Unused.

tailhelper.py

@@ -1,59 +0,0 @@
-class TailHelper:
-
-    MAX_BUFFSIZE = 1024 * 1024
-
-    def __init__(self, fname):
-        self.f = open(fname, 'r')
-
-    def tailf(self, size):
-        sz, lines = self.tail(size)
-        for line in lines:
-            sys.stdout.write(line)
-            sys.stdout.flush()
-        while 1:
-            newsz = self.fsize()
-            bytes_added = newsz - sz
-            if bytes_added < 0:
-                sz = 0
-                print "==> File truncated <=="
-                bytes_added = newsz
-            if bytes_added > 0:
-                self.f.seek(-bytes_added, 2)
-                bytes = self.f.read(bytes_added)
-                sys.stdout.write(bytes)
-                sys.stdout.flush()
-                sz = newsz
-            time.sleep(1)
-
-    def tail(self, max=10):
-        self.f.seek(0, 2)
-        pos = sz = self.f.tell()
-
-        lines = []
-        bytes = []
-        num_bytes = 0
-
-        while 1:
-            if pos == 0:
-                break
-            self.f.seek(pos)
-            byte = self.f.read(1)
-            if byte == '\n':
-                if len(lines) == max:
-                    break
-                bytes.reverse()
-                line = ''.join(bytes)
-                line and lines.append(line)
-                bytes = []
-            bytes.append(byte)
-            num_bytes = num_bytes + 1
-            if num_bytes > self.MAX_BUFFSIZE:
-                break
-            pos = pos - 1
-        lines.reverse()
-        return sz, lines
-
-    def fsize(self):
-        return os.fstat(self.f.fileno())[stat.ST_SIZE]
-
-