Automatically remove empty fields to reduce table width where possible

youtube_dlc/YoutubeDL.py

@@ -2325,7 +2325,7 @@ class YoutubeDL(object):
                 for f in formats
                 if f.get('preference') is None or f['preference'] >= -1000]
             header_line = ['ID', 'EXT', 'RESOLUTION', 'FPS', '|', ' FILESIZE', '  TBR', 'PROTO',
-                           '|', 'VIDEO CODEC', '  VBR', 'AUDIO CODEC', ' ABR', ' ASR', 'NOTE']
+                           '|', 'VCODEC', '  VBR', 'ACODEC', ' ABR', ' ASR', 'NOTE']
         else:
             table = [
                 [
@@ -2340,8 +2340,12 @@ class YoutubeDL(object):
         if len(formats) > 1:
             table[-1][-1] += (' ' if table[-1][-1] else '') + '(best)'
         self.to_screen(
-            '[info] Available formats for %s:\n%s' %
+            '[info] Available formats for %s:\n%s' % (info_dict['id'], render_table(
-            (info_dict['id'], render_table(header_line, table, delim=new_format, extraGap=(0 if new_format else 1))))
+                header_line,
+                table, 
+                delim=new_format,
+                extraGap=(0 if new_format else 1),
+                hideEmpty=new_format)))
 
     def list_thumbnails(self, info_dict):
         thumbnails = info_dict.get('thumbnails')

youtube_dlc/utils.py

@@ -4311,10 +4311,21 @@ def determine_protocol(info_dict):
     return compat_urllib_parse_urlparse(url).scheme
 
 
-def render_table(header_row, data, delim=False, extraGap=0):
+def render_table(header_row, data, delim=False, extraGap=0, hideEmpty=False):
     """ Render a list of rows, each as a list of values """
+
+    def get_max_lens(table):
+        return [max(len(compat_str(v)) for v in col) for col in zip(*table)]
+    def filter_using_list(row, filterArray):
+        return [col for (take, col) in zip(filterArray, row) if take]
+
+    if hideEmpty:
+        max_lens = get_max_lens(data)
+        header_row = filter_using_list(header_row, max_lens)
+        data = [filter_using_list(row, max_lens) for row in data]
+    
     table = [header_row] + data
-    max_lens = [max(len(compat_str(v)) for v in col) for col in zip(*table)]
+    max_lens = get_max_lens(table)
     if delim:
         table = [header_row] + [['-' * ml for ml in max_lens]] + data
     format_str = ' '.join('%-' + compat_str(ml + extraGap) + 's' for ml in max_lens[:-1]) + ' %s'