initial commit

2011-11-22 23:30:42 -06:00
commit d421c1321b
580 changed files with 115527 additions and 0 deletions
@@ -0,0 +1,87 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+This file is part of the web2py Web Framework
+Developed by Massimo Di Pierro <mdipierro@cs.depaul.edu>,
+limodou <limodou@gmail.com> and srackham <srackham@gmail.com>.
+License: LGPLv3 (http://www.gnu.org/licenses/lgpl.html)
+
+"""
+
+import logging
+import pdb
+import Queue
+import sys
+
+logger = logging.getLogger("web2py")
+
+class Pipe(Queue.Queue):
+    def __init__(self, name, mode='r', *args, **kwargs):
+        self.__name = name
+        Queue.Queue.__init__(self, *args, **kwargs)
+
+    def write(self, data):
+        logger.debug("debug %s writting %s" % (self.__name, data))
+        self.put(data)
+
+    def flush(self):
+        # mark checkpoint (complete message)
+        logger.debug("debug %s flushing..." % self.__name)
+        self.put(None)
+        # wait until it is processed
+        self.join()
+        logger.debug("debug %s flush done" % self.__name)
+
+    def read(self, count=None, timeout=None):
+        logger.debug("debug %s reading..." % (self.__name, ))
+        data = self.get(block=True, timeout=timeout)
+        # signal that we are ready
+        self.task_done()
+        logger.debug("debug %s read %s" % (self.__name, data))
+        return data
+
+    def readline(self):
+        logger.debug("debug %s readline..." % (self.__name, ))
+        return self.read()
+
+
+pipe_in = Pipe('in')
+pipe_out = Pipe('out')
+
+debugger = pdb.Pdb(completekey=None, stdin=pipe_in, stdout=pipe_out,)
+
+def set_trace():
+    "breakpoint shortcut (like pdb)"
+    logger.info("DEBUG: set_trace!")
+    debugger.set_trace(sys._getframe().f_back)
+
+
+def stop_trace():
+    "stop waiting for the debugger (called atexit)"
+    # this should prevent communicate is wait forever a command result
+    # and the main thread has finished
+    logger.info("DEBUG: stop_trace!")
+    pipe_out.write("debug finished!")
+    pipe_out.write(None)
+    #pipe_out.flush()
+
+def communicate(command=None):
+    "send command to debbuger, wait result"
+    if command is not None:
+        logger.info("DEBUG: sending command %s" % command)
+        pipe_in.write(command)
+        #pipe_in.flush()
+    result = []
+    while True:
+        data = pipe_out.read()
+        if data is None:
+            break
+        result.append(data)
+    logger.info("DEBUG: result %s" % repr(result))
+    return ''.join(result)
+
+
+
+
+