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import feedparser # type: ignore
import time
from datetime import datetime, timezone
from typing import Any
from app.Item import Item, ItemEnclosure
from app.PluginInterface import Params, PluginInterface
from app.utils import ItemDict, get_config
def struct_time_to_utc_datetime(struct_time: time.struct_time) -> datetime:
timestamp = time.mktime(struct_time)
naive_datetime = datetime.fromtimestamp(timestamp)
aware_datetime = naive_datetime.replace(tzinfo=timezone.utc)
return aware_datetime
class Plugin(PluginInterface):
def __init__(self, id: str, params: Params) -> None:
super().__init__(id, params)
self.feed_url: str = get_config(params, "feed_url")
print(f"[FeedSourcePlugin#{self.id}] initialized")
def process(self, source_id: str | None, items: list[Item]) -> list[Item]:
print(f"[FeedSourcePlugin#{self.id}] process called")
if source_id is not None:
raise Exception(
f"FeedSourcePlugin#{self.id} can only be scheduled, trying to process items from source {source_id}"
)
feed: Any = feedparser.parse(self.feed_url) # type: ignore
result_items: list[Item] = []
if "bozo" in feed and feed["bozo"] == 1:
raise Exception(
f"[FeedSourcePlugin#{self.id}] malformed XML in feed {self.feed_url}"
)
for _d in feed.entries:
d: ItemDict = _d
item_enclosures: list[ItemEnclosure] = []
for _e in d["enclosures"]:
e: dict[str, str] = _e # type: ignore
item_enclosures.append(
ItemEnclosure(
length=e["length"],
type=e["type"],
url=e["href"],
)
)
datetime_1970: datetime = datetime.fromtimestamp(0)
published_time_struct: Any = d["published_parsed"]
published_datetime = (
struct_time_to_utc_datetime(published_time_struct)
if published_time_struct
else datetime_1970
)
result_items.append(
Item(
title=d.get("title", None), # type: ignore
link=d["link"], # type: ignore
description=d.get("description", None), # type: ignore
author=d.get("author", None), # type: ignore
pub_date=published_datetime,
category=d.get("category", None), # type: ignore
comments=d.get("comments"), # type: ignore
enclosures=item_enclosures,
guid=d["link"], # type: ignore
)
)
print(
f"[FeedSourcePlugin#{self.id}] process returns items, n={len(result_items)}"
)
return result_items
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