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grep.py
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# grep.py - Working copy and history search # # Copyright 2010 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 os import re from mercurial import ui, hg, error, commands, match, util, subrepo from tortoisehg.hgqt import htmlui, visdiff, qtlib, htmldelegate, thgrepo, cmdui, settings from tortoisehg.util import paths, hglib, thread2 from tortoisehg.hgqt.i18n import _ from PyQt4.QtCore import * from PyQt4.QtGui import * # This widget can be embedded in any application that would like to # provide search features class SearchWidget(QWidget, qtlib.TaskWidget): '''Working copy and repository search widget''' showMessage = pyqtSignal(QString) progress = pyqtSignal(QString, object, QString, QString, object) revisionSelected = pyqtSignal(int) def __init__(self, upats, repo, parent=None, **opts): QWidget.__init__(self, parent) self.thread = None self.setWindowIcon(qtlib.geticon('view-filter')) mainvbox = QVBoxLayout() mainvbox.setSpacing(6) self.setLayout(mainvbox) hbox = QHBoxLayout() hbox.setMargin(2) le = QLineEdit() if hasattr(le, 'setPlaceholderText'): # Qt >= 4.7 le.setPlaceholderText(_('### regular expression search pattern ###')) else: lbl = QLabel(_('Regexp:')) lbl.setBuddy(le) hbox.addWidget(lbl) chk = QCheckBox(_('Ignore case')) bt = QPushButton(_('Search')) bt.setDefault(True) f = bt.font() f.setWeight(QFont.Bold) bt.setFont(f) cbt = QPushButton(_('Stop')) cbt.setEnabled(False) cbt.clicked.connect(self.stopClicked) hbox.addWidget(le, 1) hbox.addWidget(chk) hbox.addWidget(bt) hbox.addWidget(cbt) incle = QLineEdit() excle = QLineEdit() working = QRadioButton(_('Working Copy')) revision = QRadioButton(_('Revision')) history = QRadioButton(_('All History')) singlematch = QCheckBox(_('Report only the first match per file')) follow = QCheckBox(_('Follow copies and renames')) recurse = QCheckBox(_('Recurse into subrepositories')) revle = QLineEdit() grid = QGridLayout() grid.addWidget(working, 0, 0) grid.addWidget(recurse, 0, 1) grid.addWidget(history, 1, 0) grid.addWidget(revision, 2, 0) grid.addWidget(revle, 2, 1) grid.addWidget(singlematch, 0, 3) grid.addWidget(follow, 0, 4) ilabel = QLabel(_('Includes:')) ilabel.setBuddy(incle) elabel = QLabel(_('Excludes:')) elabel.setBuddy(excle) ehelpstr = _('Comma separated list of exclusion file patterns. ' 'Exclusion patterns are applied after inclusion patterns.') ihelpstr = _('Comma separated list of inclusion file patterns. ' 'By default, the entire repository is searched.') if hasattr(incle, 'setPlaceholderText'): # Qt >= 4.7 incle.setPlaceholderText(u' '.join([u'###', ihelpstr, u'###'])) else: incle.setToolTip(ihelpstr) if hasattr(excle, 'setPlaceholderText'): # Qt >= 4.7 excle.setPlaceholderText(u' '.join([u'###', ehelpstr, u'###'])) else: excle.setToolTip(ehelpstr) grid.addWidget(ilabel, 1, 2) grid.addWidget(incle, 1, 3, 1, 2) grid.addWidget(elabel, 2, 2) grid.addWidget(excle, 2, 3, 1, 2) grid.setColumnStretch(3, 1) grid.setColumnStretch(1, 0) frame = QFrame() frame.setFrameStyle(QFrame.StyledPanel) def revisiontoggled(checked): revle.setEnabled(checked) if checked: revle.selectAll() QTimer.singleShot(0, lambda:revle.setFocus()) revision.toggled.connect(revisiontoggled) history.toggled.connect(singlematch.setDisabled) revle.setEnabled(False) revle.returnPressed.connect(self.searchActivated) excle.returnPressed.connect(self.searchActivated) incle.returnPressed.connect(self.searchActivated) bt.clicked.connect(self.searchActivated) def updateRecurse(checked): try: wctx = repo[None] if '.hgsubstate' in wctx: recurse.setEnabled(checked) else: recurse.setEnabled(False) recurse.setChecked(False) except Exception: recurse.setEnabled(False) recurse.setChecked(False) working.toggled.connect(updateRecurse) recurse.setChecked(True) working.setChecked(True) def updatefollow(): slowpath = bool(incle.text() or excle.text()) follow.setEnabled(history.isChecked() and not slowpath) if slowpath: follow.setChecked(False) history.toggled.connect(updatefollow) incle.textChanged.connect(updatefollow) excle.textChanged.connect(updatefollow) updatefollow() mainvbox.addLayout(hbox) frame.setLayout(grid) mainvbox.addWidget(frame) tv = MatchTree(repo, self) tv.revisionSelected.connect(self.revisionSelected) tv.setColumnHidden(COL_REVISION, True) tv.setColumnHidden(COL_USER, True) mainvbox.addWidget(tv) le.returnPressed.connect(self.searchActivated) self.repo = repo self.tv, self.regexple, self.chk, self.recurse = tv, le, chk, recurse self.incle, self.excle, self.revle = incle, excle, revle self.wctxradio, self.ctxradio, self.aradio = working, revision, history self.singlematch, self.follow, self.eframe = singlematch, follow, frame self.searchbutton, self.cancelbutton = bt, cbt self.regexple.setFocus() if 'rev' in opts or 'all' in opts: self.setSearch(upats[0], **opts) elif len(upats) >= 1: le.setText(upats[0]) if len(upats) > 1: incle.setText(','.join(upats[1:])) chk.setChecked(opts.get('ignorecase', False)) repoid = str(repo[0]) s = QSettings() sh = list(s.value('grep/search-'+repoid).toStringList()) ph = list(s.value('grep/paths-'+repoid).toStringList()) self.pathshistory = [p for p in ph if p] self.searchhistory = [s for s in sh if s] self.setCompleters() mainvbox.setContentsMargins(2, 2, 2, 2) if parent: self.closeonesc = False else: self.setWindowTitle(_('TortoiseHg Search')) self.resize(800, 550) self.closeonesc = True self.stbar = cmdui.ThgStatusBar() mainvbox.addWidget(self.stbar) self.showMessage.connect(self.stbar.showMessage) self.progress.connect(self.stbar.progress) def setCompleters(self): comp = QCompleter(self.searchhistory, self) QShortcut(QKeySequence('CTRL+D'), comp.popup(), self.onSearchCompleterDelete) self.regexple.setCompleter(comp) comp = QCompleter(self.pathshistory, self) QShortcut(QKeySequence('CTRL+D'), comp.popup(), self.onPathCompleterDelete) self.incle.setCompleter(comp) self.excle.setCompleter(comp) def onSearchCompleterDelete(self): 'CTRL+D pressed in search completer popup window' text = self.regexple.completer().currentCompletion() if text and text in self.searchhistory: self.searchhistory.remove(text) self.setCompleters() self.showMessage.emit(_('"%s" removed from search history') % text) def onPathCompleterDelete(self): 'CTRL+D pressed in path completer popup window' text = self.incle.completer().currentCompletion() if text and text in self.pathshistory: self.pathshistory.remove(text) self.setCompleters() self.showMessage.emit(_('"%s" removed from path history') % text) def addHistory(self, search, incpaths, excpaths): if search: usearch = hglib.tounicode(search) if usearch in self.searchhistory: self.searchhistory.remove(usearch) self.searchhistory = [usearch] + self.searchhistory[:9] for p in incpaths + excpaths: up = hglib.tounicode(p) if up in self.pathshistory: self.pathshistory.remove(up) self.pathshistory = [up] + self.pathshistory[:9] self.setCompleters() def setRevision(self, rev): 'Repowidget is forwarding a selected revision' if isinstance(rev, int): self.revle.setText(str(rev)) def setSearch(self, upattern, **opts): self.regexple.setText(upattern) if