roezio: migrate poezio/args.py

Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>

1 files changed, 41 insertions, 0 deletions

diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 00000000..c1a0cb88
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,41 @@
+// Copyright (C) 2022 Maxime “pep” Buquet <pep@bouah.net>
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU Affero General Public License as published by the
+// Free Software Foundation, either version 3 of the License, or (at your
+// option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
+// for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+use std::error::Error as StdError;
+use std::fmt;
+use std::io;
+
+#[derive(Debug)]
+pub(crate) enum Error {
+    IOError(io::Error),
+    UnableToCreateConfigDir,
+}
+
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Error::IOError(e) => write!(f, "io error: {}", e),
+            Error::UnableToCreateConfigDir => write!(f, "Unable to create config dir"),
+        }
+    }
+}
+
+impl StdError for Error {}
+
+impl From<io::Error> for Error {
+    fn from(err: io::Error) -> Error {
+        Error::IOError(err)
+    }
+}