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[nominatim.git] / nominatim / tokenizer / place_sanitizer.py

diff --git a/nominatim/tokenizer/place_sanitizer.py b/nominatim/tokenizer/place_sanitizer.py
index 3f548e061e4fdc9dc45e5f4711c35b061d66a1cd..2f76fe344a518c96ca030edf6610a5088844e724 100644 (file)
--- a/nominatim/tokenizer/place_sanitizer.py
+++ b/nominatim/tokenizer/place_sanitizer.py
@@ -9,11 +9,12 @@ Handler for cleaning name and address tags in place information before it
 is handed to the token analysis.
 """
 from typing import Optional, List, Mapping, Sequence, Callable, Any, Tuple
 is handed to the token analysis.
 """
 from typing import Optional, List, Mapping, Sequence, Callable, Any, Tuple

-import importlib

 
 from nominatim.errors import UsageError
 
 from nominatim.errors import UsageError

+from nominatim.config import Configuration

 from nominatim.tokenizer.sanitizers.config import SanitizerConfig
 from nominatim.tokenizer.sanitizers.config import SanitizerConfig

-from nominatim.tokenizer.sanitizers.base import SanitizerHandler, ProcessInfo, PlaceName
+from nominatim.tokenizer.sanitizers.base import SanitizerHandler, ProcessInfo
+from nominatim.data.place_name import PlaceName

 from nominatim.data.place_info import PlaceInfo
 
 
 from nominatim.data.place_info import PlaceInfo
 
 


@@ -22,16 +23,21 @@ class PlaceSanitizer:
         names and address before they are used by the token analysers.
     """
 
         names and address before they are used by the token analysers.
     """
 

-    def __init__(self, rules: Optional[Sequence[Mapping[str, Any]]]) -> None:
+    def __init__(self, rules: Optional[Sequence[Mapping[str, Any]]],
+                 config: Configuration) -> None:

         self.handlers: List[Callable[[ProcessInfo], None]] = []
 
         if rules:
             for func in rules:
                 if 'step' not in func:
                     raise UsageError("Sanitizer rule is missing the 'step' attribute.")
         self.handlers: List[Callable[[ProcessInfo], None]] = []
 
         if rules:
             for func in rules:
                 if 'step' not in func:
                     raise UsageError("Sanitizer rule is missing the 'step' attribute.")

-                module_name = 'nominatim.tokenizer.sanitizers.' + func['step'].replace('-', '_')
-                handler_module: SanitizerHandler = importlib.import_module(module_name)
-                self.handlers.append(handler_module.create(SanitizerConfig(func)))
+                if not isinstance(func['step'], str):
+                    raise UsageError("'step' attribute must be a simple string.")
+
+                module: SanitizerHandler = \
+                    config.load_plugin_module(func['step'], 'nominatim.tokenizer.sanitizers')
+
+                self.handlers.append(module.create(SanitizerConfig(func)))

 
 
     def process_names(self, place: PlaceInfo) -> Tuple[List[PlaceName], List[PlaceName]]:
 
 
     def process_names(self, place: PlaceInfo) -> Tuple[List[PlaceName], List[PlaceName]]: