Exemple #1
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def mast_authenticate(token=None):
    """Verify MAST authentication status, login if needed."""
    if Mast.authenticated() is False:
        if token is None:
            raise ValueError(
                'You are not authenticated in MAST. Please provide a valid token.'
            )
        else:
            Mast.login(token=token)
Exemple #2
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def test_invalid_query():
    """Test that the mnemonic query for an unauthorized user fails."""

    Mast.logout()

    mnemonic_identifier = 'IMIR_HK_ICE_SEC_VOLT4'
    start_time = Time('2019-01-16 00:00:00.000', format='iso')
    end_time = Time('2019-01-16 00:01:00.000', format='iso')
    try:
        query_single_mnemonic(mnemonic_identifier, start_time, end_time, token='1234')
    except RuntimeError:
        pass
Exemple #3
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def test_invalid_query():
    """Test that the mnemonic query for an unauthorized user fails."""
    Mast.logout()

    mnemonic_identifier = 'IMIR_HK_ICE_SEC_VOLT4'
    start_time = Time('2019-01-16 00:00:00.000', format='iso')
    end_time = Time('2019-01-16 00:01:00.000', format='iso')

    with pytest.raises((ValueError, RuntimeError)) as error_message:
        query_single_mnemonic(mnemonic_identifier, start_time, end_time, token='1234')

    assert 'You are not authenticated in MAST' in str(error_message.value) or \
           'Must be logged in as an authorized user' in str(error_message.value)
Exemple #4
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def get_mast_token(request=None):
    """Return MAST token from either Astroquery.Mast, webpage cookies, the
    JWQL configuration file, or an environment variable.

    Parameters
    ----------
    request : HttpRequest object
        Incoming request from the webpage

    Returns
    -------
    token : str or None
        User-specific MAST token string, if available
    """
    if Mast.authenticated():
        print('Authenticated with Astroquery MAST magic')
        return None
    else:
        try:
            # check if token is available via config file
            check_config_for_key('mast_token')
            token = get_config()['mast_token']
            print('Authenticated with config.json MAST token.')
            return token
        except (KeyError, ValueError):
            # check if token is available via environment variable
            # see https://auth.mast.stsci.edu/info
            try:
                token = os.environ['MAST_API_TOKEN']
                print('Authenticated with MAST token environment variable.')
                return token
            except KeyError:
                return None
def mast_request(version):
    """Access MAST and get JSON version of the keyword dictionary.

    Parameters
    ----------
    version : string
        Keyword dictionary version

    Returns
    -------
    kwd_dict : json object
        Keyword dictionary as a JSON nested dictionary object
    """
    service = "Mast.Jwst.Keywords"

    params = {
        "filename": "all.json",
        "version": str(version),
        "cacheBreaker": time()
    }

    resp = Mast.service_request_async(service, params)
    kwd_dict = resp[0].json()

    return kwd_dict
Exemple #6
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def test_astroquery_mast():
    """Test if the astroquery.mast service can complete a request"""
    service = 'Mast.Caom.Filtered'
    params = {'columns': 'COUNT_BIG(*)', 'filters': [], 'pagesize': 1,
              'page': 1}
    response = Mast.service_request_async(service, params)
    result = response[0].json()

    assert result['status'] == 'COMPLETE'
Exemple #7
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def query_single_mnemonic(mnemonic_identifier,
                          start_time,
                          end_time,
                          token=None):
    """Query DMS EDB to get the mnemonic readings in a time interval.

    The underlying MAST service returns data that include the
    datapoint preceding the requested start time and the datapoint
    that follows the requested end time.

    Parameters
    ----------
    mnemonic_identifier : str
        Telemetry mnemonic identifier, e.g. 'SA_ZFGOUTFOV'
    start_time : astropy.time.Time instance
        Start time
    end_time : astropy.time.Time instance
        End time
    token : str
        MAST token

    Returns
    -------
    data, meta, info : tuple
        Table and two dictionaries with the results of the query

    """
    mast_authenticate(token=token)

    if not is_valid_mnemonic(mnemonic_identifier):
        raise RuntimeError('Mnemonic identifier is invalid!')

    if not isinstance(start_time, Time):
        raise RuntimeError(
            'Please specify a valid start time (instance of astropy.time.core.Time)'
        )

    if not isinstance(end_time, Time):
        raise RuntimeError(
            'Please specify a valid end time (instance of astropy.time.core.Time)'
        )

    parameters = {
        'mnemonic': mnemonic_identifier,
        'start': start_time.iso,
        'end': end_time.iso
    }
    result = Mast.service_request_async(mast_edb_timeseries_service,
                                        parameters)
    data, meta = process_mast_service_request_result(result)

    # get auxiliary information (description, subsystem, ...)
    info = query_mnemonic_info(mnemonic_identifier)

    return data, meta, info
def log_into_mast(request):
    """Login via astroquery.mast if user authenticated in web app.

    Parameters
    ----------
    request : HttpRequest object
        Incoming request from the webpage

    """
    if Mast.authenticated():
        return True

    # get the MAST access token if present
    access_token = str(get_mast_token(request))

    # authenticate with astroquery.mast if necessary
    if access_token != 'None':
        Mast.login(token=access_token)
        return Mast.authenticated()
    else:
        return False
def mnemonic_inventory():
    """Return all mnemonics in the DMS engineering database.

    Returns
    -------
    data : astropy.table.Table
        Table representation of the mnemonic inventory.
    meta : dict
        Additional information returned by the query.
    """

    out = Mast.service_request_async(mast_edb_mnemonic_service, {})
    data, meta = process_mast_service_request_result(out)
    return data, meta
Exemple #10
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def get_thumbnails_all_instruments(instruments):
    """Return a list of thumbnails available in the filesystem for all
    instruments given requested parameters.

    Returns
    -------
    thumbnails : list
        A list of thumbnails available in the filesystem for the
        given instrument.
    """

    # Make sure instruments are of the proper format (e.g. "Nircam")
    thumbnail_list = []
    for inst in instruments:  # JWST_INSTRUMENT_NAMES:
        instrument = inst[0].upper() + inst[1:].lower()

        ### adjust query based on request

        # Query MAST for all rootnames for the instrument
        service = "Mast.Jwst.Filtered.{}".format(instrument)
        params = {
            "columns":
            "filename, expstart, filter, readpatt, date_beg, date_end, apername, exp_type",
            "filters": [{
                "paramName": "expstart",
                "values": [{
                    "min": 57404.04,
                    "max": 57404.07
                }],
            }]
        }
        response = Mast.service_request_async(service, params)
        results = response[0].json()['data']

        # Parse the results to get the rootnames
        filenames = [result['filename'].split('.')[0] for result in results]

        # Get list of all thumbnails
        thumbnails = glob.glob(
            os.path.join(THUMBNAIL_FILESYSTEM, '*', '*.thumb'))

    thumbnail_list.extend(thumbnails)

    # Get subset of preview images that match the filenames
    thumbnails = [
        os.path.basename(item) for item in thumbnail_list
        if os.path.basename(item).split('_integ')[0] in filenames
    ]

    return thumbnails
def query_single_mnemonic(mnemonic_identifier, start_time, end_time):
    """Query DMS EDB to get the mnemonic readings in a time interval.

