Example #1
0
    def _getFullPath(self, pathType=None, url=None, **pathParams):
        """Returns the full path of the file in the tree.

        This method must be overridden by each subclass.

        """

        # # check for public release
        # is_public = 'DR' in self._release
        # ismpl = 'MPL' in self._release
        # path_release = self._release.lower() if is_public or ismpl else None

        if not Path:
            raise MarvinMissingDependency('sdss_access is not installed')
        else:
            path = Path(release=self._release)
            try:
                if url:
                    fullpath = path.url(pathType, **pathParams)
                else:
                    fullpath = path.full(pathType, **pathParams)
            except Exception as ee:
                warnings.warn(
                    'sdss_access was not able to retrieve the full path of the file. '
                    'Error message is: {0}'.format(str(ee)), MarvinUserWarning)
                fullpath = None

        return fullpath
Example #2
0
def getDapRedux(release=None):
    ''' Retrieve SAS url link to the DAP redux directory

    Parameters:
        release (str):
            The release version of the data to download.
            Defaults to Marvin config.release.

    Returns:
        dapredux (str):
            The full redux path to the DAP MAPS
    '''

    if not Path:
        raise MarvinError('sdss_access is not installed')
    else:
        sdss_path = Path()

    release = release or marvin.config.release
    drpver, dapver = marvin.config.lookUpVersions(release=release)
    # hack a url version of MANGA_SPECTRO_ANALYSIS
    dapdefault = sdss_path.dir('mangadefault',
                               drpver=drpver,
                               dapver=dapver,
                               plate=None,
                               ifu=None)
    dappath = dapdefault.rsplit('/', 2)[0]
    dapredux = sdss_path.url('', full=dappath)
    return dapredux
Example #3
0
    def _initCubes(self):
        ''' Initialize a list of Marvin Cube objects '''

        _cubes = [None]
        if self.data_origin == 'file':
            sdss_path = Path(release=self.release)
            if self.dir3d == 'stack':
                cubes = sdss_path.expand('mangacube', drpver=self._drpver,
                                         plate=self.plateid, ifu='*', wave='LOG')
            else:
                cubes = sdss_path.expand('mangamastar', drpver=self._drpver,
                                         plate=self.plateid, ifu='*', wave='LOG')
            _cubes = [Cube(filename=cube, mode=self.mode, release=self.release) for cube in cubes]

        elif self.data_origin == 'db':
            _cubes = [Cube(plateifu=cube.plateifu, mode=self.mode, release=self.release)
                      for cube in self._plate.cubes]

        elif self.data_origin == 'api':
            routeparams = {'plateid': self.plateid}
            url = config.urlmap['api']['getPlateCubes']['url'].format(**routeparams)

            # Make the API call
            response = self._toolInteraction(url)
            data = response.getData()
            plateifus = data['plateifus']
            _cubes = [Cube(plateifu=pifu, mode=self.mode, release=self.release) for pifu in plateifus]

        FuzzyList.__init__(self, _cubes)
        self.mapper = (lambda e: e.plateifu)
Example #4
0
def getDefaultMapPath(**kwargs):
    ''' Retrieve the default Maps path

    Uses sdss_access Path to generate a url download link to the
    default MAPS file for a given MPL.

    Parameters:
        release (str):
            The release version of the data to download.
            Defaults to Marvin config.release.
        plate (int):
            The plate id
        ifu (int):
            The ifu number
        bintype (str):
            The bintype of the default file to grab. Defaults to MAPS
        daptype (str):
            The daptype of the default map to grab.  Defaults to SPX-MILESHC

    Returns:
        maplink (str):
            The sas url to download the default maps file
    '''

    if not Path:
        raise MarvinError('sdss_access is not installed')
    else:
        sdss_path = Path()

    # Get kwargs
    release = kwargs.get('release', marvin.config.release)
    drpver, dapver = marvin.config.lookUpVersions(release=release)
    plate = kwargs.get('plate', None)
    ifu = kwargs.get('ifu', None)
    daptype = kwargs.get('daptype', 'SPX-GAU-MILESHC')
    bintype = kwargs.get('bintype', 'MAPS')

    # get the sdss_path name by MPL
    # TODO: this is likely to break in future MPL/DRs. Just a heads up.
    if '4' in release:
        name = 'mangadefault'
    elif '5' in release:
        name = 'mangadap5'
    else:
        return None

    # construct the url link to default maps file
    maplink = sdss_path.url(name,
                            drpver=drpver,
                            dapver=dapver,
                            mpl=release,
                            plate=plate,
                            ifu=ifu,
                            daptype=daptype,
                            mode=bintype)
    return maplink
Example #5
0
    def initDynamic(self):
        ''' Route to run when the dynamic toggle is initialized
            This creates the web spectrum and dap heatmaps
        '''

        # get the form parameters
        args = av.manual_parse(self, request, use_params='galaxy', required='plateifu')

        # turning toggle on
        current_session['toggleon'] = args.get('toggleon')

        # get the cube
        cubeinputs = {'plateifu': args.get('plateifu'), 'release': self._release}
        cube = Cube(**cubeinputs)
        output = {'specstatus': -1, 'mapstatus': -1}

        # get web spectrum
        webspec, specmsg = getWebSpectrum(cube, cube.ra, cube.dec, byradec=True)
        daplist = get_dap_maplist(self._dapver, web=True)
        dapdefaults = get_default_mapset(self._dapver)

