lsst · timj · Feb 19, 2026 · Jan 9, 2026 · Jan 9, 2026 · Jan 9, 2026
diff --git a/config/.ruff.toml b/config/.ruff.toml
@@ -1,3 +1,5 @@
 extend = "../pyproject.toml"
+# Use this line when config moves inside python tree.
+# extend = "../../../../../../pyproject.toml"
 # Ignore undefined "config", as config files are loaded with `eval`.
 builtins = ["config"]
diff --git a/config/bias.py b/config/bias.py
@@ -20,7 +20,5 @@
 # the GNU General Public License along with this program.  If not,
 # see <http://www.lsstcorp.org/LegalNotices/>.
 
-import os.path
-
-config.load(os.path.join(os.path.dirname(__file__), "lsstCamCommon.py"))
-config.isr.load(os.path.join(os.path.dirname(__file__), "isr.py"))
+config.load("lsstCamCommon.py")
+config.isr.load("isr.py")
diff --git a/config/calibrate.py b/config/calibrate.py
@@ -23,18 +23,15 @@
 """
 LSST Cam-specific overrides for CalibrateTask
 """
-import os.path
-
-obsConfigDir = os.path.dirname(__file__)
 
 # TODO: Turn color terms back on when they are available
 config.photoCal.applyColorTerms = False
 config.photoCal.photoCatName = "the_monster_20250219"
 
 # Activate calibration of measurements: required for aperture corrections
-config.measurement.load(os.path.join(obsConfigDir, "apertures.py"))
-config.measurement.load(os.path.join(obsConfigDir, "kron.py"))
-config.measurement.load(os.path.join(obsConfigDir, "hsm.py"))
+config.measurement.load("apertures.py")
+config.measurement.load("kron.py")
+config.measurement.load("hsm.py")
 
 config.measurement.plugins.names |= ["base_Jacobian", "base_FPPosition"]
 

diff --git a/config/characterizeImage.py b/config/characterizeImage.py
@@ -23,15 +23,12 @@
 """
 LSST Cam-specific overrides for CharacterizeImageTask
 """
-import os.path
-
-obsConfigDir = os.path.join(os.path.dirname(__file__))
 
 # PSF determination
 config.measurePsf.reserve.fraction = 0.2
 
 # Activate calibration of measurements: required for aperture corrections
-config.measurement.load(os.path.join(obsConfigDir, "apertures.py"))
+config.measurement.load("apertures.py")
 
 config.measurement.plugins.names |= ["base_Jacobian", "base_FPPosition"]
 config.measurement.plugins["base_Jacobian"].pixelScale = 0.2
diff --git a/config/comCam/analysisToolsPhotometricCatalogMatch.py b/config/comCam/analysisToolsPhotometricCatalogMatch.py
@@ -1,5 +1,2 @@
-import os.path
-
-configDir = os.path.dirname(__file__)
-config.referenceCatalogLoader.refObjLoader.load(os.path.join(configDir, "filterMap.py"))
+config.referenceCatalogLoader.refObjLoader.load("filterMap.py")
 config.referenceCatalogLoader.doApplyColorTerms = False
diff --git a/config/comCam/analysisToolsPhotometricCatalogMatchVisit.py b/config/comCam/analysisToolsPhotometricCatalogMatchVisit.py
@@ -1,5 +1,2 @@
-import os.path
-
-configDir = os.path.dirname(__file__)
-config.referenceCatalogLoader.refObjLoader.load(os.path.join(configDir, "filterMap.py"))
+config.referenceCatalogLoader.refObjLoader.load("filterMap.py")
 config.referenceCatalogLoader.doApplyColorTerms = False
diff --git a/config/comCam/calibrate.py b/config/comCam/calibrate.py
@@ -1,7 +1,4 @@
-import os
-
-obsConfigDir = os.path.join(os.path.dirname(__file__))
-config.photoRefObjLoader.load(os.path.join(obsConfigDir, "filterMap.py"))
+config.photoRefObjLoader.load("filterMap.py")
 config.connections.astromRefCat = "the_monster_20250219"
 
