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overlay: wait for unset entries to be resettable before updating thgstatus

This way, a single pass through update_batch will be sufficient to have all
files and folders marked with the correct icon overlays.

Changeset 110b74bfa2a2

Parent 570ddfc1cb23

by David Golub

Changes to one file · Browse files at 110b74bfa2a2 Showing diff from parent 570ddfc1cb23 Diff from another changeset...

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 # Creates a task-bar icon. Run from Python.exe to see the  # messages printed. Takes an optional logfile as first command  # line parameter    import sys    if hasattr(sys, "frozen"):   class BlackHole(object):   closed = True   softspace = 0   def write(self, data):   pass   def close(self):   pass   def flush(self):   pass   sys.stdout = BlackHole()   sys.stderr = BlackHole()    import os  import errno  import time  import threading  import cStringIO  import Queue  import traceback  import gc    try:   from win32api import *   from win32gui import *   import win32pipe   import win32con   import win32event   import win32file   import winerror   import pywintypes   import win32security  except ImportError, e:   print 'Fatal error at startup', e   sys.exit(1)    from mercurial import demandimport  demandimport.ignore.append('win32com.shell')  demandimport.enable()  from mercurial import ui, error  from mercurial.windows import posixfile, unlink, rename  from tortoisehg.util.i18n import agettext as _  from tortoisehg.util import thread2, paths, shlib, version    APP_TITLE = _('TortoiseHg Overlay Icon Server')    EXIT_CMD = 1025    class Logger():   def __init__(self):   self.file = None     def setfile(self, name):   oname = name + '.old'   try:   rename(name, oname)   except:   pass   self.file = posixfile(name, 'wb')   self.msg('%s, Version %s' % (APP_TITLE, version.version()))   self.msg('Logging to file started')     def msg(self, msg):   ts = '[%s] ' % time.strftime('%c')   f = self.file   if f:   f.write(ts + msg + '\n')   f.flush()   os.fsync(f.fileno())   print 'L' + ts + msg   else:   print ts + msg    logger = Logger()    def SetIcon(hwnd, name, add=False):   # Try and find a custom icon   if '--noicon' in sys.argv:   return   print "SetIcon(%s)" % name   hinst = GetModuleHandle(None)   from tortoisehg.util.paths import get_tortoise_icon   iconPathName = get_tortoise_icon(name)   if iconPathName and os.path.isfile(iconPathName):   icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE   hicon = LoadImage(hinst, iconPathName, win32con.IMAGE_ICON, 0, 0, icon_flags)   else:   print "Can't find a Python icon file - using default"   hicon = LoadIcon(0, win32con.IDI_APPLICATION)     flags = NIF_ICON | NIF_MESSAGE | NIF_TIP   nid = (hwnd, 0, flags, win32con.WM_USER+20, hicon, APP_TITLE)   action = NIM_MODIFY   if add:   action = NIM_ADD   try:   Shell_NotifyIcon(action, nid)   except pywintypes.error:   # This is common when windows is starting, and this code is hit   # before the taskbar has been created.   print "Failed to add the taskbar icon - is explorer running?"   # but keep running anyway - when explorer starts, we get the   # TaskbarCreated message.    class MainWindow:   def __init__(self):   self.pipethread = None   msg_TaskbarRestart = RegisterWindowMessage("TaskbarCreated");   message_map = {   msg_TaskbarRestart: self.OnRestart,   win32con.WM_DESTROY: self.OnDestroy,   win32con.WM_COMMAND: self.OnCommand,   win32con.WM_USER+20 : self.OnTaskbarNotify,   }   # Register the Window class.   wc = WNDCLASS()   hinst = wc.hInstance = GetModuleHandle(None)   wc.lpszClassName = "THgRpcServer"   wc.style = win32con.CS_VREDRAW | win32con.CS_HREDRAW;   wc.hCursor = LoadCursor( 0, win32con.IDC_ARROW )   wc.hbrBackground = win32con.COLOR_WINDOW   wc.lpfnWndProc = message_map # could also specify a wndproc.   