Mercurial Repositories > eric / file comparison
comparison: Plugins/VcsPlugins/vcsMercurial/HgLogDialog.py
Plugins/VcsPlugins/vcsMercurial/HgLogDialog.py
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a dialog to show the output of the hg log command process. | |
| 8 """ | |
| 9 | |
| 10 import os | |
| 11 | |
| 12 from PyQt4.QtCore import pyqtSlot, QProcess, SIGNAL, QTimer, QUrl, QByteArray | |
| 13 from PyQt4.QtGui import QWidget, QDialogButtonBox, QApplication, QMessageBox, \ | |
| 14 QLineEdit, QTextCursor | |
| 15 | |
| 16 from .Ui_HgLogDialog import Ui_HgLogDialog | |
| 17 from .HgDiffDialog import HgDiffDialog | |
| 18 | |
| 19 import Utilities | |
| 20 import Preferences | |
| 21 | |
| 22 class HgLogDialog(QWidget, Ui_HgLogDialog): | |
| 23 """ | |
| 24 Class implementing a dialog to show the output of the hg log command process. | |
| 25 | |
| 26 The dialog is nonmodal. Clicking a link in the upper text pane shows | |
| 27 a diff of the revisions. | |
| 28 """ | |
| 29 def __init__(self, vcs, mode = "log", parent = None): | |
| 30 """ | |
| 31 Constructor | |
| 32 | |
| 33 @param vcs reference to the vcs object | |
| 34 @param mode mode of the dialog (string, one of log, incoming, outgoing) | |
| 35 @param parent parent widget (QWidget) | |
| 36 """ | |
| 37 QWidget.__init__(self, parent) | |
| 38 self.setupUi(self) | |
| 39 | |
| 40 self.buttonBox.button(QDialogButtonBox.Close).setDefault(True) | |
| 41 | |
| 42 self.process = QProcess() | |
| 43 self.vcs = vcs | |
| 44 if mode in ("log", "incoming", "outgoing"): | |
| 45 self.mode = mode | |
| 46 else: | |
| 47 self.mode = "log" | |
| 48 | |
| 49 self.contents.setHtml(\ | |
| 50 self.trUtf8('<b>Processing your request, please wait...</b>')) | |
| 51 | |
| 52 self.connect(self.process, SIGNAL('finished(int, QProcess::ExitStatus)'), | |
| 53 self.__procFinished) | |
| 54 self.connect(self.process, SIGNAL('readyReadStandardOutput()'), | |
| 55 self.__readStdout) | |
| 56 self.connect(self.process, SIGNAL('readyReadStandardError()'), | |
| 57 self.__readStderr) | |
| 58 | |
| 59 self.connect(self.contents, SIGNAL('anchorClicked(const QUrl&)'), | |
| 60 self.__sourceChanged) | |
| 61 | |
| 62 self.revisions = [] # stack of remembered revisions | |
| 63 self.revString = self.trUtf8('Revision') | |
| 64 | |
| 65 self.buf = [] # buffer for stdout | |
| 66 self.diff = None | |
| 67 | |
| 68 def closeEvent(self, e): | |
| 69 """ | |
| 70 Private slot implementing a close event handler. | |
| 71 | |
| 72 @param e close event (QCloseEvent) | |
| 73 """ | |
| 74 if self.process is not None and \ | |
| 75 self.process.state() != QProcess.NotRunning: | |
| 76 self.process.terminate() | |
| 77 QTimer.singleShot(2000, self.process.kill) | |
| 78 self.process.waitForFinished(3000) | |
| 79 | |
| 80 e.accept() | |
| 81 | |
| 82 def start(self, fn, noEntries = 0): | |
| 83 """ | |
| 84 Public slot to start the hg log command. | |
| 85 | |
| 86 @param fn filename to show the log for (string) | |
| 87 @param noEntries number of entries to show (integer) | |
| 88 """ | |
| 89 self.errorGroup.hide() | |
