Refactor various things to be more seperate

iottb/utils/logger_config.py

@@ -4,7 +4,7 @@ from pathlib import Path
 import logging
 from logging.handlers import RotatingFileHandler
 import sys
-from iottb.contexts import IottbConfig
+from iottb.models.iottb_config import IottbConfig
 from iottb import definitions
 from iottb.definitions import MAX_VERBOSITY, CONSOLE_LOG_FORMATS, APP_NAME, LOGFILE_LOG_FORMAT
 

iottb/utils/string_processing.py

@@ -1,6 +1,40 @@
 import re
 from iottb import definitions
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 def normalize_string(s, chars_to_replace=None, replacement=None, allow_unicode=False):
     pass
+
+
+def make_canonical_name(name):
+    """
+    Normalize the device name to a canonical form:
+    - Replace the first two occurrences of spaces and transform characters with dashes.
+    - Remove any remaining spaces and non-ASCII characters.
+    - Convert to lowercase.
+    """
+    aliases = [name]
+    logger.info(f'Normalizing name {name}')
+
+    # We first normalize
+    chars_to_replace = definitions.REPLACEMENT_SET_CANONICAL_DEVICE_NAMES
+    pattern = re.compile('|'.join(re.escape(char) for char in chars_to_replace))
+    norm_name = pattern.sub('-', name)
+    norm_name = re.sub(r'[^\x00-\x7F]+', '', norm_name) # removes non ascii chars
+
+    aliases.append(norm_name)
+    # Lower case
+    norm_name = norm_name.lower()
+    aliases.append(norm_name)
+
+    # canonical name is only first two parts of resulting string
+    parts = norm_name.split('-')
+    canonical_name = canonical_name = '-'.join(parts[:2])
+    aliases.append(canonical_name)
+
+    logger.debug(f'Canonical name: {canonical_name}')
+    logger.debug(f'Aliases: {aliases}')
+    return canonical_name, list(set(aliases))