classAtom = RegisterClass(wc)   # Create the Window.   style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU   self.hwnd = CreateWindow( classAtom, APP_TITLE, style, \   0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT, \   0, 0, hinst, None)   UpdateWindow(self.hwnd)   self._DoCreateIcons()     def _DoCreateIcons(self):   show, highlight = get_config()   if show:   SetIcon(self.hwnd, "hg.ico", add=True)   # start namepipe server for hg status   self.start_pipe_server()     def OnRestart(self, hwnd, msg, wparam, lparam):   logger.msg("MainWindow.OnRestart")   self._DoCreateIcons()     def OnDestroy(self, hwnd, msg, wparam, lparam):   logger.msg("MainWindow.OnDestroy")   nid = (self.hwnd, 0)   try:   Shell_NotifyIcon(NIM_DELETE, nid)   except pywintypes.error:   pass # happens when we run without icon   PostQuitMessage(0) # Terminate the app.     def OnTaskbarNotify(self, hwnd, msg, wparam, lparam):   if lparam==win32con.WM_RBUTTONUP or lparam==win32con.WM_LBUTTONUP:   menu = CreatePopupMenu()   # AppendMenu(menu, win32con.MF_SEPARATOR, 0, '')   AppendMenu(menu, win32con.MF_STRING, EXIT_CMD, _('Exit'))   pos = GetCursorPos()   # See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/menus_0hdi.asp   try:   SetForegroundWindow(self.hwnd)   TrackPopupMenu(menu, win32con.TPM_LEFTALIGN, pos[0], pos[1], 0, self.hwnd, None)   PostMessage(self.hwnd, win32con.WM_NULL, 0, 0)   except pywintypes.error:   pass   return 1     def OnCommand(self, hwnd, msg, wparam, lparam):   id = LOWORD(wparam)   if id == EXIT_CMD:   self.exit_application()   else:   print "Unknown command -", id     def exit_application(self):   logger.msg("MainWindow.exit_application")   if self.stop_pipe_server():   DestroyWindow(self.hwnd)   logger.msg("Goodbye")     def stop_pipe_server(self):   logger.msg("MainWindow.stop_pipe_server")   if not self.pipethread.isAlive():   logger.msg("pipethread is not alive")   return True     # Try the nice way first   self.svc.SvcStop()     max_try = 10   cnt = 1   while cnt <= max_try and self.pipethread.isAlive():   print "testing pipe [try %d] ..." % cnt   try:   try:   self.pipethread.terminate()   except ValueError:   pass   win32pipe.CallNamedPipe(PIPENAME, '', PIPEBUFSIZE, 0)   except:   logger.msg(traceback.format_exc())   pass   cnt += 1     if self.pipethread.isAlive():   msg = "WARNING: unable to stop server after %d trys." % max_try   logger.msg(msg)   return False   else:   return True     def start_pipe_server(self):   if self.pipethread is not None:   return     def servepipe():   self.svc = PipeServer(self.hwnd)   self.svc.SvcDoRun()     self.pipethread = thread2.Thread(target=servepipe)   self.pipethread.start()      PIPENAME = r"\\.\pipe\TortoiseHgRpcServer-bc0c27107423-"  PIPENAME += GetUserName()    PIPEBUFSIZE = 4096    def getrepos(batch):   roots = set()   notifypaths = set()   for path in batch:   r = paths.find_root(path)   if r is None:   try:   for n in os.listdir(path):   r = paths.find_root(os.path.join(path, n))   if (r is not None):   roots.add(r)   notifypaths.add(r)   except Exception, e:   # This exception raises in case of fixutf8 extension enabled   # and folder name contains '0x5c'(backslash).   logger.msg('Failed listdir %s (%s)' % (path, str(e)))   else:   roots.add(r);   notifypaths.add(path)   return roots, notifypaths    def update_batch(batch):   '''updates thgstatus for all paths in batch'''   roots, notifypaths = getrepos(batch)   if roots:   _ui = ui.ui();   failedroots = set()   errorstream = cStringIO.StringIO()   _stderr = sys.stderr   sys.stderr = errorstream   try: + # Ensure that all unset dirstate entries can be updated. + time.sleep(2)   updated_any = False   for r in sorted(roots):   try:   if shlib.update_thgstatus(_ui, r, wait=False):   updated_any = True   shlib.shell_notify([r], noassoc=True)   logger.msg('Updated ' + r)   except (IOError, OSError):   