Introduction of SPCsvLoader to load special phrases from a csv file

[nominatim.git] / nominatim / clicmd / special_phrases.py

diff --git a/nominatim/clicmd/special_phrases.py b/nominatim/clicmd/special_phrases.py
index 0de8b23957b5b0c0259d8734a6dcec9e1abdfe1a..ecd01c911abc3bfc1204f2d34a780c7f5c121866 100644 (file)
--- a/nominatim/clicmd/special_phrases.py
+++ b/nominatim/clicmd/special_phrases.py
@@ -2,11 +2,12 @@
     Implementation of the 'special-phrases' command.
 """
 import logging
-from nominatim.errors import UsageError
 from pathlib import Path
-from nominatim.tools import SPWikiLoader
-from nominatim.tools import SPImporter
+from nominatim.errors import UsageError
 from nominatim.db.connection import connect
+from nominatim.tools.special_phrases.sp_importer import SPImporter
+from nominatim.tools.special_phrases.sp_wiki_loader import SPWikiLoader
+from nominatim.tools.special_phrases.sp_csv_loader import SPCsvLoader
 
 LOG = logging.getLogger()
 
@@ -24,23 +25,33 @@ class ImportSpecialPhrases:
         group = parser.add_argument_group('Input arguments')
         group.add_argument('--import-from-wiki', action='store_true',
                            help='Import special phrases from the OSM wiki to the database.')
-        group.add_argument('--csv-file', metavar='FILE',
-                    help='CSV file containing phrases to import.')
+        group.add_argument('--import-from-csv', metavar='FILE',
+                           help='Import special phrases from a CSV file.')
 
     @staticmethod
     def run(args):
-        from ..tokenizer import factory as tokenizer_factory
-
         if args.import_from_wiki:
-            tokenizer = tokenizer_factory.get_tokenizer_for_db(args.config)
-            with connect(args.config.get_libpq_dsn()) as db_connection:
-                SPImporter(
-                    args.config, args.phplib_dir, db_connection, SPWikiLoader(args.config)
-                ).import_phrases(tokenizer)
-
-        if args.csv_file:
-            if not Path(args.csv_file).is_file():
-                LOG.fatal("CSV file '%s' does not exist.", args.csv_file)
+            ImportSpecialPhrases.start_import(args, SPWikiLoader(args.config))
+
+        if args.import_from_csv:
+            if not Path(args.import_from_csv).is_file():
+                LOG.fatal("CSV file '%s' does not exist.", args.import_from_csv)
                 raise UsageError('Cannot access file.')
 
+            ImportSpecialPhrases.start_import(args, SPCsvLoader(args.import_from_csv))
+
         return 0
+
+    @staticmethod
+    def start_import(args, loader):
+        """
+            Create the SPImporter object containing the right
+            SPLoader and then start the import of special phrases.
+        """
+        from ..tokenizer import factory as tokenizer_factory
+
+        tokenizer = tokenizer_factory.get_tokenizer_for_db(args.config)
+        with connect(args.config.get_libpq_dsn()) as db_connection:
+            SPImporter(
+                args.config, args.phplib_dir, db_connection, loader
+            ).import_phrases(tokenizer)