 # Loosen maxOffset to account for early pointing model inaccuracy.
@@ -17,10 +14,10 @@
 
 # Overrides to improved astrometry matching.
 config.astrometry.doFiducialZeroPointCull = True
-config.astrometry.load(os.path.join(obsConfigDir, "fiducialZeroPoint.py"))
+config.astrometry.load("fiducialZeroPoint.py")
 
 # Loosened for early ComCam with large PSFs.
 config.photoCal.match.sourceSelection.doUnresolved = False
 
 # Exposure summary stats.
-config.computeSummaryStats.load(os.path.join(obsConfigDir, "computeExposureSummaryStats.py"))
+config.computeSummaryStats.load("computeExposureSummaryStats.py")
diff --git a/config/comCam/calibrateImage.py b/config/comCam/calibrateImage.py
@@ -1,10 +1,6 @@
-import os
-
 from lsst.meas.algorithms import ColorLimit  # Configure the photometry to use the_monster.
 
 # Configure the photometry to use atlas_refcat2.
-config_dir = os.path.dirname(__file__)
-
 config.connections.photometry_ref_cat = "the_monster_20250219"
 config.connections.astrometry_ref_cat = "the_monster_20250219"
 
@@ -15,8 +11,8 @@
 config.star_background.doApplyFlatBackgroundRatio = True
 config.star_detection.doApplyFlatBackgroundRatio = True
 
-config.astrometry.load(os.path.join(config_dir, "filterMap.py"))
-config.photometry_ref_loader.load(os.path.join(config_dir, "filterMap.py"))
+config.astrometry.load("filterMap.py")
+config.photometry_ref_loader.load("filterMap.py")
 
 config.photometry.match.referenceSelection.magLimit.fluxField = "monster_ComCam_r_flux"
 colors = config.photometry.match.referenceSelection.colorLimits
@@ -30,7 +26,7 @@
 config.photometry.applyColorTerms = False
 config.photometry.photoCatName = "the_monster_20250219"
 
-config.compute_summary_stats.load(os.path.join(config_dir, "computeExposureSummaryStats.py"))
+config.compute_summary_stats.load("computeExposureSummaryStats.py")
 
 # Loosen maxOffset to account for early pointing model inaccuracy.
 config.astrometry.matcher.maxOffsetPix=1500
@@ -45,7 +41,7 @@
 
 # Overrides to improved astrometry matching.
 config.astrometry.doFiducialZeroPointCull = True
-config.astrometry.load(os.path.join(config_dir, "fiducialZeroPoint.py"))
+config.astrometry.load("fiducialZeroPoint.py")
 
 # Loosened for early ComCam with large PSFs.
 config.photometry.match.sourceSelection.doUnresolved = False

diff --git a/config/comCam/computeExposureSummaryStats.py b/config/comCam/computeExposureSummaryStats.py
@@ -1,7 +1,4 @@
-import os.path
 
-config_dir = os.path.dirname(__file__)
-
-config.load(os.path.join(config_dir, "fiducialPsfSigma.py"))
-config.load(os.path.join(config_dir, "fiducialSkyBackground.py"))
-config.load(os.path.join(config_dir, "fiducialZeroPoint.py"))
+config.load("fiducialPsfSigma.py")
+config.load("fiducialSkyBackground.py")
+config.load("fiducialZeroPoint.py")
diff --git a/config/comCam/fgcmBuildFromIsolatedStars.py b/config/comCam/fgcmBuildFromIsolatedStars.py
@@ -1,5 +1,3 @@
-import os
-
 physical_to_band = {
     "u_02": "u",
     "g_01": "g",
@@ -17,10 +15,8 @@
 config.minPerBand = 2
 config.connections.ref_cat = "the_monster_20250219"
 
-configDir = os.path.join(os.path.dirname(__file__))
 config.physicalFilterMap = physical_to_band
-obsConfigDir = os.path.join(os.path.dirname(__file__))
-config.fgcmLoadReferenceCatalog.load(os.path.join(obsConfigDir, "filterMap.py"))
+config.fgcmLoadReferenceCatalog.load("filterMap.py")
 config.fgcmLoadReferenceCatalog.applyColorTerms = False
 config.fgcmLoadReferenceCatalog.referenceSelector.doSignalToNoise = True
 config.fgcmLoadReferenceCatalog.referenceSelector.signalToNoise.fluxField = "monster_ComCam_i_flux"

diff --git a/config/comCam/finalize_characterization_detector.py b/config/comCam/finalize_characterization_detector.py
@@ -1,3 +1 @@
-import os.path
-
-config.load(os.path.join(os.path.dirname(__file__), "finalize_characterization.py"))
+config.load("finalize_characterization.py")
diff --git a/config/comCam/reprocessVisitImage.py b/config/comCam/reprocessVisitImage.py
@@ -1,8 +1,5 @@
 #!/usr/bin/env python
-import os.path
 
