fpaste: add file path shortcut (fpaste <file>)

fpaste

@@ -695,10 +695,51 @@ def cmd_cert(args, config):
     print(fingerprint)
 
 
+def is_file_path(arg):
+    """Check if argument looks like a file path."""
+    if not arg or arg.startswith("-"):
+        return False
+    # Check if it's an existing file
+    if Path(arg).exists():
+        return True
+    # Check if it looks like a path (contains / or \ or common extensions)
+    if "/" in arg or "\\" in arg:
+        return True
+    # Check for common file extensions
+    if "." in arg and not arg.startswith("."):
+        ext = arg.rsplit(".", 1)[-1].lower()
+        if ext in ("txt", "md", "py", "js", "json", "yaml", "yml", "xml", "html",
+                   "css", "sh", "bash", "c", "cpp", "h", "go", "rs", "java",
+                   "rb", "php", "sql", "log", "conf", "cfg", "ini", "png",
+                   "jpg", "jpeg", "gif", "pdf", "zip", "tar", "gz"):
+            return True
+    return False
+
+
 def main():
+    # Pre-process arguments: if first positional looks like a file, insert "create"
+    args_to_parse = sys.argv[1:]
+    commands = {"create", "c", "new", "get", "g", "delete", "d", "rm", "info", "i", "cert", "pki"}
+
+    # Find first non-option argument
+    i = 0
+    while i < len(args_to_parse):
+        arg = args_to_parse[i]
+        if arg in ("-s", "--server"):
+            i += 2  # Skip -s and its value
+            continue
+        if arg.startswith("-"):
+            i += 1
+            continue
+        # Found first positional - check if it's a command or a file
+        if arg not in commands and is_file_path(arg):
+            args_to_parse.insert(i, "create")
+        break
+
     parser = argparse.ArgumentParser(
         prog="fpaste",
         description="FlaskPaste command-line client",
+        epilog="Shortcut: fpaste <file> is equivalent to fpaste create <file>",
     )
     parser.add_argument(
         "-s",
@@ -780,7 +821,7 @@ def main():
         help="update config file with CA cert path (requires -o)",
     )
 
-    args = parser.parse_args()
+    args = parser.parse_args(args_to_parse)
     config = get_config()
 
     if args.server: