[Erp5-report] r34147 mame - /erp5/trunk/products/ERP5/mixin/
nobody at svn.erp5.org
nobody at svn.erp5.org
Fri Mar 26 13:58:39 CET 2010
Author: mame
Date: Fri Mar 26 13:58:39 2010
New Revision: 34147
URL: http://svn.erp5.org?rev=34147&view=rev
Log:
Remove implementation of mixin to revert back to revision
before 34090
Removed:
erp5/trunk/products/ERP5/mixin/base_convertable.py
erp5/trunk/products/ERP5/mixin/convertable.py
erp5/trunk/products/ERP5/mixin/document.py
erp5/trunk/products/ERP5/mixin/html_convertable.py
erp5/trunk/products/ERP5/mixin/metadata_discoverable.py
erp5/trunk/products/ERP5/mixin/text_convertable.py
Removed: erp5/trunk/products/ERP5/mixin/base_convertable.py
URL: http://svn.erp5.org/erp5/trunk/products/ERP5/mixin/base_convertable.py?rev=34146&view=auto
==============================================================================
--- erp5/trunk/products/ERP5/mixin/base_convertable.py [utf8] (original)
+++ erp5/trunk/products/ERP5/mixin/base_convertable.py (removed)
@@ -1,146 +1,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
-# Jean-Paul Smets-Solanes <jp at nexedi.com>
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsability of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# garantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# 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; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-##############################################################################
-
-import md5
-import string
-import xmlrpclib, base64, re, zipfile, cStringIO
-from xmlrpclib import Fault
-from xmlrpclib import Transport
-from xmlrpclib import SafeTransport
-from Acquisition import aq_base
-from AccessControl import ClassSecurityInfo
-from Products.ERP5Type import Permissions
-from Products.CMFCore.utils import getToolByName
-from Products.ERP5Type.Cache import DEFAULT_CACHE_SCOPE
-from Products.ERP5Type.Base import WorkflowMethod
-from zLOG import LOG
-from Products.ERP5Type.Cache import CachingMethod
-
-# Mixin import
-from Products.ERP5.mixin.convertable import ConvertableMixin
-
-
-
-
-class BaseConvertableMixin:
- """
- This class provides a generic implementation of IBaseConvertable.
-
- """
-
- # Declarative security
- security = ClassSecurityInfo()
-
-
- # Declarative security
- security = ClassSecurityInfo()
- security.declareObjectProtected(Permissions.AccessContentsInformation)
-
-
-
- security.declareProtected(Permissions.AccessContentsInformation, 'hasBaseData')
- def hasBaseData(self):
- """
- A TextDocument store its data in the "text_content" property. Since
- there is no such thing as base_data in TextDocument, having base_data
- is equivalent to having some text_content.
- """
- return self.hasTextContent()
-
- def convertFile(self, **kw): # XXX - It it really useful to explicitly define ?
- """
- Workflow transition invoked when conversion occurs.
- """
- convertFile = WorkflowMethod(convertFile)
-
- security.declareProtected(Permissions.ModifyPortalContent, 'convertToBaseFormat')
- def convertToBaseFormat(self, **kw):
- """
- Converts the content of the document to a base format
- which is later used for all conversions. This method
- is common to all kinds of documents and handles
- exceptions in a unified way.
-
- Implementation is delegated to _convertToBaseFormat which
- must be overloaded by subclasses of Document which
- need a base format.
-
- convertToBaseFormat is called upon file upload, document
- ingestion by the processing_status_workflow.
-
- NOTE: the data of the base format conversion should be stored
- using the base_data property. Refer to Document.py propertysheet.
- Use accessors (getBaseData, setBaseData, hasBaseData, etc.)
- """
- if getattr(self, 'hasData', None) is not None and not self.hasData():
- # Empty document cannot be converted
- return
- try:
- message = self._convertToBaseFormat() # Call implemetation method
- self.clearConversionCache() # Conversion cache is now invalid
- if message is None:
- # XXX Need to translate.
