files, illuminated_slope_files):
self.get_metadata(uncal_file)
if rate_file == 'None':
jump_output, rate_output, _ = pipeline_tools.calwebb_detector1_save_jump(uncal_file, self.data_dir,
ramp_fit=True, save_fitopt=False)
if self.nints > 1:
illuminated_slope_files[index] = rate_output.replace('0_ramp_fit', '1_ramp_fit')
else:
illuminated_slope_files[index] = deepcopy(rate_output)
index += 1
# Get observation time for all files
illuminated_obstimes.append(instrument_properties.get_obstime(uncal_file))
all_files = deepcopy(illuminated_slope_files)
min_illum_time = min(illuminated_obstimes)
max_illum_time = max(illuminated_obstimes)
mid_illum_time = instrument_properties.mean_time(illuminated_obstimes)
# Dark files - Run calwebb_detector1 on all uncal files, saving the
# Jump step output. If corresponding rate file is 'None', then also
# run the ramp-fit step and save the output
dark_jump_files = []
dark_fitopt_files = []
dark_obstimes = []
if dark_raw_files:
index = 0
badpix_types.extend(badpix_types_from_darks)
# In this case we need to run the pipeline on all input files,
# even if the rate file is present, because we also need the jump
# and fitops files, which are not saved by default
for uncal_file, rate_file in zip(dark_raw_files, dark_slope_files):
jump_output, rate_output, fitopt_output = pipeline_tools.calwebb_detector1_save_jump(uncal_file, self.data_dir,
ramp_fit=True, save_fitopt=True)
self.get_metadata(uncal_file)
dark_jump_files.append(jump_output)
dark_fitopt_files.append(fitopt_output)
if self.nints > 1:
#dark_slope_files[index] = rate_output.replace('rate', 'rateints')
dark_slope_files[index] = rate_output.replace('0_ramp_fit', '1_ramp_fit')
else:
dark_slope_files[index] = deepcopy(rate_output)
dark_obstimes.append(instrument_properties.get_obstime(uncal_file))
index += 1
if len(all_files) == 0:
all_files = deepcopy(dark_slope_files)
else:
all_files = all_files + dark_slope_files
min_dark_time = min(dark_obstimes)
max_dark_time = max(dark_obstimes)
mid_dark_time = instrument_properties.mean_time(dark_obstimes)
# For the dead flux check, filter out any files that have less than
# 4 groups
dead_flux_files = []
if illuminated_raw_files:
for illum_file in illuminated_raw_files:
ngroup = fits.getheader(illum_file)['NGROUPS']
if ngroup >= 4:
dead_flux_files.append(illum_file)
if len(dead_flux_files) == 0:
dead_flux_files = None
# Instrument-specific preferences from jwst_reffiles meetings
if self.instrument in ['nircam', 'niriss', 'fgs']:
dead_search_type = 'sigma_rate'
elif self.instrument in ['miri', 'nirspec']:
dead_search_type = 'absolute_rate'
flat_mean_normalization_method = 'smoothed'
# Call the bad pixel search module from jwst_reffiles. Lots of
# other possible parameters. Only specify the non-default params
# in order to make things easier to read.
query_string = 'darks_{}_flats_{}_to_{}'.format(self.dark_query_start, self.flat_query_start, self.query_end)
output_file = '{}_{}_{}_bpm.fits'.format(self.instrument, self.aperture, query_string)
output_file = os.path.join(self.output_dir, output_file)
bad_pixel_mask.bad_pixels(flat_slope_files=illuminated_slope_files, dead_search_type=dead_search_type,
flat_mean_normalization_method=flat_mean_normalization_method,
run_dead_flux_check=True, dead_flux_check_files=dead_flux_files, flux_check=35000,
dark_slope_files=dark_slope_files, dark_uncal_files=dark_raw_files,
dark_jump_files=dark_jump_files, dark_fitopt_files=dark_fitopt_files, plot=False,
output_file=output_file, author='jwst_reffiles', description='A bad pix mask',
pedigree='GROUND', useafter='2222-04-01 00:00:00',
history='This file was created by JWQL', quality_check=False)
# Read in the newly-created bad pixel file
set_permissions(output_file)
badpix_map = fits.getdata(output_file)
# Locate and read in the current bad pixel mask
parameters = self.make_crds_parameter_dict()
mask_dictionary = crds_tools.get_reffiles(parameters, ['mask'], download=True)
baseline_file = mask_dictionary['mask']
if 'NOT FOUND' in baseline_file:
logging.warning(('\tNo baseline bad pixel file for {} {}. Any bad '
'pixels found as part of this search will be considered new'.format(self.instrument, self.aperture)))
baseline_file = new_badpix_file
yd, xd = badpix_mask.shape
baseline_badpix_mask = np.zeros((yd, xd), type=np.int)
else:
logging.info('\tBaseline bad pixel file is {}'.format(baseline_file))
baseline_badpix_mask = fits.getdata(baseline_file)
# Exclude hot and dead pixels in the current bad pixel mask
#new_hot_pix = self.exclude_existing_badpix(new_hot_pix, 'hot')
new_since_reffile = exclude_crds_mask_pix(badpix_map, baseline_badpix_mask)
# Create a list of the new instances of each type of bad pixel
for bad_type in badpix_types:
bad_location_list = bad_map_to_list(new_since_reffile, bad_type)
# Add new hot and dead pixels to the database
logging.info('\tFound {} new {} pixels'.format(len(bad_location_list[0]), bad_type))
if bad_type in badpix_types_from_flats:
self.add_bad_pix(bad_location_list, bad_type, illuminated_slope_files, min_illum_time, mid_illum_time, max_illum_time, baseline_file)
elif bad_type in badpix_types_from_darks:
self.add_bad_pix(bad_location_list, bad_type, dark_slope_files, min_dark_time, mid_dark_time, max_dark_time, baseline_file)
else:
raise ValueError("Unrecognized type of bad pixel: {}. Cannot update database table.".format(bad_type))
def process(self, file_list):
"""The main method for processing darks. See module docstrings
for further details.
