nominatim/clicmd/transition.py

   1 """
   2 Implementation of the 'transition' subcommand.
   3
   4 This subcommand provides standins for functions that were available
   5 through the PHP scripts but are now no longer directly accessible.
   6 This module will be removed as soon as the transition phase is over.
   7 """
   8 import logging
   9 from pathlib import Path
  10
  11 from ..db.connection import connect
  12 from ..db import status
  13 from ..errors import UsageError
  14
  15 # Do not repeat documentation of subcommand classes.
  16 # pylint: disable=C0111
  17 # Using non-top-level imports to avoid eventually unused imports.
  18 # pylint: disable=E0012,C0415
  19
  20 LOG = logging.getLogger()
  21
  22 class AdminTransition:
  23     """\
  24     Internal functions for code transition. Do not use.
  25     """
  26
  27     @staticmethod
  28     def add_args(parser):
  29         group = parser.add_argument_group('Sub-functions')
  30         group.add_argument('--create-db', action='store_true',
  31                            help='Create nominatim db')
  32         group.add_argument('--setup-db', action='store_true',
  33                            help='Build a blank nominatim db')
  34         group.add_argument('--import-data', action='store_true',
  35                            help='Import a osm file')
  36         group.add_argument('--load-data', action='store_true',
  37                            help='Copy data to live tables from import table')
  38         group.add_argument('--create-tables', action='store_true',
  39                            help='Create main tables')
  40         group.add_argument('--create-partition-tables', action='store_true',
  41                            help='Create required partition tables')
  42         group.add_argument('--index', action='store_true',
  43                            help='Index the data')
  44         group.add_argument('--create-search-indices', action='store_true',
  45                            help='Create additional indices required for search and update')
  46         group = parser.add_argument_group('Options')
  47         group.add_argument('--no-partitions', action='store_true',
  48                            help='Do not partition search indices')
  49         group.add_argument('--osm-file', metavar='FILE',
  50                            help='File to import')
  51         group.add_argument('--drop', action='store_true',
  52                            help='Drop tables needed for updates, making the database readonly')
  53         group.add_argument('--osm2pgsql-cache', metavar='SIZE', type=int,
  54                            help='Size of cache to be used by osm2pgsql (in MB)')
  55         group.add_argument('--no-analyse', action='store_true',
  56                            help='Do not perform analyse operations during index')
  57         group.add_argument('--ignore-errors', action='store_true',
  58                            help="Ignore certain erros on import.")
  59         group.add_argument('--reverse-only', action='store_true',
  60                            help='Do not create search tables and indexes')
  61         group.add_argument('--tiger-data', metavar='FILE',
  62                            help='File to import')
  63
  64     @staticmethod
  65     def run(args):
  66         from ..tools import database_import, tiger_data
  67         from ..tools import refresh
  68
  69         if args.create_db:
  70             LOG.warning('Create DB')
  71             database_import.create_db(args.config.get_libpq_dsn())
  72
  73         if args.setup_db:
  74             LOG.warning('Setup DB')
  75
  76             with connect(args.config.get_libpq_dsn()) as conn:
  77                 database_import.setup_extensions(conn)
  78                 database_import.install_module(args.module_dir, args.project_dir,
  79                                                args.config.DATABASE_MODULE_PATH,
  80                                                conn=conn)
  81
  82             database_import.import_base_data(args.config.get_libpq_dsn(),
  83                                              args.data_dir, args.no_partitions)
  84
  85         if args.import_data:
  86             LOG.warning('Import data')
  87             if not args.osm_file:
  88                 raise UsageError('Missing required --osm-file argument')
  89             database_import.import_osm_data(Path(args.osm_file),
  90                                             args.osm2pgsql_options(0, 1),
  91                                             drop=args.drop,
  92                                             ignore_errors=args.ignore_errors)
  93
  94         if args.create_tables:
  95             LOG.warning('Create Tables')
  96             with connect(args.config.get_libpq_dsn()) as conn:
  97                 database_import.create_tables(conn, args.config, args.sqllib_dir, args.reverse_only)
  98                 refresh.load_address_levels_from_file(conn, Path(args.config.ADDRESS_LEVEL_CONFIG))
  99                 refresh.create_functions(conn, args.config, args.sqllib_dir,
 100                                          enable_diff_updates=False)
 101                 database_import.create_table_triggers(conn, args.config, args.sqllib_dir)
 102
 103         if args.create_partition_tables:
 104             LOG.warning('Create Partition Tables')
 105             with connect(args.config.get_libpq_dsn()) as conn:
 106                 database_import.create_partition_tables(conn, args.config, args.sqllib_dir)
 107
 108         if args.load_data:
 109             LOG.warning('Load data')
 110             with connect(args.config.get_libpq_dsn()) as conn:
 111                 database_import.truncate_data_tables(conn, args.config.MAX_WORD_FREQUENCY)
 112             database_import.load_data(args.config.get_libpq_dsn(),
 113                                       args.data_dir,
 114                                       args.threads or 1)
 115
 116             with connect(args.config.get_libpq_dsn()) as conn:
 117                 try:
 118                     status.set_status(conn, status.compute_database_date(conn))
 119                 except Exception as exc: # pylint: disable=broad-except
 120                     LOG.error('Cannot determine date of database: %s', exc)
 121
 122         if args.index:
 123             LOG.warning('Indexing')
 124             from ..indexer.indexer import Indexer
 125             indexer = Indexer(args.config.get_libpq_dsn(), args.threads or 1)
 126             indexer.index_full()
 127
 128         if args.create_search_indices:
 129             LOG.warning('Create Search indices')
 130             with connect(args.config.get_libpq_dsn()) as conn:
 131                 database_import.create_search_indices(conn, args.config, args.sqllib_dir, args.drop)
 132
 133         if args.tiger_data:
 134             LOG.warning('Tiger data')
 135             tiger_data.add_tiger_data(args.config.get_libpq_dsn(),
 136                                       args.tiger_data,
 137                                       args.threads or 1,
 138                                       args.config,
 139                                       args.sqllib_dir)