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Pushed to one repository · View In Graph Contained in 0.9, 0.9.1, and 0.9.1.1

stable visdiff: delete temp files in all cases

Changeset f5ec4035ce66…

Parent ccb67c547110…

by Steve Borho

Changes to one file · Browse files at f5ec4035ce66 Showing diff from parent ccb67c547110 Diff from another changeset...

Change 1 of 5 Show Changes Only tortoisehg/​hgtk/​visdiff.py Stacked
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 # visdiff.py - launch external visual diff tools  #  # Copyright 2009 Steve Borho <steve@borho.org>  #  # This software may be used and distributed according to the terms of the  # GNU General Public License version 2, incorporated herein by reference.    import gtk  import gobject  import os  import shlex  import subprocess  import shutil  import tempfile  import re    from mercurial import hg, ui, cmdutil, util  from mercurial.node import short, nullid    from tortoisehg.util.i18n import _  from tortoisehg.util import hglib, settings, paths    from tortoisehg.hgtk import gdialog, gtklib    try:   import win32con   openflags = win32con.CREATE_NO_WINDOW  except ImportError:   openflags = 0    def snapshot(repo, files, node, tmproot):   '''snapshot files as of some revision'''   dirname = os.path.basename(repo.root)   if dirname == "":   dirname = "root"   if node is not None:   dirname = '%s.%s' % (dirname, short(node))   base = os.path.join(tmproot, dirname)   os.mkdir(base)   ctx = repo[node]   for fn in files:   wfn = util.pconvert(fn)   if not wfn in ctx:   # File doesn't exist; could be a bogus modify   continue   dest = os.path.join(base, wfn)   destdir = os.path.dirname(dest)   if not os.path.isdir(destdir):   os.makedirs(destdir)   data = repo.wwritedata(wfn, ctx[wfn].data())   f = open(dest, 'wb')   f.write(data)   f.close()   return dirname    class FileSelectionDialog(gtk.Dialog):   'Dialog for selecting visual diff candidates'   def __init__(self, canonpats, opts):   'Initialize the Dialog'   gtk.Dialog.__init__(self, title=_('Visual Diffs'))   gtklib.set_tortoise_icon(self, 'menushowchanged.ico')   gtklib.set_tortoise_keys(self)     self.set_default_size(400, 150)   self.set_has_separator(False) + self.tmproot = None     lbl = gtk.Label(_('Temporary files are removed when this dialog'   ' is closed'))   self.vbox.pack_start(lbl, False, False, 2)     scroller = gtk.ScrolledWindow()   scroller.set_shadow_type(gtk.SHADOW_IN)   scroller.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)   treeview = gtk.TreeView()   self.treeview = treeview   treeview.get_selection().set_mode(gtk.SELECTION_SINGLE)   treeview.set_search_equal_func(self.search_filelist)   scroller.add(treeview)   self.vbox.pack_start(scroller, True, True, 2)     hbox = gtk.HBox()   self.vbox.pack_start(hbox, False, False, 2)   vsettings = settings.Settings('visdiff')   single = vsettings.get_value('launchsingle', False)   check = gtk.CheckButton(_('Always launch single files'))   check.set_active(single)   hbox.pack_start(check, True, True, 2)   self.singlecheck = check   - self.connect('response', self.response) -   treeview.connect('row-activated', self.rowactivated)   treeview.set_headers_visible(False)   treeview.set_property('enable-grid-lines', True)   treeview.set_enable_search(False)     try:   path = opts.get('bundle') or paths.find_root()   repo = hg.repository(ui.ui(), path=path)   except hglib.RepoError:   # hgtk should catch this earlier   gdialog.Prompt(_('No repository'),   _('No repository found here'), None).run()   return     tools = readtools(repo.ui)   preferred = repo.ui.config('tortoisehg', 'vdiff', 'vdiff')   if preferred and preferred in tools:   if len(tools) > 1:   lbl = gtk.Label(_('Select diff tool'))   combo = gtk.combo_box_new_text()   for i, name in enumerate(tools.iterkeys()):   combo.append_text(name)   if name == preferred:   defrow = i   combo.connect('changed', self.toolselect, tools)   combo.set_active(defrow)   hbox.pack_start(lbl, False, False, 2)   hbox.pack_start(combo, False, False, 2)   else:   self.diffpath, self.diffopts = tools[preferred]   cwd = os.getcwd()   try:   os.chdir(repo.root)   model = self.find_files(repo, canonpats, opts, treeview)   do3way = model.get_n_columns() == 3   treeview.set_model(model)   cell = gtk.CellRendererText()   stcol = gtk.TreeViewColumn('Status 1', cell)   stcol.set_resizable(True)   stcol.add_attribute(cell, 'text', 0)   treeview.append_column(stcol)   