/eric4-4.4.19/eric/Plugins/VcsPlugins/vcsPySvn/SvnDiffDialog.py
Python | 367 lines | 309 code | 21 blank | 37 comment | 23 complexity | 7a06c768c498880ee140290f4ef54179 MD5 | raw file
Possible License(s): GPL-3.0, LGPL-2.1, BSD-2-Clause
- # -*- coding: utf-8 -*-
- # Copyright (c) 2003 - 2011 Detlev Offenbach <detlev@die-offenbachs.de>
- #
- """
- Module implementing a dialog to show the output of the svn diff command process.
- """
- import os
- import sys
- import types
- import pysvn
- from PyQt4.QtCore import *
- from PyQt4.QtGui import *
- from KdeQt import KQFileDialog, KQMessageBox
- from KdeQt.KQApplication import e4App
- from SvnDialogMixin import SvnDialogMixin
- from Ui_SvnDiffDialog import Ui_SvnDiffDialog
- import Utilities
- class SvnDiffDialog(QWidget, SvnDialogMixin, Ui_SvnDiffDialog):
- """
- Class implementing a dialog to show the output of the svn diff command.
- """
- def __init__(self, vcs, parent = None):
- """
- Constructor
-
- @param vcs reference to the vcs object
- @param parent parent widget (QWidget)
- """
- QWidget.__init__(self, parent)
- self.setupUi(self)
- SvnDialogMixin.__init__(self)
-
- self.buttonBox.button(QDialogButtonBox.Save).setEnabled(False)
- self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
- self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
-
- self.vcs = vcs
-
- if Utilities.isWindowsPlatform():
- self.contents.setFontFamily("Lucida Console")
- else:
- self.contents.setFontFamily("Monospace")
-
- self.cNormalFormat = self.contents.currentCharFormat()
- self.cAddedFormat = self.contents.currentCharFormat()
- self.cAddedFormat.setBackground(QBrush(QColor(190, 237, 190)))
- self.cRemovedFormat = self.contents.currentCharFormat()
- self.cRemovedFormat.setBackground(QBrush(QColor(237, 190, 190)))
- self.cLineNoFormat = self.contents.currentCharFormat()
- self.cLineNoFormat.setBackground(QBrush(QColor(255, 220, 168)))
-
- self.client = self.vcs.getClient()
- self.client.callback_cancel = \
- self._clientCancelCallback
- self.client.callback_get_login = \
- self._clientLoginCallback
- self.client.callback_ssl_server_trust_prompt = \
- self._clientSslServerTrustPromptCallback
-
- def __getVersionArg(self, version):
- """
- Private method to get a pysvn revision object for the given version number.
-
- @param version revision (integer or string)
- @return revision object (pysvn.Revision)
- """
- if type(version) == type(1) or type(version) == type(1L):
- return pysvn.Revision(pysvn.opt_revision_kind.number, version)
- elif version.startswith("{"):
- dateStr = version[1:-1]
- secs = QDateTime.fromString(dateStr, Qt.ISODate).toTime_t()
- return pysvn.Revision(pysvn.opt_revision_kind.date, secs)
- elif version == "HEAD":
- return pysvn.Revision(pysvn.opt_revision_kind.head)
- elif version == "COMMITTED":
- return pysvn.Revision(pysvn.opt_revision_kind.committed)
- elif version == "BASE":
- return pysvn.Revision(pysvn.opt_revision_kind.base)
- elif version == "WORKING":
- return pysvn.Revision(pysvn.opt_revision_kind.working)
- elif version == "PREV":
- return pysvn.Revision(pysvn.opt_revision_kind.previous)
- else:
- return pysvn.Revision(pysvn.opt_revision_kind.unspecified)
-
- def __getDiffSummaryKind(self, summaryKind):
- """
- Private method to get a string descripion of the diff summary.
-
- @param summaryKind (pysvn.diff_summarize.summarize_kind)
- @return one letter string indicating the change type (QString)
- """
- if summaryKind == pysvn.diff_summarize_kind.delete:
- return "D"
- elif summaryKind == pysvn.diff_summarize_kind.modified:
- return "M"
- elif summaryKind == pysvn.diff_summarize_kind.added:
- return "A"
- elif summaryKind == pysvn.diff_summarize_kind.normal:
- return "N"
- else:
- return " "
-
- def start(self, fn, versions = None, urls = None, summary = False, pegRev = None):
- """
- Public slot to start the svn diff command.