    Parameters
    ----------
    mnemonic_identifier : str
        Telemetry mnemonic identifier, e.g. 'SA_ZFGOUTFOV'
    start_time : astropy.time.Time instance
        Start time
    end_time : astropy.time.Time instance
        End time

    Returns
    -------
    mnemonic : instance of EdbMnemonic
        Object that contains the returned data
    """

    if not isinstance(start_time, astropy.time.core.Time):
        raise RuntimeError(
            'Please specify a valid start time (instance of astropy.time.core.Time)'
        )

    if not isinstance(end_time, astropy.time.core.Time):
        raise RuntimeError(
            'Please specify a valid end time (instance of astropy.time.core.Time)'
        )

    if not isinstance(mnemonic_identifier, str):
        raise RuntimeError('Please provide mnemonic_identifier of type string')

    parameters = {
        'mnemonic': mnemonic_identifier,
        'start': start_time.iso,
        'end': end_time.iso
    }
    result = Mast.service_request_async(mast_edb_timeseries_service,
                                        parameters)
    data, meta = process_mast_service_request_result(result)

    # get auxiliary information (description, subsystem, ...)
    info = query_mnemonic_info(mnemonic_identifier)

    # create and return instance
    mnemonic = EdbMnemonic(mnemonic_identifier, start_time, end_time, data,
                           meta, info)
    return mnemonic
Exemple #12
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def get_filenames_by_instrument(instrument, restriction='all'):
    """Returns a list of filenames that match the given ``instrument``.

    Parameters
    ----------
    instrument : str
        The instrument of interest (e.g. `FGS`).
    restriction : str
        If ``all``, all filenames will be returned.  If ``public``,
        only publicly-available filenames will be returned.  If
        ``proprietary``, only proprietary filenames will be returned.

    Returns
    -------
    filenames : list
        A list of files that match the given instrument.
    """

    service = INSTRUMENT_SERVICE_MATCH[instrument]

    # Query for filenames
    params = {"columns": "filename, isRestricted", "filters": []}
    response = Mast.service_request_async(service, params)
    result = response[0].json()

    # Determine filenames to return based on restriction parameter
    if restriction == 'all':
        filenames = [item['filename'] for item in result['data']]
    elif restriction == 'public':
        filenames = [
            item['filename'] for item in result['data']
            if item['isRestricted'] is False
        ]
    elif restriction == 'proprietary':
        filenames = [
            item['filename'] for item in result['data']
            if item['isRestricted'] is True
        ]
    else:
        raise KeyError(
            '{} is not a valid restriction level.  Use "all", "public", or "proprietary".'
            .format(restriction))

    return filenames
Exemple #13
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    def get_files_for_instrument(self, instrument):
        """Given an instrument, query the database for all filenames
        and paths associated with said instrument

        Parameters
        ----------
        instrument : str
            Name of JWST instrument

        Returns
        -------
        filepaths: list
            List of all filepaths in database for the provided
            instrument
        filenames: list
            List of all filenames in database for the provided
            instrument
        """

        instrument = instrument.upper()

        if self.db_type == 'SQL':
            results = self.session.query(self.ObservationWebtest)\
                .filter(self.ObservationWebtest.instrument == instrument)
        elif self.db_type == 'MAST':
            params = {"columns": "*", "filters": []}
            response = Mast.service_request_async(self.service, params)
            results = response[0].json()['data']

        filepaths = []
        filenames = []
        for i in results:
            if self.db_type == 'SQL':
                filename = i.filename
            elif self.db_type == 'MAST':
                filename = i['filename']
            prog_id = filename[2:7]
            file_path = os.path.join('jw' + prog_id, filename)
            filepaths.append(file_path)
            filenames.append(filename)

        session.close()
        return filepaths, filenames
def query_mnemonic_info(mnemonic_identifier):
    """Query the EDB to return the mnemonic description.

    Parameters
    ----------
    mnemonic_identifier : str
        Telemetry mnemonic identifier, e.g. ``SA_ZFGOUTFOV``

    Returns
    -------
    info : dict
        Object that contains the returned data
    """

    parameters = {"mnemonic": "{}".format(mnemonic_identifier)}
    result = Mast.service_request_async(mast_edb_dictionary_service,
                                        parameters)
    info = process_mast_service_request_result(result, data_as_table=False)[0]
    return info
def get_preview_images_by_instrument(inst):
    """Return a list of preview images available in the filesystem for
    the given instrument.

