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Return the first preferences object for the current site. If preferences do not exist create it.
def get_queryset(self): """ Return the first preferences object for the current site. If preferences do not exist create it. """ queryset = super(SingletonManager, self).get_queryset() # Get current site current_site = None if getattr(settings, 'SITE_ID'...
Load an iterable.
def load_iterable(self, iterable, session=None): '''Load an ``iterable``. By default it returns a generator of data loaded via the :meth:`loads` method. :param iterable: an iterable over data to load. :param session: Optional :class:`stdnet.odm.Session`. :return: an ite...
Implements: meth: stdnet. odm. SearchEngine. search_model. It return a new: class: stdnet. odm. QueryElem instance from the input: class: Query and the * text * to search.
def search_model(self, q, text, lookup=None): '''Implements :meth:`stdnet.odm.SearchEngine.search_model`. It return a new :class:`stdnet.odm.QueryElem` instance from the input :class:`Query` and the *text* to search.''' words = self.words_from_text(text, for_search=True) if not words: ...
Full text search. Return a list of queries to intersect.
def _search(self, words, include=None, exclude=None, lookup=None): '''Full text search. Return a list of queries to intersect.''' lookup = lookup or 'contains' query = self.router.worditem.query() if include: query = query.filter(model_type__in=include) if exclu...
Get a new redis client.
def redis_client(address=None, connection_pool=None, timeout=None, parser=None, **kwargs): '''Get a new redis client. :param address: a ``host``, ``port`` tuple. :param connection_pool: optional connection pool. :param timeout: socket timeout. :param timeout: socket timeout. ''...
Returns a bytestring version of s encoded as specified in encoding.
def to_bytes(s, encoding=None, errors='strict'): """Returns a bytestring version of 's', encoded as specified in 'encoding'.""" encoding = encoding or 'utf-8' if isinstance(s, bytes): if encoding != 'utf-8': return s.decode('utf-8', errors).encode(encoding, errors) else: ...
Inverse of to_bytes
def to_string(s, encoding=None, errors='strict'): """Inverse of to_bytes""" encoding = encoding or 'utf-8' if isinstance(s, bytes): return s.decode(encoding, errors) if not is_string(s): s = string_type(s) return s
The default JSON decoder hook. It is the inverse of: class: stdnet. utils. jsontools. JSONDateDecimalEncoder.
def date_decimal_hook(dct): '''The default JSON decoder hook. It is the inverse of :class:`stdnet.utils.jsontools.JSONDateDecimalEncoder`.''' if '__datetime__' in dct: return todatetime(dct['__datetime__']) elif '__date__' in dct: return todatetime(dct['__date__']).date() elif '__decimal...
Convert a flat representation of a dictionary to a nested representation. Fields in the flat representation are separated by the * splitter * parameters.
def flat_to_nested(data, instance=None, attname=None, separator=None, loads=None): '''Convert a flat representation of a dictionary to a nested representation. Fields in the flat representation are separated by the *splitter* parameters. :parameter data: a flat dictionary of key value pairs. :pa...
Convert a nested dictionary into a flat dictionary representation
def dict_flat_generator(value, attname=None, splitter=JSPLITTER, dumps=None, prefix=None, error=ValueError, recursive=True): '''Convert a nested dictionary into a flat dictionary representation''' if not isinstance(value, dict) or not recursive: if not pre...
Multiply dictionaries by a numeric values and add them together.
def addmul_number_dicts(series): '''Multiply dictionaries by a numeric values and add them together. :parameter series: a tuple of two elements tuples. Each serie is of the form:: (weight,dictionary) where ``weight`` is a number and ``dictionary`` is a dictionary with numeric values. :parameter s...
Submits a cluster job to the build queue to download all TPFs for a given campaign.
def Download(campaign=0, queue='build', email=None, walltime=8, **kwargs): ''' Submits a cluster job to the build queue to download all TPFs for a given campaign. :param int campaign: The `K2` campaign to run :param str queue: The name of the queue to submit to. Default `build` :param str email...
Download all stars from a given campaign. This is called from missions/ k2/ download. pbs
def _Download(campaign, subcampaign): ''' Download all stars from a given campaign. This is called from ``missions/k2/download.pbs`` ''' # Are we doing a subcampaign? if subcampaign != -1: campaign = campaign + 0.1 * subcampaign # Get all star IDs for this campaign stars = [s[0...