opts.get('all'): self.aradio.setChecked(True) elif opts.get('rev'): self.ctxradio.setChecked(True) self.revle.setText(opts['rev']) def stopClicked(self): if self.thread and self.thread.isRunning(): self.thread.cancel() self.thread.wait(2000) def keyPressEvent(self, event): if event.key() == Qt.Key_Escape: if self.thread and self.thread.isRunning(): self.stopClicked() elif self.closeonesc: self.close() else: return super(SearchWidget, self).keyPressEvent(event) def canExit(self): 'Repowidget is closing, can we quit?' if self.thread and self.thread.isRunning(): return False return True def saveSettings(self, s): repoid = str(self.repo[0]) s.setValue('grep/search-'+repoid, self.searchhistory) s.setValue('grep/paths-'+repoid, self.pathshistory) def closeEvent(self, event): self.saveSettings(QSettings()) def searchActivated(self): 'User pressed [Return] in QLineEdit' if self.thread and self.thread.isRunning(): return model = self.tv.model() model.reset() pattern = hglib.fromunicode(self.regexple.text()) if not pattern: return try: icase = self.chk.isChecked() regexp = re.compile(pattern, icase and re.I or 0) except Exception, inst: msg = _('grep: invalid match pattern: %s\n') % \ hglib.tounicode(str(inst)) self.showMessage.emit(msg) return self.tv.setSortingEnabled(False) self.tv.pattern = pattern self.tv.icase = icase self.regexple.selectAll() inc = hglib.fromunicode(self.incle.text()) if inc: inc = inc.split(', ') exc = hglib.fromunicode(self.excle.text()) if exc: exc = exc.split(', ') rev = hglib.fromunicode(self.revle.text()).strip() self.addHistory(pattern, inc or [], exc or []) if self.wctxradio.isChecked(): self.tv.setColumnHidden(COL_REVISION, True) self.tv.setColumnHidden(COL_USER, True) ctx = self.repo[None] self.thread = CtxSearchThread(self.repo, regexp, ctx, inc, exc, self.singlematch.isChecked(), self.recurse.isChecked()) elif self.ctxradio.isChecked(): self.tv.setColumnHidden(COL_REVISION, True) self.tv.setColumnHidden(COL_USER, True) try: ctx = self.repo[rev or '.'] except error.RepoError, e: msg = _('grep: %s\n') % hglib.tounicode(str(e)) self.showMessage.emit(msg) return self.thread = CtxSearchThread(self.repo, regexp, ctx, inc, exc, self.singlematch.isChecked(), False) else: assert self.aradio.isChecked() self.tv.setColumnHidden(COL_REVISION, False) self.tv.setColumnHidden(COL_USER, False) self.thread = HistorySearchThread(self.repo, pattern, icase, inc, exc, follow=self.follow.isChecked()) self.showMessage.emit('') self.regexple.setEnabled(False) self.searchbutton.setEnabled(False) self.cancelbutton.setEnabled(True) self.thread.finished.connect(self.searchfinished) self.thread.showMessage.connect(self.showMessage) self.thread.progress.connect(self.progress) self.thread.matchedRow.connect( lambda wrapper: model.appendRow(*wrapper.data)) self.thread.start() def reload(self): # TODO pass def searchfinished(self): self.cancelbutton.setEnabled(False) self.searchbutton.setEnabled(True) self.regexple.setEnabled(True) self.regexple.setFocus() count = self.tv.model().rowCount(None) if count: for col in xrange(COL_TEXT): self.tv.resizeColumnToContents(col) self.tv.setSortingEnabled(True) if self.thread.completed == False: # do not overwrite error message on failure pass elif count: self.showMessage.emit(_('%d matches found') % count) else: self.showMessage.emit(_('No matches found')) class DataWrapper(object): def __init__(self, data): self.data = data class HistorySearchThread(QThread): '''Background thread for searching repository history''' matchedRow = pyqtSignal(DataWrapper) showMessage = pyqtSignal(unicode) progress = pyqtSignal(QString, object, QString, QString, object) def __init__(self, repo, pattern, icase, inc, exc, follow): super(HistorySearchThread, self).