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[Plinn.git] / File.py
diff --git a/File.py b/File.py
index addba60..53a9154 100755 (executable)
--- a/File.py
+++ b/File.py
 #   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   #
 #######################################################################################
 """ This module implements a portal-managed File class that's inherits of CMFDefault
 #   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   #
 #######################################################################################
 """ This module implements a portal-managed File class that's inherits of CMFDefault
-       File. If exists, portal_transforms is called to extract text content, and publish
-       attachments.
+    File. If exists, portal_transforms is called to extract text content, and publish
+    attachments.
+
+
 
 
-$Id: File.py 1549 2010-02-04 13:04:22Z pin $
-$URL: http://svn.cri.ensmp.fr/svn/Plinn/branches/CMF-2.1/File.py $
 """
 
 from Globals import InitializeClass
 """
 
 from Globals import InitializeClass
@@ -30,136 +30,168 @@ from AccessControl import ClassSecurityInfo
 import OFS
 from zope.component.factory import Factory
 
 import OFS
 from zope.component.factory import Factory
 
-from Products.CMFDefault.File import File as BaseFile
+from Products.CMFDefault.File import File as CMFFile
+from Products.Photo.blobbases import File as BlobFile
+from Products.CMFDefault.DublinCore import DefaultDublinCoreImpl
 from Products.CMFCore.permissions import View, ModifyPortalContent
 from Products.CMFCore.utils import getToolByName
 from hexagonit.swfheader import parse as parseswf
 
 from Products.CMFCore.permissions import View, ModifyPortalContent
 from Products.CMFCore.utils import getToolByName
 from hexagonit.swfheader import parse as parseswf
 
-class File(BaseFile) :
-       """ file class with portal_transforms support """
-       
-       security = ClassSecurityInfo()
-       
-       _properties = BaseFile._properties + ({'id':'orig_name', 'type':'string', 'mode':'w', 'label':"Original Name"},)
-       orig_name = ''
-
-
-       def __getattr__(self, name) :
-               try : return BaseFile.__getattr__(self, name)
-               except :
-                       selfAttrs = self.__dict__
-                       if selfAttrs.has_key('_v_transform_cache') :
-                               cache = selfAttrs['_v_transform_cache']
-                               cacheTuple = cache.get('text_html', None) # (time, value)
-                               if cacheTuple :
-                                       cacheData = cacheTuple[1]
-                               
-                               subObDict = cacheData.getSubObjects()
-                               if subObDict.has_key(name) :
-                                       fileOb = OFS.Image.File(name, name, subObDict[name])
-                                       return fileOb
-                               
-                       raise AttributeError, name
-       
-       def manage_upload(self,file='',REQUEST=None):
-               ret = super(File, self).manage_upload(file=file, REQUEST=REQUEST)
-
-               orig_name = OFS.Image.cookId('', '', file)[0]
-               if orig_name :
-                       self.orig_name = orig_name
-
-               print self.absolute_url(), self.Format()
-               if self.Format() == 'application/x-shockwave-flash' :
-                       if file :
-                               try :
-                                       swfmetadata = parseswf(file)
-                               except IOError :
-                                       swfmetadata = {'width':600, 'height':600}
-
-                       for name in ('width', 'height') :
-                               value = swfmetadata[name]
-                               if self.hasProperty(name) :
-                                       self._updateProperty(name, value)
-                               else :
-                                       self.manage_addProperty(name, value, 'int')
-               self.reindexObject()
-               return ret
-               
-               
-       
-       security.declareProtected(ModifyPortalContent, 'edit')
-       def edit(self, precondition='', file=''):
-               orig_name = OFS.Image.cookId('', '', file)[0]
-               if orig_name :
-                       self.orig_name = orig_name
-               BaseFile.edit(self, precondition=precondition, file=file)
-               if hasattr(self, '_v_transform_cache') :
-                       del self._v_transform_cache
-       
-       
-       security.declareProtected(View, 'SearchableText')
-       def SearchableText(self) :
-               """ Return full text"""
-               baseSearchableText = BaseFile.SearchableText(self)
-               transformTool = getToolByName(self, 'portal_transforms', default=None)
-               if transformTool is None :
-                       return baseSearchableText
-               else :
-                       datastream_text =  transformTool.convertTo('text/plain',
-                                                                                                               str(self.data),
-                                                                                                               mimetype = self.content_type
-                                                                                                               )
-                       full_text = ''
-                       if datastream_text is not None :
-                               full_text = datastream_text.getData()
-                       
-                       return baseSearchableText + full_text
-                       
-       security.declareProtected(View, 'preview')
-       def preview(self) :
-               """Return HTML preview if it's possible or empty string """
-               transformTool = getToolByName(self, 'portal_transforms', default = None)
-               if transformTool is None :
-                       return ''
-               else :
-                       filename = self.getId().replace(' ', '_')
-                       datastream = transformTool.convertTo('text/html',
-                                                                                               str(self.data),
-                                                                                               object=self,
-                                                                                               mimetype = self.content_type,
-                                                                                               filename = filename)
-
-                       if datastream is not None : return datastream.getData()
-                       else : return ''
-
-       security.declareProtected(View, 'download')
-       def download(self, REQUEST, RESPONSE):
-               """Download this item.
-               
-               Calls OFS.Image.File.index_html to perform the actual transfer after
-               first setting Content-Disposition to suggest a filename.
-               
-               This method is deprecated, use the URL of this object itself. Because
-               the default view of a File object is to download, rather than view,
-               this method is obsolete. Also note that certain browsers do not deal
-               well with a Content-Disposition header.
-
-               """
-
-               RESPONSE.setHeader('Content-Disposition',
-                                                  'attachment; filename=%s' % (self.orig_name or self.getId()))
-               return OFS.Image.File.index_html(self, REQUEST, RESPONSE)
-       
-       security.declarePublic('getIcon')
-       def getIcon(self, relative_to_portal=0):
-               """ return icon corresponding to mime-type
-               """
-               regTool = getToolByName(self, 'mimetypes_registry', default=None)
-               if regTool :
-                       mime = regTool(str(self.data), mimetype=self.content_type)[2]
-                       return mime.icon_path
-               else :
-                       return BaseFile.getIcon(self, relative_to_portal=relative_to_portal)
+class File(BlobFile, CMFFile) :
+    """ file class with portal_transforms support """
+    
+    security = ClassSecurityInfo()
+    
+    _properties = CMFFile._properties + ({'id':'orig_name', 'type':'string', 'mode':'w', 'label':"Original Name"},)
+    orig_name = ''
+
+    def __init__( self
+                , id
+                , title=''
+                , file=''
+                , content_type=''
+                , precondition=''
+                , subject=()
+                , description=''
+                , contributors=()
+                , effective_date=None
+                , expiration_date=None
+                , format=None
+                , language='en-US'
+                , rights=''
+                ):
+        self._setId(id)
+        if format is None:
+            format = self.content_type or 'application/octet-stream'
+        
+        DefaultDublinCoreImpl.__init__( self, title, subject, description
+                               , contributors, effective_date, expiration_date
+                               , format, language, rights )
+        BlobFile.__init__(self, id, title, file, content_type=content_type, precondition=precondition)
+
+
+    def __getattr__(self, name) :
+        try : return CMFFile.__getattr__(self, name)
+        except :
+            selfAttrs = self.__dict__
+            if selfAttrs.has_key('_v_transform_cache') :
+                cache = selfAttrs['_v_transform_cache']
+                cacheTuple = cache.get('text_html', None) # (time, value)
+                if cacheTuple :
+                    cacheData = cacheTuple[1]
+                
+                    subObDict = cacheData.getSubObjects()
+                    if subObDict.has_key(name) :
+                        fileOb = OFS.Image.File(name, name, subObDict[name])
+                        return fileOb
+                
+            raise AttributeError, name
+    
+    def manage_upload(self,file='',REQUEST=None):
+        ret = super(File, self).manage_upload(file=file, REQUEST=REQUEST)
+
+        orig_name = OFS.Image.cookId('', '', file)[0]
+        if orig_name :
+            self.orig_name = orig_name
+
+        if self.Format() == 'application/x-shockwave-flash' :
+            if file :
+                try :
+                    swfmetadata = parseswf(file)
+                except IOError :
+                    swfmetadata = {'width':600, 'height':600}
+
+            for name in ('width', 'height') :
+                value = swfmetadata[name]
+                if self.hasProperty(name) :
+                    self._updateProperty(name, value)
+                else :
+                    self.manage_addProperty(name, value, 'int')
+        self.reindexObject()
+        return ret
+        
+        
+    
+    security.declareProtected(ModifyPortalContent, 'edit')
+    def edit(self, precondition='', file=''):
+        orig_name = OFS.Image.cookId('', '', file)[0]
+        if orig_name :
+            self.orig_name = orig_name
+        CMFFile.edit(self, precondition=precondition, file=file)
+        if hasattr(self, '_v_transform_cache') :
+            del self._v_transform_cache
+    
+    
+    security.declareProtected(View, 'SearchableText')
+    def SearchableText(self) :
+        """ Return full text"""
+        baseSearchableText = CMFFile.SearchableText(self)
+        transformTool = getToolByName(self, 'portal_transforms', default=None)
+        if transformTool is None :
+            return baseSearchableText
+        else :
+            f = self.bdata.open()
+            orig = f.read()
+            datastream_text =  transformTool.convertTo('text/plain',
+                                                        orig,
+                                                        mimetype = self.content_type
+                                                        )
+            f.close()
+            full_text = ''
+            if datastream_text is not None :
+                full_text = datastream_text.getData()
+            
+            return baseSearchableText + full_text
+            
+    security.declareProtected(View, 'preview')
+    def preview(self) :
+        """Return HTML preview if it's possible or empty string """
+        transformTool = getToolByName(self, 'portal_transforms', default = None)
+        if transformTool is None :
+            return ''
+        else :
+            filename = self.getId().replace(' ', '_')
+            f = self.bdata.open()
+            orig = f.read()
+            datastream = transformTool.convertTo('text/html',
+                                                orig,
+                                                object=self,
+                                                mimetype = self.content_type,
+                                                filename = filename)
+            f.close()
+            if datastream is not None : return datastream.getData()
+            else : return ''
+
+    security.declareProtected(View, 'download')
+    def download(self, REQUEST, RESPONSE):
+        """Download this item.
+        
+        Calls OFS.Image.File.index_html to perform the actual transfer after
+        first setting Content-Disposition to suggest a filename.
+        
+        This method is deprecated, use the URL of this object itself. Because
+        the default view of a File object is to download, rather than view,
+        this method is obsolete. Also note that certain browsers do not deal
+        well with a Content-Disposition header.
+
+        """
+
+        RESPONSE.setHeader('Content-Disposition',
+                           'attachment; filename=%s' % (self.orig_name or self.getId()))
+        return OFS.Image.File.index_html(self, REQUEST, RESPONSE)
+    
+    security.declarePublic('getIcon')
+    def getIcon(self, relative_to_portal=0):
+        """ return icon corresponding to mime-type
+        """
+        regTool = getToolByName(self, 'mimetypes_registry', default=None)
+        if regTool :
+            f = self.bdata.open()
+            mime = regTool(f, mimetype=self.content_type)[2]
+            f.close()
+            return mime.icon_path
+        else :
+            return CMFFile.getIcon(self, relative_to_portal=relative_to_portal)
 