print "IOError or OSError on updating %s (check permissions)" % r   logger.msg('Failed updating %s (check permissions)' % r)   failedroots.add(r)   except (error.Abort, error.ConfigError, error.RepoError,   error.RevlogError, ImportError), e:   logger.msg('Failed updating %s (%s)' % (r, str(e)))   failedroots.add(r)   notifypaths -= failedroots   if notifypaths: - time.sleep(2)   shlib.shell_notify(list(notifypaths), noassoc=not updated_any)   logger.msg('Shell notified')   errmsg = errorstream.getvalue()   if errmsg:   logger.msg('stderr: %s' % errmsg)   finally:   sys.stderr = _stderr    requests = Queue.Queue(0)    def get_config():   show_taskbaricon = True   hgighlight_taskbaricon = True   version2cmenu = False   try:   from _winreg import HKEY_CURRENT_USER, OpenKey, QueryValueEx   hkey = OpenKey(HKEY_CURRENT_USER, r'Software\TortoiseHg')   t = ('1', 'True')   try: show_taskbaricon = QueryValueEx(hkey, 'ShowTaskbarIcon')[0] in t   except EnvironmentError: pass   try: hgighlight_taskbaricon = QueryValueEx(hkey, 'HighlightTaskbarIcon')[0] in t   except EnvironmentError: pass     # Upgrade user's context menu, once per major release   try: version2cmenu = QueryValueEx(hkey, 'ContextMenuVersion')[0] == '2'   except EnvironmentError: pass   try:   if not version2cmenu:   from _winreg import CreateKey, SetValueEx, REG_SZ   try: promoted = QueryValueEx(hkey, 'PromotedItems')[0]   except EnvironmentError: promoted = ''   plist = [i.strip() for i in promoted.split(',')]   hkey = CreateKey(HKEY_CURRENT_USER, r'Software\TortoiseHg')   if u'log' in plist:   idx = plist.index(u'log')   plist[idx] = u'workbench'   SetValueEx(hkey, 'PromotedItems', 0, REG_SZ, ','.join(plist))   SetValueEx(hkey, 'ContextMenuVersion', 0, REG_SZ, '2')   except EnvironmentError:   pass   except (ImportError, WindowsError):   pass   return (show_taskbaricon, hgighlight_taskbaricon)    def update(args, hwnd):   batch = []   r = args[0]   print "got update request %s (first in batch)" % r   batch.append(r)   print "wait a bit for additional requests..."   show, highlight = get_config()   if show and highlight:   SetIcon(hwnd, "hgB.ico")   time.sleep(0.2)   deferred_requests = []   try:   while True:   req = requests.get_nowait()   s = req.split('|')   cmd, args = s[0], s[1:]   if cmd == 'update':   print "got update request %s" % req   batch.append(args[0])   else:   deferred_requests.append(req)   except Queue.Empty:   pass   for req in deferred_requests:   requests.put(req)   msg = "processing batch with %i update requests"   print msg % len(batch)   update_batch(batch)   if show and highlight:   SetIcon(hwnd, "hg.ico")    def remove(args):   path = args[0]   logger.msg('Removing ' + path)   roots, notifypaths = getrepos([path])   if roots:   for r in sorted(roots):   tfn = os.path.join(r, '.hg', 'thgstatus')   try:   f = posixfile(tfn, 'rb')   e = f.readline()   f.close()   if not e.startswith('@@noicons'):   unlink(tfn)   except (IOError, OSError), e:   if e.errno != errno.ENOENT:   logger.msg("Error while trying to remove %s (%s)" % (tfn, e))   if notifypaths:   shlib.shell_notify(list(notifypaths))    def dispatch(req, cmd, args, hwnd):   print "dispatch(%s)" % req   if cmd == 'update':   update(args, hwnd)   elif cmd == 'remove':   remove(args)   elif cmd == 'error':   logger.msg("**** Error: %s" % args[0])   else:   logger.msg("**** Error: unknown request '%s'" % req)    class Updater(threading.Thread):   def __init__(self, hwnd):   threading.Thread.__init__(self)   self.hwnd = hwnd     def run(self):   while True:   req = requests.get()   s = req.split('|')   cmd, args = s[0], s[1:]   if cmd == 'terminate':   logger.msg('Updater thread terminating')   return   dispatch(req, cmd, args, self.hwnd)   gc.collect()    class PipeServer:   def __init__(self, hwnd):   self.hwnd = hwnd   self.updater = Updater(hwnd)   self.updater.start()     # Create an event which we will use to wait on.   # The "service stop" request will set this event.   self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)     # We need to use overlapped IO for this, so we dont block when   # waiting for a client to connect. This is the only effective way   # to handle either a client connection, or a service stop request.   self.overlapped = pywintypes.OVERLAPPED()     # And create an event to be used in the OVERLAPPED object.   self.overlapped.hEvent = win32event.CreateEvent(None,0,0,None)     def SvcStop(self):   logger.msg("PipeServer.SvcStop")   win32event.SetEvent(self.hWaitStop)   requests.put('terminate|')     def SvcDoRun(self):   logger.msg("PipeServer.SvcDoRun")   # We create our named pipe.   pipeName = PIPENAME   openMode = win32pipe.PIPE_ACCESS_DUPLEX | win32file.FILE_FLAG_OVERLAPPED   pipeMode = win32pipe.PIPE_TYPE_MESSAGE     # When running as a service, we must use special security for the pipe   sa = pywintypes.SECURITY_ATTRIBUTES()   # Say we do have a DACL, and it is empty   # (ie, allow full access!)   sa.SetSecurityDescriptorDacl ( 1, None, 0 )     pipeHandle = win32pipe.CreateNamedPipe(pipeName,   openMode,   pipeMode,   win32pipe.PIPE_UNLIMITED_INSTANCES,   0, 0, 6000, # default buffers, and 6 second timeout.   sa)     # Loop accepting and processing connections   while True:   try:   hr = win32pipe.ConnectNamedPipe(pipeHandle, self.overlapped)   except pywintypes.error, inst:   logger.msg("Error connecting pipe: %s" % inst)   pipeHandle.Close()   break     if hr==winerror.ERROR_PIPE_CONNECTED:   # Client is fast, and already connected - signal event   win32event.SetEvent(self.overlapped.hEvent)   # Wait for either a connection, or a service stop request.   timeout = win32event.INFINITE   waitHandles = self.hWaitStop, self.overlapped.hEvent   rc = win32event.WaitForMultipleObjects(waitHandles, 0, timeout)   if rc==win32event.WAIT_OBJECT_0:   # Stop event   return   else:   # read pipe and process request   try:   hr, data = win32file.ReadFile(pipeHandle, PIPEBUFSIZE)   if not data:   raise SystemExit # signal by dispatch terminate   win32pipe.DisconnectNamedPipe(pipeHandle)   except win32file.error:   # Client disconnected without sending data   # or before reading the response.   # Thats OK - just get the next connection   continue     try:   requests.put(data)   if data == 'terminate|':   logger.msg('PipeServer received terminate from pipe')   PostMessage(self.hwnd, win32con.WM_COMMAND, EXIT_CMD, 0)   break   except SystemExit:   raise SystemExit # interrupted by thread2.terminate()   except:   logger.msg("WARNING: something went wrong in requests.put")   logger.msg(traceback.format_exc())   status = "ERROR"   # Clean up when we exit   self.SvcStop()    RUNMUTEXNAME = 'thgtaskbar-' + GetUserName()    def ehook(etype, values, tracebackobj):   elist = traceback.format_exception(etype, values, tracebackobj)   logger.msg(''.join(elist))    def main():   args = sys.argv[1:]   sa = win32security.SECURITY_ATTRIBUTES()   sa.SetSecurityDescriptorDacl(1, None, 0) # allow full access   runmutex = win32event.CreateMutex(sa, 1, RUNMUTEXNAME)   if GetLastError() == winerror.ERROR_ALREADY_EXISTS:   print "another instance is already running"   return     logfilename = None   for arg in args:   if arg[0] == '-':   pass   else:   logfilename = arg   if logfilename:   logger.setfile(logfilename)   else:   try:   from win32com.shell import shell, shellcon   appdir = shell.SHGetSpecialFolderPath(0, shellcon.CSIDL_APPDATA)   except pywintypes.com_error:   appdir = os.environ['APPDATA']   logfilename = os.path.join(appdir, 'TortoiseHg', 'OverlayServerLog.txt')   try:   os.makedirs(os.path.dirname(logfilename))   except EnvironmentError:   pass   logger.setfile(logfilename)     sys.excepthook = ehook     w=MainWindow()   PumpMessages()    if __name__=='__main__':   main()