"""
Server implementation using the falcon webserver framework.
"""
-from typing import Optional, Mapping, cast, Any, List
+from typing import Optional, Mapping, Any, List
from pathlib import Path
import datetime as dt
import asyncio
from falcon.asgi import App, Request, Response
-from nominatim_core.config import Configuration
+from ...config import Configuration
from ...core import NominatimAPIAsync
from ... import v1 as api_impl
+from ...result_formatting import FormatDispatcher, load_format_dispatcher
from ... import logging as loglib
+from ..asgi_adaptor import ASGIAdaptor, EndpointFunc
+
class HTTPNominatimError(Exception):
""" A special exception class for errors raised during processing.
self.content_type = content_type
-async def nominatim_error_handler(req: Request, resp: Response, #pylint: disable=unused-argument
+async def nominatim_error_handler(req: Request, resp: Response,
exception: HTTPNominatimError,
_: Any) -> None:
""" Special error handler that passes message and content type as
resp.content_type = exception.content_type
-async def timeout_error_handler(req: Request, resp: Response, #pylint: disable=unused-argument
- exception: TimeoutError, #pylint: disable=unused-argument
+async def timeout_error_handler(req: Request, resp: Response,
+ exception: TimeoutError,
_: Any) -> None:
""" Special error handler that passes message and content type as
per exception info.
resp.content_type = 'text/plain; charset=utf-8'
-class ParamWrapper(api_impl.ASGIAdaptor):
+class ParamWrapper(ASGIAdaptor):
""" Adaptor class for server glue to Falcon framework.
"""
def __init__(self, req: Request, resp: Response,
- config: Configuration) -> None:
+ config: Configuration, formatter: FormatDispatcher) -> None:
self.request = req
self.response = resp
self._config = config
-
+ self._formatter = formatter
def get(self, name: str, default: Optional[str] = None) -> Optional[str]:
- return cast(Optional[str], self.request.get_param(name, default=default))
-
+ return self.request.get_param(name, default=default)
def get_header(self, name: str, default: Optional[str] = None) -> Optional[str]:
- return cast(Optional[str], self.request.get_header(name, default=default))
-
+ return self.request.get_header(name, default=default)
def error(self, msg: str, status: int = 400) -> HTTPNominatimError:
return HTTPNominatimError(msg, status, self.content_type)
-
def create_response(self, status: int, output: str, num_results: int) -> None:
self.response.context.num_results = num_results
self.response.status = status
self.response.text = output
self.response.content_type = self.content_type
-
def base_uri(self) -> str:
- return cast (str, self.request.forwarded_prefix)
+ return self.request.forwarded_prefix
def config(self) -> Configuration:
return self._config
+ def formatting(self) -> FormatDispatcher:
+ return self._formatter
+
class EndpointWrapper:
""" Converter for server glue endpoint functions to Falcon request handlers.
"""
- def __init__(self, name: str, func: api_impl.EndpointFunc, api: NominatimAPIAsync) -> None:
+ def __init__(self, name: str, func: EndpointFunc, api: NominatimAPIAsync,
+ formatter: FormatDispatcher) -> None:
self.name = name
self.func = func
self.api = api
-
+ self.formatter = formatter
async def on_get(self, req: Request, resp: Response) -> None:
""" Implementation of the endpoint.
"""
- await self.func(self.api, ParamWrapper(req, resp, self.api.config))
+ await self.func(self.api, ParamWrapper(req, resp, self.api.config,
+ self.formatter))
class FileLoggingMiddleware:
"""
def __init__(self, file_name: str):
- self.fd = open(file_name, 'a', buffering=1, encoding='utf8') # pylint: disable=R1732
-
+ self.fd = open(file_name, 'a', buffering=1, encoding='utf8')
async def process_request(self, req: Request, _: Response) -> None:
""" Callback before the request starts timing.
"""
req.context.start = dt.datetime.now(tz=dt.timezone.utc)
-
async def process_response(self, req: Request, resp: Response,
resource: Optional[EndpointWrapper],
req_succeeded: bool) -> None:
writes logs for successful requests for search, reverse and lookup.
"""
if not req_succeeded or resource is None or resp.status != 200\
- or resource.name not in ('reverse', 'search', 'lookup', 'details'):
+ or resource.name not in ('reverse', 'search', 'lookup', 'details'):
return
finish = dt.datetime.now(tz=dt.timezone.utc)
app.add_error_handler(HTTPNominatimError, nominatim_error_handler)
app.add_error_handler(TimeoutError, timeout_error_handler)
# different from TimeoutError in Python <= 3.10
- app.add_error_handler(asyncio.TimeoutError, timeout_error_handler)
+ app.add_error_handler(asyncio.TimeoutError, timeout_error_handler) # type: ignore[arg-type]
legacy_urls = api.config.get_bool('SERVE_LEGACY_URLS')
+ formatter = load_format_dispatcher('v1', project_dir)
for name, func in api_impl.ROUTES:
- endpoint = EndpointWrapper(name, func, api)
+ endpoint = EndpointWrapper(name, func, api, formatter)
app.add_route(f"/{name}", endpoint)
if legacy_urls:
app.add_route(f"/{name}.php", endpoint)
projects / nominatim.git / blobdiff