possible fix for upscaler & removal of lib

bin/probe.py

@@ -0,0 +1,56 @@
+import json
+import subprocess
+
+try:
+    from collections.abc import Iterable
+except ImportError:
+    from collections import Iterable
+
+def convert_kwargs_to_cmd_line_args(kwargs):
+    """Helper function to build command line arguments out of dict."""
+    args = []
+    for k in sorted(kwargs.keys()):
+        v = kwargs[k]
+        if isinstance(v, Iterable) and not isinstance(v, str):
+            for value in v:
+                args.append('-{}'.format(k))
+                if value is not None:
+                    args.append('{}'.format(value))
+            continue
+        args.append('-{}'.format(k))
+        if v is not None:
+            args.append('{}'.format(v))
+    return args
+
+class Error(Exception):
+    def __init__(self, cmd, stdout, stderr):
+        super(Error, self).__init__(
+            '{} error (see stderr output for detail)'.format(cmd)
+        )
+        self.stdout = stdout
+        self.stderr = stderr
+
+def probe(filename, cmd='ffprobe', timeout=None, **kwargs):
+    """Run ffprobe on the specified file and return a JSON representation of the output.
+
+    Raises:
+        :class:`ffmpeg.Error`: if ffprobe returns a non-zero exit code,
+            an :class:`Error` is returned with a generic error message.
+            The stderr output can be retrieved by accessing the
+            ``stderr`` property of the exception.
+    """
+    args = [cmd, '-show_format', '-show_streams', '-of', 'json']
+    args += convert_kwargs_to_cmd_line_args(kwargs)
+    args += [filename]
+
+    p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
+    communicate_kwargs = {}
+    if timeout is not None:
+        communicate_kwargs['timeout'] = timeout
+    out, err = p.communicate(**communicate_kwargs)
+    if p.returncode != 0:
+        raise Error('ffprobe', out, err)
+    return json.loads(out.decode('utf-8'))
+
+
+__all__ = ['probe']