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utils.py

# -*- coding: utf-8 -*-
## AttchmentField
## Copyright (C)2006 Ingeniweb

## 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 2 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
AttchmentField
"""
__version__ = "$Revision: 23006 $"
# $Source: /cvsroot/ingeniweb/PloneSubscription/SubscriptionTool.py,v $
# $Id: utils.py 23006 2006-05-02 20:25:43Z encolpe $
__docformat__ = 'restructuredtext'

import re
from TAL import ndiff

def makeContent( container, portal_type, id='document', **kw ):
    container.invokeFactory( type_name=portal_type, id=id )
    return getattr( container, id )

def normalize_html(s):
    s = re.sub(r"\s+", " ", s)
    s = re.sub(r"(?s)\s+<", "<", s)
    s = re.sub(r"(?s)>\s+", ">", s)
    return s

def nicerange(lo, hi):
    if hi <= lo+1:
        return str(lo+1)
    else:
        return "%d,%d" % (lo+1, hi)

def showdiff(a, b):
    cruncher = ndiff.SequenceMatcher(ndiff.IS_LINE_JUNK, a, b)
    for tag, alo, ahi, blo, bhi in cruncher.get_opcodes():
        if tag == "equal":
            continue
        print nicerange(alo, ahi) + tag[0] + nicerange(blo, bhi)
        ndiff.dump('<', a, alo, ahi)
        if a and b:
            print '---'
        ndiff.dump('>', b, blo, bhi)

def start_http(address, port):
    import sys
    from ZServer import asyncore
    from ZServer import zhttp_server, zhttp_handler
    import socket

    import Zope # Sigh, make product initialization happen
    try:
        Zope.startup()
    except: # Zope > 2.6
        pass

    from ZServer import setNumberOfThreads
    setNumberOfThreads(4)

    try:
        hs = zhttp_server(
            ip=address,
            port=port,
            resolver=None,
            logger_object=None)
    except socket.error, why:
        if why[0] == 98: # address in use
            raise port_err % {'port':port,
                              'socktype':'TCP',
                              'protocol':'HTTP',
                              'switch':'-w'}
        raise
    # Handler for a published module. zhttp_handler takes 3 arguments:
    # The name of the module to publish, and optionally the URI base
    # which is basically the SCRIPT_NAME, and optionally a dictionary
    # with CGI environment variables which override default
    # settings. The URI base setting is useful when you want to
    # publish more than one module with the same HTTP server. The CGI
    # environment setting is useful when you want to proxy requests
    # from another web server to ZServer, and would like the CGI
    # environment to reflect the CGI environment of the other web
    # server.
    zh = zhttp_handler('Zope', '', {})
    zh._force_connection_close = 1
    hs.install_handler(zh)
    sys.ZServerExitCode=0
    asyncore.loop()
    sys.exit(sys.ZServerExitCode)

def populateFolder(folder, folder_type, doc_type):
    """ Creates a structure like:

    \index_html
    \doc1
    \folder1
       \folder11
       \folder12
       \doc11
    \folder2
       \folder21
       \doc21
       \index_html
       \folder22
          \folder221
             \doc2211
             \doc2212
          \folder222
             \doc2221
             \doc2222
          \folder223
             \doc2231
             \doc2232
    """
    folder.invokeFactory(doc_type, id='index_html')
    folder.invokeFactory(doc_type, id='doc1')
    folder.invokeFactory(folder_type, id='folder1')
    folder.invokeFactory(folder_type, id='folder2')
    f1 = folder.folder1
    f2 = folder.folder2
    f1.invokeFactory(folder_type, id='folder11')
    f1.invokeFactory(folder_type, id='folder12')
    f1.invokeFactory(doc_type, id='doc11')
    f2.invokeFactory(folder_type, id='folder21')
    f2.invokeFactory(folder_type, id='folder22')
    f2.invokeFactory(doc_type, id='doc21')
    f2.invokeFactory(doc_type, id='index_html')
    f22 = f2.folder22
    f22.invokeFactory(folder_type, id='folder221')
    f221 = f22.folder221
    f221.invokeFactory(doc_type, id='doc2211')
    f221.invokeFactory(doc_type, id='doc2212')
    f22.invokeFactory(folder_type, id='folder222')
    f222 = f22.folder222
    f222.invokeFactory(doc_type, id='doc2221')
    f222.invokeFactory(doc_type, id='doc2222')
    f22.invokeFactory(folder_type, id='folder223')
    f223 = f22.folder223
    f223.invokeFactory(doc_type, id='doc2231')
    f223.invokeFactory(doc_type, id='doc2232')

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