remove dependency of prenight on scheduler pickle

schedview/app/prenight/prenight.py

@@ -14,7 +14,6 @@
 import pandas as pd
 import panel as pn
 import param
-import rubin_sim.scheduler.example
 from astropy.time import Time
 from rubin_sim.scheduler.model_observatory import ModelObservatory
 from rubin_sim.utils import survey_start_mjd
@@ -40,7 +39,6 @@
 ]
 DEFAULT_TIMEZONE = AVAILABLE_TIMEZONES[0]
 DEFAULT_CURRENT_TIME = Time(max(Time.now().mjd, survey_start_mjd()), format="mjd")
-USE_EXAMPLE_SCHEDULER = False
 DEFAULT_MODEL_OBSERVATORY = ModelObservatory(init_load_length=1)
 DEFAULT_MODEL_OBSERVATORY.sky_model.load_length = 1
 
@@ -95,17 +93,6 @@ class Prenight(param.Parameterized):
         label="OpSim output database path or URL",
     )
 
-    scheduler_fname_doc = """URL or file name of the scheduler pickle file.
-Such a pickle file can either be of an instance of a subclass of
-rubin_sim.scheduler.schedulers.CoreScheduler, or a tuple of the form
-(scheduler, conditions), where scheduler is an instance of a subclass of
-rubin_sim.scheduler.schedulers.CoreScheduler, and conditions is an
-instance of rubin_sim.scheduler.conditions.Conditions."""
-    scheduler_fname = param.String(
-        doc=scheduler_fname_doc,
-        label="URL or file name of scheduler pickle file",
-    )
-
     rewards_fname = param.String(
         doc="URL or file name of the rewards HDF5 file.",
         label="URL or file name of rewards HDF5 file",
@@ -170,9 +157,6 @@ class Prenight(param.Parameterized):
     # and communication overhead is reduced.
     _visits_cds = param.Parameter()
 
-    # An instance of rubin_sim.scheduler.schedulers.CoreScheduler
-    _scheduler = param.Parameter()
-
     _almanac_events = schedview.param.DataFrame(
         None,
         doc="Events from the rubin_sim alamanc",
@@ -422,24 +406,6 @@ def custom_hvplot3(self):
     def custom_hvplot4(self):
         return self.hvplot(4)
 
-    @param.depends("scheduler_fname", watch=True)
-    def _update_scheduler(self):
-        self.logger.info("Starting to update the scheduler.")
-        try:
-            (
-                scheduler,
-                conditions,
-            ) = schedview.collect.scheduler_pickle.read_scheduler(self.scheduler_fname)
-
-            self._scheduler = scheduler
-            self.logger.info("Finished updating the scheduler.")
-        except Exception as e:
-            self.logger.error(f"Could not load scheduler from {self.scheduler_fname} {e}")
-            if USE_EXAMPLE_SCHEDULER:
-                self.logger.info("Starting to load example scheduler.")
-                self._scheduler = rubin_sim.scheduler.example.example_scheduler(nside=self._nside)
-                self.logger.info("Finished loading example scheduler.")
-
     @param.depends(
         "_visits_cds",
         "_almanac_events",
@@ -543,7 +509,6 @@ def horizon_map(self):
         return fig
 
     @param.depends(
-        "_scheduler",
         "_visits",
     )
     def visit_skymaps(self):
@@ -558,14 +523,10 @@ def visit_skymaps(self):
         if self._visits is None:
             return "No visits are loaded."
 