- message = 'Converted to %s.' % self.getBaseContentType()
- self.convertFile(comment=message) # Invoke workflow method
- except NotImplementedError:
- message = ''
- return message
-
- def _convertToBaseFormat(self):
- """
- """
- raise NotImplementedError
-
- security.declareProtected(Permissions.AccessContentsInformation,
- 'getMetadataMappingDict')
- def getMetadataMappingDict(self):
- """
- Return a dict of metadata mapping used to update base metadata of the
- document
- """
- try:
- method = self._getTypeBasedMethod('getMetadataMappingDict')
- except KeyError, AttributeError:
- method = None
- if method is not None:
- return method()
- else:
- return {}
-
- security.declareProtected(Permissions.ModifyPortalContent, 'updateBaseMetadata')
- def updateBaseMetadata(self, **kw):
- """
- Update the base format data with the latest properties entered
- by the user. For example, if title is changed in ERP5 interface,
- the base format file should be updated accordingly.
-
- Default implementation does nothing. Refer to OOoDocument class
- for an example of implementation.
- """
- pass
Removed: erp5/trunk/products/ERP5/mixin/convertable.py
URL: http://svn.erp5.org/erp5/trunk/products/ERP5/mixin/convertable.py?rev=34146&view=auto
==============================================================================
--- erp5/trunk/products/ERP5/mixin/convertable.py [utf8] (original)
+++ erp5/trunk/products/ERP5/mixin/convertable.py (removed)
@@ -1,172 +1,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
-# Jean-Paul Smets-Solanes <jp at nexedi.com>
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsability of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# garantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# 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; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-##############################################################################
-
-import md5
-import string
-import xmlrpclib, base64, re, zipfile, cStringIO
-from xmlrpclib import Fault
-from xmlrpclib import Transport
-from xmlrpclib import SafeTransport
-from Acquisition import aq_base
-from AccessControl import ClassSecurityInfo
-from Products.ERP5Type import Permissions
-from Products.CMFCore.utils import getToolByName
-from Products.ERP5Type.Cache import DEFAULT_CACHE_SCOPE
-from Products.ERP5Type.Base import WorkflowMethod
-from zLOG import LOG
-from Products.ERP5Type.Cache import CachingMethod
-
-
-
-def makeSortedTuple(kw):
- items = kw.items()
- items.sort()
- return tuple(items)
-
-
-class ConvertableMixin:
- """
- This class provides a generic implementation of IConvertable.
-
- This class provides a generic API to store in the ZODB
- various converted versions of a file or of a string.
-
- Versions are stored in dictionaries; the class stores also
- generation time of every format and its mime-type string.
- Format can be a string or a tuple (e.g. format, resolution).
- """
-
- # Declarative security
- security = ClassSecurityInfo()
-
-
- # Declarative security
- security = ClassSecurityInfo()
- security.declareObjectProtected(Permissions.AccessContentsInformation)
-
- # Conversion methods
- security.declareProtected(Permissions.AccessContentsInformation, 'convert')
- def convert(self, format, **kw):
- """
- Main content conversion function, returns result which should
- be returned and stored in cache.
- format - the format specied in the form of an extension
- string (ex. jpeg, html, text, txt, etc.)
- **kw can be various things - e.g. resolution
-
- Default implementation returns an empty string (html, text)
- or raises an error.
-
- TODO:
- - implement guards API so that conversion to certain
- formats require certain permission
- """
- # Raise an error if the format is not permitted
- if not self.isTargetFormatPermitted(format):
- raise Unauthorized("User does not have enough permission to access document"
- " in %s format" % (format or 'original'))
- if format == 'html':
- return 'text/html', '' # XXX - Why ?
- if format in ('text', 'txt'):
- return 'text/plain', '' # XXX - Why ?
- raise NotImplementedError
-
- security.declareProtected(Permissions.View,'isTargetFormatAllowed')
- def isTargetFormatAllowed(self,format):
- """
- Checks if the current document can be converted
- to the specified target format.
-
- format -- the target conversion format specified either as an
- extension (ex. 'png') or as a mime type
- string (ex. 'text/plain')
- """
- return format in self.getTargetFormatList()
-
-
- security.declareProtected(Permissions.View,'isTargetFormatPermitted')
- def isTargetFormatPermitted(self, format):
- """
- Checks if the current user can convert the current document
- into the specified target format.
- """
- method = self._getTypeBasedMethod('isTargetFormatPermitted',
- fallback_script_id='Document_isTargetFormatPermitted')
- return method(format)
-
- security.declareProtected(Permissions.View,'getTargetFormatItemList')
- def getTargetFormatItemList(self):
- """
- Returns the list of acceptable formats for conversion
- in the form of tuples which can be used for example for
- listfield in ERP5Form. Each tuple in the list has the form
- (title, format) where format is an extension (ex. 'png')
- which can be passed to IConvertable.convert or to
- IDownloadable.index_html and title is a string which
- can be translated and displayed to the user.
