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Commit 5908b4c4 authored by Julien Muchembled's avatar Julien Muchembled
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Speed up BT export to subversion working copy 

Main optimization consists in reducing disk writes, by not using 'copytree'
anymore. Only modified/new files are copied from the temporary folder.

Also drop 'copyTree' and 'cacheWalk' because they are unused and 'dircache' is
deprecated.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@40326 20353a03-c40f-0410-a6d1-a30d3c3de9de
parent 91172319
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Showing with 89 additions and 705 deletions
product/ERP5Subversion/Tool/SubversionTool.py
View file @ 5908b4c4
......@@ -46,8 +46,6 @@ import shutil
from xml.sax.saxutils import escape
from dircache import listdir
from OFS.Traversable import NotFound
from Products.ERP5Type.patches.copyTree import copytree, Error
from Products.ERP5Type.patches.cacheWalk import cacheWalk
import transaction
try:
......@@ -892,19 +890,18 @@ class SubversionTool(BaseTool):
business_template.build()
svn_path = self._getWorkingPath(self.getSubversionPath(business_template) \
+ os.sep)
old_cwd = os.getcwd()
path = mkdtemp()
try:
# XXX: Big hack to make export work as expected.
transaction.commit()
business_template.export(path=path, local=1)
# svn del deleted files
self.deleteOldFiles(svn_path, path)
# add new files and copy
self.addNewFiles(svn_path, path)
self.goToWorkingCopy(business_template)
self._reimportTree(path)
finally:
# Clean up
shutil.rmtree(path)
os.chdir(old_cwd)
def importBT(self, business_template):
"""
......@@ -927,87 +924,92 @@ class SubversionTool(BaseTool):
res = [x for x in res if not x.startswith(path)]
return res
# return a set with directories present in the directory
def getSetDirsForDir(self, directory):
dir_set = set()
for root, dirs, _ in cacheWalk(directory):
# don't visit SVN directories
if '.svn' in dirs:
dirs.remove('.svn')
# get Directories
for name in dirs:
i = root.replace(directory, '').count(os.sep)
path = os.path.join(root, name)
dir_set.add((i, path.replace(directory,'')))
return dir_set
# return a set with files present in the directory
def getSetFilesForDir(self, directory):
dir_set = set()
for root, dirs, files in cacheWalk(directory):
# don't visit SVN directories
if '.svn' in dirs:
dirs.remove('.svn')
# get Files
for name in files:
i = root.replace(directory, '').count(os.sep)
path = os.path.join(root, name)
dir_set.add((i, path.replace(directory,'')))
return dir_set
# return files present in new_dir but not in old_dir
# return a set of relative paths
def getNewFiles(self, old_dir, new_dir):
if old_dir[-1] != os.sep:
old_dir += os.sep
if new_dir[-1] != os.sep:
new_dir += os.sep
old_set = self.getSetFilesForDir(old_dir)
new_set = self.getSetFilesForDir(new_dir)
return new_set.difference(old_set)
# return dirs present in new_dir but not in old_dir
# return a set of relative paths
def getNewDirs(self, old_dir, new_dir):
if old_dir[-1] != os.sep:
old_dir += os.sep
if new_dir[-1] != os.sep:
new_dir += os.sep
old_set = self.getSetDirsForDir(old_dir)
new_set = self.getSetDirsForDir(new_dir)
return new_set.difference(old_set)
def deleteOldFiles(self, old_dir, new_dir):
""" svn del files that have been removed in new dir
"""
# detect removed files
files_set = self.getNewFiles(new_dir, old_dir)
# detect removed directories
dirs_set = self.getNewDirs(new_dir, old_dir)
# svn del
path_list = [x for x in files_set]
path_list.sort()
self.remove([os.path.join(old_dir, x[1]) for x in path_list])
path_list = [x for x in dirs_set]
path_list.sort()
self.remove([os.path.join(old_dir, x[1]) for x in path_list])
def addNewFiles(self, old_dir, new_dir):
""" copy files and add new files
"""
# detect created files
files_set = self.getNewFiles(old_dir, new_dir)
# detect created directories
dirs_set = self.getNewDirs(old_dir, new_dir)
# Copy files
copytree(new_dir, old_dir)
# svn add
path_list = [x for x in dirs_set]
path_list.sort()
self.add([os.path.join(old_dir, x[1]) for x in path_list])
path_list = [x for x in files_set]
path_list.sort()
self.add([os.path.join(old_dir, x[1]) for x in path_list])
def _reimportTree(self, path):
"""Overwrite working copy with the tree pointed to by 'path'
Current directory must be the destination working copy
"""
# Sets to track svn status in case it is not consistent with existing
# files and directories
versioned_set = set(x.getPath() for x in self._getClient().status('.')
if x.getIsVersioned())
versioned_set.remove('.')
added_set = set()
# Walk current tree
svn_file_set = set()
svn_dir_set = set()
prefix_length = len(os.path.join('.', ''))
for dirpath, dirnames, filenames in os.walk('.'):
dirpath = dirpath[prefix_length:]
for i in xrange(len(dirnames) - 1, -1, -1):
d = dirnames[i]
if d[0] == '.':
# Ignore hidden directories (in particular '.svn')
del dirnames[i]
else:
svn_dir_set.add(os.path.join(dirpath, d))
for f in filenames:
svn_file_set.add(os.path.join(dirpath, f))
# Copy new files/dirs from 'path' to working copy
# Note: we don't use 'copytree' to avoid excessive disk writes
prefix_length = len(os.path.join(path, ''))
for dirpath, dirnames, filenames in os.walk(path):
dirpath = dirpath[prefix_length:]
for d in dirnames:
d = os.path.join(dirpath, d)
if d in versioned_set:
versioned_set.remove(d)
else:
added_set.add(d)
if d in svn_dir_set:
svn_dir_set.remove(d)
else:
os.mkdir(d)
for f in filenames:
f = os.path.join(dirpath, f)
if f in versioned_set:
versioned_set.remove(f)
else:
added_set.add(f)
# copy file unless unchanged
file = open(os.path.join(path, f), 'rb')
try:
text = file.read()
finally:
file.close()
try:
if f in svn_file_set:
svn_file_set.remove(f)
file = open(f, 'r+b')
old_size = os.fstat(file.fileno()).st_size
if len(text) == old_size and text == file.read():
continue
file.seek(0)
else:
file = open(f, 'wb')
file.write(text)
file.truncate()
finally:
file.close()
# Remove dangling files/dirs
svn_file_set -= versioned_set # what is in versioned_set
svn_dir_set -= versioned_set # is removed after
for x in svn_file_set:
if os.path.dirname(x) not in svn_dir_set:
os.remove(x)
for x in svn_dir_set:
if os.path.dirname(x) not in svn_dir_set:
shutil.rmtree(x)
# Remove deleted files/dirs
self.remove([x for x in versioned_set
if os.path.dirname(x) not in versioned_set])
# Add new files/dirs
self.add([x for x in added_set
if os.path.dirname(x) not in added_set])
def treeToXML(self, item, business_template) :
""" Convert tree in memory to XML
......
product/ERP5Type/patches/cacheWalk.py deleted 100644 → 0
View file @ 91172319
#A. HISTORY OF THE SOFTWARE
#==========================
#Python was created in the early 1990s by Guido van Rossum at Stichting
#Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands
#as a successor of a language called ABC. Guido remains Python's
#principal author, although it includes many contributions from others.
#In 1995, Guido continued his work on Python at the Corporation for
#National Research Initiatives (CNRI, see http://www.cnri.reston.va.us)
#in Reston, Virginia where he released several versions of the
#software.
#In May 2000, Guido and the Python core development team moved to
#BeOpen.com to form the BeOpen PythonLabs team. In October of the same
#year, the PythonLabs team moved to Digital Creations (now Zope
#Corporation, see http://www.zope.com). In 2001, the Python Software
#Foundation (PSF, see http://www.python.org/psf/) was formed, a
#non-profit organization created specifically to own Python-related
#Intellectual Property. Zope Corporation is a sponsoring member of
#the PSF.
#All Python releases are Open Source (see http://www.opensource.org for
#the Open Source Definition). Historically, most, but not all, Python
#releases have also been GPL-compatible; the table below summarizes
#the various releases.
#Release Derived Year Owner GPL-
#from compatible? (1)
#0.9.0 thru 1.2 1991-1995 CWI yes
#1.3 thru 1.5.2 1.2 1995-1999 CNRI yes
#1.6 1.5.2 2000 CNRI no
#2.0 1.6 2000 BeOpen.com no
#1.6.1 1.6 2001 CNRI yes (2)
#2.1 2.0+1.6.1 2001 PSF no
#2.0.1 2.0+1.6.1 2001 PSF yes
#2.1.1 2.1+2.0.1 2001 PSF yes
#2.2 2.1.1 2001 PSF yes
#2.1.2 2.1.1 2002 PSF yes
#2.1.3 2.1.2 2002 PSF yes
#2.2.1 2.2 2002 PSF yes
#2.2.2 2.2.1 2002 PSF yes
#2.2.3 2.2.2 2003 PSF yes
#2.3 2.2.2 2002-2003 PSF yes
#2.3.1 2.3 2002-2003 PSF yes
#2.3.2 2.3.1 2002-2003 PSF yes
#2.3.3 2.3.2 2002-2003 PSF yes
#2.3.4 2.3.3 2004 PSF yes
#2.3.5 2.3.4 2005 PSF yes
#2.4 2.3 2004 PSF yes
#2.4.1 2.4 2005 PSF yes
#2.4.2 2.4.1 2005 PSF yes
#Footnotes:
#(1) GPL-compatible doesn't mean that we're distributing Python under
#the GPL. All Python licenses, unlike the GPL, let you distribute
#a modified version without making your changes open source. The
#GPL-compatible licenses make it possible to combine Python with
#other software that is released under the GPL; the others don't.
#(2) According to Richard Stallman, 1.6.1 is not GPL-compatible,
#because its license has a choice of law clause. According to
#CNRI, however, Stallman's lawyer has told CNRI's lawyer that 1.6.1
#is "not incompatible" with the GPL.
#Thanks to the many outside volunteers who have worked under Guido's
#direction to make these releases possible.
#B. TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING PYTHON
#===============================================================
#PSF LICENSE AGREEMENT FOR PYTHON 2.4
#------------------------------------
#1. This LICENSE AGREEMENT is between the Python Software Foundation
#("PSF"), and the Individual or Organization ("Licensee") accessing and
#otherwise using Python 2.4 software in source or binary form and its
#associated documentation.
#2. Subject to the terms and conditions of this License Agreement, PSF
#hereby grants Licensee a nonexclusive, royalty-free, world-wide
#license to reproduce, analyze, test, perform and/or display publicly,
#prepare derivative works, distribute, and otherwise use Python 2.4
#alone or in any derivative version, provided, however, that PSF's
#License Agreement and PSF's notice of copyright, i.e., "Copyright (c)
#2001, 2002, 2003, 2004 Python Software Foundation; All Rights Reserved"
#are retained in Python 2.4 alone or in any derivative version prepared
#by Licensee.
#3. In the event Licensee prepares a derivative work that is based on
#or incorporates Python 2.4 or any part thereof, and wants to make
#the derivative work available to others as provided herein, then
#Licensee hereby agrees to include in any such work a brief summary of
#the changes made to Python 2.4.
#4. PSF is making Python 2.4 available to Licensee on an "AS IS"
#basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
#IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
#DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
#FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 2.4 WILL NOT
#INFRINGE ANY THIRD PARTY RIGHTS.
#5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
#2.4 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
#A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 2.4,
#OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
#6. This License Agreement will automatically terminate upon a material
#breach of its terms and conditions.
#7. Nothing in this License Agreement shall be deemed to create any
#relationship of agency, partnership, or joint venture between PSF and
#Licensee. This License Agreement does not grant permission to use PSF
#trademarks or trade name in a trademark sense to endorse or promote
#products or services of Licensee, or any third party.
#8. By copying, installing or otherwise using Python 2.4, Licensee
#agrees to be bound by the terms and conditions of this License
#Agreement.
#BEOPEN.COM LICENSE AGREEMENT FOR PYTHON 2.0
#-------------------------------------------
#BEOPEN PYTHON OPEN SOURCE LICENSE AGREEMENT VERSION 1
#1. This LICENSE AGREEMENT is between BeOpen.com ("BeOpen"), having an
#office at 160 Saratoga Avenue, Santa Clara, CA 95051, and the
#Individual or Organization ("Licensee") accessing and otherwise using
#this software in source or binary form and its associated
#documentation ("the Software").
#2. Subject to the terms and conditions of this BeOpen Python License
#Agreement, BeOpen hereby grants Licensee a non-exclusive,
#royalty-free, world-wide license to reproduce, analyze, test, perform
#and/or display publicly, prepare derivative works, distribute, and
#otherwise use the Software alone or in any derivative version,
#provided, however, that the BeOpen Python License is retained in the
#Software, alone or in any derivative version prepared by Licensee.
#3. BeOpen is making the Software available to Licensee on an "AS IS"
#basis. BEOPEN MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
#IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, BEOPEN MAKES NO AND
#DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
#FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE WILL NOT
#INFRINGE ANY THIRD PARTY RIGHTS.
#4. BEOPEN SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF THE
#SOFTWARE FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS
#AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE, OR ANY
#DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
#5. This License Agreement will automatically terminate upon a material
#breach of its terms and conditions.
#6. This License Agreement shall be governed by and interpreted in all
#respects by the law of the State of California, excluding conflict of
#law provisions. Nothing in this License Agreement shall be deemed to
#create any relationship of agency, partnership, or joint venture
#between BeOpen and Licensee. This License Agreement does not grant
#permission to use BeOpen trademarks or trade names in a trademark
#sense to endorse or promote products or services of Licensee, or any
#third party. As an exception, the "BeOpen Python" logos available at
#http://www.pythonlabs.com/logos.html may be used according to the
#permissions granted on that web page.
#7. By copying, installing or otherwise using the software, Licensee
#agrees to be bound by the terms and conditions of this License
#Agreement.
#CNRI LICENSE AGREEMENT FOR PYTHON 1.6.1
#---------------------------------------
#1. This LICENSE AGREEMENT is between the Corporation for National
#Research Initiatives, having an office at 1895 Preston White Drive,
#Reston, VA 20191 ("CNRI"), and the Individual or Organization
#("Licensee") accessing and otherwise using Python 1.6.1 software in
#source or binary form and its associated documentation.
#2. Subject to the terms and conditions of this License Agreement, CNRI
#hereby grants Licensee a nonexclusive, royalty-free, world-wide
#license to reproduce, analyze, test, perform and/or display publicly,
#prepare derivative works, distribute, and otherwise use Python 1.6.1
#alone or in any derivative version, provided, however, that CNRI's
#License Agreement and CNRI's notice of copyright, i.e., "Copyright (c)
#1995-2001 Corporation for National Research Initiatives; All Rights
#Reserved" are retained in Python 1.6.1 alone or in any derivative
#version prepared by Licensee. Alternately, in lieu of CNRI's License
#Agreement, Licensee may substitute the following text (omitting the
#quotes): "Python 1.6.1 is made available subject to the terms and
#conditions in CNRI's License Agreement. This Agreement together with
#Python 1.6.1 may be located on the Internet using the following
#unique, persistent identifier (known as a handle): 1895.22/1013. This
#Agreement may also be obtained from a proxy server on the Internet
#using the following URL: http://hdl.handle.net/1895.22/1013".
#3. In the event Licensee prepares a derivative work that is based on
#or incorporates Python 1.6.1 or any part thereof, and wants to make
#the derivative work available to others as provided herein, then
#Licensee hereby agrees to include in any such work a brief summary of
#the changes made to Python 1.6.1.
#4. CNRI is making Python 1.6.1 available to Licensee on an "AS IS"
#basis. CNRI MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
#IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, CNRI MAKES NO AND
#DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
#FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 1.6.1 WILL NOT
#INFRINGE ANY THIRD PARTY RIGHTS.
#5. CNRI SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
#1.6.1 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
#A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 1.6.1,
#OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
#6. This License Agreement will automatically terminate upon a material
#breach of its terms and conditions.
#7. This License Agreement shall be governed by the federal
#intellectual property law of the United States, including without
#limitation the federal copyright law, and, to the extent such
#U.S. federal law does not apply, by the law of the Commonwealth of
#Virginia, excluding Virginia's conflict of law provisions.