-        if self._scheduler is None:
-            return "No scheduler is loaded."
-
         self.logger.info("Starting to update visit skymaps")
 
         vmap, vmap_data = schedview.plot.visitmap.create_visit_skymaps(
             visits=self._visits,
-            scheduler=self._scheduler,
             night_date=self.night,
             timezone=self.timezone,
             observatory=self._observatory,
@@ -799,7 +760,6 @@ def make_app(
         self,
         night_date=None,
         opsim_db=None,
-        scheduler=None,
         rewards=None,
         shown_tabs=None,
         custom_hvplot_tab_settings_file=None,
@@ -812,8 +772,6 @@ def make_app(
             The date of the night to display.
         opsim_db : `str`, optional
             Path to the opsim output database file.
-        scheduler : `str`, optional
-            Path to the scheduler pickle file.
         rewards : `str`, optional
             Path to the rewards hdf5 file.
         shown_tabs : `list` [`str`], optional
@@ -834,9 +792,6 @@ def make_app(
         if night_date is not None:
             self.night = night_date
 
-        if scheduler is not None:
-            self.scheduler_fname = scheduler
-
         if opsim_db is not None:
             self.opsim_output_fname = opsim_db
 
@@ -857,7 +812,6 @@ def make_app(
                     parameters=[
                         "night",
                         "timezone",
-                        "scheduler_fname",
                         "opsim_output_fname",
                     ],
                     name="<h2>Parameters</h2>",
@@ -896,19 +850,12 @@ class RestrictedInputPrenight(Prenight):
         path=f"{PACKAGE_DATA_DIR}/*opsim*.db", label="OpSim output database", default=None, allow_None=True
     )
 
-    scheduler_fname = schedview.param.FileSelectorWithEmptyOption(
-        path=f"{PACKAGE_DATA_DIR}/*scheduler*.p*",
-        label="Scheduler pickle file",
-        default=None,
-        allow_None=True,
-    )
-
     rewards_fname = schedview.param.FileSelectorWithEmptyOption(
         path=f"{PACKAGE_DATA_DIR}/*rewards*.h5", label="rewards HDF5 file", default=None, allow_None=True
     )
 
     def __init__(self, data_dir=None, **kwargs):
-        # A few arguments (scheduler, opsim_db, rewards) will be used
+        # A few arguments (opsim_db, rewards) will be used
         # later in this method to set the options for parameters, but
         # are not themselves parameters. So, remove them them the
         # params list before calling super().__init__().
@@ -920,7 +867,6 @@ def __init__(self, data_dir=None, **kwargs):
         # they can be updated by key.
         fname_params = {
             "opsim_db": self.param["opsim_output_fname"],
-            "scheduler": self.param["scheduler_fname"],
             "reward": self.param["rewards_fname"],
         }
 
@@ -930,7 +876,6 @@ def __init__(self, data_dir=None, **kwargs):
         if data_dir is not None:
             fname_glob = {
                 "opsim_db": f"{data_dir}/*opsim*.db",
-                "scheduler": f"{data_dir}/*scheduler*.p*",
                 "reward": f"{data_dir}/*rewards*.h5",
             }
 
@@ -960,7 +905,7 @@ def prenight_app(*args, **kwargs):
             data_dir = None
 
         specified_data_files = {}
-        data_args = set(["opsim_db", "scheduler", "rewards"]) & set(kwargs.keys())
+        data_args = set(["opsim_db", "rewards"]) & set(kwargs.keys())
         for data_arg in data_args:
             # Fully resolve the path to the file.
             file_path = Path(kwargs[data_arg]).resolve()
@@ -1001,14 +946,6 @@ def parse_prenight_args():
         help="The path to the OpSim output database.",
     )
 
-    parser.add_argument(
-        "--scheduler",
-        "-s",
-        type=str,
-        default=None,
-        help="The path to the scheduler pickle file.",
-    )
-
     parser.add_argument(
         "--rewards",
         "-r",

schedview/collect/footprint.py

@@ -2,32 +2,12 @@
 from rubin_sim.scheduler.utils.sky_area import SkyAreaGenerator
 
 
-def get_footprint(scheduler=None):
-    """Extract the footprint from a survey."""
-    # This is a hack, good enough for example code, not for production.
+def get_footprint(nside=32):
+    """Get the survey footprint."""
 
