Current File : //proc/self/root/proc/self/root/opt/alt/python35/lib64/python3.5/site-packages/aiohttp/abc.py
import asyncio
from abc import ABC, abstractmethod
from collections.abc import Iterable, Sized
class AbstractRouter(ABC):
def __init__(self):
self._frozen = False
def post_init(self, app):
"""Post init stage.
Not an abstract method for sake of backward compatibility,
but if the router wants to be aware of the application
it can override this.
"""
@property
def frozen(self):
return self._frozen
def freeze(self):
"""Freeze router."""
self._frozen = True
@abstractmethod
async def resolve(self, request):
"""Return MATCH_INFO for given request"""
class AbstractMatchInfo(ABC):
@abstractmethod
async def handler(self, request):
"""Execute matched request handler"""
@abstractmethod
async def expect_handler(self, request):
"""Expect handler for 100-continue processing"""
@property # pragma: no branch
@abstractmethod
def http_exception(self):
"""HTTPException instance raised on router's resolving, or None"""
@abstractmethod # pragma: no branch
def get_info(self):
"""Return a dict with additional info useful for introspection"""
@property # pragma: no branch
@abstractmethod
def apps(self):
"""Stack of nested applications.
Top level application is left-most element.
"""
@abstractmethod
def add_app(self, app):
"""Add application to the nested apps stack."""
@abstractmethod
def freeze(self):
"""Freeze the match info.
The method is called after route resolution.
After the call .add_app() is forbidden.
"""
class AbstractView(ABC):
"""Abstract class based view."""
def __init__(self, request):
self._request = request
@property
def request(self):
"""Request instance."""
return self._request
@abstractmethod
def __await__(self):
"""Execute the view handler."""
class AbstractResolver(ABC):
"""Abstract DNS resolver."""
@abstractmethod
async def resolve(self, hostname):
"""Return IP address for given hostname"""
@abstractmethod
async def close(self):
"""Release resolver"""
class AbstractCookieJar(Sized, Iterable):
"""Abstract Cookie Jar."""
def __init__(self, *, loop=None):
self._loop = loop or asyncio.get_event_loop()
@abstractmethod
def clear(self):
"""Clear all cookies."""
@abstractmethod
def update_cookies(self, cookies, response_url=None):
"""Update cookies."""
@abstractmethod
def filter_cookies(self, request_url):
"""Return the jar's cookies filtered by their attributes."""
class AbstractStreamWriter(ABC):
"""Abstract stream writer."""
@abstractmethod
async def write(self, chunk):
"""Write chunk into stream."""
@abstractmethod
async def write_eof(self, chunk=b''):
"""Write last chunk."""
@abstractmethod
async def drain(self):
"""Flush the write buffer."""
class AbstractAccessLogger(ABC):
"""Abstract writer to access log."""
def __init__(self, logger, log_format):
self.logger = logger
self.log_format = log_format
@abstractmethod
def log(self, request, response, time):
"""Emit log to logger."""
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