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Pushed to one repository · View In Graph Contained in 1.9.2, 1.9.3, and 2.0

fileview: remove two obsolete methods

Changeset 7e2d3593a33d

Parent 40e99f06d3ae

by Steve Borho

Changes to one file · Browse files at 7e2d3593a33d Showing diff from parent 40e99f06d3ae Diff from another changeset...

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 # Copyright (c) 2009-2010 LOGILAB S.A. (Paris, FRANCE).  # http://www.logilab.fr/ -- mailto:contact@logilab.fr  #  # This program is free software; you can redistribute it and/or modify it under  # the terms of the GNU General Public License as published by the Free Software  # Foundation; either version 2 of the License, or (at your option) any later  # version.  #  # This program is distributed in the hope that it will be useful, but WITHOUT  # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS  # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.  #  # You should have received a copy of the GNU General Public License along with  # this program; if not, write to the Free Software Foundation, Inc.,  # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  """  Qt4 high level widgets for hg repo changelogs and filelogs  """    import os  import difflib  import re    from mercurial import hg, error, match, patch, subrepo, commands, util  from mercurial import ui as uimod, mdiff    from PyQt4.QtCore import *  from PyQt4.QtGui import *  from PyQt4 import Qsci    from tortoisehg.util import hglib, patchctx    from tortoisehg.hgqt.i18n import _  from tortoisehg.hgqt.lexers import get_lexer, get_diff_lexer  from tortoisehg.hgqt.blockmatcher import BlockList  from tortoisehg.hgqt import qscilib, qtlib    qsci = Qsci.QsciScintilla  chunkhdrre = re.compile('^@@ -(\d+).*@@$')    class Annotator(qsci):   # we use a QScintilla for the annotater cause it makes   # it much easier to keep the text area and the annotater sync   # (same font rendering etc). However, it have the drawback of making much   # more difficult to implement things like QTextBrowser.anchorClicked, which   # would have been nice to directly go to the annotated revision...   def __init__(self, textarea, parent=None):   qsci.__init__(self, parent)     self.setFrameStyle(0)   self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)   self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)   self.setReadOnly(True)   self.sizePolicy().setControlType(QSizePolicy.Slider)   self.setMinimumWidth(20)   self.setMaximumWidth(40) # XXX TODO make this computed   self.setFont(textarea.font())   self.setMarginWidth(0, '')   self.setMarginWidth(1, '')     self.SendScintilla(qsci.SCI_SETCURSOR, 2)   self.SendScintilla(qsci.SCI_SETCARETSTYLE, 0)     # used to set a background color for every annotating rev   N = 32   self.markers = []   for i in range(N):   marker = self.markerDefine(qsci.Background)   color = 0x7FFF00 + (i-N/2)*256/N*256*256 - i*256/N*256 + i*256/N   self.SendScintilla(qsci.SCI_MARKERSETBACK, marker, color)   self.markers.append(marker)     textarea.verticalScrollBar().valueChanged.connect(   self.verticalScrollBar().setValue)     def setFilectx(self, fctx):   self.fctx = fctx   if fctx.rev() is None:   # the working context does not support annotate yet. I need to   # add that to Mercurial at some point.   self.setText('')   self.fctxann = []   return   self.fctxann = [f for f, line in fctx.annotate(follow=True)]   revlist = [str(f.rev()) for f in self.fctxann]   self.setText('\n'.join(revlist))   uniqrevs = list(sorted(set(revlist)))   for i, rev in enumerate(revlist):   idx = uniqrevs.index(rev)   self.markerAdd(i, self.markers[idx % len(self.markers)])    class HgFileView(QFrame):   """file diff and content viewer"""     showDescSignal = pyqtSignal(QString)   linkActivated = pyqtSignal(QString)   fileDisplayed = pyqtSignal(QString, QString)   showMessage = pyqtSignal(unicode)   revForDiffChanged = pyqtSignal(int)   filled = pyqtSignal()     def __init__(self, parent=None):   QFrame.__init__(self, parent)   framelayout = QVBoxLayout(self)   framelayout.setContentsMargins(0,0,0,0)   framelayout.setSpacing(0)     l = QHBoxLayout()   l.setContentsMargins(0,0,0,0)   l.setSpacing(0)     self.topLayout = QVBoxLayout()     self.labelhbox = hbox = QHBoxLayout()   hbox.setContentsMargins(0,0,0,0)   hbox.setSpacing(2)   self.topLayout.addLayout(hbox)     self.diffToolbar = QToolBar(_('Diff Toolbar'))   self.diffToolbar.setIconSize(QSize(16,16))   hbox.addWidget(self.diffToolbar)     self.filenamelabel = w = QLabel()   w.setWordWrap(True)   f = w.textInteractionFlags()   w.setTextInteractionFlags(f | Qt.TextSelectableByMouse)   w.linkActivated.connect(self.linkActivated)   hbox.addWidget(w, 1)     self.extralabel = w = QLabel()   w.setWordWrap(True)   w.linkActivated.connect(self.linkActivated)   self.topLayout.addWidget(w)   w.hide()     framelayout.addLayout(self.topLayout)   framelayout.addLayout(l, 1)     self.sci = qscilib.Scintilla(self)   self.sci.setFrameStyle(0)   l.addWidget(self.sci, 1)   #self.sci.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn)   self.sci.setReadOnly(True)   self.sci.setUtf8(True)   self.sci.installEventFilter(qscilib.KeyPressInterceptor(self))   self.sci.setContextMenuPolicy(Qt.CustomContextMenu)   self.sci.customContextMenuRequested.connect(self.menuRequested)   self.sci.setCaretLineVisible(False)     if hasattr(self.sci, 'indicatorDefine'):   self.sci.indicatorDefine(qsci.RoundBoxIndicator, 8)   self.sci.setIndicatorDrawUnder(8)   self.sci.setIndicatorForegroundColor(QColor('#BBFFFF'), 8)   self.sci.indicatorDefine(qsci.RoundBoxIndicator, 9)   self.sci.setIndicatorDrawUnder(9)   self.sci.setIndicatorForegroundColor(QColor('#58A8FF'), 9)   else:   self.sci.SendScintilla(qsci.SCI_INDICSETSTYLE, 8, qsci.INDIC_ROUNDBOX)   self.sci.SendScintilla(qsci.SCI_INDICSETUNDER, 8, True)   self.sci.SendScintilla(qsci.SCI_INDICSETFORE, 8, 0xBBFFFF)   self.sci.SendScintilla(qsci.SCI_INDICSETSTYLE, 9, qsci.INDIC_ROUNDBOX)   self.sci.SendScintilla(qsci.SCI_INDICSETUNDER, 9, True)   self.sci.SendScintilla(qsci.SCI_INDICSETFORE, 9, 0x58A8FF)     # hide margin 0 (markers)   self.sci.SendScintilla(qsci.SCI_SETMARGINTYPEN, 0, 0)   self.sci.SendScintilla(qsci.SCI_SETMARGINWIDTHN, 0, 0)     # define markers for colorize zones of diff   self.markerplus = self.sci.markerDefine(qsci.Background)   self.sci.SendScintilla(qsci.SCI_MARKERSETBACK, self.markerplus,   0xB0FFA0)   self.markerminus = self.sci.markerDefine(qsci.Background)   self.sci.SendScintilla(qsci.SCI_MARKERSETBACK, self.markerminus,   0xA0A0FF)   self.markertriangle = self.sci.markerDefine(qsci.Background)   self.sci.SendScintilla(qsci.SCI_MARKERSETBACK, self.markertriangle,   0xFFA0A0)   self.lastrev = None   self.sci.mouseMoveEvent = self.mouseMoveEvent     ll = QVBoxLayout()   ll.setContentsMargins(0, 0, 0, 0)   ll.setSpacing(0)   l.insertLayout(0, ll)     ll2 = QHBoxLayout()   ll2.setContentsMargins(0, 0, 0, 0)   ll2.setSpacing(0)   ll.addLayout(ll2)     # used to fill height of the horizontal scroll bar   w = QWidget(self)   ll.addWidget(w)   self._spacer = w     self.blk = BlockList(self)   