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##############################################################################
#
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##########################################################################
""" Customizable page templates that come from the filesystem.
$Id: FSPageTemplate.py,v 1.8.8.8 2003/09/01 16:09:22 tseaver Exp $
"""
from string import split, replace
from os import stat
import re, sys
import Globals, Acquisition
from DateTime import DateTime
from DocumentTemplate.DT_Util import html_quote
from Acquisition import aq_parent
from AccessControl import getSecurityManager, ClassSecurityInfo
from Shared.DC.Scripts.Script import Script
from Products.PageTemplates.PageTemplate import PageTemplate
from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate, Src
from DirectoryView import registerFileExtension, registerMetaType, expandpath
from CMFCorePermissions import ViewManagementScreens, View, FTPAccess
from FSObject import FSObject
from utils import getToolByName
xml_detect_re = re.compile('^\s*<\?xml\s+')
class FSPageTemplate(FSObject, Script, PageTemplate):
"Wrapper for Page Template"
meta_type = 'Filesystem Page Template'
_owner = None # Unowned
manage_options=(
(
{'label':'Customize', 'action':'manage_main'},
{'label':'Test', 'action':'ZScriptHTML_tryForm'},
)
)
security = ClassSecurityInfo()
security.declareObjectProtected(View)
security.declareProtected(ViewManagementScreens, 'manage_main')
manage_main = Globals.DTMLFile('dtml/custpt', globals())
# Declare security for unprotected PageTemplate methods.
security.declarePrivate('pt_edit', 'write')
def __init__(self, id, filepath, fullname=None, properties=None):
FSObject.__init__(self, id, filepath, fullname, properties)
self.ZBindings_edit(self._default_bindings)
def _createZODBClone(self):
"""Create a ZODB (editable) equivalent of this object."""
obj = ZopePageTemplate(self.getId(), self._text, self.content_type)
obj.expand = 0
obj.write(self.read())
return obj
def ZCacheable_isCachingEnabled(self):
return 0
def _readFile(self, reparse):
fp = expandpath(self._filepath)
file = open(fp, 'r') # not 'rb', as this is a text file!
try:
data = file.read()
finally:
file.close()
if reparse:
if xml_detect_re.match(data):
# Smells like xml
self.content_type = 'text/xml'
else:
try:
del self.content_type
except (AttributeError, KeyError):
pass
self.write(data)
security.declarePrivate('read')
def read(self):
# Tie in on an opportunity to auto-update
self._updateFromFS()
return FSPageTemplate.inheritedAttribute('read')(self)
### The following is mainly taken from ZopePageTemplate.py ###
expand = 0
func_defaults = None
func_code = ZopePageTemplate.func_code
_default_bindings = ZopePageTemplate._default_bindings
security.declareProtected(View, '__call__')
def pt_macros(self):
# Tie in on an opportunity to auto-reload
self._updateFromFS()
return FSPageTemplate.inheritedAttribute('pt_macros')(self)
def pt_render(self, source=0, extra_context={}):
self._updateFromFS() # Make sure the template has been loaded.
try:
if not source: # Hook up to caching policy.
REQUEST = getattr( self, 'REQUEST', None )
if REQUEST:
content = aq_parent( self )
mgr = getToolByName( content
, 'caching_policy_manager'
, None
)
if mgr:
view_name = self.getId()
RESPONSE = REQUEST[ 'RESPONSE' ]
headers = mgr.getHTTPCachingHeaders( content
, view_name
, extra_context
)
for key, value in headers:
RESPONSE.setHeader( key, value )
return FSPageTemplate.inheritedAttribute('pt_render')( self,
source, extra_context )
except RuntimeError:
if Globals.DevelopmentMode:
err = FSPageTemplate.inheritedAttribute( 'pt_errors' )( self )
if not err:
err = sys.exc_info()
err_type = err[0]
err_msg = '<pre>%s</pre>' % replace( str(err[1]), "\'", "'" )
msg = 'FS Page Template %s has errors: %s.<br>%s' % (
self.id, err_type, html_quote(err_msg) )
raise RuntimeError, msg
else:
raise
security.declarePrivate( '_ZPT_exec' )
_ZPT_exec = ZopePageTemplate._exec
security.declarePrivate( '_exec' )
def _exec(self, bound_names, args, kw):
"""Call a FSPageTemplate"""
try:
response = self.REQUEST.RESPONSE
except AttributeError:
response = None
# Read file first to get a correct content_type default value.
self._updateFromFS()
# call "inherited"
result = self._ZPT_exec( bound_names, args, kw )
return result
# Copy over more methods
security.declareProtected(FTPAccess, 'manage_FTPget')
security.declareProtected(View, 'get_size')
security.declareProtected(ViewManagementScreens, 'PrincipiaSearchSource',
'document_src')
pt_getContext = ZopePageTemplate.pt_getContext
ZScriptHTML_tryParams = ZopePageTemplate.ZScriptHTML_tryParams
manage_FTPget = ZopePageTemplate.manage_FTPget
get_size = ZopePageTemplate.get_size
getSize = get_size
PrincipiaSearchSource = ZopePageTemplate.PrincipiaSearchSource
document_src = ZopePageTemplate.document_src
d = FSPageTemplate.__dict__
d['source.xml'] = d['source.html'] = Src()
Globals.InitializeClass(FSPageTemplate)
registerFileExtension('pt', FSPageTemplate)
registerFileExtension('html', FSPageTemplate)
registerFileExtension('htm', FSPageTemplate)
registerMetaType('Page Template', FSPageTemplate)
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