Submits a cluster job to compute and plot data for all targets in a given campaign.
def Run(campaign=0, EPIC=None, nodes=5, ppn=12, walltime=100, mpn=None, email=None, queue=None, **kwargs): ''' Submits a cluster job to compute and plot data for all targets in a given campaign. :param campaign: The K2 campaign number. If this is an :py:class:`int`, \ returns all tar...
The actual function that publishes a given campaign ; this must be called from missions/ k2/ publish. pbs.
def _Publish(campaign, subcampaign, strkwargs): ''' The actual function that publishes a given campaign; this must be called from ``missions/k2/publish.pbs``. ''' # Get kwargs from string kwargs = pickle.loads(strkwargs.replace('%%%', '\n').encode('utf-8')) # Check the cadence cadence...
Shows the progress of the de - trending runs for the specified campaign ( s ).
def Status(season=range(18), model='nPLD', purge=False, injection=False, cadence='lc', **kwargs): ''' Shows the progress of the de-trending runs for the specified campaign(s). ''' # Mission compatibility campaign = season # Injection? if injection: return InjectionStatu...
Shows the progress of the injection de - trending runs for the specified campaign ( s ).
def InjectionStatus(campaign=range(18), model='nPLD', purge=False, depths=[0.01, 0.001, 0.0001], **kwargs): ''' Shows the progress of the injection de-trending runs for the specified campaign(s). ''' if not hasattr(campaign, '__len__'): if type(campaign) is int: ...
A wrapper around an: py: obj: everest model for PBS runs.
def EverestModel(ID, model='nPLD', publish=False, csv=False, **kwargs): ''' A wrapper around an :py:obj:`everest` model for PBS runs. ''' if model != 'Inject': from ... import detrender # HACK: We need to explicitly mask short cadence planets if kwargs.get('cadence', 'lc') == ...
Construct the primary HDU file containing basic header info.
def PrimaryHDU(model): ''' Construct the primary HDU file containing basic header info. ''' # Get mission cards cards = model._mission.HDUCards(model.meta, hdu=0) if 'KEPMAG' not in [c[0] for c in cards]: cards.append(('KEPMAG', model.mag, 'Kepler magnitude')) # Add EVEREST info ...
Construct the data HDU file containing the arrays and the observing info.
def LightcurveHDU(model): ''' Construct the data HDU file containing the arrays and the observing info. ''' # Get mission cards cards = model._mission.HDUCards(model.meta, hdu=1) # Add EVEREST info cards.append(('COMMENT', '************************')) cards.append(('COMMENT', '* E...
Construct the HDU containing the pixel - level light curve.
def PixelsHDU(model): ''' Construct the HDU containing the pixel-level light curve. ''' # Get mission cards cards = model._mission.HDUCards(model.meta, hdu=2) # Add EVEREST info cards = [] cards.append(('COMMENT', '************************')) cards.append(('COMMENT', '* EVERES...
Construct the HDU containing the aperture used to de - trend.
def ApertureHDU(model): ''' Construct the HDU containing the aperture used to de-trend. ''' # Get mission cards cards = model._mission.HDUCards(model.meta, hdu=3) # Add EVEREST info cards.append(('COMMENT', '************************')) cards.append(('COMMENT', '* EVEREST INFO ...
Construct the HDU containing sample postage stamp images of the target.
def ImagesHDU(model): ''' Construct the HDU containing sample postage stamp images of the target. ''' # Get mission cards cards = model._mission.HDUCards(model.meta, hdu=4) # Add EVEREST info cards.append(('COMMENT', '************************')) cards.append(('COMMENT', '* EVEREST...
Construct the HDU containing the hi res image of the target.
def HiResHDU(model): ''' Construct the HDU containing the hi res image of the target. ''' # Get mission cards cards = model._mission.HDUCards(model.meta, hdu=5) # Add EVEREST info cards.append(('COMMENT', '************************')) cards.append(('COMMENT', '* EVEREST INFO *'...
Generate a FITS file for a given: py: mod: everest run.
def MakeFITS(model, fitsfile=None): ''' Generate a FITS file for a given :py:mod:`everest` run. :param model: An :py:mod:`everest` model instance ''' # Get the fits file name if fitsfile is None: outfile = os.path.join(model.dir, model._mission.FITSFile( model.ID, model.se...