self.blk.linkScrollBar(self.sci.verticalScrollBar())   ll2.addWidget(self.blk)   self.blk.setVisible(False)     self.ann = Annotator(self.sci, self)   ll2.addWidget(self.ann)   self.ann.setVisible(False)     self._ctx = None   self._filename = None   self._status = None   self._find_text = None   self._mode = None   self._lostMode = None     self.actionDiffMode = QAction('Diff', self)   self.actionDiffMode.setCheckable(True)   self.actionFileMode = QAction('File', self)   self.actionFileMode.setCheckable(True)   self.actionAnnMode = QAction('Ann', self)   self.actionAnnMode.setCheckable(True)     self.modeToggleGroup = QActionGroup(self)   self.modeToggleGroup.addAction(self.actionDiffMode)   self.modeToggleGroup.addAction(self.actionFileMode)   self.modeToggleGroup.addAction(self.actionAnnMode)   self.modeToggleGroup.triggered.connect(self.setMode)     # Next/Prev diff (in full file mode)   self.actionNextDiff = QAction(qtlib.geticon('down'), 'Next diff', self)   self.actionNextDiff.setShortcut('Alt+Down')   self.actionNextDiff.triggered.connect(self.nextDiff)   self.actionPrevDiff = QAction(qtlib.geticon('up'), 'Previous diff', self)   self.actionPrevDiff.setShortcut('Alt+Up')   self.actionPrevDiff.triggered.connect(self.prevDiff)     self.forceMode('diff')     tb = self.diffToolbar   tb.addAction(self.actionDiffMode)   tb.addAction(self.actionFileMode)   tb.addAction(self.actionAnnMode)   tb.addSeparator()   tb.addAction(self.actionNextDiff)   tb.addAction(self.actionPrevDiff)     self.actionNextLine = QAction('Next line', self)   self.actionNextLine.setShortcut(Qt.SHIFT + Qt.Key_Down)   self.actionNextLine.triggered.connect(self.nextLine)   self.addAction(self.actionNextLine)   self.actionPrevLine = QAction('Prev line', self)   self.actionPrevLine.setShortcut(Qt.SHIFT + Qt.Key_Up)   self.actionPrevLine.triggered.connect(self.prevLine)   self.addAction(self.actionPrevLine)   self.actionNextCol = QAction('Next column', self)   self.actionNextCol.setShortcut(Qt.SHIFT + Qt.Key_Right)   self.actionNextCol.triggered.connect(self.nextCol)   self.addAction(self.actionNextCol)   self.actionPrevCol = QAction('Prev column', self)   self.actionPrevCol.setShortcut(Qt.SHIFT + Qt.Key_Left)   self.actionPrevCol.triggered.connect(self.prevCol)   self.addAction(self.actionPrevCol)     self.timer = QTimer()   self.timer.setSingleShot(False)   self.timer.timeout.connect(self.idle_fill_files)     def menuRequested(self, point):   point = self.sci.mapToGlobal(point)   return self.sci.createStandardContextMenu().exec_(point)     def loadSettings(self, qs, prefix):   self.sci.loadSettings(qs, prefix)     def saveSettings(self, qs, prefix):   self.sci.saveSettings(qs, prefix)     def resizeEvent(self, event):   QFrame.resizeEvent(self, event)   h = self.sci.horizontalScrollBar().height()   self._spacer.setMinimumHeight(h)   self._spacer.setMaximumHeight(h)     @pyqtSlot(QAction)   def setMode(self, action):   'One of the mode toolbar buttons has been toggled'   mode = {'Diff':'diff', 'File':'file', 'Ann':'ann'}[str(action.text())]   self.actionNextDiff.setEnabled(mode != 'diff')   self.actionPrevDiff.setEnabled(False)   self.blk.setVisible(mode != 'diff')   self.ann.setVisible(mode == 'ann')   if mode != self._mode:   self._mode = mode   self.displayFile()     def forceMode(self, mode):   'Force into file or diff mode, based on content constaints'   assert mode in ('diff', 'file')   if self._lostMode is None:   self._lostMode = self._mode   self._mode = mode   if mode == 'diff':   self.actionDiffMode.setChecked(True)   else:   self.actionFileMode.setChecked(True)   