Allow runtime "configuration" of reduction handlers

pyproject.toml

@@ -45,13 +45,17 @@ dynamic = ["version"]
 
 [project.optional-dependencies]
 test = [
+    "esssans",
     "essspectroscopy",
     "pytest",
     "pytest-benchmark",
 ]
 bifrost = [
     "essspectroscopy",
 ]
+loki = [
+    "esssans",
+]
 dashboard = [
   "dash",
   "gunicorn",

requirements/base.txt

@@ -74,7 +74,7 @@ packaging==24.2
     #   pooch
 pillow==11.1.0
     # via matplotlib
-platformdirs==4.3.6
+platformdirs==4.3.7
     # via pooch
 plopp==25.3.0
     # via scippneutron
@@ -86,7 +86,7 @@ pydantic==2.10.6
     #   scippneutron
 pydantic-core==2.27.2
     # via pydantic
-pyparsing==3.2.1
+pyparsing==3.2.3
     # via matplotlib
 python-dateutil==2.9.0.post0
     # via
@@ -117,7 +117,7 @@ scipy==1.15.2
     #   scippnexus
 six==1.17.0
     # via python-dateutil
-typing-extensions==4.12.2
+typing-extensions==4.13.0
     # via
     #   pydantic
     #   pydantic-core

requirements/basetest.in

@@ -9,6 +9,7 @@ pytest-xdist
 # will not be touched by ``make_base.py``
 # --- END OF CUSTOM SECTION ---
 # The following was generated by 'tox -e deps', DO NOT EDIT MANUALLY!
+esssans
 essspectroscopy
 pytest
 pytest-benchmark