        # build the uber map dictionary
        try:
            mapdict = buildMapDict(cube, dapdefaults, self._dapver)
            mapmsg = None
        except Exception as e:
            mapdict = [{'data': None, 'msg': 'Error', 'plotparams': None} for m in dapdefaults]
            mapmsg = 'Error getting maps: {0}'.format(e)
        else:
            output['mapstatus'] = 1

        if not webspec:
            output['error'] = 'Error: {0}'.format(specmsg)
        else:
            output['specstatus'] = 1

        sdss_path = Path()
        output['image'] = sdss_path.url('mangaimage', drpver=cube._drpver, plate=cube.plate, ifu=cube.ifu, dir3d=cube.dir3d)
        output['spectra'] = webspec
        output['specmsg'] = specmsg
        output['maps'] = mapdict
        output['mapmsg'] = mapmsg
        output['dapmaps'] = daplist
        output['dapmapselect'] = dapdefaults

        dm = datamodel[self._dapver]
        output['dapbintemps'] = dm.get_bintemps(db_only=True)
        current_session['bintemp'] = '{0}-{1}'.format(dm.get_bintype(), dm.get_template())

        # try to jsonify the result
        try:
            jsonout = jsonify(result=output)
        except Exception as e:
            jsonout = jsonify(result={'specstatus': -1, 'mapstatus': -1, 'error': '{0}'.format(e)})

        return jsonout
Example #6
0
    def _checkFilename(self):
        ''' Checks the filename for a proper FITS file '''

        # if filename is not FITS, then try to load one
        if 'fits' not in self.filename.lower():

            if not Path:
                raise MarvinError('sdss_access is not installed')
            else:
                # is_public = 'DR' in self._release
                # path_release = self._release.lower() if is_public else None
                sdss_path = Path(release=self._release)

            # try a cube
            full = sdss_path.full('mangacube', drpver=self._drpver, plate=self.plateid, ifu='*', wave='LOG')
            cubeexists = sdss_path.any('', full=full)
            if cubeexists:
                file = sdss_path.one('', full=full)
            else:
                # try an rss
                full = sdss_path.full('mangarss', drpver=self._drpver, plate=self.plateid, ifu='*', wave='LOG')
                rssexists = sdss_path.any('', full=full)
                if rssexists:
                    file = sdss_path.one('', full=full)
                else:
                    file = None
            # load the file
            if file:
                self.filename = file
            else:
                self.filename = None
Example #7
0
async def get_path_kwargs(path: Type[PathModel] = Depends(extract_path)):
    """ Get a list of input keyword arguments

    Given an sdss_access path name, get the list of input keywords needed
    to construct the full path.

    Parameters
    ----------
        name : str
            a sdss_access path name

    Returns
    -------
        A dict of path name and list of string keywords
    """

    p = Path()
    return {'name': path.name, 'kwargs': p.lookup_keys(path.name)}
Example #8
0
    def _getFullPath(self, pathType=None, url=None, **pathParams):
        """Returns the full path of the file in the tree."""

        if not Path:
            raise MarvinMissingDependency('sdss_access is not installed')
        else:
            try:
                if url:
                    fullpath = Path().url(pathType, **pathParams)
                else:
                    fullpath = Path().full(pathType, **pathParams)
            except Exception as ee:
                warnings.warn(
                    'sdss_access was not able to retrieve the full path of the file. '
                    'Error message is: {0}'.format(str(ee)), MarvinUserWarning)
                fullpath = None

        return fullpath
Example #9
0
    def set_filepaths(self, pathtype='full'):
        """Set the paths for cube, maps, etc."""
        self.path = Path()
        if check_versions(self.drpver, 'v2_5_3'):
            self.imgpath = self.path.__getattribute__(pathtype)('mangaimagenew', **self.access_kwargs)
        else:
            self.imgpath = self.path.__getattribute__(pathtype)('mangaimage', **self.access_kwargs)
        self.cubepath = self.path.__getattribute__(pathtype)('mangacube', **self.access_kwargs)
        self.rsspath = self.path.__getattribute__(pathtype)('mangarss', **self.access_kwargs)

        if self.release == 'MPL-4':
            self.mapspath = self.path.__getattribute__(pathtype)('mangamap', **self.access_kwargs)
            self.modelpath = None
        else:
            self.access_kwargs.pop('mode')
            self.mapspath = self.path.__getattribute__(pathtype)('mangadap5', mode='MAPS',
                                                                 **self.access_kwargs)
            self.modelpath = self.path.__getattribute__(pathtype)('mangadap5', mode='LOGCUBE',
                                                                  **self.access_kwargs)
Example #10
0
 def __init__(self, *args, **kwargs):
     super().__init__(*args, **kwargs)
     p = Path()
     self.template = p.templates[self.name]
     if self.kwargs:
         self.full = p.full(self.name, **self.kwargs)
         self.url = p.url(self.name, **self.kwargs)
         self.file = p.name(self.name, **self.kwargs)
         self.location = p.location(self.name, **self.kwargs)
         self.exists = p.exists(self.name, **self.kwargs)
Example #11
0
 def good_kwargs(cls, v, values):
     name = values.get('name')
     keys = set(Path().lookup_keys(name))
     valid = set(v) & set(keys)
     if not valid:
         return None
     missing = set(keys) - set(v)
     if missing:
         mstr = ', '.join(missing)
         raise ValueError(
             f'Validation error: Missing kwargs {mstr} for name: {name}')
     return v
Example #12
0
def _getCube(name, use_file=False, release=None, **kwargs):
    ''' Retrieve a cube using marvin tools '''