Retrieve a serializer register as * name *. If the serializer is not available a ValueError exception will raise. A common usage pattern:: qs = MyModel. objects. query (). sort_by ( id ) s = odm. get_serializer ( json ) s. dump ( qs )
def get_serializer(name, **options): '''Retrieve a serializer register as *name*. If the serializer is not available a ``ValueError`` exception will raise. A common usage pattern:: qs = MyModel.objects.query().sort_by('id') s = odm.get_serializer('json') s.dump(qs) ''' if name in _serializ...
\ Register a new serializer to the library.: parameter name: serializer name ( it can override existing serializers ).: parameter serializer: an instance or a derived class of a: class: stdnet. odm. Serializer class or a callable.
def register_serializer(name, serializer): '''\ Register a new serializer to the library. :parameter name: serializer name (it can override existing serializers). :parameter serializer: an instance or a derived class of a :class:`stdnet.odm.Serializer` class or a callable. ''' if not isclass(serial...
Finds the solution x to the linear problem A x = b for all contiguous w - sized masks applied to the rows and columns of A and to the entries of b. Returns an array X of shape ( N - w + 1 N - w ) where the nth row is the solution to the equation A [ ! [ n n + w ) ] x = b [ ! [ n n + w ) ] where ! [ n n + w ) indicates ...
def MaskSolve(A, b, w=5, progress=True, niter=None): ''' Finds the solution `x` to the linear problem A x = b for all contiguous `w`-sized masks applied to the rows and columns of `A` and to the entries of `b`. Returns an array `X` of shape `(N - w + 1, N - w)`, where t...
Identical to MaskSolve but computes the solution the brute - force way.
def MaskSolveSlow(A, b, w=5, progress=True, niter=None): ''' Identical to `MaskSolve`, but computes the solution the brute-force way. ''' # Number of data points N = b.shape[0] # How many iterations? Default is to go through # the entire dataset if niter is None: ...
Return the unmasked overfitting metric for a given transit depth.
def unmasked(self, depth=0.01): """Return the unmasked overfitting metric for a given transit depth.""" return 1 - (np.hstack(self._O2) + np.hstack(self._O3) / depth) / np.hstack(self._O1)
Show the overfitting PDF summary.
def show(self): """Show the overfitting PDF summary.""" try: if platform.system().lower().startswith('darwin'): subprocess.call(['open', self.pdf]) elif os.name == 'nt': os.startfile(self.pdf) elif os.name == 'posix': su...
Return the current observing season.
def season(self): """ Return the current observing season. For *K2*, this is the observing campaign, while for *Kepler*, it is the current quarter. """ try: self._season except AttributeError: self._season = self._mission.Season(self.ID) ...
The CBV - corrected de - trended flux.
def fcor(self): ''' The CBV-corrected de-trended flux. ''' if self.XCBV is None: return None else: return self.flux - self._mission.FitCBVs(self)
The array of indices to be masked. This is the union of the sets of outliers bad ( flagged ) cadences transit cadences and: py: obj: NaN cadences.
def mask(self): ''' The array of indices to be masked. This is the union of the sets of outliers, bad (flagged) cadences, transit cadences, and :py:obj:`NaN` cadences. ''' return np.array(list(set(np.concatenate([self.outmask, self.badmask, self....
Computes the design matrix at the given * PLD * order and the given indices. The columns are the * PLD * vectors for the target at the corresponding order computed as the product of the fractional pixel flux of all sets of: py: obj: n pixels where: py: obj: n is the * PLD * order.
def X(self, i, j=slice(None, None, None)): ''' Computes the design matrix at the given *PLD* order and the given indices. The columns are the *PLD* vectors for the target at the corresponding order, computed as the product of the fractional pixel flux of all sets of :py:obj:`n` p...
Plots miscellaneous de - trending information on the data validation summary figure.
def plot_info(self, dvs): ''' Plots miscellaneous de-trending information on the data validation summary figure. :param dvs: A :py:class:`dvs.DVS` figure instance ''' axl, axc, axr = dvs.title() axc.annotate("%s %d" % (self._mission.IDSTRING, self.ID), ...
Compute the model for the current value of lambda.
def compute(self): ''' Compute the model for the current value of lambda. ''' # Is there a transit model? if self.transit_model is not None: return self.compute_joint() log.info('Computing the model...') # Loop over all chunks model = [None...
Compute the model in a single step allowing for a light curve - wide transit model. This is a bit more expensive to compute.
def compute_joint(self): ''' Compute the model in a single step, allowing for a light curve-wide transit model. This is a bit more expensive to compute. ''' # Init log.info('Computing the joint model...') A = [None for b in self.breakpoints] B = [None fo...
