cli: restore ability to run a file from the command line

src/sage/cli/__init__.py

@@ -9,6 +9,7 @@
 from sage.cli.notebook_cmd import JupyterNotebookCmd
 from sage.cli.options import CliOptions
 from sage.cli.version_cmd import VersionCmd
+from sage.cli.run_file_cmd import RunFileCmd
 
 
 def main() -> int:
@@ -41,6 +42,7 @@ def main() -> int:
     VersionCmd.extend_parser(parser)
     JupyterNotebookCmd.extend_parser(parser)
     EvalCmd.extend_parser(parser)
+    RunFileCmd.extend_parser(parser)
 
     if not input_args:
         return InteractiveShellCmd(CliOptions()).run()
@@ -50,7 +52,9 @@ def main() -> int:
 
     logging.basicConfig(level=logging.DEBUG if options.verbose else logging.INFO)
 
-    if args.command:
+    if args.file:
+        return RunFileCmd(options).run()
+    elif args.command:
         return EvalCmd(options).run()
     elif args.notebook:
         return JupyterNotebookCmd(options).run()

src/sage/cli/options.py

@@ -21,3 +21,6 @@ class CliOptions:
 
     """The command to execute."""
     command: str | None = None
+
+    """The file to execute."""
+    file: str | None = None

src/sage/cli/run_file_cmd.py

@@ -0,0 +1,50 @@
+import argparse
+
+from sage.cli.options import CliOptions
+from sage.repl.preparse import preparse_file_named
+from sage.repl.load import load_cython
+from sage.misc.temporary_file import tmp_filename
+from sage.all import sage_globals
+
+
+class RunFileCmd:
+    @staticmethod
+    def extend_parser(parser: argparse.ArgumentParser):
+        r"""
+        Extend the parser with the "run file" command.
+
+        INPUT:
+
+        - ``parsers`` -- the parsers to extend.
+
+        OUTPUT:
+
+        - the extended parser.
+        """
+        parser.add_argument(
+            "file",
+            nargs="?",
+            help="execute the given file as sage code",
+        )
+
+    def __init__(self, options: CliOptions):
+        r"""
+        Initialize the command.
+        """
+        self.options = options
+
+    def run(self) -> int:
+        r"""
+        Execute the given command.
+        """
+        input_file = preparse_file_named(self.options.file) if self.options.file.endswith('.sage') else self.options.file
+        try:
+            if self.options.file.endswith('.pyx') or self.options.file.endswith('.spyx'):
+                s = load_cython(input_file)
+                eval(compile(s, tmp_filename(), 'exec'), sage_globals())
+            else:
+                eval(compile(open(input_file, 'rb').read(), input_file, 'exec'), sage_globals())
+        except Exception as e:
+            print(f"An error occurred while executing the file: {e}")
+            return 1
+        return 0