Parameters
----------
file_list : list
List of filenames (including full paths) to the dark current
files.
"""
for filename in file_list:
logging.info('\tWorking on file: {}'.format(filename))
# Get relevant header info for this file
self.read_pattern = fits.getheader(filename, 0)['READPATT']
self.expstart = '{}T{}'.format(
fits.getheader(filename, 0)['DATE-OBS'],
fits.getheader(filename, 0)['TIME-OBS'])
# Run the file through the necessary pipeline steps
pipeline_steps = self.determine_pipeline_steps()
logging.info('\tRunning pipeline on {}'.format(filename))
try:
processed_file = pipeline_tools.run_calwebb_detector1_steps(
filename, pipeline_steps)
logging.info(
'\tPipeline complete. Output: {}'.format(processed_file))
set_permissions(processed_file)
except:
logging.info(
'\tPipeline processing failed for {}'.format(filename))
os.remove(filename)
continue
# Find amplifier boundaries so per-amp statistics can be calculated
_, amp_bounds = instrument_properties.amplifier_info(
processed_file, omit_reference_pixels=True)
logging.info('\tAmplifier boundaries: {}'.format(amp_bounds))
# Get the uncalibrated 0th group data for this file
uncal_data = fits.getdata(filename, 'SCI')[0,
0, :, :].astype(float)
# Calculate the uncal median values of each amplifier for odd/even columns
amp_medians = self.get_amp_medians(uncal_data, amp_bounds)
logging.info('\tCalculated uncalibrated image stats: {}'.format(
amp_medians))
# Calculate image statistics on the calibrated image
cal_data = fits.getdata(processed_file, 'SCI')[0, 0, :, :]
mean, median, stddev = sigma_clipped_stats(cal_data,
sigma=3.0,
maxiters=5)
collapsed_rows, collapsed_columns = self.collapse_image(cal_data)
counts, bin_centers = self.make_histogram(cal_data)
logging.info(
'\tCalculated calibrated image stats: {:.3f} +/- {:.3f}'.
format(mean, stddev))
# Save a png of the calibrated image for visual inspection
logging.info('\tCreating png of calibrated image')
output_png = self.image_to_png(
cal_data,
outname=os.path.basename(processed_file).replace('.fits', ''))
# Construct new entry for this file for the bias database table.
# Can't insert values with numpy.float32 datatypes into database
# so need to change the datatypes of these values.
bias_db_entry = {
'aperture': self.aperture,
'uncal_filename': filename,
'cal_filename': processed_file,
'cal_image': output_png,
'expstart': self.expstart,
'mean': float(mean),
'median': float(median),
'stddev': float(stddev),
'collapsed_rows': collapsed_rows.astype(float),
'collapsed_columns': collapsed_columns.astype(float),
'counts': counts.astype(float),
'bin_centers': bin_centers.astype(float),
'entry_date': datetime.datetime.now()
}
for key in amp_medians.keys():
bias_db_entry[key] = float(amp_medians[key])
# Add this new entry to the bias database table
self.stats_table.__table__.insert().execute(bias_db_entry)
logging.info('\tNew entry added to bias database table: {}'.format(
bias_db_entry))
# Remove the raw and calibrated files to save memory space
os.remove(filename)
os.remove(processed_file)
def generate_preview_images():
"""The main function of the ``generate_preview_image`` module."""
