Added script-only bpy.ops.psa.import_all operator so that users can automate PSA imports

Previously this was not really possible because the PSA import operator
was interactive and required the sequence name list to be populated.
This new operator simply imports everything from the PSA.

io_scene_psk_psa/psa/import_/operators.py

@@ -212,6 +212,60 @@ def _import_psa(context,
     return result
 
 
+class PSA_OT_import_all(Operator, PsaImportMixin):
+    bl_idname = 'psa.import_all'
+    bl_label = 'Import PSA'
+    bl_description = 'Import all sequences from the selected PSA file'
+    bl_options = {'INTERNAL', 'UNDO'}
+
+    filepath: StringProperty(
+        name='File Path',
+        description='File path used for importing the PSA file',
+        maxlen=1024,
+        default='',
+        update=on_psa_file_path_updated)
+
+    @classmethod
+    def poll(cls, context):
+        return psa_import_poll(cls, context)
+
+    def execute(self, context):
+        sequence_names = []
+        with PsaReader(self.filepath) as psa_reader:
+            sequence_names.extend(psa_reader.sequences.keys())
+
+        options = PsaImportOptions(
+            action_name_prefix=self.action_name_prefix,
+            bone_mapping_mode=self.bone_mapping_mode,
+            fps_custom=self.fps_custom,
+            fps_source=self.fps_source,
+            sequence_names=sequence_names,
+            should_convert_to_samples=self.should_convert_to_samples,
+            should_overwrite=self.should_overwrite,
+            should_stash=self.should_stash,
+            should_use_config_file=self.should_use_config_file,
+            should_use_fake_user=self.should_use_fake_user,
+            should_write_keyframes=self.should_write_keyframes,
+            should_write_metadata=self.should_write_metadata,
+            translation_scale=self.translation_scale
+        )
+
+        result = _import_psa(context, options, self.filepath, context.view_layer.objects.active)
+
+        if len(result.warnings) > 0:
+            message = f'Imported {len(options.sequence_names)} action(s) with {len(result.warnings)} warning(s)\n'
+            self.report({'WARNING'}, message)
+            for warning in result.warnings:
+                self.report({'WARNING'}, warning)
+        else:
+            self.report({'INFO'}, f'Imported {len(options.sequence_names)} action(s)')
+
+        return {'FINISHED'}
+
+    def draw(self, context: Context):
+        draw_psa_import_options_no_panels(self.layout, self)
+
+
 class PSA_OT_import(Operator, ImportHelper, PsaImportMixin):
     bl_idname = 'psa.import'
     bl_label = 'Import'
@@ -389,6 +443,7 @@ classes = (
     PSA_OT_import_sequences_deselect_all,
     PSA_OT_import_sequences_select_from_text,
     PSA_OT_import,
+    PSA_OT_import_all,
     PSA_OT_import_drag_and_drop,
     PSA_FH_import,
 )

io_scene_psk_psa/psa/reader.py

@@ -34,6 +34,12 @@ class PsaReader(object):
         self.fp = open(path, 'rb')
         self.psa: Psa = self._read(self.fp)
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.fp.close()
+
     @property
     def bones(self):
         return self.psa.bones