[SCHEMA] Configure only the bst logger instead of the root logger (#1996

)

* Configure only the bst logger instead of the root logger

* Add a logging handler if there are none

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fix flake8

tools/schemacode/src/bidsschematools/render/tables.py

@@ -2,21 +2,16 @@
 
 from __future__ import annotations
 
-import logging
-import os
 import typing as ty
 
 import pandas as pd
 from tabulate import tabulate
 
 from bidsschematools.render import utils
 from bidsschematools.schema import BIDSSchemaError, Namespace, filter_schema
-from bidsschematools.utils import get_logger, set_logger_level
+from bidsschematools.utils import get_logger
 
 lgr = get_logger()
-# Basic settings for output, for now just basic
-set_logger_level(lgr, os.environ.get("BIDS_SCHEMA_LOG_LEVEL", logging.INFO))
-logging.basicConfig(format="%(asctime)-15s [%(levelname)8s] %(message)s")
 
 # Remember to add extension (.html or .md) to the paths when using them.
 ENTITIES_PATH = "SPEC_ROOT/appendices/entities"

tools/schemacode/src/bidsschematools/render/text.py

@@ -1,19 +1,13 @@
 """Functions for rendering portions of the schema as text."""
 
-import logging
-import os
-
 import yaml
 from markdown_it import MarkdownIt
 
 from bidsschematools.render import utils
 from bidsschematools.schema import Namespace, filter_schema, load_schema
-from bidsschematools.utils import get_logger, set_logger_level
+from bidsschematools.utils import get_logger
 
 lgr = get_logger()
-# Basic settings for output, for now just basic
-set_logger_level(lgr, os.environ.get("BIDS_SCHEMA_LOG_LEVEL", logging.INFO))
-logging.basicConfig(format="%(asctime)-15s [%(levelname)8s] %(message)s")
 
 # Remember to add extension (.html or .md) to the paths when using them.
 ENTITIES_PATH = "SPEC_ROOT/appendices/entities"

tools/schemacode/src/bidsschematools/schema.py

@@ -1,7 +1,6 @@
 """Schema loading- and processing-related functions."""
 
 import json
-import logging
 import os
 import re
 import sys
@@ -21,9 +20,6 @@
 from .types import Namespace
 
 lgr = utils.get_logger()
-# Basic settings for output, for now just basic
-utils.set_logger_level(lgr, os.environ.get("BIDS_SCHEMA_LOG_LEVEL", logging.INFO))
-logging.basicConfig(format="%(asctime)-15s [%(levelname)8s] %(message)s")
 
 
 class BIDSSchemaError(Exception):

tools/schemacode/src/bidsschematools/utils.py

@@ -1,6 +1,7 @@
 """Utility functions for the bids-specification schema."""
 
 import logging
+import os
 
 from . import data
 
@@ -29,7 +30,19 @@ def get_logger(name=None):
     logging.Logger
         logger object.
     """
-    return logging.getLogger("bidsschematools" + (".%s" % name if name else ""))
+    logger = logging.getLogger("bidsschematools" + (".%s" % name if name else ""))
+    # Basic settings for output, for now just basic
+    set_logger_level(logger, os.environ.get("BIDS_SCHEMA_LOG_LEVEL", logging.INFO))
+    format = "%(asctime)-15s [%(levelname)8s] %(message)s"
+    if len(logger.handlers) == 0:
+        # add a handler if there isn't one
+        ch = logging.StreamHandler()
+        logger.addHandler(ch)
+    # Set the formatter for the handlers
+    for lh in logger.handlers:
+        lh.setFormatter(logging.Formatter(format))
+
+    return logger
 
 
 def set_logger_level(lgr, level):