Vagrant and CI tests for Ubuntu 22.04

[nominatim.git] / nominatim / config.py

diff --git a/nominatim/config.py b/nominatim/config.py
index f316280bb42bf1dfc71bb5b1e16704bbdfcafa5c..b3934b491fa9a36a690526d1b1c55be4b524804d 100644 (file)
--- a/nominatim/config.py
+++ b/nominatim/config.py
@@ -1,9 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2022 by the Nominatim developer community.
+# For a full list of authors see the git log.

 """
 Nominatim configuration accessor.
 """
 import logging
 import os
 from pathlib import Path
 """
 Nominatim configuration accessor.
 """
 import logging
 import os
 from pathlib import Path

+import json

 import yaml
 
 from dotenv import dotenv_values
 import yaml
 
 from dotenv import dotenv_values


@@ -11,7 +18,7 @@ from dotenv import dotenv_values
 from nominatim.errors import UsageError
 
 LOG = logging.getLogger()
 from nominatim.errors import UsageError
 
 LOG = logging.getLogger()

-
+CONFIG_CACHE = {}

 
 def flatten_config_list(content, section=''):
     """ Flatten YAML configuration lists that contain include sections
 
 def flatten_config_list(content, section=''):
     """ Flatten YAML configuration lists that contain include sections


@@ -55,12 +62,6 @@ class Configuration:
         if project_dir is not None and (project_dir / '.env').is_file():
             self._config.update(dotenv_values(str((project_dir / '.env').resolve())))
 
         if project_dir is not None and (project_dir / '.env').is_file():
             self._config.update(dotenv_values(str((project_dir / '.env').resolve())))
 

-        # Add defaults for variables that are left empty to set the default.
-        # They may still be overwritten by environment variables.
-        if not self._config['NOMINATIM_ADDRESS_LEVEL_CONFIG']:
-            self._config['NOMINATIM_ADDRESS_LEVEL_CONFIG'] = \
-                str(config_dir / 'address-levels.json')
-

         class _LibDirs:
             pass
 
         class _LibDirs:
             pass
 


@@ -85,19 +86,47 @@ class Configuration:
             Values of '1', 'yes' and 'true' are accepted as truthy values,
             everything else is interpreted as false.
         """
             Values of '1', 'yes' and 'true' are accepted as truthy values,
             everything else is interpreted as false.
         """

-        return self.__getattr__(name).lower() in ('1', 'yes', 'true')
+        return getattr(self, name).lower() in ('1', 'yes', 'true')

 
 
     def get_int(self, name):
         """ Return the given configuration parameter as an int.
         """
         try:
 
 
     def get_int(self, name):
         """ Return the given configuration parameter as an int.
         """
         try:

-            return int(self.__getattr__(name))
+            return int(getattr(self, name))

         except ValueError as exp:
             LOG.fatal("Invalid setting NOMINATIM_%s. Needs to be a number.", name)
             raise UsageError("Configuration error.") from exp
 
 
         except ValueError as exp:
             LOG.fatal("Invalid setting NOMINATIM_%s. Needs to be a number.", name)
             raise UsageError("Configuration error.") from exp
 
 

+    def get_str_list(self, name):
+        """ Return the given configuration parameter as a list of strings.
+            The values are assumed to be given as a comma-sparated list and
+            will be stripped before returning them. On empty values None
+            is returned.
+        """
+        raw = getattr(self, name)
+
+        return [v.strip() for v in raw.split(',')] if raw else None
+
+
+    def get_path(self, name):
+        """ Return the given configuration parameter as a Path.
+            If a relative path is configured, then the function converts this
+            into an absolute path with the project directory as root path.
+            If the configuration is unset, a falsy value is returned.
+        """
+        value = getattr(self, name)
+        if value:
+            value = Path(value)
+
+            if not value.is_absolute():
+                value = self.project_dir / value
+
+            value = value.resolve()
+
+        return value
+

     def get_libpq_dsn(self):
         """ Get configured database DSN converted into the key/value format
             understood by libpq and psycopg.
     def get_libpq_dsn(self):
         """ Get configured database DSN converted into the key/value format
             understood by libpq and psycopg.


@@ -123,12 +152,12 @@ class Configuration:
             name of the standard styles automatically into a file in the
             config style.
         """
             name of the standard styles automatically into a file in the
             config style.
         """

-        style = self.__getattr__('IMPORT_STYLE')
+        style = getattr(self, 'IMPORT_STYLE')

 
         if style in ('admin', 'street', 'address', 'full', 'extratags'):
 
         if style in ('admin', 'street', 'address', 'full', 'extratags'):

-            return self.config_dir / 'import-{}.style'.format(style)
+            return self.config_dir / f'import-{style}.style'

 
 

-        return Path(style)
+        return self.find_config_file('', 'IMPORT_STYLE')

 
 
     def get_os_env(self):
 
 
     def get_os_env(self):


@@ -161,21 +190,31 @@ class Configuration:
             is loaded using this function and added at the position in the
             configuration tree.
         """
             is loaded using this function and added at the position in the
             configuration tree.
         """

-        assert Path(filename).suffix == '.yaml'
+        configfile = self.find_config_file(filename, config)
+
+        if str(configfile) in CONFIG_CACHE:
+            return CONFIG_CACHE[str(configfile)]

 
 

-        configfile = self._find_config_file(filename, config)
+        if configfile.suffix in ('.yaml', '.yml'):
+            result = self._load_from_yaml(configfile)
+        elif configfile.suffix == '.json':
+            with configfile.open('r', encoding='utf-8') as cfg:
+                result = json.load(cfg)
+        else:
+            raise UsageError(f"Config file '{configfile}' has unknown format.")

 
 

-        return self._load_from_yaml(configfile)
+        CONFIG_CACHE[str(configfile)] = result
+        return result

 
 
 
 

-    def _find_config_file(self, filename, config=None):
+    def find_config_file(self, filename, config=None):

         """ Resolve the location of a configuration file given a filename and
             an optional configuration option with the file name.
             Raises a UsageError when the file cannot be found or is not
             a regular file.
         """
         if config is not None:
         """ Resolve the location of a configuration file given a filename and
             an optional configuration option with the file name.
             Raises a UsageError when the file cannot be found or is not
             a regular file.
         """
         if config is not None:

-            cfg_filename = self.__getattr__(config)
+            cfg_filename = getattr(self, config)

             if cfg_filename:
                 cfg_filename = Path(cfg_filename)
 
             if cfg_filename:
                 cfg_filename = Path(cfg_filename)
 


@@ -221,7 +260,7 @@ class Configuration:
         if Path(fname).is_absolute():
             configfile = Path(fname)
         else:
         if Path(fname).is_absolute():
             configfile = Path(fname)
         else:

-            configfile = self._find_config_file(loader.construct_scalar(node))
+            configfile = self.find_config_file(loader.construct_scalar(node))

 
         if configfile.suffix != '.yaml':
             LOG.fatal("Format error while reading '%s': only YAML format supported.",
 
         if configfile.suffix != '.yaml':
             LOG.fatal("Format error while reading '%s': only YAML format supported.",