-class NominatimEnvironment(object):
- """ Collects all functions for the execution of Nominatim functions.
- """
-
- def __init__(self, config):
- self.build_dir = os.path.abspath(config['BUILDDIR'])
- self.template_db = config['TEMPLATE_DB']
- self.test_db = config['TEST_DB']
- self.api_test_db = config['API_TEST_DB']
- self.local_settings_file = config['TEST_SETTINGS_FILE']
- self.reuse_template = not config['REMOVE_TEMPLATE']
- self.keep_scenario_db = config['KEEP_TEST_DB']
- os.environ['NOMINATIM_SETTINGS'] = self.local_settings_file
-
- self.template_db_done = False
-
- def write_nominatim_config(self, dbname):
- f = open(self.local_settings_file, 'w')
- f.write("<?php\n @define('CONST_Database_DSN', 'pgsql://@/%s');\n" % dbname)
- f.write("@define('CONST_Osm2pgsql_Flatnode_File', null);\n")
- f.close()
-
- def cleanup(self):
- try:
- os.remove(self.local_settings_file)
- except OSError:
- pass # ignore missing file
-
- def db_drop_database(self, name):
- conn = psycopg2.connect(database='postgres')
- conn.set_isolation_level(0)
- cur = conn.cursor()
- cur.execute('DROP DATABASE IF EXISTS %s' % (name, ))
- conn.close()
-
- def setup_template_db(self):
- if self.template_db_done:
- return
-
- self.template_db_done = True
-
- if self.reuse_template:
- # check that the template is there
- conn = psycopg2.connect(database='postgres')
- cur = conn.cursor()
- cur.execute('select count(*) from pg_database where datname = %s',
- (self.template_db,))
- if cur.fetchone()[0] == 1:
- return
- conn.close()
- else:
- # just in case... make sure a previous table has been dropped
- self.db_drop_database(self.template_db)
-
- # call the first part of database setup
- self.write_nominatim_config(self.template_db)
- self.run_setup_script('create-db', 'setup-db')
- # remove external data to speed up indexing for tests
- conn = psycopg2.connect(database=self.template_db)
- cur = conn.cursor()
- cur.execute("""select tablename from pg_tables
- where tablename in ('gb_postcode', 'us_postcode')""")
- for t in cur:
- conn.cursor().execute('TRUNCATE TABLE %s' % (t[0],))
- conn.commit()
- conn.close()
-
- # execute osm2pgsql on an empty file to get the right tables
- osm2pgsql = os.path.join(self.build_dir, 'osm2pgsql', 'osm2pgsql')
- proc = subprocess.Popen([osm2pgsql, '-lsc', '-r', 'xml',
- '-O', 'gazetteer', '-d', self.template_db, '-'],
- cwd=self.build_dir, stdin=subprocess.PIPE,
- stdout=subprocess.PIPE, stderr=subprocess.PIPE)
- [outstr, errstr] = proc.communicate(input=b'<osm version="0.6"></osm>')
- logger.debug("running osm2pgsql for template: %s\n%s\n%s" % (osm2pgsql, outstr, errstr))
- self.run_setup_script('create-functions', 'create-tables',
- 'create-partition-tables', 'create-partition-functions',
- 'load-data', 'create-search-indices')
-
- def setup_api_db(self, context):
- self.write_nominatim_config(self.api_test_db)
-
- def setup_db(self, context):
- self.setup_template_db()
- self.write_nominatim_config(self.test_db)
- conn = psycopg2.connect(database=self.template_db)
- conn.set_isolation_level(0)
- cur = conn.cursor()
- cur.execute('DROP DATABASE IF EXISTS %s' % (self.test_db, ))
- cur.execute('CREATE DATABASE %s TEMPLATE = %s' % (self.test_db, self.template_db))
- conn.close()
