示例#1
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def test():
    descriptors = [AbbeValueDescr()]
    # deciders = [NeuronDecider(maxEpochs=800)]
    deciders = [LDADec(), QDADec(), GradBoostDec()]
    s_stars = [Star(name="Searched_{}".format(i)) for i in range(100)]
    c_stars = [Star(name="Contam_{}".format(i)) for i in range(100)]

    x = np.linspace(0, 10, 100)
    for st in s_stars:
        st.putLightCurve([x, np.cos(x) - 0.5 + np.random.random_sample(100)])

    for st in c_stars:
        st.putLightCurve([x, np.exp(x * np.random.random_sample(100))])

    filt = StarsFilter(descriptors, deciders)
    filt.learn(s_stars, c_stars)

    searcher = StarsSearcherRedis([filt],
                                  db_connector="OgleII",
                                  save_path="/tmp/test_stars")

    queries = [{"field": "LMC_SC3", "starid": i} for i in range(1, 10)]
    searcher.queryStars(queries)

    run_workers(n_workers=1)

    assert len(searcher.getPassedStars()) > 0

    time.sleep(2)
    assert len(searcher.getStatus()) == len(queries)
示例#2
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    def _loadDatFiles(self, star_paths, numberOfFiles):
        if not star_paths:
            return []
        stars = []
        counter = 1
        # Load every light curve and put it into star object
        for singleFile in tqdm(star_paths[:numberOfFiles],
                               desc="Loading dat files:"):
            if self.files_to_load and os.path.basename(
                    singleFile) not in self.files_to_load:
                break

            lc = LightCurve(self._loadLcFromDat(singleFile))

            # Check if light curve is not empty
            if (len(lc.mag) >= 1):
                db_ident = self.parseFileName(singleFile)
                if self.db_ident:
                    ident = {self.db_ident: {"name": db_ident}}
                else:
                    ident = {"file": {"name": db_ident}}

                star = Star(ident=ident)
                star.starClass = self.star_class

                star.putLightCurve(lc)
                stars.append(star)
            counter += 1
        return stars
 def setUp(self):
     self.star1 = Star()
     x = np.linspace(1, 10, 100)
     self.star1.lightCurve = [x, np.sin(x)]
     self.star2 = Star()
     self.star2.lightCurve = [x, np.cos(x)]
     self.star3 = Star()
     self.star3.lightCurve = [x, np.cos(x + 0.5)]
示例#4
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    def _createStar(self, data, keys, lc_opt, **kwargs):
        """
        Create Star objects from query result

        Parameters
        ----------
        data : list
            Result from query

        keys : list
            Name of columns of data

        lc_opt : bool
            Obtain light curves if True

        Returns
        --------
        list
            List of Star objects
        """
        stars = []
        for raw_star in data:
            ident = {}
            for key, value in self.IDENT_MAP.iteritems():
                db_ident = {}
                if isinstance(value, (list, tuple)):
                    for ide in value:
                        db_ident[ide] = raw_star[keys.index(ide)]
                    name = self.NAME.format(**db_ident)
                else:
                    name = raw_star[keys.index(value)]

                if not db_ident:
                    db_ident = None

                ident[key] = {"name": name, "db_ident": db_ident}

            more = {}
            for key, value in self.MORE_MAP.iteritems():
                more_item = raw_star[keys.index(key)]
                more[value] = more_item
            raw_star_dict = dict(zip(keys, raw_star))

            star = Star(name=self.NAME.format(**raw_star_dict),
                        coo=(raw_star_dict[self.RA],
                             raw_star_dict[self.DEC]),
                        ident=ident,
                        more=more)

            if lc_opt:
                star.putLightCurve(self._getLightCurve(star=star,
                                                       file_name=raw_star_dict.get(
                                                           self.LC_FILE, None),
                                                       **kwargs))
            stars.append(star)
        return stars
示例#5
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    def _createStars(self, header, rows, lc_tmp):
        # [u'No', u'Field', u'StarID', u'RA', u'Decl', u'V', u'I', u'B']
        # [u'No', u'Field', u'StarID', u'RA', u'Decl', u'I']

        cols_map = self._parseHeader(header)
        stars = []
        for row in rows:
            field = str(row[cols_map.get("field")])
            starid = str(row[cols_map.get("starid")])
            ra = float(row[cols_map.get("ra")])
            dec = float(row[cols_map.get("dec")])