-    # Look through the scheduler to find a blob survey that has a footprint
-    # basis function
-    footprint = None
-    if scheduler is None:
-        nside = 32
-    else:
-        nside = scheduler.nside
-        for survey_tier in scheduler.survey_lists:
-            for survey in survey_tier:
-                if survey.__class__.__name__ in ["GreedySurvey"]:
-                    for basis_function in survey.basis_functions:
-                        bf_class = basis_function.__class__
-                        if bf_class.__name__.startswith("Footprint"):
-                            if footprint is None:
-                                footprint = np.sum(basis_function.footprint.footprints, axis=0)
-                            else:
-                                footprint += np.sum(basis_function.footprint.footprints, axis=0)
-
-    if footprint is None:
-        sky_area_generator = SkyAreaGenerator(nside=nside)
-        band_footprints, _ = sky_area_generator.return_maps()
-        footprint = np.sum(band_footprints[b] for b in band_footprints.dtype.fields.keys())
+    sky_area_generator = SkyAreaGenerator(nside=nside)
+    band_footprints, _ = sky_area_generator.return_maps()
+    footprint = np.sum(band_footprints[b] for b in band_footprints.dtype.fields.keys())
 
     footprint[footprint == 0] = np.nan
     return footprint

schedview/plot/visitmap.py

@@ -394,8 +394,8 @@ def plot_visit_planisphere(
 
 def create_visit_skymaps(
     visits,
-    scheduler,
     night_date,
+    nside=32,
     observatory=None,
     timezone="Chile/Continental",
     planisphere_only=False,
@@ -418,12 +418,11 @@ def create_visit_skymaps(
 
         If a string, the file name of the opsim database from which the
         visits should be loaded.
-    scheduler : `CoreScheduler` or `str`
-        The scheduler from which to extract the footprint, or the name of
-        a file from which such a scheduler should be loaded.
     night_date : `datetime.date`
         The calendar date of the evening of the night for which
         to plot the visits.
+    nside : `int`, optional
+        The healpix nside to use for the map.
     observatory : `ModelObservatory`, optional
         Provides the location of the observatory, used to compute
         night start and end times.
@@ -455,14 +454,11 @@ def create_visit_skymaps(
     if end_time is not None:
         visits.query(f"observationStartMJD <= {Time(end_time).mjd}", inplace=True)
 
-    if isinstance(scheduler, str):
-        scheduler, conditions = schedview.collect.scheduler_pickle.read_scheduler(scheduler)
-
     if observatory is None:
-        observatory = ModelObservatory(nside=scheduler.nside, init_load_length=1)
+        observatory = ModelObservatory(nside=nside, init_load_length=1)
         observatory.sky_model.load_length = 1
 
-    footprint = schedview.collect.footprint.get_footprint(scheduler)
+    footprint = schedview.collect.footprint.get_footprint(nside)
     observatory.mjd = end_time.mjd
     conditions = observatory.return_conditions()
     data = {"visits": visits, "footprint": footprint, "conditions": conditions}

tests/test_prenight.py

@@ -14,7 +14,6 @@ def test_prenight_app(self):
         sample_data_dir = importlib.resources.files("schedview").joinpath("data")
 
         sample_opsim_db = str(sample_data_dir.joinpath("sample_opsim.db"))
-        sample_scheduler_pickle = str(sample_data_dir.joinpath("sample_scheduler.pickle.xz"))
         sample_rewards_h5 = str(sample_data_dir.joinpath("sample_rewards.h5"))
 
         # Use a separate test custom settings file from the sample, because
@@ -24,7 +23,6 @@ def test_prenight_app(self):
 
         app = prenight_app(
             opsim_db=sample_opsim_db,
-            scheduler=sample_scheduler_pickle,
             rewards=sample_rewards_h5,
             custom_hvplot_tab_settings_file=custom_hvplot_tabs,
         )