moonraker: report the api version

Start tracking the Remote API version separately from the application
version.  This allows the API to stick to semantic versioning while
and track the application version separately.  This is necessary as
we prepare to release a beta.

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>

moonraker/moonraker.py

@@ -41,6 +41,7 @@ from typing import (
     Coroutine,
     Dict,
     List,
+    Tuple,
     Union,
     TypeVar,
 )
@@ -50,6 +51,8 @@ if TYPE_CHECKING:
     FlexCallback = Callable[..., Optional[Coroutine]]
     _T = TypeVar("_T")
 
+API_VERSION = (1, 0, 0)
+
 CORE_COMPONENTS = [
     'dbus_manager', 'database', 'file_manager', 'klippy_apis',
     'machine', 'data_store', 'shell_command', 'proc_stats',
@@ -126,6 +129,9 @@ class Server:
     def get_event_loop(self) -> EventLoop:
         return self.event_loop
 
+    def get_api_version(self) -> Tuple[int, int, int]:
+        return API_VERSION
+
     def is_running(self) -> bool:
         return self.server_running
 
@@ -398,7 +404,9 @@ class Server:
             'warnings': self.warnings,
             'websocket_count': wsm.get_count(),
             'moonraker_version': self.app_args['software_version'],
-            'missing_klippy_requirements': mreqs
+            'missing_klippy_requirements': mreqs,
+            'api_version': API_VERSION,
+            'api_version_string': ".".join([str(v) for v in API_VERSION])
         }
 
     async def _handle_config_request(self,
@@ -420,6 +428,7 @@ def main(cmd_line_args: argparse.Namespace) -> None:
         app_args['log_file'] = os.path.normpath(
             os.path.expanduser(cmd_line_args.logfile))
     app_args['software_version'] = version
+    app_args['python_version'] = sys.version.replace("\n", " ")
     ql, file_logger, warning = utils.setup_logging(app_args)
     if warning is not None:
         app_args['log_warning'] = warning