    Parameters
    ----------
    inst : str
        The instrument of interest (e.g. ``NIRCam``).

    Returns
    -------
    preview_images : list
        A list of preview images available in the filesystem for the
        given instrument.
    """

    # Make sure the instrument is of the proper format (e.g. "Nircam")
    instrument = inst[0].upper() + inst[1:].lower()

    # Query MAST for all rootnames for the instrument
    service = "Mast.Jwst.Filtered.{}".format(instrument)
    params = {"columns": "filename", "filters": []}
    response = Mast.service_request_async(service, params)
    results = response[0].json()['data']

    # Parse the results to get the rootnames
    filenames = [result['filename'].split('.')[0] for result in results]

    # Get list of all preview_images
    preview_images = glob.glob(
        os.path.join(PREVIEW_IMAGE_FILESYSTEM, '*', '*.jpg'))

    # Get subset of preview images that match the filenames
    preview_images = [
        os.path.basename(item) for item in preview_images
        if os.path.basename(item).split('_integ')[0] in filenames
    ]

    # Return only

    return preview_images
Exemple #16
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def mnemonic_inventory():
    """Return all mnemonics in the DMS engineering database.
    No authentication is required, this information is public.
    Since this is a rather large and quasi-static table (~15000 rows),
    it is cached using functools.

    Returns
    -------
    data : astropy.table.Table
        Table representation of the mnemonic inventory.
    meta : dict
        Additional information returned by the query.
    """

    out = Mast.service_request_async(MAST_EDB_MNEMONIC_SERVICE, {})
    data, meta = process_mast_service_request_result(out)

    # convert numerical ID to str for homogenity (all columns are str)
    data['tlmIdentifier'] = data['tlmIdentifier'].astype(str)

    return data, meta
def get_instrument_proposals(instrument):
    """Return a list of proposals for the given instrument

    Parameters
    ----------
    instrument : str
        Name of the JWST instrument

    Returns
    -------
    proposals : list
        List of proposals for the given instrument
    """

    service = "Mast.Jwst.Filtered.{}".format(instrument)
    params = {"columns": "program", "filters": []}
    response = Mast.service_request_async(service, params)
    results = response[0].json()['data']
    proposals = list(set(result['program'] for result in results))

    return proposals
Exemple #18
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def get_expstart(instrument, rootname):
    """Return the exposure start time (``expstart``) for the given
    ``rootname``.

    The ``expstart`` is gathered from a query to the
    ``astroquery.mast`` service.

    Parameters
    ----------
    instrument : str
        The instrument of interest (e.g. `FGS`).
    rootname : str
        The rootname of the observation of interest (e.g.
        ``jw86700006001_02101_00006_guider1``).

    Returns
    -------
    expstart : float
        The exposure start time of the observation (in MJD).
    """

    file_set_name = '_'.join(rootname.split('_')[:-1])
    service = INSTRUMENT_SERVICE_MATCH[instrument]
    params = {
        'columns': 'filename, expstart',
        'filters': [{
            'paramName': 'fileSetName',
            'values': [file_set_name]
        }]
    }
    response = Mast.service_request_async(service, params)
    result = response[0].json()
    if result['data'] == []:
        expstart = 0
        print("WARNING: no data")
    else:
        expstart = min([item['expstart'] for item in result['data']])

    return expstart
Exemple #19
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def query_mnemonic_info(mnemonic_identifier, token=None):
    """Query the EDB to return the mnemonic description.

