# HG changeset patch
# User Tero Marttila <terom@fixme.fi>
# Date 1357327599 -7200
# Node ID caed0ed82709d588a877f595e622f464bad4c283
# Parent  64885a7c6e85b60b49c58ceb996d982796af84b4
pvl.syslog.tail: re-implement seek=True

diff -r 64885a7c6e85 -r caed0ed82709 pvl/syslog/tail.py
--- a/pvl/syslog/tail.py	Fri Jan 04 21:15:42 2013 +0200
+++ b/pvl/syslog/tail.py	Fri Jan 04 21:26:39 2013 +0200
@@ -15,8 +15,11 @@
         Works with python file objects that buffer readlines() when using e.g. `tail -f ... | python -u ...`.
     """
 
-    def __init__ (self, file) :
+    def __init__ (self, file, skip=None) :
         self.file = file
+        
+        if skip :
+            self.skip()
 
     def readline (self) :
         """
@@ -65,9 +68,16 @@
         Follow a file on the filesystem, reading lines until EOF, and re-opening if replaced.
     """
 
-    def __init__ (self, path) :
+    def __init__ (self, path, **opts) :
+        log.debug("%s", path)
+
         self.path = path
-        self.reopen()
+        self._stat = self.stat()
+
+        file = self.open()
+        
+        # may call skip -> readlines -> changed() -> _stat
+        Tail.__init__(self, file, **opts)
     
     def stat (self) :
         """