# cmdserver.py
# Demo code that is not Pythonwin related, but too good to throw away...
import win32api
import sys
from pywin.framework import winout
import thread, sys
import traceback
class ThreadWriter:
"Assign an instance to sys.stdout for per-thread printing objects - Courtesy Guido!"
def __init__(self):
"Constructor -- initialize the table of writers"
self.writers = {}
self.origStdOut = None
def register(self, writer):
"Register the writer for the current thread"
self.writers[thread.get_ident()] = writer
if self.origStdOut is None:
self.origStdOut = sys.stdout
sys.stdout = self
def unregister(self):
"Remove the writer for the current thread, if any"
try:
del self.writers[thread.get_ident()]
except KeyError:
pass
if len(self.writers)==0:
sys.stdout = self.origStdOut
self.origStdOut = None
def getwriter(self):
"Return the current thread's writer, default sys.stdout"
try:
return self.writers[thread.get_ident()]
except KeyError:
return self.origStdOut
def write(self, str):
"Write to the current thread's writer, default sys.stdout"
self.getwriter().write(str)
def Test():
num=1
while num<1000:
print 'Hello there no ' + str(num)
win32api.Sleep(50)
num = num + 1
class flags:
SERVER_BEST = 0
SERVER_IMMEDIATE = 1
SERVER_THREAD = 2
SERVER_PROCESS = 3
def StartServer( cmd, title=None, bCloseOnEnd=0, serverFlags = flags.SERVER_BEST ):
out = winout.WindowOutput( title, None, winout.flags.WQ_IDLE )
if not title:
title=cmd
out.Create(title)
# ServerThread((out, cmd, title, bCloseOnEnd))
# out = sys.stdout
thread.start_new_thread( ServerThread, (out, cmd, title, bCloseOnEnd) )
def ServerThread(myout, cmd, title, bCloseOnEnd):
try:
writer.register(myout)
print 'Executing "%s"\n' % cmd
bOK = 1
try:
import __main__
exec (cmd+'\n', __main__.__dict__)
except:
bOK = 0
if bOK:
print "Command terminated without errors."
else:
t, v, tb = sys.exc_info()
print t, ': ', v
traceback.print_tb(tb)
tb = None # prevent a cycle
print "Command terminated with an unhandled exception"
writer.unregister()
if bOK and bCloseOnEnd:
myout.frame.DestroyWindow()
# Unhandled exception of any kind in a thread kills the gui!
except:
t, v, tb = sys.exc_info()
print t, ': ', v
traceback.print_tb(tb)
tb = None
print "Thread failed"
# assist for reloading (when debugging) - use only 1 tracer object,
# else a large chain of tracer objects will exist.
#try:
# writer
#except NameError:
# writer=ThreadWriter()
if __name__=='__main__':
import demoutils
demoutils.NotAScript()
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