 
 InitializeClass(File)
 
 
 InitializeClass(File)
@@ -167,41 +199,41 @@ FileFactory = Factory(File)
 
 
 def addFile( dispatcher
 
 
 def addFile( dispatcher
-                        , id
-                        , title=''
-                        , file=''
-                        , content_type=''
-                        , precondition=''
-                        , subject=()
-                        , description=''
-                        , contributors=()
-                        , effective_date=None
-                        , expiration_date=None
-                        , format='text/html'
-                        , language=''
-                        , rights=''
-                        ):
-       """
-       Add a File
-       """
-
-       # cookId sets the id and title if they are not explicity specified
-       id, title = OFS.Image.cookId(id, title, file)
-
-       container = dispatcher.Destination()
-
-       # Instantiate the object and set its description.
-       fobj = File( id, title=title, file='', content_type=content_type,
-                                precondition=precondition, subject=subject, description=description,
-                                contributors=contributors, effective_date=effective_date,
-                                expiration_date=expiration_date, format=format,
-                                language=language, rights=rights
-                                 )
-       
-       # Add the File instance to self
-       container._setObject(id, fobj)
-
-       # 'Upload' the file.  This is done now rather than in the
-       # constructor because the object is now in the ZODB and
-       # can span ZODB objects.
-       container._getOb(id).manage_upload(file)
\ No newline at end of file
+             , id
+             , title=''
+             , file=''
+             , content_type=''
+             , precondition=''
+             , subject=()
+             , description=''
+             , contributors=()
+             , effective_date=None
+             , expiration_date=None
+             , format='text/html'
+             , language=''
+             , rights=''
+             ):
+    """
+    Add a File
+    """
+
+    # cookId sets the id and title if they are not explicity specified
+    id, title = OFS.Image.cookId(id, title, file)
+
+    container = dispatcher.Destination()
+
+    # Instantiate the object and set its description.
+    fobj = File( id, title=title, file='', content_type=content_type,
+                 precondition=precondition, subject=subject, description=description,
+                 contributors=contributors, effective_date=effective_date,
+                 expiration_date=expiration_date, format=format,
+                 language=language, rights=rights
+                  )
+    
+    # Add the File instance to self
+    container._setObject(id, fobj)
+
+    # 'Upload' the file.  This is done now rather than in the
+    # constructor because the object is now in the ZODB and
+    # can span ZODB objects.
+    container._getOb(id).manage_upload(file)
\ No newline at end of file