Rename type to class for FileModelItems

examples/example1_labels.json

@@ -1,6 +1,6 @@
 [
     {
-        "type": "image", 
+        "class": "image", 
         "annotations": [
             {
                 "height": 60.0, 
@@ -20,7 +20,7 @@
         "filename": "image1.jpg"
     }, 
     {
-        "type": "image", 
+        "class": "image", 
         "annotations": [
             {
                 "y": 155.0, 

sloth/annotations/container.py

@@ -227,7 +227,7 @@ class FileNameListContainer(AnnotationContainer):
             line = line.strip()
             fileitem = {
                 'filename':    line,
-                'type':        'image',
+                'class':        'image',
                 'annotations': [],
             }
             annotations.append(fileitem)
@@ -255,7 +255,7 @@ class FeretContainer(AnnotationContainer):
             s = line.split()
             fileitem = {
                 'filename': s[0] + ".bmp",
-                'type': 'image',
+                'class': 'image',
             }
             fileitem['annotations'] = [
                 {'class': 'left_eye',

sloth/annotations/model.py

@@ -240,7 +240,7 @@ class KeyValueModelItem(ModelItem, MutableMapping):
         return res
 
 class FileModelItem(KeyValueModelItem):
-    def __init__(self, fileinfo, hidden=['filename', 'type']):
+    def __init__(self, fileinfo, hidden=['filename', 'class']):
         KeyValueModelItem.__init__(self, hidden=hidden)
         self.update(fileinfo)
 
@@ -251,9 +251,9 @@ class FileModelItem(KeyValueModelItem):
 
     @staticmethod
     def create(fileinfo):
-        if fileinfo['type'] == 'image':
+        if fileinfo['class'] == 'image':
             return ImageFileModelItem(fileinfo)
-        elif fileinfo['type'] == 'video':
+        elif fileinfo['class'] == 'video':
             return VideoFileModelItem(fileinfo)
 
 class ImageModelItem(ModelItem):

sloth/core/labeltool.py

@@ -316,7 +316,7 @@ class LabelTool(QObject):
     def addImageFile(self, fname):
         fileitem = {
                 'filename': fname,
-                'type': 'image',
+                'class': 'image',
                 'annotations': [ ],
             }
         self._model._root.appendFileItem(fileitem)
@@ -324,7 +324,7 @@ class LabelTool(QObject):
     def addVideoFile(self, fname):
         fileitem = {
                 'filename': fname,
-                'type': 'video',
+                'class': 'video',
                 'frames': [ ],
             }