    drpver, __ = config.lookUpVersions(release)

    cube = None
    results = {}

    # parse name into either mangaid or plateifu
    try:
        idtype = parseIdentifier(name)
    except Exception as ee:
        results['error'] = 'Failed to parse input name {0}: {1}'.format(name, str(ee))
        return cube, results

    filename = None
    plateifu = None
    mangaid = None

    try:
        if use_file:

            if idtype == 'mangaid':
                plate, ifu = mangaid2plateifu(name, drpver=drpver)
            elif idtype == 'plateifu':
                plate, ifu = name.split('-')

            if Path is not None:
                filename = Path(release=release).full('mangacube', ifu=ifu, plate=plate, drpver=drpver, wave='LOG')
                assert os.path.exists(filename), 'file not found.'
            else:
                raise MarvinError('cannot create path for MaNGA cube.')

        else:

            if idtype == 'plateifu':
                plateifu = name
            elif idtype == 'mangaid':
                mangaid = name
            else:
                raise MarvinError('invalid plateifu or mangaid: {0}'.format(idtype))

        cube = Cube(filename=filename, mangaid=mangaid, plateifu=plateifu,
                    mode='local', release=release)

        results['status'] = 1

    except Exception as ee:

        results['error'] = 'Failed to retrieve cube {0}: {1}'.format(name, str(ee))

    return cube, results
Example #13
0
File: rss.py Project: zpace/marvin
def _getRSS(name, use_file=True, release=None, **kwargs):
    """Retrieves a RSS Marvin object."""

    drpver, __ = marvin.config.lookUpVersions(release)

    rss = None
    results = {}

    # parse name into either mangaid or plateifu
    try:
        idtype = parseIdentifier(name)
    except Exception as ee:
        results['error'] = 'Failed to parse input name {0}: {1}'.format(name, str(ee))
        return rss, results

    filename = None
    plateifu = None
    mangaid = None

    try:
        if use_file:

            if idtype == 'mangaid':
                plate, ifu = mangaid2plateifu(name, drpver=drpver)
            elif idtype == 'plateifu':
                plate, ifu = name.split('-')

            if Path is not None:
                filename = Path().full('mangarss', ifu=ifu, plate=plate, drpver=drpver)
                assert os.path.exists(filename), 'file not found.'
            else:
                raise MarvinError('cannot create path for MaNGA rss.')

        else:

            if idtype == 'plateifu':
                plateifu = name
            elif idtype == 'mangaid':
                mangaid = name
            else:
                raise MarvinError('invalid plateifu or mangaid: {0}'.format(idtype))

        rss = marvin.tools.RSS(filename=filename, mangaid=mangaid, plateifu=plateifu,
                               mode='local', release=release)

        results['status'] = 1

    except Exception as ee:

        results['error'] = 'Failed to retrieve RSS {0}: {1}'.format(name, str(ee))

    return rss, results
Example #14
0
    def test_public(self):
        path = Path()
        url = path.url('mangacube', drpver='v2_3_1', plate=8485, ifu='1901')
        assert 'mangawork' in url

        release = 'dr14'
        path = Path(public=True, release=release)
        url = path.url('mangacube', drpver='v2_3_1', plate=8485, ifu='1901')
        assert release in url
Example #15
0
def _get_model_cube(name, use_file=False, release=None, **kwargs):
    """Retrieves a Marvin ModelCube object."""

    model_cube = None
    results = {}

    drpver, dapver = config.lookUpVersions(release)

    # parse name into either mangaid or plateifu
    try:
        idtype = parseIdentifier(name)
    except Exception as err:
        results['error'] = 'Failed to parse input name {0}: {1}'.format(
            name, str(err))
        return model_cube, results

    filename = None
    plateifu = None
    mangaid = None

    bintype = kwargs.pop('bintype')
    template = kwargs.pop('template')

    try:
        if use_file:

            if idtype == 'mangaid':
                plate, ifu = mangaid2plateifu(name, drpver=drpver)
            elif idtype == 'plateifu':
                plate, ifu = name.split('-')

            if Path is not None:

                daptype = '{0}-{1}'.format(bintype, template)

                filename = Path().full('mangadap5',
                                       ifu=ifu,
                                       drpver=drpver,
                                       dapver=dapver,
                                       plate=plate,
                                       mode='LOGCUBE',
                                       daptype=daptype)
                assert os.path.exists(filename), 'file not found.'
            else:
                raise MarvinError('cannot create path for MaNGA cube.')

        else:

            if idtype == 'plateifu':
                plateifu = name
            elif idtype == 'mangaid':
                mangaid = name
            else:
                raise MarvinError(
                    'invalid plateifu or mangaid: {0}'.format(idtype))

        model_cube = ModelCube(filename=filename,
                               mangaid=mangaid,
                               plateifu=plateifu,
                               release=release,
                               template=template,
                               bintype=bintype,
                               **kwargs)

        results['status'] = 1

    except Exception as err:

        results['error'] = 'Failed to retrieve ModelCube {0}: {1}'.format(
            name, str(err))

    return model_cube, results
Example #16
0
class Galaxy(object):
    """An example galaxy for Marvin-tools testing."""