-
- Example of result:
- [('ODF Drawing', 'odg'), ('ODF Drawing Template', 'otg'),
- ('OpenOffice.org 1.0 Drawing', 'sxd')]
- """
- return self.getAllowedTargetItemList()
-
- security.declareProtected(Permissions.View,'getTargetFormatTitleList')
- def getTargetFormatTitleList(self):
- """
- Returns the list of titles of acceptable formats for conversion
- as a list of strings which can be translated and displayed
- to the user.
- """
- return map(lambda x: x[0], self.getTargetFormatItemList())
-
- security.declareProtected(Permissions.View,'getTargetFormatList')
- def getTargetFormatList(self):
- """
- Returns the list of acceptable formats for conversion
- where format is an extension (ex. 'png') which can be
- passed to IConvertable.convert or to IDownloadable.index_html
- """
- return map(lambda x: x[1], self.getTargetFormatItemList())
-
- security.declareProtected(Permissions.View,'getPermittedTargetFormatItemList')
- def getPermittedTargetFormatItemList(self):
- """
- Returns the list of authorized formats for conversion
- in the form of tuples. For each format, checks
- if the current user can convert the current
- document into that format.
-
- """
- authorized_format_list = []
- format_list = self.getTargetFormatItemList()
- for format in format_list:
- if self.isTargetFormatPermitted(format[1]):
- authorized_format_list.append(format)
- return authorized_format_list
Removed: erp5/trunk/products/ERP5/mixin/document.py
URL: http://svn.erp5.org/erp5/trunk/products/ERP5/mixin/document.py?rev=34146&view=auto
==============================================================================
--- erp5/trunk/products/ERP5/mixin/document.py [utf8] (original)
+++ erp5/trunk/products/ERP5/mixin/document.py (removed)
@@ -1,70 +1,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
-# Jean-Paul Smets-Solanes <jp at nexedi.com>
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsability of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# garantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# 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; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-##############################################################################
-
-import md5
-import string
-import xmlrpclib, base64, re, zipfile, cStringIO
-from xmlrpclib import Fault
-from xmlrpclib import Transport
-from xmlrpclib import SafeTransport
-from Acquisition import aq_base
-from AccessControl import ClassSecurityInfo
-from Products.ERP5Type import Permissions
-from Products.CMFCore.utils import getToolByName
-from Products.ERP5Type.Cache import DEFAULT_CACHE_SCOPE
-from Products.ERP5Type.Base import WorkflowMethod
-from zLOG import LOG
-from Products.ERP5Type.Cache import CachingMethod
-
-#Mixin import
-from Products.ERP5.mixin.convertable import ConvertableMixin
-from Products.ERP5.mixin.cached_convertable import CachedConvertableMixin
-
-class DocumentMixin(ConvertableMixin, CachedConvertableMixin):
- """
- This class provides a generic implementation of IDocument.
- """
-
- # Declarative security
- security = ClassSecurityInfo()
-
-
- # Declarative security
- security = ClassSecurityInfo()
- security.declareObjectProtected(Permissions.AccessContentsInformation)
-
-
- security.declareProtected(Permissions.AccessContentsInformation,
- 'isSupportBaseDataConversion')
- def isSupportBaseDataConversion(self):
- """
- """
- return False
-
-
Removed: erp5/trunk/products/ERP5/mixin/html_convertable.py
URL: http://svn.erp5.org/erp5/trunk/products/ERP5/mixin/html_convertable.py?rev=34146&view=auto
==============================================================================
--- erp5/trunk/products/ERP5/mixin/html_convertable.py [utf8] (original)
+++ erp5/trunk/products/ERP5/mixin/html_convertable.py (removed)
@@ -1,154 +1,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
-# Jean-Paul Smets-Solanes <jp at nexedi.com>
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsability of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# garantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# 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; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-##############################################################################
-
-import md5
-import string
-import xmlrpclib, base64, re, zipfile, cStringIO
-from xmlrpclib import Fault
-from xmlrpclib import Transport
-from xmlrpclib import SafeTransport
-from Acquisition import aq_base
-from AccessControl import ClassSecurityInfo
-from Products.ERP5Type import Permissions
-from Products.CMFCore.utils import getToolByName
-from Products.ERP5Type.Cache import DEFAULT_CACHE_SCOPE
-from Products.ERP5Type.Base import WorkflowMethod
-from zLOG import LOG
-from Products.ERP5Type.Cache import CachingMethod
-
-# Mixin import
-from Products.ERP5.mixin.convertable import ConvertableMixin
-from Products.ERP5.mixin.cached_convertable import CachedConvertableMixin
-
-
-
-class HTMLConvertableMixin(CachedConvertableMixin):
- """
- This class provides a generic implementation of IHTMLConvertable.
