##############################################################################
# 
# Zope Public License (ZPL) Version 1.0
# -------------------------------------
# 
# Copyright (c) Digital Creations.  All rights reserved.
# 
# This license has been certified as Open Source(tm).
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# 
# 1. Redistributions in source code must retain the above copyright
#    notice, this list of conditions, and the following disclaimer.
# 
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions, and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
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# 3. Digital Creations requests that attribution be given to Zope
#    in any manner possible. Zope includes a "Powered by Zope"
#    button that is installed by default. While it is not a license
#    violation to remove this button, it is requested that the
#    attribution remain. A significant investment has been put
#    into Zope, and this effort will continue if the Zope community
#    continues to grow. This is one way to assure that growth.
# 
# 4. All advertising materials and documentation mentioning
#    features derived from or use of this software must display
#    the following acknowledgement:
# 
#      "This product includes software developed by Digital Creations
#      for use in the Z Object Publishing Environment
#      (http://www.zope.org/)."
# 
#    In the event that the product being advertised includes an
#    intact Zope distribution (with copyright and license included)
#    then this clause is waived.
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# 5. Names associated with Zope or Digital Creations must not be used to
#    endorse or promote products derived from this software without
#    prior written permission from Digital Creations.
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# 6. Modified redistributions of any form whatsoever must retain
#    the following acknowledgment:
# 
#      "This product includes software developed by Digital Creations
#      for use in the Z Object Publishing Environment
#      (http://www.zope.org/)."
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#    require an external acknowledgement.
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# 7. Modifications are encouraged but must be packaged separately as
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# 
# Disclaimer
# 
#   THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY
#   EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
#   PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL DIGITAL CREATIONS OR ITS
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#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
#   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
#   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
#   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
#   OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
#   SUCH DAMAGE.
# 
# 
# This software consists of contributions made by Digital Creations and
# many individuals on behalf of Digital Creations.  Specific
# attributions are listed in the accompanying credits file.
# 
##############################################################################
import urllib
import re
import sys

restr = re.compile(r"Product refreshed")
retst = re.compile(r"Product refreshed.*?\((?P<time>[\d- : APM]*)\)", re.MULTILINE | re.DOTALL)

# show help
if len(sys.argv) <= 1 or "-h" in sys.argv or "-n" not in sys.argv:
	print """refresh a product (uses the refresh product of Shane Hathaway)

Usage: python refresh.py [options]

Options:
   -h
      Show this help information.
   -n product name (mandatory)
      The name of the product (take care of uppercase and lowercase!).
   -u username
      The username needed for authentification.
   -p password
      The password needed for authentification.
   -a url base address
      Default value is 'localhost:8080'
   -v 
      Verbose mode on

Remarks:
   - A space between the option keyword and the parameter
     is mandatory (e.g. '-n myproduct' and not '-nmyproduct')!
   - Download product at http://www.zope.org/Members/hathawsh/Refresh"""
	sys.exit(2)	

# analyze arguments
key = pname = uname = pword = verb = ''
addr = "localhost:8080"
for arg in sys.argv[1:]:
	if key == "-n":   pname = arg
	elif key == "-u": uname = arg
	elif key == "-p": pword = arg
	elif key == "-a": addr  = arg
	elif arg == "-v": verb  = 'on'
	key = arg

if uname and pword:
	auth = "%s:%s@" %(uname, pword)
else:
	auth = ''

# connect to zope server
try:
	page = urllib.urlopen("http://%s%s/Control_Panel/Products/%s?manage_performRefresh:method=x" % (auth, addr, pname))
except IOError:
	if verb: print "----- %s not refreshed (could not connect a zope server on %s) -----" % (pname, addr)
	sys.exit(3)

# read status message of page to ensure correct refresh
refreshed = ''
line1 = ''
for line in page.readlines():
	if line1:
		m = retst.search(line1 + line)
		if m is not None:
			refreshed = m.group('time')
			break
		line1 = ''
	if restr.search(line):
		line1 = line

if refreshed:
	if verb: print "+++++ %s refreshed %s +++++" % (pname, refreshed)
	sys.exit(0)
else:
	if verb: print "----- %s not refreshed -----" % (pname)
	sys.exit(1)