            identifiers = {}
            identifiers["Macho"] = row[cols_map.get("macho_id")]
            identifiers["Asas"] = row[cols_map.get("asas_id")]
            identifiers["OgleII"] = row[cols_map.get("ogle_ii_id")]
            identifiers["GCVS"] = row[cols_map.get("gcvs_id")]

            name = str(row[cols_map.get("name")])
            ident = {"OgleIII": {"name": name,
                                 "db_ident": {"field": field,
                                              "starid": starid}}}

            for ide, val in identifiers.iteritems():
                if val != u"\xa0":
                    ident[ide] = {"name": str(val)}

                    query_ide = self._parseDbNames(ide, val)
                    if query_ide:
                        ident[ide]["db_ident"] = query_ide

            more = {}
            for col in self.MORE:
                if cols_map.get(col) and cols_map.get(col):
                    val = row[cols_map.get(col)]
                    if val != u"\xa0":
                        try:
                            val = float(val)
                        except:
                            val = str(val)

                        more[col] = val

            coo = (ra * 15, dec, "deg")

            st = Star(ident, name, coo, more)
            st.starClass = str(row[cols_map.get("type")])

            if lc_tmp:
                lc = self._getLc(name)
                if lc and len(lc) != 0:
                    st.putLightCurve(np.array(lc), meta=self.LC_META)

            stars.append(st)
        return stars
示例#6
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 def setUp(self):
     self.descriptors = PackageReader.getClassesDict("descriptors")
     self.stars = []
     for i in range(self.n_stars):
         star = Star()
         x = np.linspace(0, 100, 100)
         y = np.sin(x**i)
         y[0] = np.nan
         x[:20] = np.linspace(-30, -10, 20)
         star.putLightCurve([x, y])
         self.stars.append(star)
    def _createStar(self, df, lc_opt, **kwargs):
        """
        Create Star objects from query result

        Parameters
        ----------
        df :

        lc_opt : bool
            Obtain light curves if True

        Returns
        --------
        list
            List of Star objects
        """
        stars = []
        for _, _raw_star in df.iterrows():
            raw_star_dict = _raw_star.to_dict()

            ident = {}
            for key, value in self.IDENT_MAP.items():
                db_ident = {}
                if isinstance(value, (list, tuple)):
                    for ide in value:
                        db_ident[ide] = raw_star_dict.get(ide)
                    name = self.get_name(db_ident)
                else:
                    name = raw_star_dict.get(value)

                if not db_ident:
                    db_ident = None

                ident[key] = {"name": name, "db_ident": db_ident}

            more = {}
            for key, value in self.MORE_MAP.items():
                more_item = raw_star_dict.get(key)
                more[value] = more_item

            star = Star(name=self.get_name(raw_star_dict),
                        coo=(raw_star_dict[self.RA],
                             raw_star_dict[self.DEC]),
                        ident=ident,
                        more=more)

            if lc_opt:
                star.putLightCurve(self._getLightCurve(star=star,
                                                       file_name=raw_star_dict.get(
                                                           self.LC_FILE, None),
                                                       **kwargs))
            stars.append(star)
        return stars
示例#8
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def parse_stars(fi):
    stars = []
    for st_fi in fi:
        if st_fi.__dict__.get("_name", "").endswith(".dat"):
            fi_io = StringIO(st_fi.read())
            lc = FileManager._loadLcFromDat(fi_io)
            st = Star(name=st_fi.__dict__["_name"].split(".")[0])
            st.putLightCurve(lc)
            stars.append(st)

        else:
            stars.append(FileManager._createStarFromFITS(fits.open(st_fi)))
    return stars
示例#9
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    def parseRawStar(self, raw_html, load_lc, multiple_lcs=False):
        """
        Parse html retrieved from the query into Star objects
        