Returns the outlier mask an array of indices corresponding to the non - outliers.
def apply_mask(self, x=None): ''' Returns the outlier mask, an array of indices corresponding to the non-outliers. :param numpy.ndarray x: If specified, returns the masked version of \ :py:obj:`x` instead. Default :py:obj:`None` ''' if x is None: ...
Returns the indices corresponding to a given light curve chunk.
def get_chunk(self, b, x=None, pad=True): ''' Returns the indices corresponding to a given light curve chunk. :param int b: The index of the chunk to return :param numpy.ndarray x: If specified, applies the mask to array \ :py:obj:`x`. Default :py:obj:`None` ''' ...
Computes the PLD weights vector: py: obj: w.
def get_weights(self): ''' Computes the PLD weights vector :py:obj:`w`. ..warning :: Deprecated and not thoroughly tested. ''' log.info("Computing PLD weights...") # Loop over all chunks weights = [None for i in range(len(self.breakpoints))] for b, brk...
Returns the CDPP value in * ppm * for each of the chunks in the light curve.
def get_cdpp_arr(self, flux=None): ''' Returns the CDPP value in *ppm* for each of the chunks in the light curve. ''' if flux is None: flux = self.flux return np.array([self._mission.CDPP(flux[self.get_masked_chunk(b)], cadence=self.c...
Returns the scalar CDPP for the light curve.
def get_cdpp(self, flux=None): ''' Returns the scalar CDPP for the light curve. ''' if flux is None: flux = self.flux return self._mission.CDPP(self.apply_mask(flux), cadence=self.cadence)
Plots the aperture and the pixel images at the beginning middle and end of the time series. Also plots a high resolution image of the target if available.
def plot_aperture(self, axes, labelsize=8): ''' Plots the aperture and the pixel images at the beginning, middle, and end of the time series. Also plots a high resolution image of the target, if available. ''' log.info('Plotting the aperture...') # Get colormap...
r Compute the masked & unmasked overfitting metrics for the light curve.
def overfit(self, tau=None, plot=True, clobber=False, w=9, **kwargs): r""" Compute the masked & unmasked overfitting metrics for the light curve. This routine injects a transit model given by `tau` at every cadence in the light curve and recovers the transit depth when (1) leaving ...
r Return the likelihood of the astrophysical model model.
def lnlike(self, model, refactor=False, pos_tol=2.5, neg_tol=50., full_output=False): r""" Return the likelihood of the astrophysical model `model`. Returns the likelihood of `model` marginalized over the PLD model. :param ndarray model: A vector of the same shape as `se...
Run one of the: py: obj: everest models with injected transits and attempt to recover the transit depth at the end with a simple linear regression with a polynomial baseline. The depth is stored in the: py: obj: inject attribute of the model ( a dictionary ) as: py: obj: rec_depth. A control injection is also performed...
def Inject(ID, inj_model='nPLD', t0=None, per=None, dur=0.1, depth=0.001, mask=False, trn_win=5, poly_order=3, make_fits=False, **kwargs): ''' Run one of the :py:obj:`everest` models with injected transits and attempt to recover the transit depth at the end with a simple linear regression wit...
Instance of: attr: model_type with id: attr: object_id.
def object(self, session): '''Instance of :attr:`model_type` with id :attr:`object_id`.''' if not hasattr(self, '_object'): pkname = self.model_type._meta.pkname() query = session.query(self.model_type).filter(**{pkname: ...
Returns a: py: obj: DataContainer instance with the raw data for the target.: param int ID: The target ID number: param int season: The observing season. Default: py: obj: None: param str cadence: The light curve cadence. Default lc: param bool clobber: Overwrite existing files? Default: py: obj: False: param bool dele...
def GetData(ID, season = None, cadence = 'lc', clobber = False, delete_raw = False, aperture_name = None, saturated_aperture_name = None, max_pixels = None, download_only = False, saturation_tolerance = None, bad_bits = None, **kwargs): ''' Returns a :py:obj:`DataContainer` ins...
Return neighbors random bright stars on the same module as EPIC.: param int ID: The target ID number: param str model: The: py: obj: everest model name. Only used when imposing CDPP bounds. Default: py: obj: None: param int neighbors: Number of neighbors to return. Default None: param str aperture_name: The name of the...
def GetNeighbors(ID, model = None, neighbors = None, mag_range = None, cdpp_range = None, aperture_name = None, cadence = 'lc', **kwargs): ''' Return `neighbors` random bright stars on the same module as `EPIC`. :param int ID: The target ID number :param str model: The :py...