    sasbasedir = os.getenv('SAS_BASE_DIR')
    mangaredux = os.getenv('MANGA_SPECTRO_REDUX')
    mangaanalysis = os.getenv('MANGA_SPECTRO_ANALYSIS')
    dir3d = 'stack'

    def __init__(self, plateifu):
        """Initialize plate and ifu."""
        self.plateifu = plateifu
        self.plate, self.ifu = self.plateifu.split('-')
        self.plate = int(self.plate)

    def set_galaxy_data(self, data_origin=None):
        """Set galaxy properties from the configuration file."""

        if self.plateifu not in galaxy_data:
            return

        data = copy.deepcopy(galaxy_data[self.plateifu])

        for key in data.keys():
            setattr(self, key, data[key])

        # sets specfic data per release
        releasedata = self.releasedata[self.release]
        for key in releasedata.keys():
            setattr(self, key, releasedata[key])

        # remap NSA drpall names for MPL-4 vs 5+
        drpcopy = self.nsa_data['drpall'].copy()
        for key, val in self.nsa_data['drpall'].items():
            if isinstance(val, list):
                newval, newkey = drpcopy.pop(key)
                if self.release == 'MPL-4':
                    drpcopy[newkey] = newval
                else:
                    drpcopy[key] = newval
        self.nsa_data['drpall'] = drpcopy

    def set_params(self, bintype=None, template=None, release=None):
        """Set bintype, template, etc."""

        self.release = release

        self.drpver, self.dapver = config.lookUpVersions(self.release)
        self.drpall = 'drpall-{0}.fits'.format(self.drpver)

        self.bintype = datamodel[self.dapver].get_bintype(bintype)
        self.template = datamodel[self.dapver].get_template(template)
        self.bintemp = '{0}-{1}'.format(self.bintype.name, self.template.name)

        if release == 'MPL-4':
            self.niter = int('{0}{1}'.format(self.template.n, self.bintype.n))
        else:
            self.niter = '*'

        self.access_kwargs = {
            'plate': self.plate,
            'ifu': self.ifu,
            'drpver': self.drpver,
            'dapver': self.dapver,
            'dir3d': self.dir3d,
            'mpl': self.release,
            'bintype': self.bintype.name,
            'n': self.niter,
            'mode': '*',
            'daptype': self.bintemp
        }

    def set_filepaths(self, pathtype='full'):
        """Set the paths for cube, maps, etc."""
        self.path = Path()
        self.imgpath = self.path.__getattribute__(pathtype)(
            'mangaimage', **self.access_kwargs)
        self.cubepath = self.path.__getattribute__(pathtype)(
            'mangacube', **self.access_kwargs)
        self.rsspath = self.path.__getattribute__(pathtype)(
            'mangarss', **self.access_kwargs)

        if self.release == 'MPL-4':
            self.mapspath = self.path.__getattribute__(pathtype)(
                'mangamap', **self.access_kwargs)
            self.modelpath = None
        else:
            self.access_kwargs.pop('mode')
            self.mapspath = self.path.__getattribute__(pathtype)(
                'mangadap5', mode='MAPS', **self.access_kwargs)
            self.modelpath = self.path.__getattribute__(pathtype)(
                'mangadap5', mode='LOGCUBE', **self.access_kwargs)

    def get_location(self, path):
        """Extract the location from the input path."""
        return self.path.location("", full=path)

    def partition_path(self, path):
        """Partition the path into non-redux/analysis parts."""
        endredux = path.partition(self.mangaredux)[-1]
        endanalysis = path.partition(self.mangaanalysis)[-1]
        end = (endredux or endanalysis)
        return end

    def new_path(self, name, newvar):
        ''' Sets a new path with the subsituted name '''
        access_copy = self.access_kwargs.copy()
        access_copy['mode'] = '*'
        access_copy.update(**newvar)

        if name == 'maps':
            access_copy['mode'] = 'MAPS'
            name = 'mangamap' if self.release == 'MPL-4' else 'mangadap5'
        elif name == 'modelcube':
            access_copy['mode'] = 'LOGCUBE'
            name = None if self.release == 'MPL-4' else 'mangadap5'

        path = self.path.full(name, **access_copy) if name else None
        return path
Example #17
0
def get_path(path_id, **kwargs):
    """A wrapper around sdss_access.path.Path."""

    return Path().full(path_id, **kwargs)
Example #18
0
    def get(self, galid):
        ''' Retrieve info for a given cube '''

        # determine type of galid
        args = av.manual_parse(self, request, use_params='galaxy')
        self.galaxy['id'] = args['galid']
        idtype = parseIdentifier(galid)
        if idtype in ['plateifu', 'mangaid']:
            # set plateifu or mangaid
            self.galaxy['idtype'] = idtype
            galaxyid = {self.galaxy['idtype']: galid, 'release': self._release}