-
- @param fn filename to be diffed (string)
- @param versions list of versions to be diffed (list of up to 2 integer or None)
- @keyparam urls list of repository URLs (list of 2 strings)
- @keyparam summary flag indicating a summarizing diff
- (only valid for URL diffs) (boolean)
- @keyparam pegRev revision number the filename is valid (integer)
- """
- self.buttonBox.button(QDialogButtonBox.Save).setEnabled(False)
- self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
- self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(True)
- self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
-
- self._reset()
- self.errorGroup.hide()
-
- QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
- QApplication.processEvents()
- self.filename = fn
-
- self.contents.clear()
- self.paras = 0
-
- if Utilities.hasEnvironmentEntry('TEMP'):
- tmpdir = Utilities.getEnvironmentEntry('TEMP')
- elif Utilities.hasEnvironmentEntry('TMPDIR'):
- tmpdir = Utilities.getEnvironmentEntry('TMPDIR')
- elif Utilities.hasEnvironmentEntry('TMP'):
- tmpdir = Utilities.getEnvironmentEntry('TMP')
- elif os.path.exists('/var/tmp'):
- tmpdir = '/var/tmp'
- elif os.path.exists('/usr/tmp'):
- tmpdir = '/usr/tmp'
- elif os.path.exists('/tmp'):
- tmpdir = '/tmp'
- else:
- KQMessageBox.critical(self,
- self.trUtf8("Subversion Diff"),
- self.trUtf8("""There is no temporary directory available."""))
- return
-
- tmpdir = os.path.join(tmpdir, 'svn_tmp')
- if not os.path.exists(tmpdir):
- os.mkdir(tmpdir)
-
- opts = self.vcs.options['global'] + self.vcs.options['diff']
- recurse = "--non-recursive" not in opts
-
- if versions is not None:
- self.raise_()
- self.activateWindow()
- rev1 = self.__getVersionArg(versions[0])
- if len(versions) == 1:
- rev2 = self.__getVersionArg("WORKING")
- else:
- rev2 = self.__getVersionArg(versions[1])
- else:
- rev1 = self.__getVersionArg("BASE")
- rev2 = self.__getVersionArg("WORKING")
-
- if urls is not None:
- rev1 = self.__getVersionArg("HEAD")
- rev2 = self.__getVersionArg("HEAD")
-
- if type(fn) is types.ListType:
- dname, fnames = self.vcs.splitPathList(fn)
- else:
- dname, fname = self.vcs.splitPath(fn)
- fnames = [fname]
-
- locker = QMutexLocker(self.vcs.vcsExecutionMutex)
- cwd = os.getcwd()
- os.chdir(dname)
- try:
- ppath = e4App().getObject('Project').getProjectPath()
- dname = dname.replace(ppath, '')
- if dname:
- dname += "/"
- for name in fnames:
- self.__showError(self.trUtf8("Processing file '%1'...\n").arg(name))
- if urls is not None:
- url1 = "%s/%s%s" % (urls[0], dname, name)
- url2 = "%s/%s%s" % (urls[1], dname, name)
- if summary:
- diff_summary = self.client.diff_summarize(\
- url1, revision1 = rev1,
- url_or_path2 = url2, revision2 = rev2,
- recurse = recurse)
- diff_list = []
- for diff_sum in diff_summary:
- diff_list.append("%s %s" % \
- (self.__getDiffSummaryKind(diff_sum['summarize_kind']),
- diff_sum['path']))
- diffText = os.linesep.join(diff_list)
- else:
- diffText = self.client.diff(tmpdir,
- url1, revision1 = rev1,
- url_or_path2 = url2, revision2 = rev2,
- recurse = recurse)
- else:
- if pegRev is not None:
- diffText = self.client.diff_peg(tmpdir, name,
- peg_revision = self.__getVersionArg(pegRev),
- revision_start = rev1, revision_end = rev2, recurse = recurse)
- else:
- diffText = self.client.diff(tmpdir, name,
- revision1 = rev1, revision2 = rev2, recurse = recurse)
- counter = 0
- for line in diffText.splitlines():
- self.__appendText("%s%s" % (line, os.linesep))
- counter += 1
- if counter == 30:
- # check for cancel every 30 lines
- counter = 0
- if self._clientCancelCallback():
- break
- if self._clientCancelCallback():
- break
- except pysvn.ClientError, e:
- self.__showError(e.args[0])
- locker.unlock()
- os.chdir(cwd)
- self.__finish()
-
- if self.paras == 0:
- self.contents.insertPlainText(\
- self.trUtf8('There is no difference.'))