Returns the time and flux for a given EPIC ID and a given pipeline name.
def get(ID, pipeline='everest2', campaign=None): ''' Returns the `time` and `flux` for a given EPIC `ID` and a given `pipeline` name. ''' log.info('Downloading %s light curve for %d...' % (pipeline, ID)) # Dev version hack if EVEREST_DEV: if pipeline.lower() == 'everest2' or pipel...
Plots the de - trended flux for the given EPIC ID and for the specified pipeline.
def plot(ID, pipeline='everest2', show=True, campaign=None): ''' Plots the de-trended flux for the given EPIC `ID` and for the specified `pipeline`. ''' # Get the data time, flux = get(ID, pipeline=pipeline, campaign=campaign) # Remove nans mask = np.where(np.isnan(flux))[0] time ...
Computes the CDPP for a given campaign and a given pipeline. Stores the results in a file under/ missions/ k2/ tables/.
def get_cdpp(campaign, pipeline='everest2'): ''' Computes the CDPP for a given `campaign` and a given `pipeline`. Stores the results in a file under "/missions/k2/tables/". ''' # Imports from .k2 import CDPP from .utils import GetK2Campaign # Check pipeline assert pipeline.lower()...
Computes the number of outliers for a given campaign and a given pipeline. Stores the results in a file under/ missions/ k2/ tables/.
def get_outliers(campaign, pipeline='everest2', sigma=5): ''' Computes the number of outliers for a given `campaign` and a given `pipeline`. Stores the results in a file under "/missions/k2/tables/". :param int sigma: The sigma level at which to clip outliers. Default 5 ''' # Imports ...
Returns the name of the current: py: class: Detrender subclass.
def name(self): ''' Returns the name of the current :py:class:`Detrender` subclass. ''' if self.cadence == 'lc': return self.__class__.__name__ else: return '%s.sc' % self.__class__.__name__
Pre - compute the matrices: py: obj: A and: py: obj: B ( cross - validation step only ) for chunk: py: obj: b.
def cv_precompute(self, mask, b): ''' Pre-compute the matrices :py:obj:`A` and :py:obj:`B` (cross-validation step only) for chunk :py:obj:`b`. ''' # Get current chunk and mask outliers m1 = self.get_masked_chunk(b) flux = self.fraw[m1] K = GetCov...
Compute the model ( cross - validation step only ) for chunk: py: obj: b.
def cv_compute(self, b, A, B, C, mK, f, m1, m2): ''' Compute the model (cross-validation step only) for chunk :py:obj:`b`. ''' A = np.sum([l * a for l, a in zip(self.lam[b], A) if l is not None], axis=0) B = np.sum([l * b for l, b in zip(self.lam[b], B) ...
Performs iterative sigma clipping to get outliers.
def get_outliers(self): ''' Performs iterative sigma clipping to get outliers. ''' log.info("Clipping outliers...") log.info('Iter %d/%d: %d outliers' % (0, self.oiter, len(self.outmask))) def M(x): return np.delete(x, np.concatenate( [self...
Returns the index of: py: attr: self. lambda_arr that minimizes the validation scatter in the segment with minimum at the lowest value of: py: obj: lambda with fractional tolerance: py: attr: self. leps.
def optimize_lambda(self, validation): ''' Returns the index of :py:attr:`self.lambda_arr` that minimizes the validation scatter in the segment with minimum at the lowest value of :py:obj:`lambda`, with fractional tolerance :py:attr:`self.leps`. :param numpy.ndarray vali...
Cross - validate to find the optimal value of: py: obj: lambda.
def cross_validate(self, ax, info=''): ''' Cross-validate to find the optimal value of :py:obj:`lambda`. :param ax: The current :py:obj:`matplotlib.pyplot` axis instance to \ plot the cross-validation results. :param str info: The label to show in the bottom right-hand co...
Computes the ideal y - axis limits for the light curve plot. Attempts to set the limits equal to those of the raw light curve but if more than 1% of the flux lies either above or below these limits auto - expands to include those points. At the end adds 5% padding to both the top and the bottom.
def get_ylim(self): ''' Computes the ideal y-axis limits for the light curve plot. Attempts to set the limits equal to those of the raw light curve, but if more than 1% of the flux lies either above or below these limits, auto-expands to include those points. At the end, adds 5% ...