| 90 QApplication.processEvents() | |
| 91 | |
| 92 self.intercept = False | |
| 93 self.filename = fn | |
| 94 self.dname, self.fname = self.vcs.splitPath(fn) | |
| 95 | |
| 96 # find the root of the repo | |
| 97 repodir = self.dname | |
| 98 while not os.path.isdir(os.path.join(repodir, self.vcs.adminDir)): | |
| 99 repodir = os.path.dirname(repodir) | |
| 100 if repodir == os.sep: | |
| 101 return | |
| 102 | |
| 103 self.process.kill() | |
| 104 | |
| 105 self.activateWindow() | |
| 106 self.raise_() | |
| 107 | |
| 108 args = [] | |
| 109 args.append(self.mode) | |
| 110 self.vcs.addArguments(args, self.vcs.options['global']) | |
| 111 self.vcs.addArguments(args, self.vcs.options['log']) | |
| 112 if noEntries: | |
| 113 args.append('--limit') | |
| 114 args.append(str(noEntries)) | |
| 115 args.append('--template') | |
| 116 args.append("change|{rev}:{node|short}\n" | |
| 117 "branches|{branches}\n" | |
| 118 "tags|{tags}\n" | |
| 119 "parents|{parents}\n" | |
| 120 "user|{author}\n" | |
| 121 "date|{date|isodate}\n" | |
| 122 "description|{desc}\n" | |
| 123 "file_adds|{file_adds}\n" | |
| 124 "files_mods|{file_mods}\n" | |
| 125 "file_dels|{file_dels}\n" | |
| 126 "@@@\n") | |
| 127 if self.fname != "." or self.dname != repodir: | |
| 128 args.append(self.filename) | |
| 129 | |
| 130 self.process.setWorkingDirectory(repodir) | |
| 131 | |
| 132 self.process.start('hg', args) | |
| 133 procStarted = self.process.waitForStarted() | |
| 134 if not procStarted: | |
| 135 self.inputGroup.setEnabled(False) | |
| 136 QMessageBox.critical(None, | |
| 137 self.trUtf8('Process Generation Error'), | |
| 138 self.trUtf8( | |
| 139 'The process {0} could not be started. ' | |
| 140 'Ensure, that it is in the search path.' | |
| 141 ).format('hg')) | |
| 142 | |
| 143 def __procFinished(self, exitCode, exitStatus): | |
| 144 """ | |
| 145 Private slot connected to the finished signal. | |
| 146 | |
| 147 @param exitCode exit code of the process (integer) | |
| 148 @param exitStatus exit status of the process (QProcess.ExitStatus) | |
| 149 """ | |
| 150 self.inputGroup.setEnabled(False) | |
| 151 self.inputGroup.hide() | |
| 152 | |
| 153 self.contents.clear() | |
| 154 | |
| 155 if not self.buf: | |
| 156 self.errors.append(self.trUtf8("No log available for '{0}'")\ | |
| 157 .format(self.filename)) | |
| 158 self.errorGroup.show() | |
| 159 return | |
| 160 | |
| 161 hasInitialText = 0 # three states flag (-1, 0, 1) | |
| 162 lvers = 1 | |
| 163 for s in self.buf: | |
| 164 if s == "@@@\n": | |
| 165 self.contents.insertHtml('</p>{0}<br/>\n'.format(80 * "=")) | |
| 166 else: | |
| 167 try: | |
| 168 key, value = s.split("|", 1) | |
| 169 except ValueError: | |
| 170 key = "" | |
| 171 value = s | |
| 172 if key == "change": | |
| 173 if hasInitialText == 1: | |
| 174 self.contents.insertHtml('{0}<br/>\n'.format(80 * "=")) | |
| 175 hasInitialText = -1 | |
| 176 rev, hexRev = value.split(":") | |
| 177 dstr = '<p><b>{0} {1}</b>'.format(self.revString, value) | |
| 178 try: | |
| 179 lv = self.revisions[lvers] | |
| 180 lvers += 1 | |
| 181 url = QUrl() | |
| 182 url.setScheme("file") | |