            # Get cube
            try:
                cube = Cube(**galaxyid)
            except MarvinError as e:
                self.galaxy['cube'] = None
                self.galaxy['error'] = 'MarvinError: {0}'.format(e)
                return render_template("galaxy.html", **self.galaxy)
            else:
                self.galaxy['cube'] = cube
                self.galaxy['daplink'] = getDapRedux(release=self._release)
                # get SAS url links to cube, rss, maps, image
                if Path:
                    sdss_path = Path()
                    self.galaxy['image'] = sdss_path.url('mangaimage', drpver=cube._drpver, plate=cube.plate, ifu=cube.ifu, dir3d=cube.dir3d)
                    cubelink = sdss_path.url('mangacube', drpver=cube._drpver, plate=cube.plate, ifu=cube.ifu)
                    rsslink = sdss_path.url('mangarss', drpver=cube._drpver, plate=cube.plate, ifu=cube.ifu)
                    maplink = getDefaultMapPath(release=self._release, plate=cube.plate, ifu=cube.ifu, daptype='SPX-GAU-MILESHC', mode='MAPS')
                    self.galaxy['links'] = {'cube': cubelink, 'rss': rsslink, 'map': maplink}
                else:
                    self.galaxy['image'] = cube.data.image

            # Get the initial spectrum
            if cube:
                daplist = get_dap_maplist(self._dapver, web=True)
                dapdefaults = get_default_mapset(self._dapver)
                self.galaxy['cube'] = cube
                self.galaxy['toggleon'] = current_session.get('toggleon', 'false')
                self.galaxy['cubehdr'] = cube.header
                self.galaxy['quality'] = ('DRP3QUAL', cube.quality_flag.mask, cube.quality_flag.labels)
                self.galaxy['mngtarget'] = {'bits': [it.mask for it in cube.target_flags if it.mask != 0],
                                            'labels': [it.labels for it in cube.target_flags if len(it.labels) > 0],
                                            'names': [''.join(('MNGTARG', it.name[-1])) for it in cube.target_flags if it.mask != 0]}

                # make the nsa dictionary
                hasnsa = cube.nsa is not None
                self.galaxy['hasnsa'] = hasnsa
                if hasnsa:
                    cols = self.galaxy.get('nsaplotcols')
                    nsadict, nsacols = make_nsa_dict(cube.nsa)
                    nsatmp = [nsacols.pop(nsacols.index(i)) for i in cols]
                    nsatmp.extend(nsacols)
                    self.galaxy['nsacols'] = nsatmp
                    self.galaxy['nsadict'] = nsadict

                self.galaxy['dapmaps'] = daplist
                self.galaxy['dapmapselect'] = dapdefaults
                dm = datamodel[self._dapver]
                self.galaxy['dapbintemps'] = dm.get_bintemps(db_only=True)
                current_session['bintemp'] = '{0}-{1}'.format(dm.get_bintype(), dm.get_template())
                # TODO - make this general - see also search.py for querystr
                self.galaxy['cubestr'] = ("<html><samp>from marvin.tools.cube import Cube<br>cube = \
                    Cube(plateifu='{0}')<br># access the header<br>cube.header<br># get NSA data<br>\
                    cube.nsa<br></samp></html>".format(cube.plateifu))

                self.galaxy['spaxelstr'] = ("<html><samp>from marvin.tools.cube import Cube<br>cube = \
                    Cube(plateifu='{0}')<br># get a spaxel<br>spaxel=cube[16, 16]<br>flux = \
                    spaxel.flux<br>wave = flux.wavelength<br>ivar = flux.ivar<br>mask = \
                    flux.mask<br>flux.plot()<br></samp></html>".format(cube.plateifu))

                self.galaxy['mapstr'] = ("<html><samp>from marvin.tools.maps import Maps<br>maps = \
                    Maps(plateifu='{0}')<br>print(maps)<br># get an emission \
                    line map<br>haflux = maps.emline_gflux_ha_6564<br>values = \
                    haflux.value<br>ivar = haflux.ivar<br>mask = haflux.mask<br>haflux.plot()<br>\
                    </samp></html>".format(cube.plateifu))
        else:
            self.galaxy['error'] = 'Error: Galaxy ID {0} must either be a Plate-IFU, or MaNGA-Id designation.'.format(galid)
            return render_template("galaxy.html", **self.galaxy)

        return render_template("galaxy.html", **self.galaxy)
Example #19
0
def path():
    ''' Fixture to create a generic Path object '''
    path = Path()
    yield path
    path = None
Example #20
0
 def is_name(cls, v):
     if v not in Path().lookup_names():
         raise ValueError(
             f'Validation error: path name {v} not a valid sdss_access name'
         )
     return v
Example #21
0
    def get(self, galid):
        ''' Retrieve info for a given cube '''

        # determine type of galid
        args = av.manual_parse(self, request, use_params='galaxy')
        self.galaxy['id'] = args['galid']
        self.galaxy['latest_dr'] = self._release.lower(
        ) if 'DR' in self._release else marvin.config._get_latest_release(
            dr_only=True).lower()
        idtype = parseIdentifier(galid)
        if idtype in ['plateifu', 'mangaid']:
            # set plateifu or mangaid
            self.galaxy['idtype'] = idtype
            galaxyid = {self.galaxy['idtype']: galid, 'release': self._release}

            # Get cube
            try:
                cube = Cube(**galaxyid)
            except MarvinError as e:
                self.galaxy['cube'] = None
                errmsg = 'MarvinError: {0}'.format(e)

