control parser verbosity

py-packages/ffmpeg-parser/ffmpegparser/ffmpegparser.py

@@ -8,7 +8,7 @@ import parse
 from ansi import cursor
 from datetime import datetime
 
-__version__ = 1.1
+__version__ = 1.2
 
 
 class Chopper:
@@ -53,10 +53,19 @@ class Progress:
         self.input_size = "NA"
         self.outputs = []
         self.output = "NA"
+        self.verbosity = os.getenv("PARSER_VERBOSITY", "").upper()
+        try:
+
+            self.verbosity_level = ["NONE", "PROGRESS", "STATUS", "ALL"].index(
+                self.verbosity
+            )
+        except ValueError:
+            self.verbosity_level = 3
 
     def parse(self, line):
 
         if not self.parse_frame(line):
+            if self.verbosity_level == 3:
                 print(line.rstrip())
             self.parse_input(line)
             self.parse_output(line)
@@ -166,6 +175,8 @@ class Progress:
             self.framedata["projected_size"] = "NA"
 
         try:
+            msg = ""
+            if self.verbosity_level > 1:
                 msg = """{cl}==== Q to exit ===============
     {cl}Input: {input_file}
     {cl}Output: {output_file}
@@ -196,6 +207,14 @@ class Progress:
                     cl=cursor.erase_line(),
                 )
 
+            if self.verbosity_level == 1:
+                msg = "{cl}{progress_bar} {progress}%\r".format(
+                    progress_bar=self._progress_bar(self.framedata["percent_done"]),
+                    progress=self.framedata["percent_done"],
+                    up=cursor.up(1),
+                    cl=cursor.erase_line(),
+                )
+
             sys.stdout.write(msg)
             sys.stdout.flush()
         except Exception as e:
@@ -253,14 +272,23 @@ def ask_for_overwrite(commands, path):
     return commands
 
 
+def help_exit():
+    print(
+        """This command passes all arguments to FFMPEG, and parses output to
+readable format with progress. Change verbosity with env PARSER_VERBOSITY.
+Values are NONE,PROGRESS,STATUS,ALL."""
+    )
+    sys.exit(0)
+
+
 def main():
     commands = sys.argv[1:]
     if len(commands) == 1:
         if commands[0] == "-h":
-            print(
-                "This command passes all arguments to FFMPEG, and parses output to readable format with progress"
-            )
-            sys.exit(0)
+            help_exit()
+    if len(commands) == 0:
+        help_exit()
+
     try:
         has_overwrite = parse_overwrite(commands)
         if not has_overwrite: