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# utils.py ---
#
# Filename: utils.py
# Description:
# Author:
# Maintainer:
# Created: Sat Sep 22 15:19:09 2012 (+0530)
# Version:
# Last-Updated: Wed Sep 26 16:35:38 2012 (+0530)
# By: subha
# Update #: 50
# URL:
# Keywords:
# Compatibility:
#
#
# Commentary:
#
#
#
#
# Change log:
#
#
#
#
# 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 3, 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; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street, Fifth
# Floor, Boston, MA 02110-1301, USA.
#
#
# Code:
import shutil
import os
from PyQt4 import QtGui, QtCore
def resizeWidthToContents(lineEdit):
"""Resize a QLineEdit object to fit its content."""
text = lineEdit.text()
fm = lineEdit.fontMetrics()
w = fm.boundingRect(text).width()
lineEdit.resize(w, lineEdit.height())
def copyTree(src, dst, progressDialog=None):
"""Copy the contents of source directory recursively into
destination directory recursively. Display the progress in
progressDialog. This does not overwrite any existing files or
directories.
Parameters
----------
src: str
path of the source directory
dst: str
path of the destination directory
progressDialog: QProgressDialog
Qt object to display the progress of the copying.
Return
------
list containing all the errors encountered while copying.
"""
src = src.strip()
dst = dst.strip()
errors = []
if not os.access(src, os.R_OK + os.X_OK):
print 'Failed to access directory', src
return
print 'Copying %s to : %s' % (src, dst)
if not os.access(src, os.R_OK + os.X_OK):
try:
os.makedirs(dst)
except OSError, e:
# print e
errors.append(e)
totalsize = 0
for dirpath, dirnames, filenames in os.walk(src):
for fname in filenames:
srcname = os.path.join(dirpath, fname)
try:
totalsize += os.path.getsize(srcname)
except OSError, e:
# print e
errors.append(e)
if progressDialog:
progressDialog.setMaximum(totalsize)
size = 0
for dirpath, dirnames, filenames in os.walk(src):
dstdir = os.path.join(dst, dirpath[len(src)+1:])
# print 'Destination dir', dstdir, dirpath[len(src)+1:]
try:
os.makedirs(dstdir)
except OSError, e:
# print e
errors.append(e)
# print 'Copying files from %s to %s' % (dirpath, dstdir)
for fname in filenames:
srcname = os.path.join(dirpath, fname)
dstname = os.path.join(dstdir, fname)
# print 'Copying:', srcname, 'to', dstname
try:
shutil.copy2(srcname, dstname)
except IOError, e:
# print e
errors.append(e)
size += os.path.getsize(srcname)
if progressDialog:
progressDialog.setValue(size)
if progressDialog.wasCanceled():
return errors
else:
print 'Copied %d bytes of %d.' % (size, totalsize)
if progressDialog:
progressDialog.close()
else:
print 'Finished.'
return errors
#
# utils.py ends here