                # check target status and fine-tune the error message
                if idtype == 'mangaid':
                    status = target_status(galid, drpver=self._drpver)
                    if status == 'not yet observed':
                        errmsg = '{0} is a valid target but has not yet been observed'.format(
                            galid)
                    elif status == 'not valid target':
                        errmsg = '{0} is not valid MaNGA target.  Check your syntax'.format(
                            galid)

                self.galaxy['error'] = errmsg
                return render_template("galaxy.html", **self.galaxy)
            else:
                dm = datamodel[self._dapver]
                self.galaxy['cube'] = cube
                self.galaxy['daplink'] = getDapRedux(release=self._release)
                # get SAS url links to cube, rss, maps, image
                if Path:
                    is_public = 'DR' in self._release
                    path_release = self._release.lower() if is_public else None
                    sdss_path = Path(public=is_public, release=path_release)
                    self.galaxy['image'] = cube.getImage().url
                    cubelink = sdss_path.url('mangacube',
                                             drpver=cube._drpver,
                                             plate=cube.plate,
                                             ifu=cube.ifu)
                    rsslink = sdss_path.url('mangarss',
                                            drpver=cube._drpver,
                                            plate=cube.plate,
                                            ifu=cube.ifu)
                    daptype = "{0}-{1}".format(dm.default_bintype,
                                               dm.default_template)
                    maplink = getDefaultMapPath(release=self._release,
                                                plate=cube.plate,
                                                ifu=cube.ifu,
                                                daptype=daptype,
                                                mode='MAPS')
                    mclink = getDefaultMapPath(release=self._release,
                                               plate=cube.plate,
                                               ifu=cube.ifu,
                                               daptype=daptype,
                                               mode='LOGCUBE')
                    self.galaxy['links'] = {
                        'cube': cubelink,
                        'rss': rsslink,
                        'map': maplink,
                        'mc': mclink
                    }
                else:
                    self.galaxy['image'] = cube.data.image

            # Get the initial spectrum
            if cube:
                dm = datamodel[self._dapver]
                daplist = [p.full(web=True) for p in dm.properties]
                dapdefaults = dm.get_default_mapset()
                self.galaxy['cube'] = cube
                self.galaxy['toggleon'] = current_session.get(
                    'toggleon', 'false')
                self.galaxy['cubehdr'] = cube.header
                self.galaxy['quality'] = ('DRP3QUAL', cube.quality_flag.mask,
                                          cube.quality_flag.labels)
                self.galaxy['mngtarget'] = {
                    'bits':
                    [it.mask for it in cube.target_flags if it.mask != 0],
                    'labels': [
                        it.labels for it in cube.target_flags
                        if len(it.labels) > 0
                    ],
                    'names': [
                        ''.join(('MNGTARG', it.name[-1]))
                        for it in cube.target_flags if it.mask != 0
                    ]
                }

                # make the nsa dictionary
                hasnsa = cube.nsa is not None
                self.galaxy['hasnsa'] = hasnsa
                if hasnsa:
                    cols = self.galaxy.get('nsaplotcols')
                    nsadict, nsacols = make_nsa_dict(cube.nsa)
                    nsatmp = [
                        nsacols.pop(nsacols.index(i)) for i in cols
                        if i in nsacols
                    ]
                    nsatmp.extend(nsacols)
                    self.galaxy['nsacols'] = nsatmp
                    self.galaxy['nsadict'] = nsadict

                self.galaxy['dapmaps'] = daplist
                self.galaxy['dapmapselect'] = current_session.get(
                    'selected_dapmaps', dapdefaults)
                dm = datamodel[self._dapver]
                self.galaxy['dapbintemps'] = dm.get_bintemps(db_only=True)
                if 'bintemp' not in current_session or current_session[
                        'bintemp'] not in self.galaxy['dapbintemps']:
                    current_session['bintemp'] = '{0}-{1}'.format(
                        dm.get_bintype(), dm.get_template())

                # get default map quality
                maps = cube.getMaps(
                    plateifu=cube.plateifu,
                    mode='local',
                    bintype=current_session['bintemp'].split('-')[0])
                mapqual = ('DAPQUAL', maps.quality_flag.mask,
                           maps.quality_flag.labels)
                self.galaxy['mapquality'] = mapqual

                # TODO - make this general - see also search.py for querystr
                self.galaxy['cubestr'] = (
                    "<html><samp>from marvin.tools.cube import Cube<br>cube = \
                    Cube(plateifu='{0}')<br># access the header<br>cube.header<br># get NSA data<br>\
                    cube.nsa<br></samp></html>".format(cube.plateifu))

                self.galaxy['spaxelstr'] = (
                    "<html><samp>from marvin.tools.cube import Cube<br>cube = \
                    Cube(plateifu='{0}')<br># get a spaxel by slicing cube[i,j]<br>spaxel=cube[16, 16]<br>flux = \
                    spaxel.flux<br>wave = flux.wavelength<br>ivar = flux.ivar<br>mask = \
                    flux.mask<br>flux.plot()<br></samp></html>".format(
                        cube.plateifu))

                self.galaxy['mapstr'] = (
                    "<html><samp>from marvin.tools.maps import Maps<br>maps = \
                    Maps(plateifu='{0}')<br>print(maps)<br># get an emission \
                    line map<br>haflux = maps.emline_gflux_ha_6564<br>values = \
                    haflux.value<br>ivar = haflux.ivar<br>mask = haflux.mask<br>haflux.plot()<br>\
                    </samp></html>".format(cube.plateifu))
        else:
            self.galaxy[
                'error'] = 'Error: Galaxy ID {0} must either be a Plate-IFU, or MaNGA-Id designation.'.format(
                    galid)
            return render_template("galaxy.html", **self.galaxy)