    Parameters
    ----------
    mnemonic_identifier : str
        Telemetry mnemonic identifier, e.g. ``SA_ZFGOUTFOV``
    token : str
        MAST token

    Returns
    -------
    info : dict
        Object that contains the returned data
    """

    parameters = {"mnemonic": "{}".format(mnemonic_identifier)}
    result = Mast.service_request_async(MAST_EDB_DICTIONARY_SERVICE,
                                        parameters)
    info = process_mast_service_request_result(result, data_as_table=False)[0]

    return info
Exemple #20
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def instrument_inventory(instrument,
                         dataproduct=JWST_DATAPRODUCTS,
                         add_filters=None,
                         add_requests=None,
                         caom=False,
                         return_data=False):
    """Get the counts for a given instrument and data product

    Parameters
    ----------
    instrument: str
        The instrument name, i.e. one of ['niriss','nircam','nirspec',
        'miri','fgs']
    dataproduct: sequence, str
        The type of data product to search
    add_filters: dict
        The ('paramName':'values') pairs to include in the 'filters'
        argument of the request e.g. add_filters = {'filter':'GR150R'}
    add_requests: dict
        The ('request':'value') pairs to include in the request
        e.g. add_requests = {'pagesize':1, 'page':1}
    caom: bool
        Query CAOM service
    return_data: bool
        Return the actual data instead of counts only

    Returns
    -------
    int, dict
        The number of database records that satisfy the search criteria
        or a dictionary of the data if `return_data=True`
    """
    filters = []

    # Make sure the dataproduct is a list
    if isinstance(dataproduct, str):
        dataproduct = [dataproduct]

    # Make sure the instrument is supported
    if instrument.lower() not in [
            ins.lower() for ins in JWST_INSTRUMENT_NAMES
    ]:
        raise TypeError('Supported instruments include:',
                        JWST_INSTRUMENT_NAMES)

    # CAOM service
    if caom:

        # Declare the service
        service = 'Mast.Caom.Filtered'

        # Set the filters
        filters += [{
            'paramName': 'obs_collection',
            'values': ['JWST']
        }, {
            'paramName': 'instrument_name',
            'values': [instrument]
        }, {
            'paramName': 'dataproduct_type',
            'values': dataproduct
        }]

    # Instruent filtered service
    else:

        # Declare the service
        service = 'Mast.Jwst.Filtered.{}'.format(instrument.title())

    # Include additonal filters
    if isinstance(add_filters, dict):
        filters += [{
            "paramName": name,
            "values": [val]
        } for name, val in add_filters.items()]

    # Assemble the request
    params = {
        'columns': 'COUNT_BIG(*)',
        'filters': filters,
        'removenullcolumns': True
    }

    # Just get the counts
    if return_data:
        params['columns'] = '*'

    # Add requests
    if isinstance(add_requests, dict):
        params.update(add_requests)

    response = Mast.service_request_async(service, params)
    result = response[0].json()

    # Return all the data
    if return_data:
        return result

    # Or just the counts
    else:
        return result['data'][0]['Column1']
Exemple #21
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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 = get_config()['filesystem']
    dataset = os.path.join(filesystem,
                           'jw{}'.format(filename_dict['program_id']),
                           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
    plt = Donut(im.data, plot_width=600, plot_height=600)
    plt.sizing_mode = 'stretch_both'  # Necessary for responsive sizing on web app
    script, div = components(plt)

    plot_output_dir = get_config()['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)
Exemple #22
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def get_thumbnails_all_instruments(parameters):
    """Return a list of thumbnails available in the filesystem for all
    instruments given requested MAST parameters and queried anomalies.

    Parameters
    ----------
    parameters: dict
        A dictionary containing the following keys, some of which are dictionaries:
            instruments
            apertures
            filters
            detector
            effexptm_min
            effexptm_max
            anomalies

    Returns
    -------
    thumbnails : list
        A list of thumbnails available in the filesystem for the
        given instrument.
    """

    anomalies = parameters['anomalies']

    filenames = []

    for inst in parameters['instruments']:
        # Make sure instruments are of the proper format (e.g. "Nircam")
        instrument = inst[0].upper() + inst[1:].lower()