if do3way:   cell = gtk.CellRendererText()   stcol = gtk.TreeViewColumn('Status 2', cell)   stcol.set_resizable(True)   stcol.add_attribute(cell, 'text', 1)   treeview.append_column(stcol)   cell = gtk.CellRendererText()   fcol = gtk.TreeViewColumn('Filename', cell)   fcol.set_resizable(True)   fcol.add_attribute(cell, 'text', do3way and 2 or 1)   treeview.append_column(fcol)   if len(model) == 1 and self.singlecheck.get_active():   self.launch(*model[0])   finally:   os.chdir(cwd)   else:   gdialog.Prompt(_('No visual diff tool'),   _('No visual diff tool has been configured'), None).run()   from tortoisehg.hgtk import thgconfig   dlg = thgconfig.ConfigDialog(False)   dlg.show_all()   dlg.focus_field('tortoisehg.vdiff')   dlg.run()   dlg.hide()   gtklib.idle_add_single_call(self.destroy)     def search_filelist(self, model, column, key, iter):   'case insensitive filename search'   key = key.lower()   if key in model.get_value(iter, 1).lower():   return False   return True     def toolselect(self, combo, tools):   sel = combo.get_active_text()   if sel in tools:   self.diffpath, self.diffopts = tools[sel]     def find_files(self, repo, pats, opts, treeview):     revs = opts.get('rev')   change = opts.get('change')   do3way = '$parent2' in ''.join(self.diffopts)     if change and (do3way or not revs):   title = _('changeset ') + str(change)   node2 = repo.lookup(change)   node1a, node1b = repo.changelog.parents(node2)   else:   node1a, node2 = cmdutil.revpair(repo, revs)   if not revs:   title = _('working changes')   node1b = repo.dirstate.parents()[1]   else:   title = _('revisions ') + ' to '.join(revs)   node1b = nullid     # Disable 3-way merge if there is only one parent   if node1b == nullid:   do3way = False     title = _('Visual Diffs - ') + title   if pats:   title += ' filtered'   self.set_title(title)     matcher = cmdutil.match(repo, pats, opts)   mod_a, add_a, rem_a = map(set, repo.status(node1a, node2, matcher)[:3])   if do3way:   mod_b, add_b, rem_b = map(set, repo.status(node1b, node2, matcher)[:3])   else:   mod_b, add_b, rem_b = set(), set(), set()   modadd = mod_a | add_a | mod_b | add_b   common = modadd | rem_a | rem_b   if not common:   gdialog.Prompt(_('No file changes'),   _('There are no file changes to view'), self).run()   # GTK+ locks up if this is done immediately here   gtklib.idle_add_single_call(self.destroy)   return     tmproot = tempfile.mkdtemp(prefix='extdiff.') - self.connect('destroy', self.delete_tmproot, tmproot) + self.connect('response', self.response) + self.tmproot = tmproot     # Always make a copy of node1a (and node1b, if applicable)   dir1a_files = mod_a | rem_a | ((mod_b | add_b) - add_a)   dir1a = snapshot(repo, dir1a_files, node1a, tmproot)   if do3way:   dir1b_files = mod_b | rem_b | ((mod_a | add_a) - add_b)   dir1b = snapshot(repo, dir1b_files, node1b, tmproot)   else:   dir1b = None     # If node2 in not the wc or there is >1 change, copy it   dir2root = ''   if node2:   dir2 = snapshot(repo, modadd, node2, tmproot)   elif len(common) > 1:   #we only actually need to get the files to copy back to the working   #dir in this case (because the other cases are: diffing 2 revisions   #or single file -- in which case the file is already directly passed   #to the diff tool).   dir2 = snapshot(repo, modadd, None, tmproot)   else:   # This lets the diff tool open the changed file directly   dir2 = ''   dir2root = repo.root     self.dirs = (dir1a, dir1b, dir2, dir2root, tmproot)     def get_status(file, mod, add, rem):   if file in mod:   return 'M'   if file in add:   return 'A'   if file in rem:   return 'R'   return ' '     if do3way:   model = gtk.ListStore(str, str, str)   for f in common:   model.append([get_status(f, mod_a, add_a, rem_a),   get_status(f, mod_b, add_b, rem_b),   hglib.toutf(f)])   else:   model = gtk.ListStore(str, str)   for f in common:   model.append([get_status(f, mod_a, add_a, rem_a),   hglib.toutf(f)])   return model     def response(self, window, resp):   self.should_live()     def should_live(self):   vsettings = settings.Settings('visdiff')   vsettings.set_value('launchsingle', self.singlecheck.get_active())   vsettings.write() - return False - - def delete_tmproot(self, window, tmproot): - while True: + while self.tmproot:   try: - shutil.rmtree(tmproot) - return + shutil.rmtree(self.tmproot) + return False   except (IOError, OSError), e:   resp = gdialog.CustomPrompt(_('Unable to delete