-ObsConfigDir = os.path.dirname(__file__)
-
-config.compute_summary_stats.load(os.path.join(ObsConfigDir, "computeExposureSummaryStats.py"))
+config.compute_summary_stats.load("computeExposureSummaryStats.py")
 
 config.do_apply_flat_background_ratio = True
diff --git a/config/comCam/updateVisitSummary.py b/config/comCam/updateVisitSummary.py
@@ -1,6 +1,3 @@
 #!/usr/bin/env python
-import os.path
 
-ObsConfigDir = os.path.dirname(__file__)
-
-config.compute_summary_stats.load(os.path.join(ObsConfigDir, "computeExposureSummaryStats.py"))
+config.compute_summary_stats.load("computeExposureSummaryStats.py")
diff --git a/config/comCamSim/analysisToolsPhotometricCatalogMatch.py b/config/comCamSim/analysisToolsPhotometricCatalogMatch.py
@@ -1,7 +1,4 @@
-import os.path
-
-configDir = os.path.dirname(__file__)
-config.referenceCatalogLoader.refObjLoader.load(os.path.join(configDir, "filterMap.py"))
+config.referenceCatalogLoader.refObjLoader.load("filterMap.py")
 config.referenceCatalogLoader.doApplyColorTerms = False
 
 config.connections.refCatalog = "uw_stars_20240524"

diff --git a/config/comCamSim/analysisToolsPhotometricCatalogMatchVisit.py b/config/comCamSim/analysisToolsPhotometricCatalogMatchVisit.py
@@ -1,7 +1,4 @@
-import os.path
-
-configDir = os.path.dirname(__file__)
-config.referenceCatalogLoader.refObjLoader.load(os.path.join(configDir, "filterMap.py"))
+config.referenceCatalogLoader.refObjLoader.load("filterMap.py")
 config.referenceCatalogLoader.doApplyColorTerms = False
 
 config.connections.refCatalog = "uw_stars_20240524"
diff --git a/config/comCamSim/calibrate.py b/config/comCamSim/calibrate.py
@@ -20,16 +20,12 @@
 # the GNU General Public License along with this program.  If not,
 # see <http://www.lsstcorp.org/LegalNotices/>.
 
-import os.path
-
-configDir = os.path.dirname(__file__)
-
 config.connections.astromRefCat = "uw_stars_20240524"
 config.connections.photoRefCat = "uw_stars_20240524"
 config.photoCal.photoCatName = "uw_stars_20240524"
 
-config.astromRefObjLoader.load(os.path.join(configDir, "filterMap.py"))
-config.photoRefObjLoader.load(os.path.join(configDir, "filterMap.py"))
+config.astromRefObjLoader.load("filterMap.py")
+config.photoRefObjLoader.load("filterMap.py")
 config.astromRefObjLoader.anyFilterMapsToThis = None
 config.photoRefObjLoader.anyFilterMapsToThis = None
 
@@ -52,4 +48,4 @@
 config.photoCal.match.referenceSelection.magLimit.maximum = 22.0
 
 # Exposure summary stats
-config.computeSummaryStats.load(os.path.join(configDir, "computeExposureSummaryStats.py"))
+config.computeSummaryStats.load("computeExposureSummaryStats.py")
diff --git a/config/comCamSim/calibrateImage.py b/config/comCamSim/calibrateImage.py
@@ -1,13 +1,10 @@
 # ComCamSim-specialized configuration for CalibrateImageTask.
-import os.path
-
-configDir = os.path.dirname(__file__)
 
 config.connections.astrometry_ref_cat = "uw_stars_20240524"
 config.connections.photometry_ref_cat = "uw_stars_20240524"
 