| 183 url.setPath(self.filename) | |
| 184 query = QByteArray() | |
| 185 query.append(lv.split(":")[0]).append('_').append(rev) | |
| 186 url.setEncodedQuery(query) | |
| 187 dstr += ' [<a href="{0}" name="{1}" id="{1}">{2}</a>]'.format( | |
| 188 url.toString(), | |
| 189 str(query, encoding="ascii"), | |
| 190 self.trUtf8('diff to {0}').format(lv), | |
| 191 ) | |
| 192 except IndexError: | |
| 193 pass | |
| 194 dstr += '<br />\n' | |
| 195 self.contents.insertHtml(dstr) | |
| 196 elif key == "branches": | |
| 197 if value.strip(): | |
| 198 self.contents.insertHtml(self.trUtf8("Branches: {0}<br />\n")\ | |
| 199 .format(value.strip())) | |
| 200 elif key == "tags": | |
| 201 if value.strip(): | |
| 202 self.contents.insertHtml(self.trUtf8("Tags: {0}<br />\n")\ | |
| 203 .format(value.strip())) | |
| 204 elif key == "parents": | |
| 205 if value.strip(): | |
| 206 self.contents.insertHtml(self.trUtf8("Parents: {0}<br />\n")\ | |
| 207 .format(value.strip())) | |
| 208 elif key == "user": | |
| 209 dstr = self.contents.insertHtml( | |
| 210 self.trUtf8('<i>Author: {0}</i><br />\n').format(value.strip())) | |
| 211 elif key == "date": | |
| 212 date, time = value.strip().split()[:2] | |
| 213 dstr = self.contents.insertHtml( | |
| 214 self.trUtf8('<i>Date: {0}, {1}</i><br />\n')\ | |
| 215 .format(date, time)) | |
| 216 elif key == "description": | |
| 217 self.contents.insertHtml(Utilities.html_encode(value.strip())) | |
| 218 self.contents.insertHtml('<br />\n') | |
| 219 elif key == "file_adds": | |
| 220 if value.strip(): | |
| 221 self.contents.insertHtml('<br />\n') | |
| 222 for f in value.strip().split(): | |
| 223 self.contents.insertHtml( | |
| 224 self.trUtf8('Added {0}<br />\n')\ | |
| 225 .format(Utilities.html_encode(f))) | |
| 226 elif key == "files_mods": | |
| 227 if value.strip(): | |
| 228 self.contents.insertHtml('<br />\n') | |
| 229 for f in value.strip().split(): | |
| 230 self.contents.insertHtml( | |
| 231 self.trUtf8('Modified {0}<br />\n')\ | |
| 232 .format(Utilities.html_encode(f))) | |
| 233 elif key == "file_dels": | |
| 234 if value.strip(): | |
| 235 self.contents.insertHtml('<br />\n') | |
| 236 for f in value.strip().split(): | |
| 237 self.contents.insertHtml( | |
| 238 self.trUtf8('Deleted {0}<br />\n')\ | |
| 239 .format(Utilities.html_encode(f))) | |
| 240 else: | |
| 241 if value.strip(): | |
| 242 self.contents.insertHtml(Utilities.html_encode(value.strip())) | |
| 243 self.contents.insertHtml('<br />\n') | |
| 244 if hasInitialText == 0: | |
| 245 hasInitialText = 1 | |
| 246 | |
| 247 tc = self.contents.textCursor() | |
| 248 tc.movePosition(QTextCursor.Start) | |
| 249 self.contents.setTextCursor(tc) | |
| 250 self.contents.ensureCursorVisible() | |
| 251 | |
| 252 def __readStdout(self): | |
| 253 """ | |
| 254 Private slot to handle the readyReadStandardOutput signal. | |
| 255 | |
| 256 It reads the output of the process and inserts it into a buffer. | |
| 257 """ | |
| 258 self.process.setReadChannel(QProcess.StandardOutput) | |
| 259 | |
| 260 while self.process.canReadLine(): | |