self.actionDiffMode.setEnabled(False)   self.actionFileMode.setEnabled(False)   self.actionAnnMode.setEnabled(False)   self.actionNextDiff.setEnabled(False)   self.actionPrevDiff.setEnabled(False)   self.blk.setVisible(mode == 'file')   self.ann.setVisible(False)     def setContext(self, ctx):   self._ctx = ctx   self._p_rev = None   self.sci.setTabWidth(ctx._repo.tabwidth)   self.actionAnnMode.setVisible(ctx.rev() != None)     def rev(self):   return self._ctx.rev()     def filename(self):   return self._filename     def displayDiff(self, rev):   if rev != self._p_rev:   self.displayFile(rev=rev)     def mouseMoveEvent(self, event):   if self._mode == 'ann' and self.ann.fctxann:   # Calculate row index from the scroll offset and mouse position   scroll_offset = self.sci.verticalScrollBar().value()   idx = scroll_offset + event.pos().y() / self.sci.textHeight(0)   # It's possible to scroll below the bottom line   if idx >= len(self.ann.fctxann):   idx = len(self.ann.fctxann) - 1   ctx = self.ann.fctxann[idx]   rev = ctx.rev()   desc = hglib.get_revision_desc(ctx, self.filename())   if rev != self.lastrev:   self.showDescSignal.emit(desc)   self.lastrev = rev   qsci.mouseMoveEvent(self.sci, event)     def leaveEvent(self, event):   if self._mode == 'ann':   self.lastrev = None   self.showDescSignal.emit('')     def clearDisplay(self):   self.sci.clear()   self.ann.clear()   self.blk.clear()   # Setting the label to ' ' rather than clear() keeps the label   # from disappearing during refresh, and tool layouts bouncing   self.filenamelabel.setText(' ')   self.extralabel.hide()   self.sci.setMarginLineNumbers(1, False)   self.sci.setMarginWidth(1, '')     def displayFile(self, filename=None, rev=None, status=None):   if filename is None:   filename, status = self._filename, self._status   else:   self._filename, self._status = filename, status     if rev is not None:   self._p_rev = rev   self.revForDiffChanged.emit(rev)     self.clearDisplay()   if filename is None:   self.forceMode('file')   return     ctx = self._ctx   repo = ctx._repo   if self._p_rev is not None:   ctx2 = repo[self._p_rev]   else:   ctx2 = None     fd = FileData(ctx, ctx2, filename, status)     if fd.elabel:   self.extralabel.setText(fd.elabel)   self.extralabel.show()   else:   self.extralabel.hide()   self.filenamelabel.setText(fd.flabel)     if not fd.isValid():   self.sci.setText(fd.error)   self.forceMode('file')   return     if fd.diff and not fd.contents:   self.forceMode('diff')   elif fd.contents and not fd.diff:   self.forceMode('file')   else:   self.actionDiffMode.setEnabled(True)   self.actionFileMode.setEnabled(True)   self.actionAnnMode.setEnabled(True)   if self._lostMode:   if self._lostMode == 'diff':   self.actionDiffMode.trigger()   elif self._lostMode == 'file':   self.actionFileMode.trigger()   elif self._lostMode == 'ann':   self.actionAnnMode.trigger()   self._lostMode = None     if self._mode == 'diff':   lexer = get_diff_lexer(self)   self.sci.setLexer(lexer)   # trim first three lines, for example:   # diff -r f6bfc41af6d7 -r c1b18806486d tortoisehg/hgqt/thgrepo.py   # --- a/tortoisehg/hgqt/thgrepo.py   # +++ b/tortoisehg/hgqt/thgrepo.py   noheader = fd.diff.split('\n', 3)[3]   self.sci.setText(hglib.tounicode(noheader))   elif fd.contents is None:   return   else:   lexer = get_lexer(filename, fd.contents, self)   self.sci.setLexer(lexer)   nlines = fd.contents.count('\n')   # margin 1 is used for line numbers   self.sci.setMarginLineNumbers(1, True)   self.sci.setMarginWidth(1, str(nlines)+'0')   self.sci.setText(fd.contents)     if