#Notwithstanding the foregoing, with regard to derivative works based
#on Python 1.6.1 that incorporate non-separable material that was
#previously distributed under the GNU General Public License (GPL), the
#law of the Commonwealth of Virginia shall govern this License
#Agreement only as to issues arising under or with respect to
#Paragraphs 4, 5, and 7 of this License Agreement. Nothing in this
#License Agreement shall be deemed to create any relationship of
#agency, partnership, or joint venture between CNRI and Licensee. This
#License Agreement does not grant permission to use CNRI trademarks or
#trade name in a trademark sense to endorse or promote products or
#services of Licensee, or any third party.
#8. By clicking on the "ACCEPT" button where indicated, or by copying,
#installing or otherwise using Python 1.6.1, Licensee agrees to be
#bound by the terms and conditions of this License Agreement.
#ACCEPT
#CWI LICENSE AGREEMENT FOR PYTHON 0.9.0 THROUGH 1.2
#--------------------------------------------------
#Copyright (c) 1991 - 1995, Stichting Mathematisch Centrum Amsterdam,
#The Netherlands. All rights reserved.
#Permission to use, copy, modify, and distribute this software and its
#documentation for any purpose and without fee is hereby granted,
#provided that the above copyright notice appear in all copies and that
#both that copyright notice and this permission notice appear in
#supporting documentation, and that the name of Stichting Mathematisch
#Centrum or CWI not be used in advertising or publicity pertaining to
#distribution of the software without specific, written prior
#permission.
#STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
#THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
#FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
#FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
#WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
#ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
#OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# Copyright (c) 2001, 2002, 2003, 2004 Python Software Foundation; All Rights Reserved
# Copyright (c) 2005 Nexedi SARL and Contributors. All Rights Reserved.
from dircache import listdir
import os
def cacheWalk(top, topdown=True, onerror=None):
"""Directory tree generator.
modification of os.path.walk to use dircache.listdir
instead of os.path.listdir
"""
try:
# Note that listdir and error are globals in this module due
# to earlier import-*.
names = listdir(top)
except os.error, err:
if onerror is not None:
onerror(err)
return
dirs, nondirs = [], []
for name in names:
if os.path.isdir(os.path.join(top, name)):
dirs.append(name)
else:
nondirs.append(name)
if topdown:
yield top, dirs, nondirs
for name in dirs:
path = os.path.join(top, name)
if not os.path.islink(path):
for elem in cacheWalk(path, topdown, onerror):
yield elem
if not topdown:
yield top, dirs, nondirs
product/ERP5Type/patches/copyTree.py deleted 100644 → 0
View file @ 91172319
#A. HISTORY OF THE SOFTWARE
#==========================
#Python was created in the early 1990s by Guido van Rossum at Stichting
#Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands
#as a successor of a language called ABC. Guido remains Python's
#principal author, although it includes many contributions from others.
#In 1995, Guido continued his work on Python at the Corporation for
#National Research Initiatives (CNRI, see http://www.cnri.reston.va.us)
#in Reston, Virginia where he released several versions of the
#software.
#In May 2000, Guido and the Python core development team moved to
#BeOpen.com to form the BeOpen PythonLabs team. In October of the same
#year, the PythonLabs team moved to Digital Creations (now Zope
#Corporation, see http://www.zope.com). In 2001, the Python Software
#Foundation (PSF, see http://www.python.org/psf/) was formed, a
#non-profit organization created specifically to own Python-related
#Intellectual Property. Zope Corporation is a sponsoring member of
#the PSF.
#All Python releases are Open Source (see http://www.opensource.org for
#the Open Source Definition). Historically, most, but not all, Python
#releases have also been GPL-compatible; the table below summarizes
#the various releases.