        return render_template("galaxy.html", **self.galaxy)
Example #22
0
async def get_paths():
    """ Get a list of sdss_access path names """
    p = Path()
    return {'names': list(p.lookup_names())}
Example #23
0
class FileObject(BaseObject):
    path = Path()

    def __init__(self, inputs=None, filename=None, **kwargs):
        product = kwargs.pop('product', None)
        version = kwargs.pop('version', None)
        super(FileObject, self).__init__(product=product, version=version)
        self.path.replant_tree(str(version))
        self.filename = filename
        self.path_name = kwargs.pop('path_name', None)
        self.parent = kwargs.pop('parent', None)
        self._info = None
        self._stats = None
        self._changes = None
        self.loaded = False

        # check inputs and produce filename
        self._determine_inputs(inputs, **kwargs)
        self._parse_filename()

    def _determine_inputs(self, inputs, **kwargs):
        ''' Determine the input '''

        # use filename if found instead of inputs
        if inputs is None and self.filename:
            return

        # no input at all
        if not inputs and self.path_name is None:
            raise ValueError(
                'No input has been provided to determine a valid file')

        # check if inputs is a pathlib.Path
        if isinstance(inputs, pathlib.Path):
            inputs = str(inputs)

        assert isinstance(inputs, six.string_types), 'input must be a string'

        # check if input is an sdss_access Path
        if inputs in self.path.lookup_names():
            self.path_name = inputs
            keys = self.path.lookup_keys(inputs)
            missing = set(keys) - set(kwargs.keys())
            if missing:
                raise KeyError('Input sdss_access name missing '
                               'necessary kwargs: {0}'.format(
                                   ', '.join(missing)))

            # get the full path
            self.filename = self.path.full(inputs, **kwargs)
        else:
            # assume it is a filename
            self.filename = inputs

    def _parse_filename(self):
        ''' Parse a filename into components '''

        path = pathlib.Path(self.filename)
        self.filepath = path.parent
        self.filename = path.name
        self.fullpath = self.filepath / self.filename

        self.file_exists = self.path.exists('', full=self.fullpath)
        # if not self.file_exists:
        #     raise NameError('{0} not a valid file'.format(self.fullpath))

    @staticmethod
    def _get_example(example, replace=None):
        ''' set the example '''
        ex_regex = r'^(\w+work|dr\d{1,2})'
        assert re.match(ex_regex,
                        example), 'example must start work xxxwork or drxx'
        if replace and 'dr' in str(replace).lower():
            example = re.sub(ex_regex, str(replace).lower(), example)
        path = pathlib.Path(os.path.expandvars('$SAS_BASE_DIR')) / example
        return path

    @classmethod
    def from_example(cls, example, **kwargs):
        ''' Instantiates a file from an example filepath'''

        version = kwargs.get('version', None)
        path = cls._get_example(example, replace=version)
        # if not path.is_file():
        #     raise ValueError(f'Example provided does seem to exist!  Check again.')
        return cls(path, **kwargs)

    @classmethod
    def from_path(cls, path_name, example=None, **kwargs):
        ''' Instantiates a file from an sdss_access path definition '''
        path_kwargs = kwargs.pop('path_kwargs', None)
        version = kwargs.get('version', None)
        cls.path.replant_tree(str(version) if version else None)

        if example:
            path = cls._get_example(example, replace=version)
            args = cls.path.extract(path_name, path)
            kwargs.update(args)
        elif path_kwargs:
            # to handle sdss_access path kwargs and versioning issues
            # TODO cleanup version handling to better handle path_kwarg inputs
            args = path_kwargs.copy()
            missing = set(cls.path.lookup_keys(path_name)) - set(args.keys())
            if version:
                if isinstance(version, six.string_types):
                    version_kwarg = dict.fromkeys(missing, version)
                else:
                    version_kwarg = version.__dict__
                args.update(version_kwarg)
            kwargs.update(args)
        else:
            raise ValueError(
                'no example string or sdss_access path kwargs found.  Cannot construct object.'
            )

        return cls(path_name, **kwargs)

    def compute_changelog(self, otherfile=None):

        assert otherfile is not None, (
            'You must specify another file to view '
            'the changlog with this file.  Otherwise '
            'use the changlog from the datamodel to '
            'see the full changelog')

        if not self._changes:
            name = str(self.fullpath)
            self._changes = compute_diff(name, otherfile, change='fits')

        return self._changes
Example #24
0
# -*- coding: utf-8 -*-
#
# Filename: access.py
# Project: io
# Author: Brian Cherinka
# Created: Monday, 7th September 2020 1:41:59 pm
# License: BSD 3-clause "New" or "Revised" License
# Copyright (c) 2020 Brian Cherinka
# Last Modified: Monday, 7th September 2020 1:42:00 pm
# Modified By: Brian Cherinka

from __future__ import print_function, division, absolute_import
from sdss_access.path import Path
from astropy.io import fits

path = Path(public=True, release='DR15')


def get_path(name, ptype='full', **kwargs):
    ''' get an sdss_access local filepath '''
    if ptype == 'full':
        return path.full(name, **kwargs)
    elif ptype == 'name':
        return path.name(name, **kwargs)
    elif ptype == 'url':
        return path.url(name, **kwargs)
    else:
        return path.full(name, **kwargs)


def get_cube(plate=8485, ifu=1901, drpver='v2_4_3'):
Example #25
0
    def loadFibres(self, pM, replace=False):
        """Loads fibres from the plateHoles file for this plPlugMapM."""