# Begin logging
logging.info("Beginning the script run")
filesystem = get_config()['filesystem']
preview_image_filesystem = get_config()['preview_image_filesystem']
thumbnail_filesystem = get_config()['thumbnail_filesystem']
filenames = glob(os.path.join(filesystem, '*/*.fits'))
grouped_filenames = group_filenames(filenames)
logging.info(f"Found {len(filenames)} filenames")
for file_list in grouped_filenames:
filename = file_list[0]
# Determine the save location
try:
identifier = 'jw{}'.format(filename_parser(filename)['program_id'])
except ValueError as error:
identifier = os.path.basename(filename).split('.fits')[0]
preview_output_directory = os.path.join(preview_image_filesystem,
identifier)
thumbnail_output_directory = os.path.join(thumbnail_filesystem,
identifier)
# Check to see if the preview images already exist and skip
# if they do
file_exists = check_existence(file_list, preview_output_directory)
if file_exists:
logging.info(
"JPG already exists for {}, skipping.".format(filename))
continue
# Create the output directories if necessary
if not os.path.exists(preview_output_directory):
os.makedirs(preview_output_directory)
permissions.set_permissions(preview_output_directory)
logging.info(f'Created directory {preview_output_directory}')
if not os.path.exists(thumbnail_output_directory):
os.makedirs(thumbnail_output_directory)
permissions.set_permissions(thumbnail_output_directory)
logging.info(f'Created directory {thumbnail_output_directory}')
# If the exposure contains more than one file (because more
# than one detector was used), then create a mosaic
max_size = 8
numfiles = len(file_list)
if numfiles != 1:
try:
mosaic_image, mosaic_dq = create_mosaic(file_list)
logging.info('Created mosiac for:')
for item in file_list:
logging.info(f'\t{item}')
except (ValueError, FileNotFoundError) as error:
logging.error(error)
dummy_file = create_dummy_filename(file_list)
if numfiles in [2, 4]:
max_size = 16
elif numfiles in [8]:
max_size = 32
# Create the nominal preview image and thumbnail
try:
im = PreviewImage(filename, "SCI")
im.clip_percent = 0.01
im.scaling = 'log'
im.cmap = 'viridis'
im.output_format = 'jpg'
im.preview_output_directory = preview_output_directory
im.thumbnail_output_directory = thumbnail_output_directory
# If a mosaic was made from more than one file
# insert it and it's associated DQ array into the
# instance of PreviewImage. Also set the input
# filename to indicate that we have mosaicked data
if numfiles != 1:
im.data = mosaic_image
im.dq = mosaic_dq
im.file = dummy_file
im.make_image(max_img_size=max_size)
except ValueError as error:
logging.warning(error)
# Complete logging:
logging.info("Completed.")
def process_program(program):
"""Generate preview images and thumbnails for the given program.
Parameters
----------
program : str
The program identifier (e.g. ``88600``)
"""
# Group together common exposures
filenames = glob.glob(
os.path.join(get_config()['filesystem'], program, '*.fits'))
grouped_filenames = group_filenames(filenames)
logging.info('Found {} filenames'.format(len(filenames)))
for file_list in grouped_filenames:
filename = file_list[0]
# Determine the save location
try:
identifier = 'jw{}'.format(filename_parser(filename)['program_id'])
except ValueError:
identifier = os.path.basename(filename).split('.fits')[0]
preview_output_directory = os.path.join(
get_config()['preview_image_filesystem'], identifier)
thumbnail_output_directory = os.path.join(
get_config()['thumbnail_filesystem'], identifier)
# Check to see if the preview images already exist and skip if they do
file_exists = check_existence(file_list, preview_output_directory)
if file_exists:
logging.info(
"JPG already exists for {}, skipping.".format(filename))
continue
# Create the output directories if necessary
if not os.path.exists(preview_output_directory):
os.makedirs(preview_output_directory)
permissions.set_permissions(preview_output_directory)
logging.info(
'Created directory {}'.format(preview_output_directory))
if not os.path.exists(thumbnail_output_directory):
os.makedirs(thumbnail_output_directory)
permissions.set_permissions(thumbnail_output_directory)
logging.info(
'Created directory {}'.format(thumbnail_output_directory))
# If the exposure contains more than one file (because more
# than one detector was used), then create a mosaic
max_size = 8
numfiles = len(file_list)
if numfiles > 1:
try:
mosaic_image, mosaic_dq = create_mosaic(file_list)
logging.info('Created mosiac for:')
for item in file_list:
logging.info('\t{}'.format(item))
except (ValueError, FileNotFoundError) as error:
logging.error(error)
dummy_file = create_dummy_filename(file_list)
if numfiles in [2, 4]:
max_size = 16
elif numfiles in [8]:
max_size = 32
# Create the nominal preview image and thumbnail
try:
im = PreviewImage(filename, "SCI")
im.clip_percent = 0.01
im.scaling = 'log'
im.cmap = 'viridis'
im.output_format = 'jpg'
im.preview_output_directory = preview_output_directory
im.thumbnail_output_directory = thumbnail_output_directory
# If a mosaic was made from more than one file
# insert it and it's associated DQ array into the
# instance of PreviewImage. Also set the input
# filename to indicate that we have mosaicked data
if numfiles != 1:
im.data = mosaic_image
im.dq = mosaic_dq
im.file = dummy_file
im.make_image(max_img_size=max_size)
logging.info(
'Created preview image and thumbnail for: {}'.format(filename))
except ValueError as error:
logging.warning(error)
def run(self):
"""The main method. See module docstrings for further
details.
