aboutsummaryrefslogtreecommitdiffstats
path: root/app
diff options
context:
space:
mode:
authorJan Tuomi <jans.tuomi@gmail.com>2023-09-03 19:07:30 +0300
committerJan Tuomi <jans.tuomi@gmail.com>2023-09-10 19:01:00 +0300
commit7f2e5ee5bf59e5814d62990401714e01cd69ba07 (patch)
tree0f3f9fcba77ccf45d81f6090df0195c7f34e98d3 /app
parent7c90b13a7eaf520126a40180f932125240b46364 (diff)
Refactor plugins to own dir
Diffstat (limited to 'app')
-rw-r--r--app/ConcatPlugin.py50
-rw-r--r--app/FeedSinkPlugin.py86
-rw-r--r--app/FeedSourcePlugin.py58
-rw-r--r--app/FilterPlugin.py20
-rw-r--r--app/MapPlugin.py33
-rw-r--r--app/PluginManager.py2
6 files changed, 1 insertions, 248 deletions
diff --git a/app/ConcatPlugin.py b/app/ConcatPlugin.py
deleted file mode 100644
index 43d7db2..0000000
--- a/app/ConcatPlugin.py
+++ /dev/null
@@ -1,50 +0,0 @@
-from typing import Any
-import time
-
-from tinydb import Query
-from app.Item import Item
-from app.PluginInterface import Params, PluginInterface
-from app.DatabaseManager import database_manager
-from app.utils import ItemDict, dict_to_item, item_to_dict
-
-
-class Plugin(PluginInterface):
- def __init__(self, id: str, params: Params) -> None:
- super().__init__(id, params)
- print(f"[ConcatPlugin#{self.id}] initialized")
-
- def item_sort_key(self, item: Item) -> time.struct_time:
- if item.pub_date is None:
- return time.localtime()
-
- return item.pub_date
-
- def process(self, source_id: str | None, items: list[Item]) -> list[Item]:
- print(f"[ConcatPlugin#{self.id}] process called, n={len(items)}")
- if source_id is None:
- raise Exception(f"[ConcatPlugin#{self.id}] can not be scheduled")
-
- plugin_state_q = Query().plugin_id == self.id
- _d: Any = database_manager.plugin_states.get(plugin_state_q) # type: ignore
- data: dict[str, Any] = (
- _d if _d is not None else {"plugin_id": self.id, "state": {}}
- )
- state = data["state"]
-
- items_as_dicts = list(map(item_to_dict, items))
- state[source_id] = items_as_dicts
-
- database_manager.plugin_states.upsert( # type: ignore
- {"plugin_id": self.id, "state": state}, plugin_state_q
- )
-
- aggregated_item_dicts: list[ItemDict] = []
- for data_source_id in state:
- item_dicts = state[data_source_id]
- aggregated_item_dicts += item_dicts
-
- ret_items = list(map(dict_to_item, aggregated_item_dicts))
- ret = sorted(ret_items, key=self.item_sort_key)
-
- print(f"[ConcatPlugin#{self.id}] process returning items, n={len(ret)}")
- return ret
diff --git a/app/FeedSinkPlugin.py b/app/FeedSinkPlugin.py
deleted file mode 100644
index c0fc4c9..0000000
--- a/app/FeedSinkPlugin.py
+++ /dev/null
@@ -1,86 +0,0 @@
-import time
-from typing import Any
-import xml.etree.ElementTree as ET
-
-from tinydb import Query
-
-from app.Item import Item
-from app.PluginInterface import PluginInterface
-from app.utils import get_param
-from app.DatabaseManager import database_manager
-
-
-class Plugin(PluginInterface):
- def __init__(self, id: str, params: dict[str, Any]) -> None:
- super().__init__(id, params)
- self.feed_id: str = get_param("feed_id", params)
- self.feed_title: str = get_param("feed_title", params)
- self.feed_link: str | None = params.get("feed_link", None)
- self.feed_description: str = get_param("feed_description", params)
- print(f"[FeedSinkPlugin#{self.id}] initialized")
- print(f"[FeedSinkPlugin#{self.id}] feed will be served at path /{self.feed_id}")
-
- def build_xml(self, items: list[Item]):
- rss = ET.Element("rss", {"version": "2.0"})
- channel = ET.SubElement(rss, "channel")
- title = ET.SubElement(channel, "title")
- title.text = self.feed_title
- if self.feed_link is not None:
- link = ET.SubElement(channel, "link")
- link.text = self.feed_link
- description = ET.SubElement(channel, "description")
- description.text = self.feed_description
-
- for item in items:
- item_elem = ET.SubElement(channel, "item")
- if item.title is not None:
- item_title = ET.SubElement(item_elem, "title")
- item_title.text = item.title
- if item.link is not None:
- item_link = ET.SubElement(item_elem, "link")
- item_link.text = item.link
- if item.description is not None:
- item_description = ET.SubElement(item_elem, "description")
- item_description.text = item.description
- if item.category is not None:
- item_category = ET.SubElement(item_elem, "category")
- item_category.text = item.category
- if item.comments is not None:
- item_comments = ET.SubElement(item_elem, "comments")
- item_comments.text = item.comments
- if item.pub_date is not None:
- item_pub_date = ET.SubElement(item_elem, "pubDate")
- item_pub_date.text = time.strftime(
- "%a, %d %b %Y %H:%M:%S +0000", item.pub_date
- )
- if item.author is not None:
- item_author = ET.SubElement(item_elem, "author")
- item_author.text = item.author
-
- for enc in item.enclosures:
- ET.SubElement(
- item_elem,
- "enclosure",
- {
- "length": enc.length,
- "type": enc.type,
- "url": enc.url,
- },
- )
-
- return ET.tostring(rss, "unicode")
-
- def process(self, source_id: str | None, items: list[Item]) -> list[Item]:
- print(f"[FeedSinkPlugin#{self.id}] process called, n={len(items)}")
-
- if source_id is None:
- raise Exception(f"FeedSinkPlugin#{self.id} can not be scheduled")
- if database_manager.db is None:
- raise Exception("Database is not initialized")
-
- ret = self.build_xml(items)
-
- Q = Query()
- database_manager.feeds.upsert({"feed_id": self.feed_id, "feed_xml": ret}, Q.feed_id == self.feed_id) # type: ignore
- print(f"[FeedSinkPlugin#{self.id}] processed")
- return []
diff --git a/app/FeedSourcePlugin.py b/app/FeedSourcePlugin.py
deleted file mode 100644
index 575e5d6..0000000
--- a/app/FeedSourcePlugin.py
+++ /dev/null
@@ -1,58 +0,0 @@
-import feedparser # type: ignore
-from typing import Any
-from app.Item import Item, ItemEnclosure
-from app.PluginInterface import Params, PluginInterface
-from app.utils import ItemDict, get_param
-
-
-class Plugin(PluginInterface):
- def __init__(self, id: str, params: Params) -> None:
- super().__init__(id, params)
- self.feed_url: str = get_param("feed_url", params)
-
- 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 ItemSource {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"],
- )
- )
-
- result_items.append(
- Item(
- title=d.get("title", None), # type: ignore
- link=d.get("link", None), # type: ignore
- description=d.get("description", None), # type: ignore
- author=d.get("author", None), # type: ignore
- pub_date=d.get("published_parsed", None), # type: ignore
- category=d.get("category", None), # type: ignore
- comments=d.get("comments"), # type: ignore
- enclosures=item_enclosures,
- )
- )
-
- print(
- f"[FeedSourcePlugin#{self.id}] process returns items, n={len(result_items)}"
- )
- return result_items
diff --git a/app/FilterPlugin.py b/app/FilterPlugin.py
deleted file mode 100644
index 0f2b500..0000000
--- a/app/FilterPlugin.py
+++ /dev/null
@@ -1,20 +0,0 @@
-from app.Item import Item
-from app.PluginInterface import Params, PluginInterface
-from app.utils import get_param
-
-
-class Plugin(PluginInterface):
- def __init__(self, id: str, params: Params) -> None:
- super().__init__(id, params)
- self.filter_expr: str = get_param("filter_expr", params)
- print(f"[FilterPlugin#{self.id}] initialized")
-
- def process(self, source_id: str | None, items: list[Item]) -> list[Item]:
- print(f"[FilterPlugin#{self.id}] process called, n={len(items)}")
- if source_id is None:
- raise Exception(f"[FilterPlugin#{self.id}] can not be scheduled")
-
- expr = f"filter(lambda item: {self.filter_expr}, input_feed)"
- ret = list(eval(expr, {"input_feed": items}))
- print(f"[FilterPlugin#{self.id}] process returning items, n={len(ret)}")
- return ret
diff --git a/app/MapPlugin.py b/app/MapPlugin.py
deleted file mode 100644
index abc016b..0000000
--- a/app/MapPlugin.py
+++ /dev/null
@@ -1,33 +0,0 @@
-from dataclasses import fields
-from typing import Any
-from app.Item import Item
-from app.PluginInterface import Params, PluginInterface
-from app.utils import get_param
-
-
-def set_field(item: Item, k: str, v: Any):
- field_names = [f.name for f in fields(Item)]
- if k not in field_names:
- raise Exception(f"Invalid set_field key: {k}")
-
- setattr(item, k, v)
- return item
-
-
-class Plugin(PluginInterface):
- def __init__(self, id: str, params: Params) -> None:
- super().__init__(id, params)
- self.map_expr: str = get_param("map_expr", params)
- print(f"[MapItemPlugin#{self.id}] initialized")
-
- def process(self, source_id: str | None, items: list[Item]) -> list[Item]:
- print(f"[MapItemPlugin#{self.id}] process called, n={len(items)}")
- if source_id is None:
- raise Exception(f"[MapItemPlugin#{self.id}] can not be scheduled")
-
- expr = f"map(lambda item: {self.map_expr}, input_feed)"
- print("expr:")
- print(expr)
- ret = list(eval(expr, {"input_feed": items, "set_field": set_field}))
- print(f"[MapItemPlugin#{self.id}] process returning items, n={len(ret)}")
- return ret
diff --git a/app/PluginManager.py b/app/PluginManager.py
index f50196e..68149fd 100644
--- a/app/PluginManager.py
+++ b/app/PluginManager.py
@@ -17,7 +17,7 @@ class PluginManager:
self.config = config
def load_plugin(self, plugin_name: str) -> None:
- module: ModuleType = importlib.import_module(f"app.{plugin_name}")
+ module: ModuleType = importlib.import_module(f"plugins.{plugin_name}")
plugin_class = module.Plugin
self._plugins[plugin_name] = plugin_class