#Release Derived Year Owner GPL-
#from compatible? (1)
#0.9.0 thru 1.2 1991-1995 CWI yes
#1.3 thru 1.5.2 1.2 1995-1999 CNRI yes
#1.6 1.5.2 2000 CNRI no
#2.0 1.6 2000 BeOpen.com no
#1.6.1 1.6 2001 CNRI yes (2)
#2.1 2.0+1.6.1 2001 PSF no
#2.0.1 2.0+1.6.1 2001 PSF yes
#2.1.1 2.1+2.0.1 2001 PSF yes
#2.2 2.1.1 2001 PSF yes
#2.1.2 2.1.1 2002 PSF yes
#2.1.3 2.1.2 2002 PSF yes
#2.2.1 2.2 2002 PSF yes
#2.2.2 2.2.1 2002 PSF yes
#2.2.3 2.2.2 2003 PSF yes
#2.3 2.2.2 2002-2003 PSF yes
#2.3.1 2.3 2002-2003 PSF yes
#2.3.2 2.3.1 2002-2003 PSF yes
#2.3.3 2.3.2 2002-2003 PSF yes
#2.3.4 2.3.3 2004 PSF yes
#2.3.5 2.3.4 2005 PSF yes
#2.4 2.3 2004 PSF yes
#2.4.1 2.4 2005 PSF yes
#2.4.2 2.4.1 2005 PSF yes
#Footnotes:
#(1) GPL-compatible doesn't mean that we're distributing Python under
#the GPL. All Python licenses, unlike the GPL, let you distribute
#a modified version without making your changes open source. The
#GPL-compatible licenses make it possible to combine Python with
#other software that is released under the GPL; the others don't.
#(2) According to Richard Stallman, 1.6.1 is not GPL-compatible,
#because its license has a choice of law clause. According to
#CNRI, however, Stallman's lawyer has told CNRI's lawyer that 1.6.1
#is "not incompatible" with the GPL.
#Thanks to the many outside volunteers who have worked under Guido's
#direction to make these releases possible.
#B. TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING PYTHON
#===============================================================
#PSF LICENSE AGREEMENT FOR PYTHON 2.4
#------------------------------------
#1. This LICENSE AGREEMENT is between the Python Software Foundation
#("PSF"), and the Individual or Organization ("Licensee") accessing and
#otherwise using Python 2.4 software in source or binary form and its
#associated documentation.
#2. Subject to the terms and conditions of this License Agreement, PSF
#hereby grants Licensee a nonexclusive, royalty-free, world-wide
#license to reproduce, analyze, test, perform and/or display publicly,
#prepare derivative works, distribute, and otherwise use Python 2.4
#alone or in any derivative version, provided, however, that PSF's
#License Agreement and PSF's notice of copyright, i.e., "Copyright (c)
#2001, 2002, 2003, 2004 Python Software Foundation; All Rights Reserved"
#are retained in Python 2.4 alone or in any derivative version prepared
#by Licensee.
#3. In the event Licensee prepares a derivative work that is based on
#or incorporates Python 2.4 or any part thereof, and wants to make
#the derivative work available to others as provided herein, then
#Licensee hereby agrees to include in any such work a brief summary of
#the changes made to Python 2.4.
#4. PSF is making Python 2.4 available to Licensee on an "AS IS"
#basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
#IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
#DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
#FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 2.4 WILL NOT
#INFRINGE ANY THIRD PARTY RIGHTS.
#5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
#2.4 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
#A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 2.4,
#OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
#6. This License Agreement will automatically terminate upon a material
#breach of its terms and conditions.
#7. Nothing in this License Agreement shall be deemed to create any
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#--------------------------------------------------
#Copyright (c) 1991 - 1995, Stichting Mathematisch Centrum Amsterdam,
#The Netherlands. All rights reserved.
#Permission to use, copy, modify, and distribute this software and its
#documentation for any purpose and without fee is hereby granted,
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# Copyright (c) 2005 Nexedi SARL and Contributors. All Rights Reserved.
from dircache import listdir
from shutil import copy
import os, exceptions
class Error(exceptions.EnvironmentError):
""" Simple Exception
"""
pass
def copytree(src, dst, symlinks=False):
"""Recursively copy a directory tree using copy().
If exception(s) occur, an Error is raised with a list of reasons.
dst dir must exist
If the optional symlinks flag is true, symbolic links in the
source tree result in symbolic links in the destination tree; if
it is false, the contents of the files pointed to by symbolic
links are copied.
Modified version of shutil.copytree that do not require
destination folder to exist.
"""
names = listdir(src)
errors = []
for name in names:
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
try:
if symlinks and os.path.islink(srcname):
linkto = os.readlink(srcname)
os.symlink(linkto, dstname)
elif os.path.isdir(srcname):
if not os.path.exists(dstname):
os.makedirs(dstname)
copytree(srcname, dstname, symlinks)
else:
copy(srcname, dstname)
except (IOError, os.error), why:
errors.append((srcname, dstname, str(why)))
if errors:
raise Error, errors
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