DM-30286: Add VERBOSE log level

python/lsst/daf/butler/_butler.py

@@ -80,6 +80,7 @@
     StorageClassFactory,
     Timespan,
     ValidationError,
+    VERBOSE,
 )
 from .core.repoRelocation import BUTLER_ROOT_TAG
 from .core.utils import transactional, getClassOf
@@ -402,6 +403,8 @@ def makeRepo(root: str, config: Union[Config, str, None] = None,
         dimensionConfig = DimensionConfig(dimensionConfig)
         Registry.createFromConfig(registryConfig, dimensionConfig=dimensionConfig, butlerRoot=root)
 
+        log.log(VERBOSE, "Wrote new Butler configuration file to %s", configURI)
+
         return config
 
     @classmethod

python/lsst/daf/butler/cli/cliLog.py

@@ -231,6 +231,9 @@ def _getPyLogLevel(level):
         numericValue : `int`
             The python `logging` numeric value for the log level.
         """
+        if level == "VERBOSE":
+            from .. import VERBOSE
+            return VERBOSE
         return getattr(logging, level, None)
 
     @staticmethod
@@ -262,6 +265,9 @@ def _getLsstLogLevel(level):
             level = "FATAL"
         elif level == "WARNING":
             level = "WARN"
+        elif level == "VERBOSE":
+            # LSST log does not yet have verbose defined
+            return (lsstLog.Log.DEBUG + lsstLog.Log.INFO) // 2
         return getattr(lsstLog.Log, level, None)
 
     class ComponentSettings:

python/lsst/daf/butler/cli/opt/options.py

@@ -94,7 +94,7 @@ def makeCollectionTypes(context, param, value):
 datasets_option = MWOptionDecorator("--datasets")
 
 
-logLevelChoices = ["CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG"]
+logLevelChoices = ["CRITICAL", "ERROR", "WARNING", "INFO", "VERBOSE", "DEBUG"]
 log_level_option = MWOptionDecorator("--log-level",
                                      callback=partial(split_kv,
                                                       choice=click.Choice(logLevelChoices,

python/lsst/daf/butler/core/__init__.py

@@ -30,3 +30,4 @@
 from .timespan import *
 from .progress import Progress
 from . import progress  # most symbols are only used by handler implementors
+from .logging import *

python/lsst/daf/butler/core/logging.py

@@ -0,0 +1,31 @@
+# This file is part of daf_butler.
+#
+# Developed for the LSST Data Management System.
+# This product includes software developed by the LSST Project
+# (http://www.lsst.org).
+# See the COPYRIGHT file at the top-level directory of this distribution
+# for details of code ownership.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from __future__ import annotations
+
+__all__ = ("VERBOSE",)
+
+import logging
+
+VERBOSE = (logging.INFO + logging.DEBUG) // 2
+"""Verbose log level"""
+
+logging.addLevelName(VERBOSE, "VERBOSE")