-
- """
-
- # Declarative security
- security = ClassSecurityInfo()
-
-
- # Declarative security
- security = ClassSecurityInfo()
- security.declareObjectProtected(Permissions.AccessContentsInformation)
-
- security.declarePrivate('_asHTML')
- def _asHTML(self, **kw):
- """
- A private method which converts to HTML. This method
- is the one to override in subclasses.
- """
- if not self.hasBaseData():
- raise ConversionError('This document has not been processed yet.')
- try:
- # FIXME: no substitution may occur in this case.
- mime, data = self.getConversion(format='base-html')
- return data
- except KeyError:
- kw['format'] = 'html'
- mime, html = self.convert(**kw)
- return html
-
- security.declareProtected(Permissions.View, 'asEntireHTML')
- def asEntireHTML(self, **kw):
- """
- Returns a complete HTML representation of the document
- (with body tags, etc.). Adds if necessary a base
- tag so that the document can be displayed in an iframe
- or standalone.
-
- Actual conversion is delegated to _asHTML
- """
- html = self._asHTML(**kw)
- if self.getUrlString():
- # If a URL is defined, add the base tag
- # if base is defined yet.
- html = str(html)
- if not html.find('<base') >= 0:
- base = '<base href="%s">' % self.getContentBaseURL()
- html = html.replace('<head>', '<head>%s' % base)
- self.setConversion(html, mime='text/html', format='base-html')
- return html
-
- security.declareProtected(Permissions.View, 'asStrippedHTML')
- def asStrippedHTML(self, **kw):
- """
- Returns a stripped HTML representation of the document
- (without html and body tags, etc.) which can be used to inline
- a preview of the document.
- """
- if not self.hasBaseData():
- return ''
- try:
- # FIXME: no substitution may occur in this case.
- mime, data = self.getConversion(format='stripped-html')
- return data
- except KeyError:
- kw['format'] = 'html'
- mime, html = self.convert(**kw)
- return self._stripHTML(str(html))
-
- def _guessEncoding(self, string):
- """
- Try to guess the encoding for this string.
- Returns None if no encoding can be guessed.
- """
- try:
- import chardet
- except ImportError:
- return None
- return chardet.detect(string).get('encoding', None)
-
- def _stripHTML(self, html, charset=None):
- """
- A private method which can be reused by subclasses
- to strip HTML content
- """
- body_list = re.findall(self.body_parser, str(html))
- if len(body_list):
- stripped_html = body_list[0]
- else:
- stripped_html = html
- # find charset and convert to utf-8
- charset_list = self.charset_parser.findall(str(html)) # XXX - Not efficient if this
- # is datastream instance but hard to do better
- if charset and not charset_list:
- # Use optional parameter is we can not find encoding in HTML
- charset_list = [charset]
- if charset_list and charset_list[0] not in ('utf-8', 'UTF-8'):
- try:
- stripped_html = unicode(str(stripped_html),
- charset_list[0]).encode('utf-8')
- except (UnicodeDecodeError, LookupError):
- return str(stripped_html)
- return stripped_html
Removed: erp5/trunk/products/ERP5/mixin/metadata_discoverable.py
URL: http://svn.erp5.org/erp5/trunk/products/ERP5/mixin/metadata_discoverable.py?rev=34146&view=auto
==============================================================================
--- erp5/trunk/products/ERP5/mixin/metadata_discoverable.py [utf8] (original)
+++ erp5/trunk/products/ERP5/mixin/metadata_discoverable.py (removed)
@@ -1,84 +1,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
-# Jean-Paul Smets-Solanes <jp at nexedi.com>
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsability of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# garantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# 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; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-##############################################################################
-
-import md5
-import string
-import xmlrpclib, base64, re, zipfile, cStringIO
-from xmlrpclib import Fault
-from xmlrpclib import Transport
-from xmlrpclib import SafeTransport
-from Acquisition import aq_base
-from AccessControl import ClassSecurityInfo
-from Products.ERP5Type import Permissions
-from Products.CMFCore.utils import getToolByName
-from Products.ERP5Type.Cache import DEFAULT_CACHE_SCOPE
-from Products.ERP5Type.Base import WorkflowMethod
-from zLOG import LOG
-from Products.ERP5Type.Cache import CachingMethod
-
-# Mixin import
-from Products.ERP5.mixin.convertable import ConvertableMixin
-from Products.ERP5.mixin.html_convertable import HTMLConvertableMixin
-
-
-
-
-class MetadataDiscoverableMixin(HTMLConvertableMixin):
- """
- This class provides a generic implementation of IMetadataDiscoverable.