| 261 line = str(self.process.readLine(), | |
| 262 Preferences.getSystem("IOEncoding"), | |
| 263 'replace') | |
| 264 self.buf.append(line) | |
| 265 | |
| 266 if line.startswith("change|"): | |
| 267 ver = line[7:] | |
| 268 # save revision number for later use | |
| 269 self.revisions.append(ver) | |
| 270 | |
| 271 def __readStderr(self): | |
| 272 """ | |
| 273 Private slot to handle the readyReadStandardError signal. | |
| 274 | |
| 275 It reads the error output of the process and inserts it into the | |
| 276 error pane. | |
| 277 """ | |
| 278 if self.process is not None: | |
| 279 self.errorGroup.show() | |
| 280 s = str(self.process.readAllStandardError(), | |
| 281 Preferences.getSystem("IOEncoding"), | |
| 282 'replace') | |
| 283 self.errors.insertPlainText(s) | |
| 284 self.errors.ensureCursorVisible() | |
| 285 | |
| 286 def __sourceChanged(self, url): | |
| 287 """ | |
| 288 Private slot to handle the sourceChanged signal of the contents pane. | |
| 289 | |
| 290 @param url the url that was clicked (QUrl) | |
| 291 """ | |
| 292 filename = url.path() | |
| 293 if Utilities.isWindowsPlatform(): | |
| 294 if filename.startswith("/"): | |
| 295 filename = filename[1:] | |
| 296 ver = bytes(url.encodedQuery()).decode() | |
| 297 v1, v2 = ver.split('_') | |
| 298 if v1 == "" or v2 == "": | |
| 299 return | |
| 300 self.contents.scrollToAnchor(ver) | |
| 301 | |
| 302 if self.diff: | |
| 303 del self.diff | |
| 304 self.diff = HgDiffDialog(self.vcs) | |
| 305 self.diff.show() | |
| 306 self.diff.start(filename, [v1, v2]) | |
| 307 | |
| 308 def on_passwordCheckBox_toggled(self, isOn): | |
| 309 """ | |
| 310 Private slot to handle the password checkbox toggled. | |
| 311 | |
| 312 @param isOn flag indicating the status of the check box (boolean) | |
| 313 """ | |
| 314 if isOn: | |
| 315 self.input.setEchoMode(QLineEdit.Password) | |
| 316 else: | |
| 317 self.input.setEchoMode(QLineEdit.Normal) | |
| 318 | |
| 319 @pyqtSlot() | |
| 320 def on_sendButton_clicked(self): | |
| 321 """ | |
| 322 Private slot to send the input to the hg process. | |
| 323 """ | |
| 324 input = self.input.text() | |
| 325 input += os.linesep | |
| 326 | |
| 327 if self.passwordCheckBox.isChecked(): | |
| 328 self.errors.insertPlainText(os.linesep) | |
| 329 self.errors.ensureCursorVisible() | |
| 330 else: | |
| 331 self.errors.insertPlainText(input) | |
| 332 self.errors.ensureCursorVisible() | |
| 333 | |
| 334 self.process.write(input) | |
| 335 | |
| 336 self.passwordCheckBox.setChecked(False) | |
| 337 self.input.clear() | |
| 338 | |
| 339 def on_input_returnPressed(self): | |
| 340 """ | |
| 341 Private slot to handle the press of the return key in the input field. | |
| 342 """ | |
| 343 self.intercept = True | |
| 344 self.on_sendButton_clicked() | |
| 345 | |
| 346 def keyPressEvent(self, evt): | |
| 347 """ | |
| 348 Protected slot to handle a key press event. | |
| 349 | |
| 350 @param evt the key press event (QKeyEvent) | |
| 351 """ | |
| 352 if self.intercept: | |
| 353 self.intercept = False | |
| 354 evt.accept() | |
| 355 return | |
| 356 QWidget.keyPressEvent(self, evt) |