"""
logging.info('Begin logging for readnoise_monitor\n')
# Get the output directory and setup a directory to store the data
self.output_dir = os.path.join(get_config()['outputs'],
'readnoise_monitor')
ensure_dir_exists(os.path.join(self.output_dir, 'data'))
# Use the current time as the end time for MAST query
self.query_end = Time.now().mjd
# Loop over all instruments
for instrument in ['nircam', 'niriss']:
self.instrument = instrument
# Identify which database tables to use
self.identify_tables()
# Get a list of all possible apertures for this instrument
siaf = Siaf(self.instrument)
possible_apertures = list(siaf.apertures)
for aperture in possible_apertures:
logging.info('\nWorking on aperture {} in {}'.format(
aperture, instrument))
self.aperture = aperture
# Locate the record of the most recent MAST search; use this time
# (plus a 30 day buffer to catch any missing files from the previous
# run) as the start time in the new MAST search.
most_recent_search = self.most_recent_search()
self.query_start = most_recent_search - 30
# Query MAST for new dark files for this instrument/aperture
logging.info('\tQuery times: {} {}'.format(
self.query_start, self.query_end))
new_entries = mast_query_darks(instrument, aperture,
self.query_start,
self.query_end)
logging.info('\tAperture: {}, new entries: {}'.format(
self.aperture, len(new_entries)))
# Set up a directory to store the data for this aperture
self.data_dir = os.path.join(
self.output_dir,
'data/{}_{}'.format(self.instrument.lower(),
self.aperture.lower()))
if len(new_entries) > 0:
ensure_dir_exists(self.data_dir)
# Get any new files to process
new_files = []
checked_files = []
for file_entry in new_entries:
output_filename = os.path.join(
self.data_dir,
file_entry['filename'].replace('_dark', '_uncal'))
# Sometimes both the dark and uncal name of a file is picked up in new_entries
if output_filename in checked_files:
logging.info(
'\t{} already checked in this run.'.format(
output_filename))
continue
checked_files.append(output_filename)
# Dont process files that already exist in the readnoise stats database
file_exists = self.file_exists_in_database(output_filename)
if file_exists:
logging.info(
'\t{} already exists in the readnoise database table.'
.format(output_filename))
continue
# Save any new uncal files with enough groups in the output directory; some dont exist in JWQL filesystem
try:
filename = filesystem_path(file_entry['filename'])
uncal_filename = filename.replace('_dark', '_uncal')
if not os.path.isfile(uncal_filename):
logging.info(
'\t{} does not exist in JWQL filesystem, even though {} does'
.format(uncal_filename, filename))
else:
num_groups = fits.getheader(
uncal_filename)['NGROUPS']
if num_groups > 1: # skip processing if the file doesnt have enough groups to calculate the readnoise; TODO change to 10 before incorporating MIRI
shutil.copy(uncal_filename, self.data_dir)
logging.info('\tCopied {} to {}'.format(
uncal_filename, output_filename))
set_permissions(output_filename)
new_files.append(output_filename)
else:
logging.info(
'\tNot enough groups to calculate readnoise in {}'
.format(uncal_filename))
except FileNotFoundError:
logging.info(
'\t{} does not exist in JWQL filesystem'.format(
file_entry['filename']))
# Run the readnoise monitor on any new files
if len(new_files) > 0:
self.process(new_files)
monitor_run = True
else:
logging.info(
'\tReadnoise monitor skipped. {} new dark files for {}, {}.'
.format(len(new_files), instrument, aperture))
monitor_run = False
# Update the query history
new_entry = {
'instrument': instrument,
'aperture': aperture,
'start_time_mjd': self.query_start,
'end_time_mjd': self.query_end,
'entries_found': len(new_entries),
'files_found': len(new_files),
'run_monitor': monitor_run,
'entry_date': datetime.datetime.now()
}
self.query_table.__table__.insert().execute(new_entry)
logging.info('\tUpdated the query history table')
logging.info('Readnoise Monitor completed successfully.')
