support filters in json

danmaku2ass.py

@@ -512,7 +512,7 @@ def ConvertFlashRotation(rotY, rotZ, X, Y, width, height):
     return (trX, trY, WrapAngle(outX), WrapAngle(outY), WrapAngle(outZ), scaleXY * 100, scaleXY * 100)
 
 
-def ProcessComments(comments, f, width, height, bottomReserved, fontface, fontsize, alpha, duration_marquee, duration_still, filter_regex, reduced, progress_callback):
+def ProcessComments(comments, f, width, height, bottomReserved, fontface, fontsize, alpha, duration_marquee, duration_still, filters_regex, reduced, progress_callback):
     styleid = 'Danmaku2ASS_%04x' % random.randint(0, 0xffff)
     WriteASSHead(f, width, height, fontface, fontsize, alpha, styleid)
     rows = [[None] * (height - bottomReserved + 1) for i in range(4)]
@@ -520,7 +520,12 @@ def ProcessComments(comments, f, width, height, bottomReserved, fontface, fontsi
         if progress_callback and idx % 1000 == 0:
             progress_callback(idx, len(comments))
         if isinstance(i[4], int):
+            skip = False
+            for filter_regex in filters_regex:
                 if filter_regex and filter_regex.search(i[3]):
+                    skip = True
+                    break
+            if skip:
                 continue
             row = 0
             rowmax = height - bottomReserved - i[7]
@@ -726,12 +731,16 @@ def export(func):
 
 
 @export
-def Danmaku2ASS(input_files, input_format, output_file, stage_width, stage_height, reserve_blank=0, font_face=_('(FONT) sans-serif')[7:], font_size=25.0, text_opacity=1.0, duration_marquee=5.0, duration_still=5.0, comment_filter=None, is_reduce_comments=False, progress_callback=None):
+def Danmaku2ASS(input_files, input_format, output_file, stage_width, stage_height, reserve_blank=0, font_face=_('(FONT) sans-serif')[7:], font_size=25.0, text_opacity=1.0, duration_marquee=5.0, duration_still=5.0, comment_filter=None, comment_filters_json=None, is_reduce_comments=False, progress_callback=None):
+    comment_filters = [comment_filter]
+    if comment_filters_json:
+        with open(comment_filters_json, 'r') as f:
+            comment_filters.extend(json.load(f))
+    filters_regex = []
+    for comment_filter in comment_filters:
         try:
             if comment_filter:
-            filter_regex = re.compile(comment_filter)
+                filters_regex.append(re.compile(comment_filter))
-        else:
-            filter_regex = None
         except:
             raise ValueError(_('Invalid regular expression: %s') % comment_filter)
     fo = None
@@ -741,7 +750,7 @@ def Danmaku2ASS(input_files, input_format, output_file, stage_width, stage_heigh
             fo = ConvertToFile(output_file, 'w', encoding='utf-8-sig', errors='replace', newline='\r\n')
         else:
             fo = sys.stdout
-        ProcessComments(comments, fo, stage_width, stage_height, reserve_blank, font_face, font_size, text_opacity, duration_marquee, duration_still, filter_regex, is_reduce_comments, progress_callback)
+        ProcessComments(comments, fo, stage_width, stage_height, reserve_blank, font_face, font_size, text_opacity, duration_marquee, duration_still, filters_regex, is_reduce_comments, progress_callback)
     finally:
         if output_file and fo != output_file:
             fo.close()
@@ -800,6 +809,7 @@ def main():
     parser.add_argument('-dm', '--duration-marquee', metavar=_('SECONDS'), help=_('Duration of scrolling comment display [default: %s]') % 5, type=float, default=5.0)
     parser.add_argument('-ds', '--duration-still', metavar=_('SECONDS'), help=_('Duration of still comment display [default: %s]') % 5, type=float, default=5.0)
     parser.add_argument('-fl', '--filter', help=_('Regular expression to filter comments'))
+    parser.add_argument('-flf', '--filter-file', help=_('Regular expressions from json file to filter comments'))
     parser.add_argument('-p', '--protect', metavar=_('HEIGHT'), help=_('Reserve blank on the bottom of the stage'), type=int, default=0)
     parser.add_argument('-r', '--reduce', action='store_true', help=_('Reduce the amount of comments if stage is full'))
     parser.add_argument('file', metavar=_('FILE'), nargs='+', help=_('Comment file to be processed'))
@@ -810,7 +820,7 @@ def main():
         height = int(height)
     except ValueError:
         raise ValueError(_('Invalid stage size: %r') % args.size)
-    Danmaku2ASS(args.file, args.format, args.output, width, height, args.protect, args.font, args.fontsize, args.alpha, args.duration_marquee, args.duration_still, args.filter, args.reduce)
+    Danmaku2ASS(args.file, args.format, args.output, width, height, args.protect, args.font, args.fontsize, args.alpha, args.duration_marquee, args.duration_still, args.filter, args.filter_file, args.reduce)
 
 
 if __name__ == '__main__':