self._find_text:   self.highlightSearchString(self._find_text)     uf = hglib.tounicode(self._filename)   self.fileDisplayed.emit(uf, fd.contents or QString())   if self._mode == 'diff':   return     if self._mode == 'ann':   if lexer is not None:   self.ann.setFont(lexer.font(0))   else:   self.ann.setFont(self.sci.font())   self.ann.setFilectx(self._ctx[filename])     # Update diff margin   if fd.contents and fd.olddata:   if self.timer.isActive():   self.timer.stop()     olddata = fd.olddata.splitlines()   newdata = fd.contents.splitlines()   self._diff = difflib.SequenceMatcher(None, olddata, newdata)   self._diffs = []   self.blk.syncPageStep()   self.timer.start()     def nextDiff(self):   if self._mode == 'diff' or not self._diffs:   self.actionNextDiff.setEnabled(False)   self.actionPrevDiff.setEnabled(False)   return   row, column = self.sci.getCursorPosition()   for i, (lo, hi) in enumerate(self._diffs):   if lo > row:   last = (i == (len(self._diffs)-1))   self.sci.setCursorPosition(lo, 0)   self.sci.verticalScrollBar().setValue(lo)   break   self.actionNextDiff.setEnabled(not last)   self.actionPrevDiff.setEnabled(True)     def prevDiff(self):   if self._mode == 'diff' or not self._diffs:   self.actionNextDiff.setEnabled(False)   self.actionPrevDiff.setEnabled(False)   return   row, column = self.sci.getCursorPosition()   for i, (lo, hi) in enumerate(reversed(self._diffs)):   if hi < row:   first = (i == (len(self._diffs)-1))   self.sci.setCursorPosition(lo, 0)   self.sci.verticalScrollBar().setValue(lo)   break   self.actionNextDiff.setEnabled(True)   self.actionPrevDiff.setEnabled(not first)     def nextLine(self):   x, y = self.sci.getCursorPosition()   self.sci.setCursorPosition(x+1, y)     def prevLine(self):   x, y = self.sci.getCursorPosition()   self.sci.setCursorPosition(x-1, y)     def nextCol(self):   x, y = self.sci.getCursorPosition()   self.sci.setCursorPosition(x, y+1)     def prevCol(self):   x, y = self.sci.getCursorPosition()   self.sci.setCursorPosition(x, y-1)     def nDiffs(self):   return len(self._diffs)   - def diffMode(self): - return self._mode == 'diff' - def fileMode(self): - return self._mode == 'file' -   def searchString(self, text):   self._find_text = text   self.clearHighlights()   findpos = self.highlightSearchString(self._find_text)   if findpos:   def finditer(self, findpos):   if self._find_text:   for pos in findpos:   self.highlightCurrentSearchString(pos, self._find_text)   yield self._ctx.rev(), self._filename, pos   return finditer(self, findpos)     def clearHighlights(self):   n = self.sci.length()   # highlight   self.sci.SendScintilla(qsci.SCI_SETINDICATORCURRENT, 8)   self.sci.SendScintilla(qsci.SCI_INDICATORCLEARRANGE, 0, n)   # current found occurrence   self.sci.SendScintilla(qsci.SCI_SETINDICATORCURRENT, 9)   self.sci.SendScintilla(qsci.SCI_INDICATORCLEARRANGE, 0, n)     def highlightSearchString(self, text):   data = unicode(self.sci.text())   self.sci.SendScintilla(qsci.SCI_SETINDICATORCURRENT, 8)   pos = [data.find(text)]   n = len(text)   while pos[-1] > -1:   self.sci.SendScintilla(qsci.SCI_INDICATORFILLRANGE, pos[-1], n)   pos.append(data.find(text, pos[-1]+1))   pos = [x for x in pos if x > -1]   self.showMessage.emit(   _("Found %d occurrences of '%s' in current file or diff") % (   len(pos), text))   return pos     def highlightCurrentSearchString(self, pos, text):   line = self.sci.SendScintilla(qsci.SCI_LINEFROMPOSITION, pos)   #line, idx = w.lineIndexFromPosition(nextpos)   self.sci.ensureLineVisible(line)   self.sci.SendScintilla(qsci.SCI_SETINDICATORCURRENT, 