Plots the current light curve. This is called at several stages to plot the de - trending progress as a function of the different * PLD * orders.
def plot_lc(self, ax, info_left='', info_right='', color='b'): ''' Plots the current light curve. This is called at several stages to plot the de-trending progress as a function of the different *PLD* orders. :param ax: The current :py:obj:`matplotlib.pyplot` axis instance ...
Plots the final de - trended light curve.
def plot_final(self, ax): ''' Plots the final de-trended light curve. ''' # Plot the light curve bnmask = np.array( list(set(np.concatenate([self.badmask, self.nanmask]))), dtype=int) def M(x): return np.delete(x, bnmask) if (self.cadence == 'lc') o...
Plots the final CBV - corrected light curve.
def plot_cbv(self, ax, flux, info, show_cbv=False): ''' Plots the final CBV-corrected light curve. ''' # Plot the light curve bnmask = np.array( list(set(np.concatenate([self.badmask, self.nanmask]))), dtype=int) def M(x): return np.delete(x, bnmask) ...
Loads the target pixel file.
def load_tpf(self): ''' Loads the target pixel file. ''' if not self.loaded: if self._data is not None: data = self._data else: data = self._mission.GetData( self.ID, season=self.season, ...
Loads a saved version of the model.
def load_model(self, name=None): ''' Loads a saved version of the model. ''' if self.clobber: return False if name is None: name = self.name file = os.path.join(self.dir, '%s.npz' % name) if os.path.exists(file): if not self....
Saves all of the de - trending information to disk in an npz file and saves the DVS as a pdf.
def save_model(self): ''' Saves all of the de-trending information to disk in an `npz` file and saves the DVS as a `pdf`. ''' # Save the data log.info("Saving data to '%s.npz'..." % self.name) d = dict(self.__dict__) d.pop('_weights', None) d.pop...
A custom exception handler.
def exception_handler(self, pdb): ''' A custom exception handler. :param pdb: If :py:obj:`True`, enters PDB post-mortem \ mode for debugging. ''' # Grab the exception exctype, value, tb = sys.exc_info() # Log the error and create a .err file ...
Calls: py: func: gp. GetKernelParams to optimize the GP and obtain the covariance matrix for the regression.
def update_gp(self): ''' Calls :py:func:`gp.GetKernelParams` to optimize the GP and obtain the covariance matrix for the regression. ''' self.kernel_params = GetKernelParams(self.time, self.flux, self.fraw_err, ...
Initializes the covariance matrix with a guess at the GP kernel parameters.
def init_kernel(self): ''' Initializes the covariance matrix with a guess at the GP kernel parameters. ''' if self.kernel_params is None: X = self.apply_mask(self.fpix / self.flux.reshape(-1, 1)) y = self.apply_mask(self.flux) - np.dot(X, np.linalg.solve...
Runs the de - trending step.
def run(self): ''' Runs the de-trending step. ''' try: # Load raw data log.info("Loading target data...") self.load_tpf() self.mask_planets() self.plot_aperture([self.dvs.top_right() for i in range(4)]) self.init_...
Correct the light curve with the CBVs generate a cover page for the DVS figure and produce a FITS file for publication.
def publish(self, **kwargs): ''' Correct the light curve with the CBVs, generate a cover page for the DVS figure, and produce a FITS file for publication. ''' try: # HACK: Force these params for publication self.cbv_win = 999 self.cb...
This is called during production de - trending prior to calling the: py: obj: Detrender. run () method.
def setup(self, **kwargs): ''' This is called during production de-trending, prior to calling the :py:obj:`Detrender.run()` method. :param tuple cdpp_range: If :py:obj:`parent_model` is set, \ neighbors are selected only if \ their de-trended CDPPs fall wit...
This is called during production de - trending prior to calling the: py: obj: Detrender. run () method.
def setup(self, **kwargs): ''' This is called during production de-trending, prior to calling the :py:obj:`Detrender.run()` method. :param str parent_model: The name of the model to operate on. \ Default `nPLD` ''' # Load the parent model self.pa...
This is called during production de - trending prior to calling the: py: obj: Detrender. run () method.
def setup(self, **kwargs): ''' This is called during production de-trending, prior to calling the :py:obj:`Detrender.run()` method. :param inter piter: The number of iterations in the minimizer. \ Default 3 :param int pmaxf: The maximum number of function evaluati...
