Verbose

manim/__main__.py

@@ -18,7 +18,7 @@
 
 
 def open_file_if_needed(file_writer):
-    if file_writer_config["quiet"]:
+    if file_writer_config["verbose"] != "DEBUG":
         curr_stdout = sys.stdout
         sys.stdout = open(os.devnull, "w")
 
@@ -59,7 +59,7 @@ def open_file_if_needed(file_writer):
                 sp.call(commands, stdout=FNULL, stderr=sp.STDOUT)
                 FNULL.close()
 
-    if file_writer_config["quiet"]:
+    if file_writer_config["verbose"] != "DEBUG":
         sys.stdout.close()
         sys.stdout = curr_stdout
 

manim/config.py

@@ -88,6 +88,7 @@ def _parse_config(config_parser, args):
 
 
 args, config_parser, file_writer_config, successfully_read_files = _run_config()
+logger.setLevel(file_writer_config["verbose"])
 if _from_command_line():
     logger.info(
         f"Read configuration files: {[os.path.abspath(cfgfile) for cfgfile in successfully_read_files]}"

manim/constants.py

@@ -152,3 +152,11 @@ class MyText(Text):
 )
 PALETTE = list(COLOR_MAP.values())
 locals().update(COLOR_MAP)
+VERBOSE_FFMPEG_MAP = {
+    "DEBUG": "error",
+    "INFO": "error",
+    "WARNING": "error",
+    "ERROR": "error",
+    "CRITICAL": "fatal",
+}
+VERBOSE_CHOICES = VERBOSE_FFMPEG_MAP.keys()

manim/default.cfg

@@ -36,8 +36,11 @@ preview = False
 # -f, --show_file_in_finder
 show_file_in_finder = False
 
-# -q, --quiet
-quiet = False
+# -v, --verbose
+verbose = INFO
+
+# --progress_bar
+progress_bar = True
 
 # --sound
 sound = False
@@ -155,9 +158,13 @@ logging_level_info = blue
 logging_level_warning = red
 logging_level_error = red bold
 logging_level_critical = red bold reverse
-log_level = 
+log_level =
 log_time = cyan dim
-log_message = 
+log_message =
 log_path = dim
 log_width = -1
-log_height = -1
+log_height = -1
+
+[ffmpeg]
+# Uncomment the following line to manually set the loglevel for ffmpeg. See ffmpeg manpage for accepted values
+# loglevel = error

manim/scene/scene.py

@@ -681,6 +681,7 @@ def get_time_progression(
             total=n_iterations,
             leave=file_writer_config["leave_progress_bars"],
             ascii=True if platform.system() == "Windows" else None,
+            disable=not file_writer_config["progress_bar"],
         )
         return time_progression
 

manim/scene/scene_file_writer.py

@@ -389,7 +389,7 @@ def open_movie_pipe(self):
             "-",  # The imput comes from a pipe
             "-an",  # Tells FFMPEG not to expect any audio
             "-loglevel",
-            "error",
+            file_writer_config["ffmpeg_loglevel"],
         ]
         # TODO, the test for a transparent background should not be based on
         # the file extension.
@@ -474,7 +474,7 @@ def combine_movie_files(self):
             "-i",
             file_list,
             "-loglevel",
-            "error",
+            file_writer_config["ffmpeg_loglevel"],
         ]
 
         if self.write_to_movie:
@@ -518,7 +518,7 @@ def combine_movie_files(self):
                 "-map",
                 "1:a:0",
                 "-loglevel",
-                "error",
+                file_writer_config["ffmpeg_loglevel"],
                 # "-shortest",
                 temp_file_path,
             ]

manim/utils/config_utils.py

@@ -52,7 +52,6 @@ def _parse_file_writer_config(config_parser, args):
     for boolean_opt in [
         "preview",
         "show_file_in_finder",
-        "quiet",
         "sound",
         "leave_progress_bars",
         "write_to_movie",
@@ -135,6 +134,24 @@ def _parse_file_writer_config(config_parser, args):
         [fw_config["save_last_frame"], fw_config["from_animation_number"]]
     )
 
+    # Parse the verbose flag to read in the log level
+    verbose = getattr(args, "verbose")
+    verbose = default["verbose"] if verbose is None else verbose
+    fw_config["verbose"] = verbose
+
+    # Parse the ffmpeg log level in the config
+    ffmpeg_loglevel = config_parser["ffmpeg"].get("loglevel", None)
+    fw_config["ffmpeg_loglevel"] = (
+        constants.VERBOSE_FFMPEG_MAP[verbose]
+        if ffmpeg_loglevel is None
+        else ffmpeg_loglevel
+    )
+
+    # Parse the progress_bar flag
+    progress_bar = getattr(args, "progress_bar")
+    if progress_bar is None:
+        progress_bar = default.getboolean("progress_bar")
+    fw_config["progress_bar"] = progress_bar
     return fw_config
 
 
@@ -205,9 +222,6 @@ def _parse_cli(arg_list, input=True):
         const=True,
         help="Show the output file in finder",
     )
-    parser.add_argument(
-        "-q", "--quiet", action="store_const", const=True, help="Quiet mode",
-    )
     parser.add_argument(
         "--sound",
         action="store_const",
@@ -363,6 +377,31 @@ def _parse_cli(arg_list, input=True):
     parser.add_argument(
         "--config_file", help="Specify the configuration file",
     )
+
+    # Specify the verbosity
+    parser.add_argument(
+        "-v",
+        "--verbose",
+        type=str,
+        help="Verbosity level. Also changes the ffmpeg log level unless the latter is specified in the config",
+        choices=constants.VERBOSE_CHOICES,
+    )
+
+    # Specify if the progress bar should be displayed
+    def _str2bool(s):
+        if s == "True":
+            return True
+        elif s == "False":
+            return False
+        else:
+            raise argparse.ArgumentTypeError("True or False expected")
+
+    parser.add_argument(
+        "--progress_bar",
+        type=_str2bool,
+        help="Display the progress bar",
+        metavar="True/False",
+    )
     parsed = parser.parse_args(arg_list)
     if hasattr(parsed, "subcommands"):
         setattr(