-config.astrometry_ref_loader.load(os.path.join(configDir, "filterMap.py"))
-config.photometry_ref_loader.load(os.path.join(configDir, "filterMap.py"))
+config.astrometry_ref_loader.load("filterMap.py")
+config.photometry_ref_loader.load("filterMap.py")
 config.astrometry_ref_loader.anyFilterMapsToThis = None
 config.photometry_ref_loader.anyFilterMapsToThis = None
 
@@ -30,4 +27,4 @@
 config.photometry.match.referenceSelection.magLimit.maximum = 22.0
 
 # Exposure summary stats
-config.compute_summary_stats.load(os.path.join(configDir, "computeExposureSummaryStats.py"))
+config.compute_summary_stats.load("computeExposureSummaryStats.py")
diff --git a/config/comCamSim/computeExposureSummaryStats.py b/config/comCamSim/computeExposureSummaryStats.py
@@ -1,7 +1,3 @@
-import os.path
-
-config_dir = os.path.dirname(__file__)
-
-config.load(os.path.join(config_dir, "fiducialPsfSigma.py"))
-config.load(os.path.join(config_dir, "fiducialSkyBackground.py"))
-config.load(os.path.join(config_dir, "fiducialZeroPoint.py"))
+config.load("fiducialPsfSigma.py")
+config.load("fiducialSkyBackground.py")
+config.load("fiducialZeroPoint.py")
diff --git a/config/comCamSim/fgcmBuildFromIsolatedStars.py b/config/comCamSim/fgcmBuildFromIsolatedStars.py
@@ -1,5 +1,3 @@
-import os
-
 physical_to_band = {
     "g_01": "g",
     "r_03": "r",
@@ -14,7 +12,6 @@
 config.minPerBand = 2
 config.connections.ref_cat = "uw_stars_20240524"
 
-configDir = os.path.join(os.path.dirname(__file__))
 config.physicalFilterMap = physical_to_band
 config.fgcmLoadReferenceCatalog.filterMap = {
     "g": "lsst_g",

diff --git a/config/comCamSim/reprocessVisitImage.py b/config/comCamSim/reprocessVisitImage.py
@@ -1,6 +1,2 @@
 #!/usr/bin/env python
-import os.path
-
-ObsConfigDir = os.path.dirname(__file__)
-
-config.compute_summary_stats.load(os.path.join(ObsConfigDir, "computeExposureSummaryStats.py"))
+config.compute_summary_stats.load("computeExposureSummaryStats.py")
diff --git a/config/comCamSim/updateVisitSummary.py b/config/comCamSim/updateVisitSummary.py
@@ -1,6 +1,2 @@
 #!/usr/bin/env python
-import os.path
-
-ObsConfigDir = os.path.dirname(__file__)
-
-config.compute_summary_stats.load(os.path.join(ObsConfigDir, "computeExposureSummaryStats.py"))
+config.compute_summary_stats.load("computeExposureSummaryStats.py")
diff --git a/config/compareWarpAssembleCoadd.py b/config/compareWarpAssembleCoadd.py
@@ -20,10 +20,8 @@
 # the GNU General Public License along with this program.  If not,
 # see <http://www.lsstcorp.org/LegalNotices/>.
 
-import os.path
-
 # Load configs from base assembleCoadd
-config.load(os.path.join(os.path.dirname(__file__), "assembleCoadd.py"))
+config.load("assembleCoadd.py")
 
 # 200 rows (since patch width is typically < 10k pixels
 config.assembleStaticSkyModel.subregionSize = (10000, 200)

diff --git a/config/dark.py b/config/dark.py
@@ -20,9 +20,7 @@
 # the GNU General Public License along with this program.  If not,
 # see <http://www.lsstcorp.org/LegalNotices/>.
 
