From cd630834a985be4b39a673d022e180de3ff20517 Mon Sep 17 00:00:00 2001
From: Michaël Ball <michael.ball@gmail.com>
Date: Sat, 13 Dec 2014 16:41:35 +0000
Subject: Initial commit

---
 watcher.py | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 watcher.py

(limited to 'watcher.py')

diff --git a/watcher.py b/watcher.py
new file mode 100644
index 0000000..7dbd434
--- /dev/null
+++ b/watcher.py
@@ -0,0 +1,66 @@
+import atexit
+import configparser
+
+import pyinotify
+
+import library
+
+
+class EventHandler(pyinotify.ProcessEvent):
+    def process_IN_CREATE(self, event):
+        print("Creating:", event.pathname)
+        library.run(event.pathname)
+
+    def process_IN_DELETE(self, event):
+        print("Removing:", event.pathname)
+        library.delete_file(event.pathname)
+
+    def process_IN_MOVED_TO(self, event):
+        print("Moved to:", event.pathname)
+        library.update_track_filename(event.src_pathname, event.pathname)
+
+    def process_IN_MODIFY(self, event):
+        print("Modified:", event.pathname)
+        library.update_file(event.pathname)
+
+
+class LibraryWatcher:
+
+    def __init__(self, path):
+        print("Setting up library watcher")
+
+        if not hasattr(self, "path"):
+            setattr(self, "path", path)
+
+        if not hasattr(self, "wm"):
+            setattr(self, "wm", pyinotify.WatchManager())
+
+        mask = pyinotify.IN_DELETE | pyinotify.IN_CREATE | \
+            pyinotify.IN_MOVED_TO | pyinotify.IN_MOVED_FROM | \
+            pyinotify.IN_MODIFY
+
+        if not hasattr(self, "notifier"):
+            setattr(self,
+                    "notifier",
+                    pyinotify.ThreadedNotifier(self.wm, EventHandler()))
+
+        self.notifier.coalesce_events()
+        self.notifier.start()
+
+        if not hasattr(self, "wdd"):
+            setattr(self, "wdd", self.wm.add_watch(path, mask, rec=True,
+                                                   auto_add=True))
+
+        print("Set up watch on ", path)
+
+        atexit.register(self.stop)
+
+    def stop(self):
+        if self.wdd[self.path] > 0:
+            self.wm.rm_watch(self.wdd[self.path], rec=True)
+
+if __name__ == "__main__":
+    config = configparser.ConfigParser()
+    config.read("mach2.ini")
+
+    watch = LibraryWatcher(config["DEFAULT"]["media_dir"])
-- 
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