donations: migrate to uv shebang, remove poetry support

donations/README.md

@@ -1,16 +1,22 @@
+## Installation
+
+You need [uv](https://docs.astral.sh/uv/getting-started/installation/) to run this
+plugin like a binary. After `uv` is installed you can simply run
+
+```
+lightning-cli plugin start /path/to/donations.py
+```
+
+For general plugin installation instructions see the repos main
+[README.md](https://github.com/lightningd/plugins/blob/master/README.md#Installation)
+
 # Invoice Service (for Donations) plugin
 
 This plugin enables c-lightning nodes to start one or several small webserver
 via the command line on specified port. The webserver is based on flask and
 exposes the invoice API call.
 
-Therefor people can query for an invoice which they can use to pay. The plugin
-can be started with `lightningd` by adding the following `--plugin` option
-(adjusting the path to wherever the plugins are actually stored):
-
-```
-lightningd --plugin=/path/to/plugins/donations.py
-```
+Therefor people can query for an invoice which they can use to pay. 
 
 By default the plugin will automatically start a webserver serving the donations page on port `8088`.
 

donations/donations.py

@@ -1,4 +1,18 @@
-#!/usr/bin/env python3
+#!/usr/bin/env -S uv run --script
+
+# /// script
+# requires-python = ">=3.9.2"
+# dependencies = [
+#   "qrcode>=7.4.2",
+#   "flask>=2.3.3",
+#   "pyln-client>=24.11",
+#   "flask-bootstrap>=3.3.7.1",
+#   "flask-wtf>=1.2.1",
+#   "werkzeug>=3.0.6",
+#   "wtforms>=3.1.2",
+# ]
+# ///
+
 """A small donation service so that users can request ln invoices
 
 This plugin spins up a small flask server that provides a form to
@@ -113,7 +127,7 @@ def donation_form():
 
 
 def worker(port):
-    app = Flask(__name__)
+    app = Flask("donations")
     # FIXME: use hexlified hsm secret or something else
     app.config["SECRET_KEY"] = "you-will-never-guess-this"
     app.add_url_rule("/donation", "donation", donation_form, methods=["GET", "POST"])