-import os.path
-
-config.load(os.path.join(os.path.dirname(__file__), "lsstCamCommon.py"))
-config.isr.load(os.path.join(os.path.dirname(__file__), "isr.py"))
+config.load("lsstCamCommon.py")
+config.isr.load("isr.py")
 
 config.repair.cosmicray.nCrPixelMax = 100000
diff --git a/config/findDefects.py b/config/findDefects.py
@@ -1,4 +1,2 @@
-import os.path
-
-config.load(os.path.join(os.path.dirname(__file__), "lsstCamCommon.py"))
+config.load("lsstCamCommon.py")
 config.ccdKey = "detector"
diff --git a/config/flat.py b/config/flat.py
@@ -20,7 +20,5 @@
 # the GNU General Public License along with this program.  If not,
 # see <http://www.lsstcorp.org/LegalNotices/>.
 
-import os.path
-
-config.load(os.path.join(os.path.dirname(__file__), "lsstCamCommon.py"))
-config.isr.load(os.path.join(os.path.dirname(__file__), "isr.py"))
+config.load("lsstCamCommon.py")
+config.isr.load("isr.py")
diff --git a/config/forcedPhotCcd.py b/config/forcedPhotCcd.py
@@ -20,9 +20,7 @@
 # the GNU General Public License along with this program.  If not,
 # see <http://www.lsstcorp.org/LegalNotices/>.
 
-import os.path
-
-config.measurement.load(os.path.join(os.path.dirname(__file__), "apertures.py"))
+config.measurement.load("apertures.py")
 
 # We only need the 12 pixel aperture for subsequent measurements.
 config.measurement.plugins["base_CircularApertureFlux"].radii = [12.0]
diff --git a/config/forcedPhotCoadd.py b/config/forcedPhotCoadd.py
@@ -20,13 +20,11 @@
 # the GNU General Public License along with this program.  If not,
 # see <http://www.lsstcorp.org/LegalNotices/>.
 
-import os.path
-
-config.measurement.load(os.path.join(os.path.dirname(__file__), "apertures.py"))
-config.measurement.load(os.path.join(os.path.dirname(__file__), "kron.py"))
-config.measurement.load(os.path.join(os.path.dirname(__file__), "convolvedFluxes.py"))
-config.measurement.load(os.path.join(os.path.dirname(__file__), "gaap.py"))
-config.load(os.path.join(os.path.dirname(__file__), "cmodel.py"))
+config.measurement.load("apertures.py")
+config.measurement.load("kron.py")
+config.measurement.load("convolvedFluxes.py")
+config.measurement.load("gaap.py")
+config.load("cmodel.py")
 
 config.measurement.slots.gaussianFlux = None
 

diff --git a/config/hsm.py b/config/hsm.py
@@ -23,11 +23,8 @@
 
 # Enable HSM shapes (unsetup meas_extensions_shapeHSM to disable)
 # 'config' is a SourceMeasurementConfig.
-import os.path
-from lsst.utils import getPackageDir
-
 try:
-    config.load(os.path.join(getPackageDir("meas_extensions_shapeHSM"), "config", "enable.py"))
+    config.load("eups://meas_extensions_shapeHSM/config/enable.py")
     config.plugins["ext_shapeHSM_HsmShapeRegauss"].deblendNChild = "deblend_nChild"
     # Enable debiased moments
     config.plugins.names |= ["ext_shapeHSM_HsmPsfMomentsDebiased"]

diff --git a/config/imsim/analysisToolsPhotometricCatalogMatch.py b/config/imsim/analysisToolsPhotometricCatalogMatch.py
@@ -1,6 +1,3 @@
-import os.path
-
-configDir = os.path.dirname(__file__)
-config.referenceCatalogLoader.refObjLoader.load(os.path.join(configDir, "filterMap.py"))
+config.referenceCatalogLoader.refObjLoader.load("filterMap.py")
 config.referenceCatalogLoader.doApplyColorTerms = False
 config.connections.refCatalog = "cal_ref_cat_2_2"
diff --git a/config/imsim/analysisToolsPhotometricCatalogMatchVisit.py b/config/imsim/analysisToolsPhotometricCatalogMatchVisit.py
@@ -1,6 +1,3 @@
-import os.path
-
-configDir = os.path.dirname(__file__)
-config.referenceCatalogLoader.refObjLoader.load(os.path.join(configDir, "filterMap.py"))
+config.referenceCatalogLoader.refObjLoader.load("filterMap.py")
 config.referenceCatalogLoader.doApplyColorTerms = False
 config.connections.refCatalog = "cal_ref_cat_2_2"