From dc7c7a877e45f293f430de8c22f005b87168c8aa Mon Sep 17 00:00:00 2001
From: dece <shgck@pistache.land>
Date: Mon, 5 Dec 2022 11:04:06 +0100
Subject: [PATCH] cli: move entrypoint and add propre debug flag

---
 italianswirls/__main__.py |  8 --------
 italianswirls/cli.py      | 27 +++++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 8 deletions(-)
 delete mode 100644 italianswirls/__main__.py
 create mode 100644 italianswirls/cli.py

diff --git a/italianswirls/__main__.py b/italianswirls/__main__.py
deleted file mode 100644
index b36d648..0000000
--- a/italianswirls/__main__.py
+++ /dev/null
@@ -1,8 +0,0 @@
-from italianswirls.server import LS
-
-if __name__ == "__main__":
-    import logging
-    root_logger = logging.getLogger()
-    root_logger.setLevel(logging.DEBUG)
-    root_logger.addHandler(logging.FileHandler("/tmp/a.log"))
-    LS.start_io()
diff --git a/italianswirls/cli.py b/italianswirls/cli.py
new file mode 100644
index 0000000..3ed1714
--- /dev/null
+++ b/italianswirls/cli.py
@@ -0,0 +1,27 @@
+"""CLI to start the language server"""
+
+import argparse
+import logging
+
+from italianswirls.server import LS
+
+DESCRIPTION = "Italian Swirls, a minimal Python language server based on Jedi."
+DEFAULT_LOG_FILE = "/tmp/italianswirls.log"
+
+
+def main():
+    argparser = argparse.ArgumentParser(description=DESCRIPTION)
+    argparser.add_argument("-d", "--debug", nargs="?", const=DEFAULT_LOG_FILE,
+                           help=f"debug log (default: {DEFAULT_LOG_FILE})")
+    args = argparser.parse_args()
+
+    if debug_log_file := args.debug:
+        root_logger = logging.getLogger()
+        root_logger.setLevel(logging.DEBUG)
+        root_logger.addHandler(logging.FileHandler(debug_log_file))
+
+    LS.start_io()
+
+
+if __name__ == "__main__":
+    main()