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shlib: do not crash when icon cannot be found

Changeset 4ad51f3cf479…

Parent fda9e904f137…

by Steve Borho

Changes to one file · Browse files at 4ad51f3cf479 Showing diff from parent fda9e904f137 Diff from another changeset...

Change 1 of 1 Show Changes Only hggtk/​shlib.py Stacked
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 """  shlib.py - TortoiseHg shell utilities   Copyright (C) 2007 TK Soh <teekaysoh@gmail.com>    This software may be used and distributed according to the terms  of the GNU General Public License, incorporated herein by reference.    """    import dumbdbm, anydbm  saved_default = anydbm._defaultmod  anydbm._defaultmod = dumbdbm    import os  import gtk  import shelve  import time    class SimpleMRUList(object):   def __init__(self, size=10, reflist=[], compact=True):   self._size = size   self._list = reflist   if compact:   self.compact()     def __iter__(self):   for elem in self._list:   yield elem     def add(self, val):   if val in self._list:   self._list.remove(val)   self._list.insert(0, val)   self.flush()     def get_size(self):   return self._size     def set_size(self, size):   self._size = size   self.flush()     def flush(self):   while len(self._list) > self._size:   del self._list[-1]     def compact(self):   ''' remove duplicate in list '''   newlist = []   for v in self._list:   if v not in newlist:   newlist.append(v)   self._list[:] = newlist      class Settings(object):   version = 1.0     def __init__(self, appname, path=None):   self._appname = appname   self._data = {}   self._path = path and path or self._get_path(appname)   self._audit()   self.read()     def get_value(self, key, default=None, create=False):   if key in self._data:   return self._data[key]   elif create:   self._data[key] = default   return default     def set_value(self, key, value):   self._data[key] = value     def mrul(self, key, size=10):   ''' wrapper method to create a most-recently-used (MRU) list '''   ls = self.get_value(key, [], True)   ml = SimpleMRUList(size=size, reflist=ls)   return ml     def get_keys(self):   return self._data.keys()     def get_appname(self):   return self._appname     def read(self):   self._data.clear()   if os.path.exists(self._path):   # One-time import of <=0.7 config file   anydbm._defaultmod = saved_default   dbase = shelve.open(self._path)   self._dbappname = dbase['APPNAME']   self.version = dbase['VERSION']   self._data.update(dbase.get('DATA', {}))   dbase.close()   anydbm._defaultmod = dumbdbm   os.unlink(self._path)   return   if not os.path.exists(self._path+'.dat'):   return     dbase = shelve.open(self._path)   self._dbappname = dbase['APPNAME']   self.version = dbase['VERSION']   self._data.update(dbase.get('DATA', {}))   dbase.close()     def write(self):   self._write(self._path, self._data)     def _write(self, appname, data):   dbase = shelve.open(self._get_path(appname))   dbase['VERSION'] = Settings.version   dbase['APPNAME'] = appname   dbase['DATA'] = data   dbase.close()     def _get_path(self, appname):   if os.name == 'nt':   return os.path.join(os.environ.get('APPDATA'), 'TortoiseHg', appname)   else:   return os.path.join(os.path.expanduser('~'), '.tortoisehg',   'settings', appname)     def _audit(self):   if os.path.exists(os.path.dirname(self._path)):   return   try:   os.makedirs(os.path.dirname(self._path))   self._import()   except:   pass     def _import(self):   # import old settings data dir (TortoiseHg <= 0.7)   home = os.path.expanduser('~')   if os.name == 'nt':   olddir = os.path.join(home, '.tortoisehg', 'settings')   newdir = os.path.join(os.environ.get('APPDATA'), 'TortoiseHg')   if os.path.isdir(olddir):   for f in os.listdir(olddir):   src = os.path.join(olddir, f)   dst = os.path.join(newdir, f)   os.rename(src, dst)   os.removedirs(olddir)     # import old settings data file (TortoiseHg <= 0.3)   oldpath = os.path.join(home, '.hgext', 'tortoisehg')   if os.path.isfile(oldpath):   olddb = shelve.open(oldpath)   for key in olddb.keys():   self._write(key, olddb[key])   olddb.close()   os.unlink(oldpath)   os.removedirs(os.path.dirname(oldpath))    def get_system_times():   t = os.times()   if t[4] == 0.0: # Windows leaves this as zero, so use time.clock()   t = (t[0], t[1], t[2], t[3], time.clock())   return t    def set_tortoise_icon(window, thgicon): - window.set_icon_from_file(get_tortoise_icon(thgicon)) + ico = get_tortoise_icon(thgicon) + if ico: window.set_icon_from_file(ico)   # Global keybindings for TortoiseHg   window.connect('key-press-event', window_key)    def window_key(window, event):   if event.keyval == ord('q') and (event.state & gtk.gdk.CONTROL_MASK):   devent = gtk.gdk.Event(gtk.gdk.DELETE)   window.emit('delete_event', devent)    def get_tortoise_icon(thgicon):   '''Find a tortoise icon, apply to PyGtk window'''   # The context menu should set this variable   var = os.environ.get('THG_ICON_PATH', None)   paths = var and [ var ] or []   try:   # Else try relative paths from hggtk, the repository layout   fdir = os.path.dirname(__file__)   paths.append(os.path.join(fdir, '..', 'icons'))   # ... or the unix installer layout   paths.append(os.path.join(fdir, '..', '..', '..',   'share', 'pixmaps', 'tortoisehg', 'icons'))   paths.append(os.path.join(fdir, '..', '..', '..', '..',   'share', 'pixmaps', 'tortoisehg', 'icons'))   except NameError: # __file__ is not always available   pass   for p in paths:   path = os.path.join(p, 'tortoise', thgicon)   if os.path.isfile(path):   return path   else:   print 'icon not found', thgicon   return None    def version():   try:   import __version__   return __version__.version   except ImportError:   return 'unknown'    if os.name == 'nt':   def shell_notify(paths):   try:   from win32com.shell import shell, shellcon   except ImportError:   return   for path in paths:   abspath = os.path.abspath(path)   pidl, ignore = shell.SHILCreateFromPath(abspath, 0)   if pidl is None:   continue   shell.SHChangeNotify(shellcon.SHCNE_UPDATEITEM,   shellcon.SHCNF_IDLIST | shellcon.SHCNF_FLUSH,   pidl,   None)  else:   def shell_notify(paths):   pass