        # Query MAST for all rootnames for the instrument
        service = "Mast.Jwst.Filtered.{}".format(instrument)

        if (parameters['apertures'][inst.lower()] == []) and (parameters['detectors'][inst.lower()] == []) \
            and (parameters['filters'][inst.lower()] == []) and (parameters['exposure_types'][inst.lower()] == []) \
            and (parameters['read_patterns'][inst.lower()] == []):
            params = {"columns": "*", "filters": []}
        else:
            query_filters = []
            if (parameters['apertures'][inst.lower()] != []):
                if instrument != "Nircam":
                    query_filters.append({
                        "paramName":
                        "pps_aper",
                        "values":
                        parameters['apertures'][inst.lower()]
                    })
                if instrument == "Nircam":
                    query_filters.append({
                        "paramName":
                        "apername",
                        "values":
                        parameters['apertures'][inst.lower()]
                    })
            if (parameters['detectors'][inst.lower()] != []):
                query_filters.append({
                    "paramName":
                    "detector",
                    "values":
                    parameters['detectors'][inst.lower()]
                })
            if (parameters['filters'][inst.lower()] != []):
                query_filters.append({
                    "paramName":
                    "filter",
                    "values":
                    parameters['filters'][inst.lower()]
                })
            if (parameters['exposure_types'][inst.lower()] != []):
                query_filters.append({
                    "paramName":
                    "exp_type",
                    "values":
                    parameters['exposure_types'][inst.lower()]
                })
            if (parameters['read_patterns'][inst.lower()] != []):
                query_filters.append({
                    "paramName":
                    "readpatt",
                    "values":
                    parameters['read_patterns'][inst.lower()]
                })
            params = {"columns": "*", "filters": query_filters}

        response = Mast.service_request_async(service, params)
        results = response[0].json()['data']

        inst_filenames = [
            result['filename'].split('.')[0] for result in results
        ]
        filenames.extend(inst_filenames)

    # Get list of all thumbnails
    thumbnail_list = glob.glob(
        os.path.join(THUMBNAIL_FILESYSTEM, '*', '*.thumb'))

    # Get subset of preview images that match the filenames
    thumbnails_subset = [
        os.path.basename(item) for item in thumbnail_list
        if os.path.basename(item).split('_integ')[0] in filenames
    ]

    # Eliminate any duplicates
    thumbnails_subset = list(set(thumbnails_subset))

    # Determine whether or not queried anomalies are flagged
    final_subset = []

    if anomalies != {
            'miri': [],
            'nirspec': [],
            'niriss': [],
            'nircam': [],
            'fgs': []
    }:
        for thumbnail in thumbnails_subset:
            components = thumbnail.split('_')
            rootname = ''.join((components[0], '_', components[1], '_',
                                components[2], '_', components[3]))
            try:
                instrument = filename_parser(thumbnail)['instrument']
                thumbnail_anomalies = get_current_flagged_anomalies(
                    rootname, instrument)
                if thumbnail_anomalies:
                    for anomaly in anomalies[instrument.lower()]:
                        if anomaly.lower() in thumbnail_anomalies:
                            # thumbnail contains an anomaly selected in the query
                            final_subset.append(thumbnail)
            except KeyError:
                print("Error with thumbnail: ", thumbnail)
    else:
        # if no anomalies are flagged, return all thumbnails from query
        final_subset = thumbnails_subset

    return list(set(final_subset))
Exemple #23
0
def get_thumbnails_all_instruments(parameters):
    """Return a list of thumbnails available in the filesystem for all
    instruments given requested MAST parameters and queried anomalies.

