Handling ValueError exception when commands executed

This fix issue #7 (closed).

funkwhale_cli/cli.py

@@ -118,7 +118,12 @@ class lazy_credential():
     def value(self):
         if self._cached_value:
             return self._cached_value
-        v = keyring.get_password(*self.args)
+        try:
+            v = keyring.get_password(*self.args)
+        except ValueError as e:
+            raise click.ClickException("Error while retrieving password from keyring: {}. Your password may be incorrect.".format(e.args[0]))
+        except Exception as e:
+            raise click.ClickException("Error while retrieving password from keyring: {}".format(e.args[0]))
         self._cached_value = v
         return v
 
@@ -141,12 +146,7 @@ def set_server(ctx, url, token, use_auth=True):
     parsed = urllib.parse.urlparse(url)
     ctx.obj["SERVER_NETLOC"] = parsed.netloc
     ctx.obj["SERVER_PROTOCOL"] = parsed.scheme
-    try:
-        token = (token or lazy_credential(url, "_")) if use_auth else None
-    except ValueError as e:
-        raise click.ClickException("Error while retrieving password from keyring: {}. Your password may be incorrect.".format(e.args[0]))
-    except Exception as e:
-        raise click.ClickException("Error while retrieving password from keyring: {}".format(e.args[0]))
+    token = (token or lazy_credential(url, "_")) if use_auth else None
     ctx.obj["remote"] = api.get_api(
         domain=ctx.obj["SERVER_NETLOC"],
         protocol=ctx.obj["SERVER_PROTOCOL"],