__init__() self.repo = hg.repository(repo.ui, repo.root) self.pattern = pattern self.icase = icase self.inc = inc self.exc = exc self.follow = follow self.completed = False def cancel(self): if self.isRunning() and hasattr(self, 'thread_id'): try: thread2._async_raise(self.thread_id, KeyboardInterrupt) except ValueError: pass def run(self): self.thread_id = int(QThread.currentThreadId()) def emitrow(row): w = DataWrapper(row) self.matchedRow.emit(w) def emitprog(topic, pos, item, unit, total): self.progress.emit(topic, pos, item, unit, total) class incrui(ui.ui): fullmsg = '' def write(self, msg, *args, **opts): self.fullmsg += msg if self.fullmsg.count('\0') >= 6: try: fname, line, rev, addremove, user, text, tail = \ self.fullmsg.split('\0', 6) text = hglib.tounicode(text) text = Qt.escape(text) text = '<b>%s</b> <span>%s</span>' % ( addremove, text[:-1]) row = [fname, rev, line, user, text] emitrow(row) except ValueError: pass self.fullmsg = tail def progress(topic, pos, item='', unit='', total=None): emitprog(topic, pos, item, unit, total) cwd = os.getcwd() os.chdir(self.repo.root) self.progress.emit(*cmdui.startProgress(_('Searching'), _('history'))) try: # hg grep [-i] -afn regexp opts = {'all':True, 'user':True, 'follow':self.follow, 'rev':[], 'line_number':True, 'print0':True, 'ignore_case':self.icase, 'include':self.inc, 'exclude':self.exc} u = incrui() commands.grep(u, self.repo, self.pattern, **opts) except Exception, e: self.showMessage.emit(str(e)) except KeyboardInterrupt: self.showMessage.emit(_('Interrupted')) self.progress.emit(*cmdui.stopProgress(_('Searching'))) os.chdir(cwd) self.completed = True class CtxSearchThread(QThread): '''Background thread for searching a changectx''' matchedRow = pyqtSignal(object) showMessage = pyqtSignal(unicode) progress = pyqtSignal(QString, object, QString, QString, object) def __init__(self, repo, regexp, ctx, inc, exc, once, recurse): super(CtxSearchThread, self).__init__() self.repo = hg.repository(repo.ui, repo.root) self.regexp = regexp self.ctx = ctx self.inc = inc self.exc = exc self.once = once self.recurse = recurse self.canceled = False self.completed = False def cancel(self): self.canceled = True def run(self): def badfn(f, msg): e = hglib.tounicode("%s: %s" % (matchfn.rel(f), msg)) self.showMessage.emit(e) self.hu = htmlui.htmlui() try: # generate match function relative to repo root matchfn = match.match(self.repo.root, '', [], self.inc, self.exc) matchfn.bad = badfn self.searchRepo(self.ctx, '', matchfn) self.completed = True except Exception, e: self.showMessage.emit(hglib.tounicode(str(e))) def searchRepo(self, ctx, prefix, matchfn): topic = _('Searching') unit = _('files') total = len(ctx.manifest()) count = 0 hasKbf = settings.hasExtension('kbfiles') for wfile in ctx: # walk manifest if self.canceled: break if hasKbf and thgrepo.isKbf(wfile): continue self.progress.emit(topic, count, wfile, unit, total) count += 1 if not matchfn(wfile): continue try: data = ctx[wfile].data() # load file data except EnvironmentError: self.showMessage.emit(_('Skipping %s, unable to read') % hglib.tounicode(wfile)) continue if util.binary(data): continue for i, line in enumerate(data.splitlines()): pos = 0 for m in self.regexp.finditer(line): # perform regexp self.hu.write(line[pos:m.start()], label='ui.status') self.hu.write(line[m.start():m.end()], label='grep.match') pos = m.end() if pos: self.hu.write(line[pos:], label='ui.status') path = os.path.join(prefix, wfile) row = [path, i + 1, ctx.rev(), None, hglib.tounicode(self.hu.getdata()[0])] w = DataWrapper(row) self.matchedRow.emit(w) if self.once: break self.progress.emit(topic, None, '', '', None) if ctx.rev() is None and self.recurse: for s in ctx.substate: if not matchfn(s): continue sub = ctx.sub(s) if isinstance(sub, subrepo.hgsubrepo): newprefix = os.path.join(prefix, s) self.searchRepo(sub._repo[None], newprefix, lambda x: True) COL_PATH = 0 COL_LINE = 1 COL_REVISION = 2 # Hidden if ctx COL_USER = 3 # Hidden if ctx COL_TEXT = 4 class MatchTree(QTableView): revisionSelected = pyqtSignal(int) contextmenu = None def __init__(self, repo, parent): QTableView.__init__(self, parent) self.repo = repo self.pattern = None self.icase = False self.embedded = parent.parent() is not None self.selectedRows = () self.delegate = htmldelegate.HTMLDelegate(self) self.setItemDelegateForColumn(COL_TEXT, self.delegate) self.setSelectionMode(QTableView.ExtendedSelection) self.setSelectionBehavior(QAbstractItemView.SelectRows) self.setContextMenuPolicy(Qt.CustomContextMenu) self.setShowGrid(False) vh = self.verticalHeader() vh.hide() vh.setDefaultSectionSize(20) self.horizontalHeader().setStretchLastSection(True) self.actions = {} self.contextmenu = QMenu(self) for key, name, func, shortcut in ( ('edit', _('View file'), self.onViewFile, 'CTRL+E'), ('ctx', _('View Changeset'), self.onViewChangeset, 'CTRL+V'), ('vdiff', _('Visual Diff'), self.onVisualDiff, 'CTRL+D'), ('ann', _('Annotate file'), self.onAnnotateFile, 'CTRL+F')): action = QAction(name, self) action.triggered.connect(func) action.setShortcut(QKeySequence(shortcut)) self.actions[key] = action self.addAction(action) self.contextmenu.addAction(action) self.activated.connect(self.onRowActivated) self.customContextMenuRequested.connect(self.menuRequest) self.setModel(MatchModel(self)) self.selectionModel().selectionChanged.connect(self.onSelectionChanged) def dragObject(self): snapshots = {} for index in self.selectionModel().selectedRows(): path, line, rev, user, text = self.model().getRow(index) if rev not in snapshots: snapshots[rev] = [path] else: snapshots[rev].append(path) urls = [] for rev, paths in snapshots.iteritems(): if rev is not None: base, _ = visdiff.snapshot(self.repo, paths, self.repo[rev]) else: base = self.repo.root for p in paths: urls.append(QUrl.fromLocalFile(os.path.join(base, path))) if urls: d = QDrag(self) m = QMimeData() m.setUrls(urls) d.setMimeData(m) d.start(Qt.CopyAction) def mousePressEvent(self, event): self.pressPos = event.pos() self.pressTime = QTime.currentTime() return QTableView.mousePressEvent(self, event) def mouseMoveEvent(self, event): d = event.pos() - self.pressPos if d.manhattanLength() < QApplication.startDragDistance(): return QTableView.mouseMoveEvent(self, event) elapsed = self.pressTime.msecsTo(QTime.currentTime()) if elapsed < QApplication.startDragTime(): return QTableView.mouseMoveEvent(self, event) self.dragObject() return QTableView.mouseMoveEvent(self, event) def menuRequest(self, point): if not self.selectionModel().selectedRows(): return point = self.viewport().mapToGlobal(point) self.contextmenu.exec_(point) def onSelectionChanged(self, selected, deselected): selrows = [] wctxonly = True allhistory = False for index in self.selectionModel().selectedRows(): path, line, rev, user, text = self.model().getRow(index) if rev is not None: wctxonly = False if user is not None: allhistory = True selrows.append((rev, path, line)) self.selectedRows = selrows self.actions['ctx'].setEnabled(not