    Parameters
    ----------
    parameters: dict
        A dictionary containing the following keys, some of which are dictionaries:
            instruments
            apertures
            filters
            detector
            effexptm_min
            effexptm_max
            anomalies

    Returns
    -------
    thumbnails : list
        A list of thumbnails available in the filesystem for the
        given instrument.
    """

    anomalies = parameters['anomalies']

    thumbnail_list = []
    filenames = []

    if parameters['instruments'] is None:
        thumbnails = []
    for inst in parameters['instruments']:
        print("Retrieving thumbnails for", inst)
        # Make sure instruments are of the proper format (e.g. "Nircam")
        instrument = inst[0].upper() + inst[1:].lower()

        # Query MAST for all rootnames for the instrument
        service = "Mast.Jwst.Filtered.{}".format(instrument)

        params = {
            "columns":
            "*",
            "filters": [{
                "paramName": "apername",
                "values": parameters['apertures'][inst.lower()]
            }, {
                "paramName": "detector",
                "values": parameters['detectors'][inst.lower()]
            }, {
                "paramName": "filter",
                "values": parameters['filters'][inst.lower()]
            }, {
                "paramName": "exp_type",
                "values": parameters['exposure_types'][inst.lower()]
            }, {
                "paramName": "readpatt",
                "values": parameters['read_patterns'][inst.lower()]
            }]
        }

        response = Mast.service_request_async(service, params)
        results = response[0].json()['data']

        for result in results:
            filename = result['filename'].split('.')[0]
            filenames.append(filename)

        # Get list of all thumbnails
        thumbnails = glob.glob(
            os.path.join(THUMBNAIL_FILESYSTEM, '*', '*.thumb'))
        thumbnail_list.extend(thumbnails)

    # Get subset of preview images that match the filenames
    thumbnails_subset = [
        os.path.basename(item) for item in thumbnail_list
        if os.path.basename(item).split('_integ')[0] in filenames
    ]

    # Eliminate any duplicates
    thumbnails_subset = list(set(thumbnails_subset))

    # Determine whether or not queried anomalies are flagged
    final_subset = []
    for thumbnail in thumbnails_subset:
        components = thumbnail.split('_')
        rootname = '{}_{}_{}_{}'.format(components[0], components[1],
                                        components[2], components[3])
        try:
            instrument = JWST_INSTRUMENT_NAMES_SHORTHAND[thumbnail.split("_")
                                                         [3][:3]]
            thumbnail_anomalies = get_current_flagged_anomalies(
                rootname, instrument)
            if thumbnail_anomalies:
                for anomaly in anomalies[instrument.lower()]:
                    if anomaly.lower() in thumbnail_anomalies:
                        print(thumbnail,
                              "contains an anomaly selected in the query")
                        final_subset.append(thumbnail)
        except KeyError:
            try:
                instrument = JWST_INSTRUMENT_NAMES_SHORTHAND[thumbnail.split(
                    "_")[2][:3]]
                thumbnail_anomalies = get_current_flagged_anomalies(
                    rootname, instrument)
                if thumbnail_anomalies:
                    for anomaly in anomalies[instrument.lower()]:
                        if anomaly.lower() in thumbnail_anomalies:
                            print(thumbnail,
                                  "contains an anomaly selected in the query")
                            final_subset.append(thumbnail)
            except KeyError:
                print("Error with thumbnail: ", thumbnail)

    if not final_subset:
        print("No images matched anomaly selection")
        final_subset = thumbnails_subset
        if not final_subset:
            final_subset = thumbnails[:10]

    return list(set(final_subset))
"""

import astropy
from astropy.table import Table
from astropy.time import Time
from astroquery.mast import Mast
from bokeh.embed import components
from bokeh.plotting import figure

from .utils import get_config

# should use oauth.register_oauth()?
settings = get_config()
mast_token = settings['mast_token']

Mast.login(token=mast_token)

# could eventually be moved to constants.py
mast_edb_timeseries_service = 'Mast.JwstEdb.GetTimeseries.All'
mast_edb_dictionary_service = 'Mast.JwstEdb.Dictionary'
mast_edb_mnemonic_service = 'Mast.JwstEdb.Mnemonics'


class EdbMnemonic:
    """Class to hold and manipulate results of DMS EngDB queries."""
    def __init__(self, mnemonic_identifier, start_time, end_time, data, meta,
                 info):
        """Populate attributes.

        Parameters
        ----------