        Parameters
        ----------
        raw_html : str
            Raw html retrieved from the query
        
        load_lc : bool
            load_lc : Option for downloading light curve
             
        multiple_lcs : bool
            If True search for all stars will be executed
            
        Returns
        -------
        list
            Star objects retrieved from the query
        """
        # TODO: Multiple lcs loading. So far just the first star is retrieved
        # if multiple_lcs:
        #     json_data = re.search('var dataSet0 = {(?P<json_data>.*)}', raw_html)
        # else:
        #     json_data = re.search('var dataSet0 = {(?P<json_data>.*)}', raw_html)

        json_data = re.search('var dataSet0 = {(?P<json_data>.*)}', raw_html)

        if not json_data:
            return []

        json_data = json_data.group("json_data")

        for to_quo in self.TO_QUO:
            json_data = json_data.replace("{0}".format(to_quo),
                                          '"{0}"'.format(to_quo))

        star_id = re.search('ID=(?P<name>.*)&PLOT=plot',
                            raw_html).group("name")

        json_data = eval("{%s}" % json_data)

        star = Star(name=json_data.get("label"),
                    ident={"CRST": {
                        "name": star_id
                    }})
        if load_lc:
            lc = LightCurve(json_data["data"])
            star.putLightCurve(lc)
        return [star]
def setup():
    descriptors = [AbbeValueDescr()]
    # deciders = [NeuronDecider(maxEpochs=800)]
    deciders = [LDADec(), QDADec()]
    s_stars = [Star(name="Searched_{}".format(i)) for i in range(100)]
    c_stars = [Star(name="Contam_{}".format(i)) for i in range(100)]
    m_stars = [Star(name="Contam_{}".format(i)) for i in range(100)]

    x = np.linspace(0, 10, 100)
    for st in s_stars:
        st.putLightCurve([x, np.cos(x) - 0.5 + np.random.random_sample(100)])

    for st in c_stars:
        st.putLightCurve([x, np.exp(x * np.random.random_sample(100))])

    filt = StarsFilter(descriptors, deciders)
    return s_stars, c_stars, m_stars, filt
示例#11
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    def _parseStar(self, _star, lc):
        """Transform kplr Star object into package Star object"""

        star = Star()
        more = {}
        ident = {}
        data_dict = _star.__dict__
        for key, value in data_dict.items():

            if key in list(self.STAR_MORE_MAP.keys()):
                more[self.STAR_MORE_MAP[key]] = value

            elif key in list(self.IDENTIFIER.keys()):
                ident[self.IDENTIFIER[key]] = {}
                ident[self.IDENTIFIER[key]]["identifier"] = value
                ident[self.IDENTIFIER[key]]["name"] = "kic_" + value

        ra = data_dict.get(self.RA_IDENT)
        dec = data_dict.get(self.DEC_IDENT)
        star.name = "KIC_" + data_dict.get(self.NAME, "")

        if lc:
            star.lightCurve, _ = self._getLightCurve(_star, lim=1)

        star.coo = (ra, dec)
        star.ident = ident
        star.more = more

        return star
示例#12
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    def _createStars(self, header, rows, lc_tmp):
        # [u'No', u'Field', u'StarID', u'RA', u'Decl', u'V', u'I', u'B']
        # [u'No', u'Field', u'StarID', u'RA', u'Decl', u'I']

        cols_map = self._parseHeader(header)
        stars = []
        for row in rows:
            field = str(row[cols_map.get("field")])
            starid = int(row[cols_map.get("starid")])
            ra = float(row[cols_map.get("ra")])
            dec = float(row[cols_map.get("dec")])

            colors = ["i_mag", "b_mag", "v_mag"]
            more = {}
            for col in colors:
                if cols_map.get(col) and cols_map.get(col):
                    try:
                        more[col] = float(row[cols_map.get(col)])
                    except:
                        pass

            name = field + "_" + str(starid)
            coo = (ra * 15, dec, "deg")

            ident = {
                "OgleII": {
                    "name": name,
                    "db_ident": {
                        "field": field,
                        "starid": starid
                    }
                }
            }

            st = Star(ident, name, coo, more)

            if lc_tmp:
                lc = self._getLc(field, starid, lc_tmp)
                if lc and len(lc) != 0:
                    st.putLightCurve(np.array(lc), meta=self.LC_META)

            stars.append(st)
        return stars
class TestComparative(unittest.TestCase):
    def setUp(self):
        self.star1 = Star()
        x = np.linspace(1, 10, 100)
        x2 = x**2
        self.star1.putLightCurve([x, x2 / x2[-1]])
        self.star2 = Star()
        self.star2.putLightCurve([x, np.cos(x)])
        self.star3 = Star()
        xx = np.linspace(1, 45, 600)
        self.star3.putLightCurve([xx, np.cos(xx + 0.1) * xx])