- context.db = psycopg2.connect(database=self.test_db)
- if python_version[0] < 3:
- psycopg2.extras.register_hstore(context.db, globally=False, unicode=True)
- else:
- psycopg2.extras.register_hstore(context.db, globally=False)
-
- def teardown_db(self, context):
- if 'db' in context:
- context.db.close()
-
- if not self.keep_scenario_db:
- self.db_drop_database(self.test_db)
-
- def run_setup_script(self, *args, **kwargs):
- self.run_nominatim_script('setup', *args, **kwargs)
-
- def run_update_script(self, *args, **kwargs):
- self.run_nominatim_script('update', *args, **kwargs)
-
- def run_nominatim_script(self, script, *args, **kwargs):
- cmd = [os.path.join(self.build_dir, 'utils', '%s.php' % script)]
- cmd.extend(['--%s' % x for x in args])
- for k, v in kwargs.items():
- cmd.extend(('--' + k.replace('_', '-'), str(v)))
- proc = subprocess.Popen(cmd, cwd=self.build_dir,
- stdout=subprocess.PIPE, stderr=subprocess.PIPE)
- (outp, outerr) = proc.communicate()
- logger.debug("run_nominatim_script: %s\n%s\n%s" % (cmd, outp, outerr))
- assert (proc.returncode == 0), "Script '%s' failed:\n%s\n%s\n" % (script, outp, outerr)
-
-
-class OSMDataFactory(object):
-
- def __init__(self):
- scriptpath = os.path.dirname(os.path.abspath(__file__))
- self.scene_path = os.environ.get('SCENE_PATH',
- os.path.join(scriptpath, '..', 'scenes', 'data'))
- self.scene_cache = {}
- self.clear_grid()
-
- def parse_geometry(self, geom, scene):
- if geom.find(':') >= 0:
- return "ST_SetSRID(%s, 4326)" % self.get_scene_geometry(scene, geom)
-
- if geom.find(',') < 0:
- out = "POINT(%s)" % self.mk_wkt_point(geom)
- elif geom.find('(') < 0:
- line = ','.join([self.mk_wkt_point(x) for x in geom.split(',')])
- out = "LINESTRING(%s)" % line
- else:
- inner = geom.strip('() ')
- line = ','.join([self.mk_wkt_point(x) for x in inner.split(',')])
- out = "POLYGON((%s))" % line
-
- return "ST_SetSRID('%s'::geometry, 4326)" % out
-
- def mk_wkt_point(self, point):
- geom = point.strip()
- if geom.find(' ') >= 0:
- return geom
- else:
- pt = self.grid_node(int(geom))
- assert_is_not_none(pt, "Point not found in grid")
- return "%f %f" % pt
-
- def get_scene_geometry(self, default_scene, name):
- geoms = []
- for obj in name.split('+'):
- oname = obj.strip()
- if oname.startswith(':'):
- assert_is_not_none(default_scene, "You need to set a scene")
- defscene = self.load_scene(default_scene)
- wkt = defscene[oname[1:]]
- else:
- scene, obj = oname.split(':', 2)
- scene_geoms = self.load_scene(scene)
- wkt = scene_geoms[obj]
-
- geoms.append("'%s'::geometry" % wkt)
-
- if len(geoms) == 1:
- return geoms[0]
- else:
- return 'ST_LineMerge(ST_Collect(ARRAY[%s]))' % ','.join(geoms)
-
- def load_scene(self, name):
- if name in self.scene_cache:
- return self.scene_cache[name]
-
- scene = {}
- with open(os.path.join(self.scene_path, "%s.wkt" % name), 'r') as fd:
- for line in fd:
- if line.strip():
- obj, wkt = line.split('|', 2)
- scene[obj.strip()] = wkt.strip()
- self.scene_cache[name] = scene
-
- return scene
-
- def clear_grid(self):
- self.grid = {}
-
- def add_grid_node(self, nodeid, x, y):
- self.grid[nodeid] = (x, y)
-
- def grid_node(self, nodeid):
- return self.grid.get(nodeid)
-
-
projects / nominatim.git / blobdiff