remove annoying warnings and unnecessary prints.

show a summary of some settings on startup when running __main__.py

lnbits/__main__.py

@@ -1,9 +1,21 @@
 from .app import create_app
 from .commands import migrate_databases, transpile_scss, bundle_vendored
+from .settings import LNBITS_SITE_TITLE, SERVICE_FEE, DEBUG, LNBITS_DATA_FOLDER, WALLET
 
 migrate_databases()
 transpile_scss()
 bundle_vendored()
 
 app = create_app()
+
+print(
+    f"""Starting LNbits with
+  - site title: {LNBITS_SITE_TITLE}
+  - debug: {DEBUG}
+  - data folder: {LNBITS_DATA_FOLDER}
+  - funding source: {WALLET.__class__.__name__}
+  - service fee: {SERVICE_FEE}
+"""
+)
+
 app.run(host=app.config["HOST"], port=app.config["PORT"])

lnbits/app.py

@@ -1,4 +1,3 @@
-import trio  # type: ignore
 import importlib
 
 from quart import g
@@ -112,9 +111,7 @@ def register_async_tasks(app):
     @app.before_serving
     async def listeners():
         run_deferred_async(app.nursery)
-
         app.nursery.start_soon(invoice_listener)
-        print("started global invoice_listener.")
 
     @app.after_serving
     async def stop_listeners():

lnbits/commands.py

@@ -1,11 +1,10 @@
+import warnings
 import click
 import importlib
 import re
 import os
 import sqlite3
 
-from scss.compiler import compile_string  # type: ignore
-
 from .core import migrations as core_migrations
 from .db import open_db, open_ext_db
 from .helpers import get_valid_extensions, get_css_vendored, get_js_vendored, url_for_vendored
@@ -24,9 +23,13 @@ def handle_assets():
 
 
 def transpile_scss():
-    with open(os.path.join(LNBITS_PATH, "static/scss/base.scss")) as scss:
-        with open(os.path.join(LNBITS_PATH, "static/css/base.css"), "w") as css:
-            css.write(compile_string(scss.read()))
+    with warnings.catch_warnings():
+        warnings.simplefilter("ignore")
+        from scss.compiler import compile_string  # type: ignore
+
+        with open(os.path.join(LNBITS_PATH, "static/scss/base.scss")) as scss:
+            with open(os.path.join(LNBITS_PATH, "static/css/base.css"), "w") as css:
+                css.write(compile_string(scss.read()))
 
 
 def bundle_vendored():

lnbits/tasks.py

@@ -67,7 +67,6 @@ def register_invoice_listener(send_chan: trio.MemorySendChannel):
     A method intended for extensions to call when they want to be notified about
     new invoice payments incoming.
     """
-    print(f"registering invoice_listener: {send_chan}")
     invoice_listeners.append(send_chan)