mirror of
https://github.com/samsonjs/vdirsyncer.git
synced 2026-03-25 08:55:50 +00:00
1a1f6f0788
Add asyncio to the storage backends and most of the codebase. A lot of it merely uses asyncio APIs, but still doesn't actually run several things concurrently internally. Further improvements will be added on top of these changes Thanks to Thomas Grainger (@graingert) for a few useful pointers related to asyncio.
95 lines
2.5 KiB
Python
95 lines
2.5 KiB
Python
import urllib.parse as urlparse
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import aiohttp
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from .. import exceptions
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from ..http import prepare_auth
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from ..http import prepare_client_cert
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from ..http import prepare_verify
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from ..http import request
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from ..http import USERAGENT
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from ..vobject import Item
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from ..vobject import split_collection
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from .base import Storage
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class HttpStorage(Storage):
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storage_name = "http"
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read_only = True
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_repr_attributes = ("username", "url")
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_items = None
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# Required for tests.
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_ignore_uids = True
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def __init__(
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self,
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url,
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username="",
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password="",
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verify=True,
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auth=None,
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useragent=USERAGENT,
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verify_fingerprint=None,
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auth_cert=None,
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*,
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connector,
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**kwargs
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):
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super().__init__(**kwargs)
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self._settings = {
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"auth": prepare_auth(auth, username, password),
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"cert": prepare_client_cert(auth_cert),
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"latin1_fallback": False,
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}
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self._settings.update(prepare_verify(verify, verify_fingerprint))
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self.username, self.password = username, password
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self.useragent = useragent
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assert connector is not None
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self.connector = connector
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collection = kwargs.get("collection")
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if collection is not None:
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url = urlparse.urljoin(url, collection)
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self.url = url
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self.parsed_url = urlparse.urlparse(self.url)
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def _default_headers(self):
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return {"User-Agent": self.useragent}
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async def list(self):
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async with aiohttp.ClientSession(
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connector=self.connector,
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connector_owner=False,
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# TODO use `raise_for_status=true`, though this needs traces first,
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) as session:
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r = await request(
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"GET",
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self.url,
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headers=self._default_headers(),
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session=session,
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**self._settings,
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)
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self._items = {}
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for item in split_collection((await r.read()).decode("utf-8")):
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item = Item(item)
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if self._ignore_uids:
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item = item.with_uid(item.hash)
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self._items[item.ident] = item, item.hash
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for href, (_, etag) in self._items.items():
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yield href, etag
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async def get(self, href):
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if self._items is None:
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async for _ in self.list():
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pass
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try:
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return self._items[href]
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except KeyError:
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raise exceptions.NotFoundError(href)
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