- return
-
- self.buttonBox.button(QDialogButtonBox.Save).setEnabled(True)
-
- def __appendText(self, line):
- """
- Private method to append text to the end of the contents pane.
-
- @param line line of text to insert (string)
- """
- if line.startswith('+') or line.startswith('>') or line.startswith('A '):
- format = self.cAddedFormat
- elif line.startswith('-') or line.startswith('<') or line.startswith('D '):
- format = self.cRemovedFormat
- elif line.startswith('@@'):
- format = self.cLineNoFormat
- else:
- format = self.cNormalFormat
-
- tc = self.contents.textCursor()
- tc.movePosition(QTextCursor.End)
- self.contents.setTextCursor(tc)
- self.contents.setCurrentCharFormat(format)
- self.contents.insertPlainText(line)
- self.paras += 1
-
- def __finish(self):
- """
- Private slot called when the user pressed the button.
- """
- QApplication.restoreOverrideCursor()
-
- self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False)
- self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True)
- self.buttonBox.button(QDialogButtonBox.Close).setDefault(True)
-
- tc = self.contents.textCursor()
- tc.movePosition(QTextCursor.Start)
- self.contents.setTextCursor(tc)
- self.contents.ensureCursorVisible()
-
- self._cancel()
-
- def on_buttonBox_clicked(self, button):
- """
- Private slot called by a button of the button box clicked.
-
- @param button button that was clicked (QAbstractButton)
- """
- if button == self.buttonBox.button(QDialogButtonBox.Close):
- self.close()
- elif button == self.buttonBox.button(QDialogButtonBox.Cancel):
- self.__finish()
- elif button == self.buttonBox.button(QDialogButtonBox.Save):
- self.on_saveButton_clicked()
-
- @pyqtSignature("")
- def on_saveButton_clicked(self):
- """
- Private slot to handle the Save button press.
-
- It saves the diff shown in the dialog to a file in the local
- filesystem.
- """
- if type(self.filename) is types.ListType:
- if len(self.filename) > 1:
- fname = self.vcs.splitPathList(self.filename)[0]
- else:
- dname, fname = self.vcs.splitPath(self.filename[0])
- if fname != '.':
- fname = "%s.diff" % self.filename[0]
- else:
- fname = dname
- else:
- fname = self.vcs.splitPath(self.filename)[0]
-
- selectedFilter = QString("")
- fname = KQFileDialog.getSaveFileName(\
- self,
- self.trUtf8("Save Diff"),
- fname,
- self.trUtf8("Patch Files (*.diff)"),
- selectedFilter,
- QFileDialog.Options(QFileDialog.DontConfirmOverwrite))
-
- if fname.isEmpty():
- return
-
- ext = QFileInfo(fname).suffix()
- if ext.isEmpty():
- ex = selectedFilter.section('(*',1,1).section(')',0,0)
- if not ex.isEmpty():
- fname.append(ex)
- if QFileInfo(fname).exists():
- res = KQMessageBox.warning(self,
- self.trUtf8("Save Diff"),
- self.trUtf8("<p>The patch file <b>%1</b> already exists.</p>")
- .arg(fname),
- QMessageBox.StandardButtons(\
- QMessageBox.Abort | \
- QMessageBox.Save),
- QMessageBox.Abort)
- if res != QMessageBox.Save:
- return
- fname = unicode(Utilities.toNativeSeparators(fname))
-
- try:
- f = open(fname, "wb")
- f.write(unicode(self.contents.toPlainText()))
- f.close()
- except IOError, why:
- KQMessageBox.critical(self, self.trUtf8('Save Diff'),
- self.trUtf8('<p>The patch file <b>%1</b> could not be saved.'
- '<br>Reason: %2</p>')
- .arg(unicode(fname)).arg(unicode(why)))
-
- def __showError(self, msg):
- """
- Private slot to show an error message.
-
- @param msg error message to show (string or QString)
- """
- self.errorGroup.show()
- self.errors.insertPlainText(msg)
- self.errors.ensureCursorVisible()