temp files'),   _('Close diff tools and try again, or quit to leak files?'),   self, (_('Try &Again'), _('&Quit')), 1).run()   if resp == 0:   continue   else: - return + return False + return False     def rowactivated(self, tree, path, column):   selection = tree.get_selection()   if selection.count_selected_rows() != 1:   return False   model, paths = selection.get_selected_rows()   self.launch(*model[paths[0]])     def launch(self, st1, st2, fname=None):   if not fname:   fname = st2   st2 = None   fname = hglib.fromutf(fname)   dir1a, dir1b, dir2, dir2root, tmproot = self.dirs     if st1 == 'A' or st2 == 'R':   dir1a = os.devnull   else:   dir1a = os.path.join(dir1a, util.localpath(fname))   if st2:   if st2 == 'A' or st1 == 'R':   dir1b = os.devnull   else:   dir1b = os.path.join(dir1b, util.localpath(fname))   if st1 == 'R' or st2 == 'R':   dir2 = os.devnull   else:   dir2 = os.path.join(dir2root, dir2, util.localpath(fname))     # Function to quote file/dir names in the argument string   # When not operating in 3-way mode, an empty string is returned for parent2   replace = dict(parent=dir1a, parent1=dir1a, parent2=dir1b, child=dir2)   def quote(match):   key = match.group()[1:]   if not st2 and key == 'parent2':   return ''   return util.shellquote(replace[key])     # Match parent2 first, so 'parent1?' will match both parent1 and parent   args = ' '.join(self.diffopts)   regex = '\$(parent2|parent1?|child)'   if not st2 and not re.search(regex, args):   args += ' $parent1 $child'   args = re.sub(regex, quote, args)   cmdline = util.shellquote(self.diffpath) + ' ' + args     if os.name == 'nt':   cmdline = '"%s"' % cmdline   try:   subprocess.Popen(cmdline, shell=True, cwd=tmproot,   creationflags=openflags,   stderr=subprocess.PIPE,   stdout=subprocess.PIPE,   stdin=subprocess.PIPE)   except (OSError, EnvironmentError), e:   gdialog.Prompt(_('Tool launch failure'),   _('%s : %s') % (self.diffpath, str(e)), None).run()    def readtools(ui):   tools = {}   for cmd, path in ui.configitems('extdiff'):   if cmd.startswith('cmd.'):   cmd = cmd[4:]   if not path:   path = cmd   diffopts = ui.config('extdiff', 'opts.' + cmd, '')   diffopts = diffopts and [diffopts] or []   tools[cmd] = [path, diffopts]   elif cmd.startswith('opts.'):   continue   else:   # command = path opts   if path:   diffopts = shlex.split(path)   path = diffopts.pop(0)   else:   path, diffopts = cmd, []   tools[cmd] = [path, diffopts]   return tools    def rawextdiff(ui, *pats, **opts):   'launch raw extdiff command, block until finish'   from hgext import extdiff   try:   path = opts.get('bundle') or paths.find_root()   repo = hg.repository(ui, path=path)   except hglib.RepoError:   # hgtk should catch this earlier   ui.warn(_('No repository found here') + '\n')   return   tools = readtools(ui)   preferred = ui.config('tortoisehg', 'vdiff', 'vdiff')   try:   diffcmd, diffopts = tools[preferred]   except KeyError:   ui.warn(_('Extdiff command not recognized\n'))   return   pats = hglib.canonpaths(pats)     # if both --change and --rev is given, remove --rev in 3-way mode,   # and --change in normal mode   if 'change' in opts and opts.get('rev'):   if '$parent2' in ''.join(diffopts):   del opts['rev']   else:   del opts['change']     try:   ret = extdiff.dodiff(ui, repo, diffcmd, diffopts, pats, opts)   except OSError, e:   ui.warn(str(e) + '\n')   return   if ret == 0:   gdialog.Prompt(_('No file changes'),   _('There are no file changes to view'), None).run()    def run(ui, *pats, **opts):   if ui.configbool('tortoisehg', 'vdiffnowin'):   import sys   # Spawn background process and exit   if hasattr(sys, "frozen"):   args = [sys.argv[0]]   else:   args = [sys.executable] + [sys.argv[0]]   args.extend(['vdiff', '--nofork', '--raw'])   revs = opts.get('rev', [])   change = opts.get('change')   if change:   args.extend(['--change', str(change)])   for r in revs:   args.extend(['--rev', str(r)])   bfile = opts.get('bundle')   if bfile:   args.extend(['--bundle', bfile])   args.extend(pats)   args.extend(opts.get('canonpats', []))   if os.name == 'nt':   args = ['"%s"' % arg for arg in args]   oldcwd = os.getcwd()   root = paths.find_root(oldcwd)   try:   os.chdir(root)   os.spawnv(os.P_NOWAIT, sys.executable, args)   finally:   os.chdir(oldcwd)   return None   else:   pats = hglib.canonpaths(pats)   if opts.get('canonpats'):   pats = list(pats) + opts['canonpats']   return FileSelectionDialog(pats, opts)