Runs the de - trending.
def run(self): ''' Runs the de-trending. ''' try: # Plot original self.plot_aperture([self.dvs.top_right() for i in range(4)]) self.plot_lc(self.dvs.left(), info_right='nPLD', color='k') # Cross-validate self.cross_validate(...
Performs the cross - validation step.
def cross_validate(self, ax): ''' Performs the cross-validation step. ''' # The CDPP to beat cdpp_opt = self.get_cdpp_arr() # Loop over all chunks for b, brkpt in enumerate(self.breakpoints): log.info("Cross-validating chunk %d/%d..." % ...
Computes the scatter in the validation set.
def validation_scatter(self, log_lam, b, masks, pre_v, gp, flux, time, med): ''' Computes the scatter in the validation set. ''' # Update the lambda matrix self.lam[b] = 10 ** log_lam # Validation set scatter scatter = [None for i in ...
Utility function for populating lists with random data. Useful for populating database with data for fuzzy testing. Supported data - types * * string * For example:: populate ( string 100 min_len = 3 max_len = 10 ) create a 100 elements list with random strings with random length between 3 and 10 * * date * For example...
def populate(datatype='string', size=10, start=None, end=None, converter=None, choice_from=None, **kwargs): '''Utility function for populating lists with random data. Useful for populating database with data for fuzzy testing. Supported data-types * *string* For example:: populat...
NOTE: pos_tol is the positive ( i. e. above the median ) outlier tolerance in standard deviations. NOTE: neg_tol is the negative ( i. e. below the median ) outlier tolerance in standard deviations.
def Search(star, pos_tol=2.5, neg_tol=50., **ps_kwargs): ''' NOTE: `pos_tol` is the positive (i.e., above the median) outlier tolerance in standard deviations. NOTE: `neg_tol` is the negative (i.e., below the median) outlier tolerance in standard deviations. ''' # Smooth the light curve ...
Ordered iterator over dirty elements.
def iterdirty(self): '''Ordered iterator over dirty elements.''' return iter(chain(itervalues(self._new), itervalues(self._modified)))
Add a new instance to this: class: SessionModel.: param modified: Optional flag indicating if the instance has been modified. By default its value is True.: param force_update: if instance is persistent it forces an update of the data rather than a full replacement. This is used by the: meth: insert_update_replace meth...
def add(self, instance, modified=True, persistent=None, force_update=False): '''Add a new instance to this :class:`SessionModel`. :param modified: Optional flag indicating if the ``instance`` has been modified. By default its value is ``True``. :param force_update: if ``instance`` is pers...
delete an * instance *
def delete(self, instance, session): '''delete an *instance*''' if instance._meta.type == 'structure': return self._delete_structure(instance) inst = self.pop(instance) instance = inst if inst is not None else instance if instance is not None: state...
Remove instance from the: class: SessionModel. Instance could be a: class: Model or an id.: parameter instance: a: class: Model or an id.: rtype: the: class: Model removed from session or None if it was not in the session.
def pop(self, instance): '''Remove ``instance`` from the :class:`SessionModel`. Instance could be a :class:`Model` or an id. :parameter instance: a :class:`Model` or an ``id``. :rtype: the :class:`Model` removed from session or ``None`` if it was not in the session. ''' if isinstance(instan...
Remove * instance * from the: class: Session. Instance could be a: class: Model or an id.: parameter instance: a: class: Model or an * id *: rtype: the: class: Model removed from session or None if it was not in the session.
def expunge(self, instance): '''Remove *instance* from the :class:`Session`. Instance could be a :class:`Model` or an id. :parameter instance: a :class:`Model` or an *id* :rtype: the :class:`Model` removed from session or ``None`` if it was not in the session. ''' instance = self.pop(instan...
\ Process results after a commit.: parameter results: iterator over: class: stdnet. instance_session_result items.: rtype: a two elements tuple containing a list of instances saved and a list of ids of instances deleted.
def post_commit(self, results): '''\ Process results after a commit. :parameter results: iterator over :class:`stdnet.instance_session_result` items. :rtype: a two elements tuple containing a list of instances saved and a list of ids of instances deleted.''' tpy = self._meta.pk_to_pytho...
Close the transaction and commit session to the backend.
def commit(self, callback=None): '''Close the transaction and commit session to the backend.''' if self.executed: raise InvalidTransaction('Invalid operation. ' 'Transaction already executed.') session = self.session self.session = N...
