implement the configuration

src/patchodon/__init__.py

@@ -9,6 +9,7 @@ import time
 
 from pathlib import Path
 import argparse
+import configparser
 import hashlib
 
 import html2text
@@ -36,6 +37,8 @@ def api_token(args):
         return args.debug_api_token
     if args.env_api_token:
         return os.environ["PATCHODON_API_TOKEN"]
+    if args.config_api_token:
+        return args.config_api_token
     raise ValueError("API token not specified")
 
 
@@ -434,7 +437,16 @@ def main():
     )
     args = ap.parse_args()
 
-    # TODO patch args from config (if found)
+    if os.path.exists(args.config):
+        cp = configparser.ConfigParser()
+        cp.read(args.config)
+        if "patchodon" in cp:
+            if "instance_url" in cp["patchodon"] and args.instance_url is None:
+                args.instance_url = cp["patchodon"]["instance_url"]
+            if "api_token" in cp["patchodon"]:
+                args.config_api_token = cp["patchodon"]["api_token"]
+    else:
+        trace(f"ignoring non-existent config: {args.config}")
 
     if args.command == "post":
         do_post(args)