9)   self.sci.SendScintilla(qsci.SCI_INDICATORCLEARRANGE, 0, pos)   self.sci.SendScintilla(qsci.SCI_INDICATORFILLRANGE, pos, len(text))     @pyqtSlot(unicode, bool, bool, bool)   def find(self, exp, icase=True, wrap=False, forward=True):   self.sci.find(exp, icase, wrap, forward)     @pyqtSlot(unicode, bool)   def highlightText(self, match, icase=False):   self.sci.highlightText(match, icase)     def verticalScrollBar(self):   return self.sci.verticalScrollBar()     def idle_fill_files(self):   # we make a burst of diff-lines computed at once, but we   # disable GUI updates for efficiency reasons, then only   # refresh GUI at the end of the burst   self.sci.setUpdatesEnabled(False)   self.blk.setUpdatesEnabled(False)   for n in range(30): # burst pool   if self._diff is None or not self._diff.get_opcodes():   self.actionNextDiff.setEnabled(bool(self._diffs))   self.actionPrevDiff.setEnabled(False)   self._diff = None   self.timer.stop()   self.filled.emit()   break     tag, alo, ahi, blo, bhi = self._diff.get_opcodes().pop(0)   if tag == 'replace':   self._diffs.append([blo, bhi])   self.blk.addBlock('x', blo, bhi)   for i in range(blo, bhi):   self.sci.markerAdd(i, self.markertriangle)     elif tag == 'delete':   # You cannot effectively show deleted lines in a single   # pane display. They do not exist.   pass   # self._diffs.append([blo, bhi])   # self.blk.addBlock('-', blo, bhi)   # for i in range(alo, ahi):   # self.sci.markerAdd(i, self.markerminus)     elif tag == 'insert':   self._diffs.append([blo, bhi])   self.blk.addBlock('+', blo, bhi)   for i in range(blo, bhi):   self.sci.markerAdd(i, self.markerplus)     elif tag == 'equal':   pass     else:   raise ValueError, 'unknown tag %r' % (tag,)     # ok, enable GUI refresh for code viewers and diff-block displayers   self.sci.setUpdatesEnabled(True)   self.blk.setUpdatesEnabled(True)      class FileData(object):   def __init__(self, ctx, ctx2, wfile, status=None):   self.contents = None   self.error = None   self.olddata = None   self.diff = None   self.flabel = u''   self.elabel = u''   self.readStatus(ctx, ctx2, wfile, status)     def checkMaxDiff(self, ctx, wfile):   p = _('File or diffs not displayed: ')   try:   fctx = ctx.filectx(wfile)   if ctx.rev() is None:   size = fctx.size()   else:   # fctx.size() can read all data into memory in rename cases so   # we read the size directly from the filelog, this is deeper   # under the API than I prefer to go, but seems necessary   size = fctx._filelog.rawsize(fctx.filerev())   except (EnvironmentError, error.LookupError), e:   self.error = p + hglib.tounicode(str(e))   return None   if size > ctx._repo.maxdiff:   self.error = p + _('File is larger than the specified max size.\n')   return None   try:   data = fctx.data()   if '\0' in data:   self.error = p + _('File is binary.\n')   return None   except EnvironmentError, e:   self.error = p + hglib.tounicode(str(e))   return None   return fctx, data     def isValid(self):   return self.error is None     def readStatus(self, ctx, ctx2, wfile, status):   def getstatus(repo, n1, n2, wfile):   m = match.exact(repo.root, repo.getcwd(), [wfile])   modified, added, removed = repo.status(n1, n2, match=m)[:3]   if wfile in modified:   return 'M'   if wfile in added:   return 'A'   if wfile in removed:   return 'R'   return None     repo = ctx._repo   self.flabel += u'<b>%s</b>' % hglib.tounicode(wfile)     if isinstance(ctx, patchctx.patchctx):   self.diff = ctx.thgmqpatchdata(wfile)   flags = ctx.flags(wfile)   if flags in ('x', '-'):   lbl = _("exec mode has been <font