The set of instances in this: class: Session which have been modified.
def dirty(self): '''The set of instances in this :class:`Session` which have been modified.''' return frozenset(chain(*tuple((sm.dirty for sm in itervalues(self._models)))))
Begin a new: class: Transaction. If this: class: Session is already in a: ref: transactional state <transactional - state > an error will occur. It returns the: attr: transaction attribute. This method is mostly used within a with statement block:: with session. begin () as t: t. add (... )... which is equivalent to:: ...
def begin(self, **options): '''Begin a new :class:`Transaction`. If this :class:`Session` is already in a :ref:`transactional state <transactional-state>`, an error will occur. It returns the :attr:`transaction` attribute. This method is mostly used within a ``with`` statement block:: with session....
Create a new: class: Query for * model *.
def query(self, model, **kwargs): '''Create a new :class:`Query` for *model*.''' sm = self.model(model) query_class = sm.manager.query_class or Query return query_class(sm._meta, self, **kwargs)
Update or create a new instance of model. This method can raise an exception if the kwargs dictionary contains field data that does not validate.: param model: a: class: StdModel: param kwargs: dictionary of parameters.: returns: A two elements tuple containing the instance and a boolean indicating if the instance was ...
def update_or_create(self, model, **kwargs): '''Update or create a new instance of ``model``. This method can raise an exception if the ``kwargs`` dictionary contains field data that does not validate. :param model: a :class:`StdModel` :param kwargs: dictionary of parame...
Add an instance to the session. If the session is not in a: ref: transactional state <transactional - state > this operation commits changes to the back - end server immediately.: parameter instance: a: class: Model instance. It must be registered with the: attr: router which created this: class: Session.: parameter mo...
def add(self, instance, modified=True, **params): '''Add an ``instance`` to the session. If the session is not in a :ref:`transactional state <transactional-state>`, this operation commits changes to the back-end server immediately. :parameter instance: a :class:`Model` ...
Delete an instance or a query. Adds instance_or_query to this: class: Session list of data to be deleted. If the session is not in a: ref: transactional state <transactional - state > this operation commits changes to the backend server immediately.: parameter instance_or_query: a: class: Model instance or a: class: Qu...
def delete(self, instance_or_query): '''Delete an ``instance`` or a ``query``. Adds ``instance_or_query`` to this :class:`Session` list of data to be deleted. If the session is not in a :ref:`transactional state <transactional-state>`, this operation commits changes to the...
Returns the: class: SessionModel for model which can be: class: Model or a: class: MetaClass or an instance of: class: Model.
def model(self, model, create=True): '''Returns the :class:`SessionModel` for ``model`` which can be :class:`Model`, or a :class:`MetaClass`, or an instance of :class:`Model`.''' manager = self.manager(model) sm = self._models.get(manager) if sm is None and create: sm ...
Remove instance from this: class: Session. If instance is not given it removes all instances from this: class: Session.
def expunge(self, instance=None): '''Remove ``instance`` from this :class:`Session`. If ``instance`` is not given, it removes all instances from this :class:`Session`.''' if instance is not None: sm = self._models.get(instance._meta) if sm: return sm.expunge...
Retrieve the: class: Manager for model which can be any of the values valid for the: meth: model method.
def manager(self, model): '''Retrieve the :class:`Manager` for ``model`` which can be any of the values valid for the :meth:`model` method.''' try: return self.router[model] except KeyError: meta = getattr(model, '_meta', model) if meta.type == 'structu...
Create a new instance of: attr: model and commit it to the backend server. This a shortcut method for the more verbose:: instance = manager. session (). add ( MyModel ( ** kwargs ))
def new(self, *args, **kwargs): '''Create a new instance of :attr:`model` and commit it to the backend server. This a shortcut method for the more verbose:: instance = manager.session().add(MyModel(**kwargs)) ''' return self.session().add(self.model(*args, **kwargs))
Returns a new: class: Query for: attr: Manager. model.
def query(self, session=None): '''Returns a new :class:`Query` for :attr:`Manager.model`.''' if session is None or session.router is not self.router: session = self.session() return session.query(self.model)
Returns a new: class: Query for: attr: Manager. model with a full text search value.
def search(self, text, lookup=None): '''Returns a new :class:`Query` for :attr:`Manager.model` with a full text search value.''' return self.query().search(text, lookup=lookup)
Create a dict given a list of key/ value pairs
def pairs_to_dict(response, encoding): "Create a dict given a list of key/value pairs" it = iter(response) return dict(((k.decode(encoding), v) for k, v in zip(it, it)))