Reduce unnecessary output in default 'py list --online'. (#316)

Author: zooba

src/manage/list_command.py

@@ -331,8 +331,7 @@ def execute(cmd):
         ]:
             if source:
                 downloader = IndexDownloader(cmd, source, Index)
-                if cmd.fallback_source_only:
-                    downloader.quiet = True
+                downloader.quiet = True
                 try:
                     installs = _get_installs_from_index(
                         downloader,

src/manage/urlutils.py

@@ -796,11 +796,16 @@ def __next__(self):
                 verified = self.verify(url, data, parsed, show_settings=True)
 
             if verified is True:
-                LOGGER.info("!G!The signature for %s was successfully verified.!W!", s_url)
+                (LOGGER.verbose if self.quiet else LOGGER.info)(
+                    "!G!The signature for %s was successfully verified.!W!",
+                    s_url,
+                )
             elif verified is False:
                 LOGGER.warn("Signature verification failure ignored for %s", s_url)
             else:
-                LOGGER.info("No signature to verify for %s", s_url)
+                (LOGGER.verbose if self.quiet else LOGGER.info)(
+                    "No signature to verify for %s", s_url
+                )
 
             self._cache[url] = data