    def testCurveShape(self):
        lcdes = CurvesShapeDescr([self.star2], 0.6, 10)
        assert lcdes.getSpaceCoords([self.star3])[0] < lcdes.getSpaceCoords(
            [self.star1])[0]

    def testHistShape(self):
        hist = HistShapeDescr([self.star2], 10, 5)
        assert hist.getSpaceCoords([self.star3])[0] > hist.getSpaceCoords(
            [self.star1])[0]

    def testVarioShape(self):
        vario = VariogramShapeDescr([self.star2], 10, 5)
        assert vario.getSpaceCoords([self.star3]) > vario.getSpaceCoords(
            [self.star1])
示例#14
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    def parseRawStar(self, raw_html, load_lc):
        json_data = re.search('var dataSet0 = {(?P<json_data>.*)}', raw_html)
        if not json_data:
            return []

        json_data = json_data.group("json_data")

        for to_quo in self.TO_QUO:
            json_data = json_data.replace("{0}".format(to_quo),
                                          '"{0}"'.format(to_quo))

        star_id = re.search('ID=(?P<name>.*)&PLOT=plot',
                            raw_html).group("name")

        json_data = eval("{%s}" % json_data)

        star = Star(name=json_data.get("label"),
                    ident={"CRST": {
                        "name": star_id
                    }})
        if load_lc:
            lc = LightCurve(json_data["data"])
            star.putLightCurve(lc)
        return [star]
 def setUp(self):
     self.star1 = Star()
     x = np.linspace(1, 10, 100)
     x2 = x**2
     self.star1.putLightCurve([x, x2 / x2[-1]])
     self.star2 = Star()
     self.star2.putLightCurve([x, np.cos(x)])
     self.star3 = Star()
     xx = np.linspace(1, 45, 600)
     self.star3.putLightCurve([xx, np.cos(xx + 0.1) * xx])
示例#16
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    def _createStarFromFITS(self, fits):
        DB_NAME_END = "_name"
        DB_IDENT_SEP = "_id_"

        prim_hdu = fits[0].header

        ra = prim_hdu.get(self.FITS_RA)
        dec = prim_hdu.get(self.FITS_DEC)
        ra_unit = prim_hdu.get(self.FITS_RA_UNIT)
        dec_unit = prim_hdu.get(self.FITS_DEC_UNIT)

        star = Star(name=prim_hdu.get(self.FITS_NAME),
                    coo=(ra, dec, (ra_unit, dec_unit)),
                    starClass=prim_hdu.get(self.FITS_CLASS))

        ident = {}
        more = {}
        for db_name_key in list(prim_hdu.keys()):
            if db_name_key.endswith(DB_NAME_END):
                db_name = db_name_key[:-len(DB_NAME_END)]

                ident[db_name] = {}
                ident[db_name]["name"] = prim_hdu[db_name_key]

            elif DB_IDENT_SEP in db_name_key:
                db_name, ident_key = db_name_key.split(DB_IDENT_SEP)

                if not ident[db_name].get("db_ident"):
                    ident[db_name]["db_ident"] = {}

                ident[db_name]["db_ident"][ident_key] = prim_hdu[db_name_key]

            elif db_name_key not in [
                    "SIMPLE", "BITPIX", "NAXIS", "EXTEND", self.FITS_RA,
                    self.FITS_DEC, self.FITS_RA_UNIT, self.FITS_DEC_UNIT,
                    self.FITS_NAME, self.FITS_CLASS
            ]:
                more[db_name_key.lower()] = prim_hdu[db_name_key]

        star.ident = ident
        star.more = more

        for lc_hdu in fits[1:]:
            star.putLightCurve(self._createLcFromFits(lc_hdu))

        fits.close()
        return star
    def setUp(self):
        N = 20

        x = np.linspace(0, 10, 100)

        self.template = []
        for ii in range(N):
            st = Star(name="TemplateStar%i" % ii)
            st.putLightCurve([x, np.cos(x) + np.random.normal(x) * 0.1])
            self.template.append(st)

        self.variables = []
        for ii in range(N):
            st = Star(name="VariableStar%i" % ii)
            st.putLightCurve([x, np.sin(x) + np.random.normal(x) * 0.1])
            self.variables.append(st)

        self.noisy = []
        for ii in range(N):
            st = Star(name="NonvariableStar%i" % ii)
            st.putLightCurve([x, np.random.normal(x) * 2])
            self.noisy.append(st)