fix: li missing platform name

satpy/readers/fci_l1c_nc.py

@@ -182,6 +182,18 @@ def _get_channel_name_from_dsname(dsname):
 
     return channel_name
 
+# Platform names according to the MTG FCI L1 Product User Guide,
+# EUM/MTG/USR/13/719113 from 2019-06-27, pages 32 and 124, are MTI1, MTI2,
+# MTI3, and MTI4, but we want to use names such as described in WMO OSCAR
+# MTG-I1, MTG-I2, MTG-I3, and MTG-I4.
+#
+# Not sure how the numbering will be considering MTG-S1 and MTG-S2 will be launched
+# in-between.
+_platform_name_translate = {
+    "MTI1": "Meteosat-12",
+    "MTI2": "MTG-I2",
+    "MTI3": "MTG-I3",
+    "MTI4": "MTG-I4"}
 
 class FCIL1cNCFileHandler(NetCDF4FsspecFileHandler):
     """Class implementing the MTG FCI L1c Filehandler.
@@ -193,21 +205,6 @@ class using the :mod:`~satpy.Scene.load` method with the reader
     ``"fci_l1c_nc"``.
 
     """
-
-    # Platform names according to the MTG FCI L1 Product User Guide,
-    # EUM/MTG/USR/13/719113 from 2019-06-27, pages 32 and 124, are MTI1, MTI2,
-    # MTI3, and MTI4, but we want to use names such as described in WMO OSCAR
-    # MTG-I1, MTG-I2, MTG-I3, and MTG-I4.
-    #
-    # After launch: translate to METEOSAT-xx instead?  Not sure how the
-    # numbering will be considering MTG-S1 and MTG-S2 will be launched
-    # in-between.
-    _platform_name_translate = {
-        "MTI1": "MTG-I1",
-        "MTI2": "MTG-I2",
-        "MTI3": "MTG-I3",
-        "MTI4": "MTG-I4"}
-
     def __init__(self, filename, filename_info, filetype_info):
         """Initialize file handler."""
         super().__init__(filename, filename_info,
@@ -391,7 +388,7 @@ def _get_dataset_measurand(self, key, info=None):
         res.attrs.update(info)
         res.attrs.update(attrs)
 
-        res.attrs["platform_name"] = self._platform_name_translate.get(
+        res.attrs["platform_name"] = _platform_name_translate.get(
             self["attr/platform"], self["attr/platform"])
 
         # remove unpacking parameters for calibrated data

satpy/readers/li_base_nc.py

@@ -191,6 +191,7 @@
 import xarray as xr
 from pyproj import Proj
 
+from satpy.readers.fci_l1c_nc import _platform_name_translate
 from satpy.readers.netcdf_utils import NetCDF4FsspecFileHandler
 
 logger = logging.getLogger(__name__)
@@ -516,10 +517,13 @@ def register_dataset(self, var_name, oc_name=None):
 
         ds_name = var_name if oc_name is None else f"{var_name}_{oc_name}_sector"
 
+        platform = self.filename_info["mission_prefix"] + "I" + self.filename_info["spacecraft_id"]
+
         ds_info = {
             "name": ds_name,
             "variable_name": var_name,
             "sensor": "li",
+            "platform_name": _platform_name_translate[platform],
             "file_type": self.filetype_info["file_type"]
         }
 

satpy/tests/reader_tests/test_fci_l1c_nc.py

@@ -1027,7 +1027,7 @@ def test_platform_name(self, reader_configs, fh_param):
         """
         reader = _get_reader_with_filehandlers(fh_param["filenames"], reader_configs)
         res = reader.load(["vis_06"], pad_data=False)
-        assert res["vis_06"].attrs["platform_name"] == "MTG-I1"
+        assert res["vis_06"].attrs["platform_name"] == "Meteosat-12"
 
     @pytest.mark.parametrize(("fh_param", "compare_tuples"),
                              [(lazy_fixture("FakeFCIFileHandlerFDHSI_fixture"), (67, 10,