From 5ff29dc57e2877a14e705d09b7042cddf4165d0a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Touceda?= <chiiph@leap.se>
Date: Wed, 6 Mar 2013 15:27:23 -0300
Subject: Remove everything to start from scratch

---
 src/leap/util/coroutines.py | 109 --------------------------------------------
 1 file changed, 109 deletions(-)
 delete mode 100644 src/leap/util/coroutines.py

(limited to 'src/leap/util/coroutines.py')

diff --git a/src/leap/util/coroutines.py b/src/leap/util/coroutines.py
deleted file mode 100644
index 0657fc04..00000000
--- a/src/leap/util/coroutines.py
+++ /dev/null
@@ -1,109 +0,0 @@
-# the problem of watching a stdout pipe from
-# openvpn binary: using subprocess and coroutines
-# acting as event consumers
-
-from __future__ import division, print_function
-
-import logging
-from subprocess import PIPE, Popen
-import sys
-from threading import Thread
-
-logger = logging.getLogger(__name__)
-
-ON_POSIX = 'posix' in sys.builtin_module_names
-
-
-#
-# Coroutines goodies
-#
-
-def coroutine(func):
-    def start(*args, **kwargs):
-        cr = func(*args, **kwargs)
-        cr.next()
-        return cr
-    return start
-
-
-@coroutine
-def process_events(callback):
-    """
-    coroutine loop that receives
-    events sent and dispatch the callback.
-    :param callback: callback to be called\
-for each event
-    :type callback: callable
-    """
-    try:
-        while True:
-            m = (yield)
-            if callable(callback):
-                callback(m)
-            else:
-                logger.debug('not a callable passed')
-    except GeneratorExit:
-        return
-
-#
-# Threads
-#
-
-
-def launch_thread(target, args):
-    """
-    launch and demonize thread.
-    :param target: target function that will run in thread
-    :type target: function
-    :param args: args to be passed to thread
-    :type args: list
-    """
-    t = Thread(target=target,
-               args=args)
-    t.daemon = True
-    t.start()
-    return t
-
-
-def watch_output(out, observers):
-    """
-    initializes dict of observer coroutines
-    and pushes lines to each of them as they are received
-    from the watched output.
-    :param out: stdout of a process.
-    :type out: fd
-    :param observers: tuple of coroutines to send data\
-for each event
-    :type observers: tuple
-    """
-    observer_dict = dict(((observer, process_events(observer))
-                         for observer in observers))
-    for line in iter(out.readline, b''):
-        for obs in observer_dict:
-            observer_dict[obs].send(line)
-    out.close()
-
-
-def spawn_and_watch_process(command, args, observers=None):
-    """
-    spawns a subprocess with command, args, and launch
-    a watcher thread.
-    :param command: command to be executed in the subprocess
-    :type command: str
-    :param args: arguments
-    :type args: list
-    :param observers: tuple of observer functions to be called \
-for each line in the subprocess output.
-    :type observers: tuple
-    :return: a tuple containing the child process instance, and watcher_thread,
-    :rtype: (Subprocess, Thread)
-    """
-    subp = Popen([command] + args,
-                 stdout=PIPE,
-                 stderr=PIPE,
-                 bufsize=1,
-                 close_fds=ON_POSIX)
-    watcher = launch_thread(
-        watch_output,
-        (subp.stdout, observers))
-    return subp, watcher
-- 
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