requirements/basetest.txt

@@ -1,4 +1,4 @@
-# SHA1:82658a80ffa9a59e7f724c250258e1f524276168
+# SHA1:06cf9b1a88938b3e0e42463590b5b897dc2ca243
 #
 # This file is autogenerated by pip-compile-multi
 # To update, run:
@@ -7,50 +7,92 @@
 #
 annotated-types==0.7.0
     # via pydantic
+asttokens==3.0.0
+    # via stack-data
 choppera==0.1.6
     # via essspectroscopy
+click==8.1.8
+    # via dask
+cloudpickle==3.1.1
+    # via dask
+comm==0.2.2
+    # via ipywidgets
 contourpy==1.3.1
     # via matplotlib
-coverage[toml]==7.7.0
+coverage[toml]==7.7.1
     # via pytest-cov
 cyclebane==24.10.0
     # via sciline
 cycler==0.12.1
     # via matplotlib
+dask==2025.3.0
+    # via esssans
+decorator==5.2.1
+    # via ipython
 dnspython==2.7.0
     # via email-validator
 email-validator==2.2.0
     # via scippneutron
 essreduce==25.3.1
-    # via essspectroscopy
+    # via
+    #   esssans
+    #   essspectroscopy
+esssans==25.2.0
+    # via -r basetest.in
 essspectroscopy==0.25.2.0
     # via -r basetest.in
 exceptiongroup==1.2.2
-    # via pytest
+    # via
+    #   ipython
+    #   pytest
 execnet==2.1.1
     # via pytest-xdist
+executing==2.2.0
+    # via stack-data
 fonttools==4.56.0
     # via matplotlib
+fsspec==2025.3.0
+    # via dask
+graphviz==0.20.3
+    # via esssans
 h5py==3.13.0
     # via
     #   scippneutron
     #   scippnexus
 idna==3.10
     # via email-validator
-iniconfig==2.0.0
+importlib-metadata==8.6.1
+    # via dask
+iniconfig==2.1.0
     # via pytest
+ipydatawidgets==4.3.5
+    # via pythreejs
+ipython==8.34.0
+    # via ipywidgets
+ipywidgets==8.1.5
+    # via
+    #   ipydatawidgets
+    #   pythreejs
+jedi==0.19.2
+    # via ipython
+jupyterlab-widgets==3.0.13
+    # via ipywidgets
 kiwisolver==1.4.8
     # via matplotlib
 lazy-loader==0.4
     # via
     #   plopp
     #   scippneutron
+locket==1.0.0
+    # via partd
 loguru==0.7.3
     # via essspectroscopy
 matplotlib==3.10.1
     # via
     #   mpltoolbox
     #   plopp
+matplotlib-inline==0.1.7
+    # via ipython
 mpltoolbox==24.5.1
     # via scippneutron
 networkx==3.4.2
@@ -59,33 +101,56 @@ numpy==2.2.4
     # via
     #   choppera
     #   contourpy
+    #   esssans
     #   h5py
+    #   ipydatawidgets
     #   matplotlib
     #   mpltoolbox
+    #   pandas
     #   polystar
+    #   pythreejs
     #   scipp
     #   scippneutron
     #   scipy
 packaging==24.2
     # via
+    #   dask
     #   lazy-loader
     #   matplotlib
     #   pytest
+pandas==2.2.3
+    # via esssans
+parso==0.8.4
+    # via jedi
+partd==1.4.2
+    # via dask
+pexpect==4.9.0
+    # via ipython
 pillow==11.1.0
     # via matplotlib
 plopp==25.3.0
-    # via scippneutron
+    # via
+    #   esssans
+    #   scippneutron
 pluggy==1.5.0
     # via pytest
 polystar==0.4.5
     # via choppera
+prompt-toolkit==3.0.50
+    # via ipython
+ptyprocess==0.7.0
+    # via pexpect
+pure-eval==0.2.3
+    # via stack-data
 py-cpuinfo==9.0.0
     # via pytest-benchmark
 pydantic==2.10.6
     # via scippneutron
 pydantic-core==2.27.2
     # via pydantic
-pyparsing==3.2.1
+pygments==2.19.1
+    # via ipython
+pyparsing==3.2.3
     # via matplotlib
 pytest==8.3.5
     # via
@@ -102,28 +167,39 @@ pytest-xdist==3.6.1
 python-dateutil==2.9.0.post0
     # via
     #   matplotlib
+    #   pandas
     #   scippneutron
     #   scippnexus
     #   strictyaml
+pythreejs==2.4.2
+    # via esssans
+pytz==2025.2
+    # via pandas
+pyyaml==6.0.2
+    # via dask
 sciline==24.10.0
     # via
     #   essreduce
+    #   esssans
     #   essspectroscopy
 scipp==25.3.0
     # via
     #   choppera
     #   essreduce
+    #   esssans
     #   essspectroscopy
     #   scippneutron
     #   scippnexus
 scippneutron==25.2.1
     # via
     #   essreduce
+    #   esssans
     #   essspectroscopy
 scippnexus==24.11.1
     # via
     #   choppera
     #   essreduce
+    #   esssans
     #   essspectroscopy
     #   scippneutron
 scipy==1.15.2
@@ -133,15 +209,40 @@ scipy==1.15.2
     #   scippnexus
 six==1.17.0
     # via python-dateutil
+stack-data==0.6.3
+    # via ipython
 strictyaml==1.7.3
     # via choppera
 tomli==2.2.1
     # via
     #   coverage
     #   pytest
+toolz==1.0.0
+    # via
+    #   dask
+    #   partd
 tqdm==4.67.1
     # via essspectroscopy
-typing-extensions==4.12.2
+traitlets==5.14.3
+    # via
+    #   comm
+    #   ipython
+    #   ipywidgets
+    #   matplotlib-inline
+    #   pythreejs
+    #   traittypes
+traittypes==0.2.1
+    # via ipydatawidgets
+typing-extensions==4.13.0
     # via
+    #   ipython
     #   pydantic
     #   pydantic-core
+tzdata==2025.2
+    # via pandas
+wcwidth==0.2.13
+    # via prompt-toolkit
+widgetsnbextension==4.0.13
+    # via ipywidgets
+zipp==3.21.0
+    # via importlib-metadata

requirements/ci.txt

@@ -32,7 +32,7 @@ packaging==24.2
     #   -r ci.in
     #   pyproject-api
     #   tox
-platformdirs==4.3.6
+platformdirs==4.3.7
     # via
     #   tox
     #   virtualenv
@@ -50,7 +50,7 @@ tomli==2.2.1
     #   tox
 tox==4.24.2
     # via -r ci.in
-typing-extensions==4.12.2
+typing-extensions==4.13.0
     # via tox
 urllib3==2.3.0
     # via requests

requirements/dev.txt

@@ -26,13 +26,9 @@ async-lru==2.0.5
     # via jupyterlab
 cffi==1.17.1
     # via argon2-cffi-bindings
-click==8.1.8
-    # via
-    #   pip-compile-multi
-    #   pip-tools
 copier==9.6.0
     # via -r dev.in
-dunamai==1.23.0
+dunamai==1.23.1
     # via copier
 fqdn==1.5.1
     # via jsonschema