-
- """
-
- # Declarative security
- security = ClassSecurityInfo()
-
-
- # Declarative security
- security = ClassSecurityInfo()
- security.declareObjectProtected(Permissions.AccessContentsInformation)
-
-
-
- security.declareProtected(Permissions.AccessContentsInformation, 'getContentInformation')
- def getContentInformation(self):
- """
- Returns the content information from the HTML conversion.
- The default implementation tries to build a dictionnary
- from the HTML conversion of the document and extract
- the document title.
- """
- result = {}
- html = self.asEntireHTML()
- if not html: return result
- title_list = re.findall(self.title_parser, str(html))
- if title_list:
- result['title'] = title_list[0]
- return result
-
-
Removed: erp5/trunk/products/ERP5/mixin/text_convertable.py
URL: http://svn.erp5.org/erp5/trunk/products/ERP5/mixin/text_convertable.py?rev=34146&view=auto
==============================================================================
--- erp5/trunk/products/ERP5/mixin/text_convertable.py [utf8] (original)
+++ erp5/trunk/products/ERP5/mixin/text_convertable.py (removed)
@@ -1,96 +1,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
-# Jean-Paul Smets-Solanes <jp at nexedi.com>
-#
-# WARNING: This program as such is intended to be used by professional
-# programmers who take the whole responsability of assessing all potential
-# consequences resulting from its eventual inadequacies and bugs
-# End users who are looking for a ready-to-use solution with commercial
-# garantees and support are strongly adviced to contract a Free Software
-# Service Company
-#
-# 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; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-##############################################################################
-
-import md5
-import string
-import xmlrpclib, base64, re, zipfile, cStringIO
-from xmlrpclib import Fault
-from xmlrpclib import Transport
-from xmlrpclib import SafeTransport
-from Acquisition import aq_base
-from AccessControl import ClassSecurityInfo
-from Products.ERP5Type import Permissions
-from Products.CMFCore.utils import getToolByName
-from Products.ERP5Type.Cache import DEFAULT_CACHE_SCOPE
-from Products.ERP5Type.Base import WorkflowMethod
-from zLOG import LOG
-from Products.ERP5Type.Cache import CachingMethod
-
-# Mixin import
-from Products.ERP5.mixin.convertable import ConvertableMixin
-
-
-
-
-class TextConvertableMixin:
- """
- This class provides a generic implementation of ITextConvertable.
-
- This class provides a generic API to store in the ZODB
- various converted versions of a file or of a string.
-
- Versions are stored in dictionaries; the class stores also
- generation time of every format and its mime-type string.
- Format can be a string or a tuple (e.g. format, resolution).
- """
-
- # Declarative security
- security = ClassSecurityInfo()
-
-
- # Declarative security
- security = ClassSecurityInfo()
- security.declareObjectProtected(Permissions.AccessContentsInformation)
-
-
- security.declareProtected(Permissions.View, 'asText')
- def asText(self, **kw):
- """
- Text Convertable interface specification
- Documents which implement the ITextConvertable interface
- can be converted to plain text.
- Converts the content of the document to a textual representation.
- """
- kw['format'] = 'txt'
- mime, data = self.convert(**kw)
- return str(data)
-
-
- security.declareProtected(Permissions.View, 'asSubjectText')
- def asSubjectText(self, **kw):
- """
- Converts the subject of the document to a textual representation.
- """
- subject = self.getSubject()
- if not subject:
- # XXX not sure if this fallback is a good idea.
- subject = self.getTitle()
- if subject is None:
- subject = ''
- return str(subject)
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