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shlib: use set instead of list

Changeset 7740ffc8c32f…

Parent e179c99e0585…

by Simon Heimberg

Changes to one file · Browse files at 7740ffc8c32f Showing diff from parent e179c99e0585 Diff from another changeset...

Change 1 of 1 Show Changes Only thgutil/​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 os  import sys  import cPickle  import time  from mercurial.i18n import _  from mercurial import util  from mercurial import hg    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):   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):   try:   f = file(self._path, 'rb')   self._data = cPickle.loads(f.read())   f.close()   except Exception:   pass     def write(self):   self._write(self._path, self._data)     def _write(self, appname, data):   s = cPickle.dumps(data)   f = util.atomictempfile(appname, 'wb', None)   f.write(s)   f.rename()     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',   appname)     def _audit(self):   if os.path.exists(os.path.dirname(self._path)):   return   os.makedirs(os.path.dirname(self._path))    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 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   import pywintypes   except ImportError:   return - dirs = [] + dirs = set()   for path in paths:   abspath = os.path.abspath(path)   if not os.path.isdir(abspath):   abspath = os.path.dirname(abspath) - if abspath not in dirs: - dirs.append(abspath) + dirs.add(abspath)   # send notifications to deepest directories first - dirs.sort(lambda x, y: len(y) - len(x)) - for dir in dirs: + for dir in sorted(dirs, key=len, reverse=True):   try:   pidl, ignore = shell.SHILCreateFromPath(dir, 0)   except pywintypes.com_error:   return   if pidl is None:   continue   shell.SHChangeNotify(shellcon.SHCNE_UPDATEITEM,   shellcon.SHCNF_IDLIST | shellcon.SHCNF_FLUSH,   pidl, None)     def update_thgstatus(ui, root, wait=False):   '''Rewrite the file .hg/thgstatus     Caches the information provided by repo.status() in the file   .hg/thgstatus, which can then be read by the overlay shell extension   to display overlay icons for directories.     The file .hg/thgstatus contains one line for each directory that has   removed, modified or added files (in that order of preference). Each   line consists of one char for the status of the directory (r, m or a),   followed by the relative path of the directory in the repo. If the   file .hg/thgstatus is empty, then the repo's working directory is   clean.     Specify wait=True to wait until the system clock ticks to the next   second before accessing Mercurial's dirstate. This is useful when   Mercurial's .hg/dirstate contains unset entries (in output of   "hg debugstate"). unset entries happen if .hg/dirstate was updated   within the same second as Mercurial updated the respective file in   the working tree. This happens with a high probability for example   when cloning a repo. The overlay shell extension will display unset   dirstate entries as (potentially false) modified. Specifying wait=True   ensures that there are no unset entries left in .hg/dirstate when this   function exits.   '''   if wait:   tref = time.time()   tdelta = float(int(tref)) + 1.0 - tref   if (tdelta > 0.0):   time.sleep(tdelta)   repo = hg.repository(ui, root) # a fresh repo object is needed   repostate = repo.status() # will update .hg/dirstate as a side effect   modified, added, removed, deleted = repostate[:4]   dirstatus = {}   def dirname(f):   return '/'.join(f.split('/')[:-1])   for fn in added:   dirstatus[dirname(fn)] = 'a'   for fn in modified:   dirstatus[dirname(fn)] = 'm'   for fn in removed + deleted:   dirstatus[dirname(fn)] = 'r'   f = open(repo.join("thgstatus"), 'wb')   for dn in sorted(dirstatus):   f.write(dirstatus[dn] + dn + '\n')   f.close()    else:   def shell_notify(paths):   if not paths:   return   notify = os.environ.get('THG_NOTIFY', '.tortoisehg/notify')   if not os.path.isabs(notify):   notify = os.path.join(os.path.expanduser('~'), notify)   os.environ['THG_NOTIFY'] = notify   if not os.path.isfile(notify):   return   f_notify = open(notify, 'w')   try:   f_notify.write('\n'.join([os.path.abspath(path) for path in paths]))   finally:   f_notify.close()     def update_thgstatus(*args, **kws):   pass