        if self.verbose:
            print('Populating the fiber table for APOGEE plate ... ')

        plateHolesName = Path().name('plateHoles', plateid=self._getPlateID())

        # Make sure the plateholes file exists in the plateholes table
        # It needs to be added before the fiber table can be populated
        session = Session()
        with session.begin(subtransactions=True):
            try:
                session.query(plateDB.PlateHolesFile).filter(
                    plateDB.PlateHolesFile.filename == plateHolesName).one()
            except NoResultFound:
                raise PlPlugMapMFileException(
                    'Error: The plateHoles file \'{0}\' was not found in the '
                    'database for the plPlugMapM file \'{1}\' '
                    'Consequently, the \'fiber\' table cannot be populated. '
                    '(Was the script to load the plate holes table run?)'
                    .format(plateHolesName, pM.filename))

            except MultipleResultsFound:
                # This should really never happen. If it does, fix by adding a
                # unique contraint to the filename field of 'plate_holes_file'.
                raise PlPlugMapMFileException(
                    'Error: More than one entry in the plate_holes_file table '
                    'was found for the filename: \'{0}\''.format(pM.filename))

        # The plPlugMapM records should not have any fibre associated. We check
        # it. If there are, we raise an error except if replace=True.
        if len(pM.fibers) > 0:
            if replace is False:
                raise PlPlugMapMFileException(
                    'The PlPlugMapM record for filename={0} has fibres '
                    'associated. This should not happen unless you are '
                    'overwriting the records. You can try again with '
                    'replace=True'.format(pM.filename))
            else:
                warnings.warn('removing {0} fibres for PlPlugMapM with '
                              'filename={1}'.format(len(pM.fibers),
                                                    pM.filename), UserWarning)
                with session.begin(subtransactions=True):
                    fibers = session.query(plateDB.Fiber).filter(
                        plateDB.Fiber.pl_plugmap_m_pk == pM.pk)
                    fibers.delete()
                    session.flush()

        # When data is stored in postgres database, a number like 25.9983
        # might be stored as 25.998300001 or 25.99829999 so the (rounded)
        # values queried from the DB might not match exactly the (precise)
        # values from the pl_plugmap_m files. This method searches the database
        # for the matching value within a +/- sigma window for both x-focal
        # and y-focal. If sigma is very small, much smaller than the limit of
        # how close two fibers can be together, only one match will be found.

        plugMapObjs = self.data['PLUGMAPOBJ']
        sigmaX = .00001
        sigmaY = .00001

        fibreData = []

        # Creates and array of plateHoles
        with session.begin(subtransactions=True):
            ph_dbo = session.query(plateDB.PlateHole).join(
                plateDB.PlateHolesFile).filter(
                    plateDB.PlateHolesFile.filename ==
                    plateHolesName).all()

        plateHolesList = [(int(ph_dbo[ii].pk), float(ph_dbo[ii].xfocal),
                           float(ph_dbo[ii].yfocal))
                          for ii in range(len(ph_dbo))]
        plateHolesArray = np.array(plateHolesList)

        for (holeType, fiberId, spectrographId,
             xFocal, yFocal) in zip(plugMapObjs['holeType'],
                                    plugMapObjs['fiberId'],
                                    plugMapObjs['spectrographId'],
                                    plugMapObjs['xFocal'],
                                    plugMapObjs['yFocal']):

            if (holeType == 'OBJECT' and fiberId != -1 and
                    spectrographId == 2):

                # Finds the appropriate hole
                indices = np.where(
                    (plateHolesArray[:, 1] > (xFocal - sigmaX)) &
                    (plateHolesArray[:, 1] < (xFocal + sigmaX)) &
                    (plateHolesArray[:, 2] > (yFocal - sigmaY)) &
                    (plateHolesArray[:, 2] < (yFocal + sigmaY))
                )

                if len(indices) == 0:
                    raise PlPlugMapMFileException(
                        'Error: Problem filling fiber table for PlPlugMap {0}.'
                        ' No result found for plate hole at {1}, {2} ... '
                        'exiting'.format(pM.filename, xFocal, yFocal))
                elif len(indices) > 1:
                    raise PlPlugMapMFileException(
                        'Error: Problem filling fiber table for PlPlugMap {0}.'
                        ' Multiple results found for plate hole at '
                        '{1}, {2} ... exiting'.format(pM.filename, xFocal,
                                                      yFocal))

                plateHole = plateHolesArray[indices][0]
                # We are going to use bulk insert, so for now we just add the
                # data to a list.
                fibreData.append({'fiber_id': int(fiberId),
                                  'plate_hole_pk': plateHole[0],
                                  'pl_plugmap_m_pk': pM.pk})

        # Now we insert the data
        if len(fibreData) > 0:
            plateDB.db.engine.execute(
                plateDB.Fiber.__table__.insert(), fibreData)