color='red'>%s</font>")   change = (flags == 'x') and _('set') or _('unset')   self.elabel = lbl % change   elif flags == 'l':   self.flabel += _(' <i>(is a symlink)</i>')   return     absfile = repo.wjoin(wfile)   if (wfile in ctx and 'l' in ctx.flags(wfile)) or \   os.path.islink(absfile):   if wfile in ctx:   data = ctx[wfile].data()   else:   data = os.readlink(absfile)   self.contents = hglib.tounicode(data)   self.flabel += _(' <i>(is a symlink)</i>')   return     if status is None:   status = getstatus(repo, ctx.p1().node(), ctx.node(), wfile)   if ctx2 is None:   ctx2 = ctx.p1()     if status == 'S':   try:   assert(ctx.rev() is None)   out = []   _ui = uimod.ui()   sroot = repo.wjoin(wfile)   srepo = hg.repository(_ui, path=sroot)   srev = ctx.substate.get(wfile, subrepo.nullstate)[1]   sactual = srepo['.'].hex()   _ui.pushbuffer()   commands.status(_ui, srepo)   data = _ui.popbuffer()   if data:   out.append(_('File Status:\n'))   out.append(data)   out.append('\n')   if srev == '':   out.append(_('New subrepository\n\n'))   elif srev != sactual:   out.append(_('Revision has changed from:\n\n'))   opts = {'date':None, 'user':None, 'rev':[srev]}   _ui.pushbuffer()   commands.log(_ui, srepo, **opts)   out.append(hglib.tounicode(_ui.popbuffer()))   out.append(_('To:\n'))   opts['rev'] = [sactual]   _ui.pushbuffer()   commands.log(_ui, srepo, **opts)   out.append(hglib.tounicode(_ui.popbuffer()))   self.contents = u''.join(out)   self.flabel += _(' <i>(is a dirty sub-repository)</i>')   lbl = u' <a href="subrepo:%s">%s...</a>'   self.flabel += lbl % (hglib.tounicode(sroot), _('open'))   except (error.RepoError, util.Abort), e:   self.error = _('Not a Mercurial subrepo, not previewable')   return     # TODO: elif check if a subdirectory (for manifest tool)     if status in ('R', '!'):   if wfile in ctx.p1():   newdata = ctx.p1()[wfile].data()   self.contents = hglib.tounicode(newdata)   self.flabel += _(' <i>(was deleted)</i>')   else:   self.flabel += _(' <i>(was added, now missing)</i>')   return     if status in ('I', '?'):   try:   data = open(repo.wjoin(wfile), 'r').read()   if '\0' in data:   self.error = 'binary file'   else:   self.contents = hglib.tounicode(data)   self.flabel += _(' <i>(is unversioned)</i>')   except EnvironmentError, e:   self.error = hglib.tounicode(str(e))   return     if status in ('M', 'A'):   res = self.checkMaxDiff(ctx, wfile)   if res is None:   return   fctx, newdata = res   self.contents = hglib.tounicode(newdata)   change = None   for pfctx in fctx.parents():   if 'x' in fctx.flags() and 'x' not in pfctx.flags():   change = _('set')   elif 'x' not in fctx.flags() and 'x' in pfctx.flags():   change = _('unset')   if change:   lbl = _("exec mode has been <font color='red'>%s</font>")   self.elabel = lbl % change     if status == 'A':   renamed = fctx.renamed()   if not renamed:   self.flabel += _(' <i>(was added)</i>')   return     oldname, node = renamed   fr = hglib.tounicode(oldname)   self.flabel += _(' <i>(renamed from %s)</i>') % fr   olddata = repo.filectx(oldname, fileid=node).data()   elif status == 'M':   if wfile not in ctx2:   # merge situation where file was added in other branch   self.flabel += _(' <i>(was added)</i>')   return   oldname = wfile   olddata = ctx2[wfile].data()   else:   return     self.olddata = olddata   newdate = util.datestr(ctx.date())   olddate = util.datestr(ctx2.date())   revs = [str(ctx), str(ctx2)]   diffopts = patch.diffopts(repo.ui, {})   diffopts.git = False   self.diff = mdiff.unidiff(olddata, olddate, newdata, newdate,   oldname, wfile, revs, diffopts)