move global plugins one folder up

pype/plugins/publish/validate_ffmpeg_installed.py

@@ -0,0 +1,34 @@
+import pyblish.api
+import os
+import subprocess
+import pype.lib
+try:
+    import os.errno as errno
+except ImportError:
+    import errno
+
+
+class ValidateFFmpegInstalled(pyblish.api.ContextPlugin):
+    """Validate availability of ffmpeg tool in PATH"""
+
+    order = pyblish.api.ValidatorOrder
+    label = 'Validate ffmpeg installation'
+    optional = True
+
+    def is_tool(self, name):
+        try:
+            devnull = open(os.devnull, "w")
+            subprocess.Popen(
+                [name], stdout=devnull, stderr=devnull
+            ).communicate()
+        except OSError as e:
+            if e.errno == errno.ENOENT:
+                return False
+        return True
+
+    def process(self, context):
+        ffmpeg_path = pype.lib.get_ffmpeg_tool_path("ffmpeg")
+        self.log.info("ffmpeg path: `{}`".format(ffmpeg_path))
+        if self.is_tool("{}".format(ffmpeg_path)) is False:
+            self.log.error("ffmpeg not found in PATH")
+            raise RuntimeError('ffmpeg not installed.')