Parse background and video events

slider/beatmap.py

@@ -1755,6 +1755,8 @@ def __init__(self,
                  approach_rate,
                  slider_multiplier,
                  slider_tick_rate,
+                 background,
+                 video,
                  timing_points,
                  hit_objects):
         self.format_version = format_version
@@ -1788,6 +1790,8 @@ def __init__(self,
         self.approach_rate = approach_rate
         self.slider_multiplier = slider_multiplier
         self.slider_tick_rate = slider_tick_rate
+        self.background = background
+        self.video = video
         self.timing_points = timing_points
         self._hit_objects = hit_objects
         # cache hit object stacking at different ar and cs values
@@ -2571,6 +2575,15 @@ def parse(cls, data):
             default=1.0,  # taken from wiki
         )
 
+        background = None
+        video = None
+        if 'Events' in groups:
+            for line in groups['Events']:
+                if line.startswith('0'):
+                    background = line.split('\"')[1]
+                elif line.startswith('Video') or line.startswith('1'):
+                    video = line.split('\"')[1]
+
         return cls(
             format_version=format_version,
             audio_filename=_get_as_str(groups, 'General', 'AudioFilename'),
@@ -2660,6 +2673,8 @@ def parse(cls, data):
             ),
             slider_multiplier=slider_multiplier,
             slider_tick_rate=slider_tick_rate,
+            background=background,
+            video=video,
             timing_points=timing_points,
             hit_objects=list(map(
                 partial(
@@ -2794,8 +2809,12 @@ def pack_field(
 
         # pack Events section
         packed_str += '[Events]\n'
-        packed_str += '// Background and Video events\n' \
-                      '// Break Periods\n' \
+        packed_str += '// Background and Video events\n'
+        if self.background is not None:
+            packed_str += f'0,0,"{self.background}",0,0\n'
+        if self.video is not None:
+            packed_str += f'Video,0,"{self.video}"\n'
+        packed_str += '// Break Periods\n' \
                       '// Storyboard Layer 0(Background)\n' \
                       '// Storyboard Layer 1(Fail)\n' \
                       '// Storyboard Layer 2(Pass)\n' \

slider/tests/test_beatmap.py

@@ -286,6 +286,14 @@ def test_od(beatmap):
     assert beatmap.od() == 9
 
 
+def test_background(beatmap):
+    assert beatmap.background == "miiro_no_scenario.png"
+
+
+def test_video(beatmap):
+    assert beatmap.video is None
+
+
 def test_pack(beatmap):
     # Pack the beatmap and parse it again to see if there is difference.
     packed_str = beatmap.pack()
@@ -308,6 +316,8 @@ def test_pack(beatmap):
         # Difficulty section fields
         'hp_drain_rate', 'circle_size', 'overall_difficulty', 'approach_rate',
         'slider_multiplier', 'slider_tick_rate',
+        # Event section fields
+        'background', 'video',
     ]
     hitobj_attrs = [
         'position', 'time', 'new_combo', 'combo_skip', 'hitsound', 'addition'