wctxonly and self.embedded) self.actions['vdiff'].setEnabled(allhistory) def onRowActivated(self, index): saved = self.selectedRows path, line, rev, user, text = self.model().getRow(index) self.selectedRows = [(rev, path, line)] self.onAnnotateFile() self.selectedRows = saved def onAnnotateFile(self): from tortoisehg.hgqt.manifestdialog import run from tortoisehg.hgqt.run import qtrun repo, ui, pattern, icase = self.repo, self.repo.ui, self.pattern, self.icase seen = set() for rev, path, line in self.selectedRows: # Only open one annotate instance per file if path in seen: continue else: seen.add(path) if rev is None and path not in repo[None]: abs = repo.wjoin(path) root = paths.find_root(abs) if root and abs.startswith(root): path = abs[len(root)+1:] if rev is None: rev = repo['.'].rev() srepo = thgrepo.repository(None, root) opts = {'repo': srepo, 'canonpath' : path, 'rev' : rev, 'line': line, 'pattern': pattern, 'ignorecase': icase} qtrun(run, ui, **opts) else: continue else: if rev is None: rev = repo['.'].rev() opts = {'repo': repo, 'canonpath' : path, 'rev' : rev, 'line': line, 'pattern': pattern, 'ignorecase': icase} qtrun(run, ui, **opts) def onViewChangeset(self): for rev, path, line in self.selectedRows: self.revisionSelected.emit(int(rev)) return def onViewFile(self): repo, ui, pattern = self.repo, self.repo.ui, self.pattern seen = set() for rev, path, line in self.selectedRows: # Only open one editor instance per file if path in seen: continue else: seen.add(path) if rev is None: qtlib.editfiles(repo, [path], line, pattern, self) else: base, _ = visdiff.snapshot(repo, [path], repo[rev]) files = [os.path.join(base, path)] qtlib.editfiles(repo, files, line, pattern, self) def onVisualDiff(self): rows = self.selectedRows[:] repo, ui = self.repo, self.repo.ui while rows: defer = [] crev = rows[0][0] files = set([rows[0][1]]) for rev, path, line in rows[1:]: if rev == crev: files.add(path) else: defer.append([rev, path, line]) if crev is not None: dlg = visdiff.visualdiff(ui, repo, list(files), {'change':crev}) if dlg: dlg.exec_() rows = defer class MatchModel(QAbstractTableModel): def __init__(self, parent): QAbstractTableModel.__init__(self, parent) self.rows = [] self.headers = (_('File'), _('Line'), _('Rev'), _('User'), _('Match Text')) def rowCount(self, parent): return len(self.rows) def columnCount(self, parent): return len(self.headers) def data(self, index, role): if not index.isValid(): return QVariant() if role == Qt.DisplayRole: return QVariant(self.rows[index.row()][index.column()]) return QVariant() def headerData(self, col, orientation, role): if role != Qt.DisplayRole or orientation != Qt.Horizontal: return QVariant() else: return QVariant(self.headers[col]) def flags(self, index): flags = Qt.ItemIsSelectable | Qt.ItemIsEnabled | Qt.ItemIsDragEnabled return flags def sort(self, col, order): self.layoutAboutToBeChanged.emit() self.rows.sort(lambda x, y: cmp(x[col], y[col])) if order == Qt.DescendingOrder: self.rows.reverse() self.layoutChanged.emit() ## Custom methods def appendRow(self, *args): l = len(self.rows) self.beginInsertRows(QModelIndex(), l, l) self.rows.append(args) self.endInsertRows() self.layoutChanged.emit() def reset(self): self.beginRemoveRows(QModelIndex(), 0, len(self.rows)-1) self.rows = [] self.endRemoveRows() self.layoutChanged.emit() def getRow(self, index): assert index.isValid() return self.rows[index.row()] def run(ui, *pats, **opts): repo = thgrepo.repository(ui, path=paths.find_root()) upats = [hglib.tounicode(p) for p in pats] return SearchWidget(upats, repo, **opts)